Format sattools C code with GNU indent...

src/addwcs.c

@@ -13,7 +13,8 @@
 #define D2R M_PI/180.0
 #define R2D 180.0/M_PI
 
-struct image {
+struct image
+{
   int naxis, naxis1, naxis2, nframes;
   float *zavg, *zstd, *zmax, *znum;
   double ra0, de0;
@@ -22,19 +23,22 @@ struct image {
   double mjd;
   float *dt;
 };
-struct transformation {
+struct transformation
+{
   double mjd;
   double ra0, de0;
   float a[3], b[3];
   float x0, y0;
   float xrms, yrms, rms;
 };
-struct star {
+struct star
+{
   double ra, de;
   float pmra, pmde;
   float mag;
 };
-struct catalog {
+struct catalog
+{
   int n;
   float x[NMAX], y[NMAX], imag[NMAX], fm[NMAX], fb[NMAX], bg[NMAX];
   double ra[NMAX], de[NMAX], vmag[NMAX];
@@ -43,20 +47,28 @@ struct catalog {
   int usage[NMAX];
 };
 struct image read_fits (char *filename);
-void forward(double ra0,double de0,double ra,double de,double *x,double *y);
+void forward (double ra0, double de0, double ra, double de, double *x,
-void reverse(double ra0,double de0,double x,double y,double *ra,double *de);
+	      double *y);
+void reverse (double ra0, double de0, double x, double y, double *ra,
+	      double *de);
 double gmst (double mjd);
 double modulo (double x, double y);
 int fgetline (FILE * file, char *s, int lim);
-struct catalog match_catalogs(char *pixcat,char *astcat,struct transformation t,struct image img,float rmax,float mmin);
+struct catalog match_catalogs (char *pixcat, char *astcat,
-void plot_astrometric_catalog(struct transformation t,struct image img,float mmin);
+			       struct transformation t, struct image img,
+			       float rmax, float mmin);
+void plot_astrometric_catalog (struct transformation t, struct image img,
+			       float mmin);
 void plot_pixel_catalog (char *filename);
 void lfit2d (float *x, float *y, float *z, int n, float *a);
 void add_fits_keywords (struct transformation t, char *filename);
 void modify_fits_keywords (struct transformation t, char *filename);
-void precess(double mjd0,double ra0,double de0,double mjd,double *ra,double *de);
+void precess (double mjd0, double ra0, double de0, double mjd, double *ra,
+	      double *de);
 
-void plot_image(struct image img,struct transformation t,struct catalog c,char *filename,float mmin)
+void
+plot_image (struct image img, struct transformation t, struct catalog c,
+	    char *filename, float mmin)
 {
   int i;
   float tr[] = { -0.5, 1.0, 0.0, -0.5, 0.0, 1.0 };
@@ -79,7 +91,8 @@ void plot_image(struct image img,struct transformation t,struct catalog c,char *
   cpgwnad (0.0, img.naxis1, 0.0, img.naxis2);
   cpgctab (heat_l, heat_r, heat_g, heat_b, 5, 1.0, 0.5);
 
-  cpgimag(img.zavg,img.naxis1,img.naxis2,1,img.naxis1,1,img.naxis2,zmin,zmax,tr);
+  cpgimag (img.zavg, img.naxis1, img.naxis2, 1, img.naxis1, 1, img.naxis2,
+	   zmin, zmax, tr);
   cpgbox ("BCTSNI", 0., 0, "BCTSNI", 0., 0);
 
   cpgsci (3);
@@ -96,24 +109,32 @@ void plot_image(struct image img,struct transformation t,struct catalog c,char *
   return;
 }
 
-void usage(float mmin,float rmin)
+void
+usage (float mmin, float rmin)
 {
   printf ("addwcs: Add/fit World Coordinate System to a FITS file\n\n");
 
   printf ("-f <file>:    FITS file to add/fit WCS to [required]\n");
   printf ("-r <file>:    FITS file with reference WCS [required]\n");
-  printf("-m <float>:   Magnitude cut-off in Tycho-2 catalog [optional; default %.1f]\n",mmin);
+  printf
-  printf("-R <float>:   Radius cut-off for matching [optional; default %.1f pix]\n",rmin);
+    ("-m <float>:   Magnitude cut-off in Tycho-2 catalog [optional; default %.1f]\n",
+     mmin);
+  printf
+    ("-R <float>:   Radius cut-off for matching [optional; default %.1f pix]\n",
+     rmin);
   printf ("-p            Plot image and selected stars [optional]\n");
-  printf("-a            Add WCS keywords to input file (instead of modify) [optional]\n");
+  printf
-  printf("-t            Track on a fixed RA/Dec (correct for field rotation)\n");
+    ("-a            Add WCS keywords to input file (instead of modify) [optional]\n");
+  printf
+    ("-t            Track on a fixed RA/Dec (correct for field rotation)\n");
   printf ("-h            Print this help\n");
 
   return;
 }
 
 // Get reference transformation
-struct transformation reference(char *filename)
+struct transformation
+reference (char *filename)
 {
   struct transformation t;
 
@@ -132,7 +153,8 @@ struct transformation reference(char *filename)
   return t;
 }
 
-void rotate(float theta,float *x,float *y)
+void
+rotate (float theta, float *x, float *y)
 {
   float ct, st;
   float x0, y0;
@@ -148,7 +170,8 @@ void rotate(float theta,float *x,float *y)
   return;
 }
 
-int main(int argc,char *argv[])
+int
+main (int argc, char *argv[])
 {
   int i, j, k, l, m;
   struct transformation t;
@@ -169,9 +192,12 @@ int main(int argc,char *argv[])
   sprintf (starfile, "%s/data/tycho2.dat", env);
 
   // Decode options
-  if (argc>1) {
+  if (argc > 1)
-    while ((arg=getopt(argc,argv,"f:r:m:R:hpnta"))!=-1) {
+    {
-      switch (arg) {
+      while ((arg = getopt (argc, argv, "f:r:m:R:hpnta")) != -1)
+	{
+	  switch (arg)
+	    {
 
 	    case 'f':
 	      fitsfile = optarg;
@@ -210,25 +236,30 @@ int main(int argc,char *argv[])
 	      return 0;
 	    }
 	}
-  } else {
+    }
+  else
+    {
       usage (mmin, rmin);
       return 0;
     }
 
   // Check if minimum input is provided
-  if (fitsfile==NULL || reffile==NULL) {
+  if (fitsfile == NULL || reffile == NULL)
+    {
       usage (mmin, rmin);
       return 0;
     }
 
   // Check this is indeed a FITS file 
-  if (is_fits_file(fitsfile)!=1) {
+  if (is_fits_file (fitsfile) != 1)
+    {
       printf ("%s is not a FITS file\n", fitsfile);
       return -1;
     }
 
   // Check this is indeed a FITS file 
-  if (is_fits_file(reffile)!=1) {
+  if (is_fits_file (reffile) != 1)
+    {
       printf ("%s is not a FITS file\n", reffile);
       return -1;
     }
@@ -242,7 +273,8 @@ int main(int argc,char *argv[])
   t = reference (reffile);
 
   // Correct astrometry for fixed or tracked setup
-  if (track==0) {
+  if (track == 0)
+    {
       precess (mjd0, t.ra0, t.de0, t.mjd, &ra1, &de1);
       ra1 = modulo (ra1 + gmst (img.mjd) - gmst (t.mjd), 360.0);
       precess (img.mjd, ra1, de1, mjd0, &t.ra0, &t.de0);
@@ -257,16 +289,21 @@ int main(int argc,char *argv[])
     plot_image (img, t, c, catfile, mmin);
 
   // Do fit
-  if (c.n>10) {
+  if (c.n > 10)
-    for (l=0;l<10;l++) {
+    {
-      for (j=0;j<5;j++) {
+      for (l = 0; l < 10; l++)
+	{
+	  for (j = 0; j < 5; j++)
+	    {
 	      // Transform
 	      for (i = 0; i < c.n; i++)
 		forward (t.ra0, t.de0, c.ra[i], c.de[i], &c.rx[i], &c.ry[i]);
 
 	      // Select
-	for (i=0,k=0;i<c.n;i++) {
+	      for (i = 0, k = 0; i < c.n; i++)
-	  if (c.usage[i]==1) {
+		{
+		  if (c.usage[i] == 1)
+		    {
 		      x[k] = c.x[i];
 		      y[k] = c.y[i];
 		      rx[k] = (float) c.rx[i];
@@ -285,12 +322,17 @@ int main(int argc,char *argv[])
 	    }
 
 	  // Compute and plot residuals
-      for (i=0,t.xrms=0.0,t.yrms=0.0,m=0;i<c.n;i++) {
+	  for (i = 0, t.xrms = 0.0, t.yrms = 0.0, m = 0; i < c.n; i++)
-	if (c.usage[i]==1) {
+	    {
-	  c.xres[i]=c.rx[i]-(t.a[0]+t.a[1]*c.x[i]+t.a[2]*c.y[i]);
+	      if (c.usage[i] == 1)
-	  c.yres[i]=c.ry[i]-(t.b[0]+t.b[1]*c.x[i]+t.b[2]*c.y[i]);
+		{
+		  c.xres[i] =
+		    c.rx[i] - (t.a[0] + t.a[1] * c.x[i] + t.a[2] * c.y[i]);
+		  c.yres[i] =
+		    c.ry[i] - (t.b[0] + t.b[1] * c.x[i] + t.b[2] * c.y[i]);
 
-	  c.res[i]=sqrt(c.xres[i]*c.xres[i]+c.yres[i]*c.yres[i]);
+		  c.res[i] =
+		    sqrt (c.xres[i] * c.xres[i] + c.yres[i] * c.yres[i]);
 		  t.xrms += c.xres[i] * c.xres[i];
 		  t.yrms += c.yres[i] * c.yres[i];
 		  t.rms += c.xres[i] * c.xres[i] + c.yres[i] * c.yres[i];
@@ -302,12 +344,15 @@ int main(int argc,char *argv[])
 	  t.rms = sqrt (t.rms / (float) m);
 
 	  // Deselect outliers
-      for (i=0;i<c.n;i++) {
+	  for (i = 0; i < c.n; i++)
+	    {
 	      if (c.res[i] > 2 * t.rms)
 		c.usage[i] = 0;
 	    }
 	}
-  } else {
+    }
+  else
+    {
       t.xrms = 0.0;
       t.yrms = 0.0;
       t.rms = 0.0;
@@ -317,7 +362,10 @@ int main(int argc,char *argv[])
   outfile = fopen (calfile, "w");
   for (i = 0; i < c.n; i++)
     if (c.usage[i] == 1)
-      fprintf(outfile,"%10.4f %10.4f %10.6f %10.6f %8.3f %8.3f %8.3f %8.3f %8.3f\n",c.x[i],c.y[i],c.ra[i],c.de[i],c.vmag[i],c.imag[i],c.fb[i],c.fm[i],c.bg[i]);
+      fprintf (outfile,
+	       "%10.4f %10.4f %10.6f %10.6f %8.3f %8.3f %8.3f %8.3f %8.3f\n",
+	       c.x[i], c.y[i], c.ra[i], c.de[i], c.vmag[i], c.imag[i],
+	       c.fb[i], c.fm[i], c.bg[i]);
   fclose (outfile);
 
   printf ("%s %8.4lf %8.4lf ", fitsfile, t.ra0, t.de0);
@@ -333,7 +381,8 @@ int main(int argc,char *argv[])
 }
 
 // Read fits image
-struct image read_fits(char *filename)
+struct image
+read_fits (char *filename)
 {
   int i, j, k, l, m;
   qfitsloader ql;
@@ -354,13 +403,15 @@ struct image read_fits(char *filename)
   ql.ptype = PTYPE_FLOAT;
   ql.filename = filename;
 
-  if (img.naxis==3) {
+  if (img.naxis == 3)
+    {
       // Number of frames
       img.nframes = atoi (qfits_query_hdr (filename, "NFRAMES"));
 
       // Timestamps
       img.dt = (float *) malloc (sizeof (float) * img.nframes);
-    for (i=0;i<img.nframes;i++) {
+      for (i = 0; i < img.nframes; i++)
+	{
 	  sprintf (key, "DT%04d", i);
 	  strcpy (val, qfits_query_hdr (filename, key));
 	  sscanf (val + 1, "%f", &img.dt[i]);
@@ -375,7 +426,8 @@ struct image read_fits(char *filename)
 
 
       // Loop over planes
-    for (k=0;k<4;k++) {
+      for (k = 0; k < 4; k++)
+	{
 	  ql.pnum = k;;
 
 	  // Initialize load
@@ -387,17 +439,25 @@ struct image read_fits(char *filename)
 	    printf ("Error loading actual data\n");
 
 	  // Fill z array
-      for (i=0,l=0;i<img.naxis1;i++) {
+	  for (i = 0, l = 0; i < img.naxis1; i++)
-	for (j=0;j<img.naxis2;j++) {
+	    {
-	  if (k==0) img.zavg[l]=ql.fbuf[l];
+	      for (j = 0; j < img.naxis2; j++)
-	  if (k==1) img.zstd[l]=ql.fbuf[l];
+		{
-	  if (k==2) img.zmax[l]=ql.fbuf[l];
+		  if (k == 0)
-	  if (k==3) img.znum[l]=ql.fbuf[l];
+		    img.zavg[l] = ql.fbuf[l];
+		  if (k == 1)
+		    img.zstd[l] = ql.fbuf[l];
+		  if (k == 2)
+		    img.zmax[l] = ql.fbuf[l];
+		  if (k == 3)
+		    img.znum[l] = ql.fbuf[l];
 		  l++;
 		}
 	    }
 	}
-  } else {
+    }
+  else
+    {
       // Allocate image memory
       img.zavg = (float *) malloc (sizeof (float) * img.naxis1 * img.naxis2);
 
@@ -412,8 +472,10 @@ struct image read_fits(char *filename)
 	printf ("Error loading actual data\n");
 
       // Fill z array
-    for (i=0,l=0;i<img.naxis1;i++) {
+      for (i = 0, l = 0; i < img.naxis1; i++)
-      for (j=0;j<img.naxis2;j++) {
+	{
+	  for (j = 0; j < img.naxis2; j++)
+	    {
 	      img.zavg[l] = ql.fbuf[l];
 	      l++;
 	    }
@@ -425,28 +487,34 @@ struct image read_fits(char *filename)
 
 
 // Greenwich Mean Sidereal Time
-double gmst(double mjd)
+double
+gmst (double mjd)
 {
   double t, gmst;
 
   t = (mjd - 51544.5) / 36525.0;
 
-  gmst=modulo(280.46061837+360.98564736629*(mjd-51544.5)+t*t*(0.000387933-t/38710000),360.0);
+  gmst =
+    modulo (280.46061837 + 360.98564736629 * (mjd - 51544.5) +
+	    t * t * (0.000387933 - t / 38710000), 360.0);
 
   return gmst;
 }
 
 // Return x modulo y [0,y)
-double modulo(double x,double y)
+double
+modulo (double x, double y)
 {
   x = fmod (x, y);
-  if (x<0.0) x+=y;
+  if (x < 0.0)
+    x += y;
 
   return x;
 }
 
 // Read a line of maximum length int lim from file FILE into string s
-int fgetline(FILE *file,char *s,int lim)
+int
+fgetline (FILE * file, char *s, int lim)
 {
   int c, i = 0;
 
@@ -459,7 +527,9 @@ int fgetline(FILE *file,char *s,int lim)
 }
 
 // Match catalogs
-struct catalog match_catalogs(char *pixcat,char *astcat,struct transformation t,struct image img,float rmax,float mmin)
+struct catalog
+match_catalogs (char *pixcat, char *astcat, struct transformation t,
+		struct image img, float rmax, float mmin)
 {
   int i = 0, imin, j, k, np;
   FILE *file;
@@ -473,14 +543,17 @@ struct catalog match_catalogs(char *pixcat,char *astcat,struct transformation t,
 
   // Read pixel catalog
   file = fopen (pixcat, "r");
-  if (file==NULL) {
+  if (file == NULL)
+    {
       printf ("pixel catalog not found\n");
       exit (-1);
     }
-  while (fgetline(file,line,LIM)>0) {
+  while (fgetline (file, line, LIM) > 0)
+    {
       if (strstr (line, "#") != NULL)
 	continue;
-    sscanf(line,"%f %f %f %f %f %f",&xp[i],&yp[i],&mp[i],&fb[i],&fm[i],&bg[i]);
+      sscanf (line, "%f %f %f %f %f %f", &xp[i], &yp[i], &mp[i], &fb[i],
+	      &fm[i], &bg[i]);
       usage[i] = 1;
       i++;
     }
@@ -492,16 +565,21 @@ struct catalog match_catalogs(char *pixcat,char *astcat,struct transformation t,
 
   // Read astrometric catalog
   file = fopen (astcat, "rb");
-  if (file==NULL) {
+  if (file == NULL)
+    {
       printf ("astrometric catalog not found\n");
       exit (-1);
     }
   j = 0;
-  while (!feof(file)) {
+  while (!feof (file))
+    {
       fread (&s, sizeof (struct star), 1, file);
       if (s.mag > mmin)
 	continue;
-    r=acos(sin(t.de0*D2R)*sin(s.de*D2R)+cos(t.de0*D2R)*cos(s.de*D2R)*cos((t.ra0-s.ra)*D2R))*R2D;
+      r =
+	acos (sin (t.de0 * D2R) * sin (s.de * D2R) +
+	      cos (t.de0 * D2R) * cos (s.de * D2R) * cos ((t.ra0 - s.ra) *
+							  D2R)) * R2D;
       if (r > 90.0)
 	continue;
       forward (t.ra0, t.de0, s.ra, s.de, &rx, &ry);
@@ -512,18 +590,22 @@ struct catalog match_catalogs(char *pixcat,char *astcat,struct transformation t,
       y = (t.a[1] * dy - t.b[1] * dx) / d + t.y0;
 
       // On image
-    if (x>0.0 && x<img.naxis1 && y>0.0 && y<img.naxis2) {
+      if (x > 0.0 && x < img.naxis1 && y > 0.0 && y < img.naxis2)
+	{
 	  // Loop over pixel catalog
-      for (i=0;i<np;i++) {
+	  for (i = 0; i < np; i++)
+	    {
 	      r = sqrt (pow (xp[i] - x, 2) + pow (yp[i] - y, 2));
-	if (i==0 || r<rmin) {
+	      if (i == 0 || r < rmin)
+		{
 		  rmin = r;
 		  imin = i;
 		}
 	    }
 
 	  // Select
-      if (rmin<rmax && usage[imin]==1) {
+	  if (rmin < rmax && usage[imin] == 1)
+	    {
 	      c.x[j] = xp[imin] - t.x0;
 	      c.y[j] = yp[imin] - t.y0;
 	      c.imag[j] = mp[imin];
@@ -546,7 +628,9 @@ struct catalog match_catalogs(char *pixcat,char *astcat,struct transformation t,
 }
 
 // Plot astrometric catalog
-void plot_astrometric_catalog(struct transformation t,struct image img,float mmin)
+void
+plot_astrometric_catalog (struct transformation t, struct image img,
+			  float mmin)
 {
   int i = 0;
   FILE *file;
@@ -563,11 +647,15 @@ void plot_astrometric_catalog(struct transformation t,struct image img,float mmi
   d = t.a[1] * t.b[2] - t.a[2] * t.b[1];
 
   file = fopen (starfile, "rb");
-  while (!feof(file)) {
+  while (!feof (file))
+    {
       fread (&s, sizeof (struct star), 1, file);
       if (s.mag > mmin)
 	continue;
-    r=acos(sin(t.de0*D2R)*sin(s.de*D2R)+cos(t.de0*D2R)*cos(s.de*D2R)*cos((t.ra0-s.ra)*D2R))*R2D;
+      r =
+	acos (sin (t.de0 * D2R) * sin (s.de * D2R) +
+	      cos (t.de0 * D2R) * cos (s.de * D2R) * cos ((t.ra0 - s.ra) *
+							  D2R)) * R2D;
       if (r > 90.0)
 	continue;
       forward (t.ra0, t.de0, s.ra, s.de, &rx, &ry);
@@ -582,7 +670,8 @@ void plot_astrometric_catalog(struct transformation t,struct image img,float mmi
 }
 
 // Plot pixel catalog
-void plot_pixel_catalog(char *filename)
+void
+plot_pixel_catalog (char *filename)
 {
   int i = 0;
   FILE *file;
@@ -591,7 +680,8 @@ void plot_pixel_catalog(char *filename)
 
   // Read catalog
   file = fopen (filename, "r");
-  while (fgetline(file,line,LIM)>0) {
+  while (fgetline (file, line, LIM) > 0)
+    {
       if (strstr (line, "#") != NULL)
 	continue;
       sscanf (line, "%f %f %f", &x, &y, &mag);
@@ -606,7 +696,8 @@ void plot_pixel_catalog(char *filename)
 }
 
 // Linear 2D fit
-void lfit2d(float *x,float *y,float *z,int n,float *a)
+void
+lfit2d (float *x, float *y, float *z, int n, float *a)
 {
   int i, j, m;
   double chisq;
@@ -621,7 +712,8 @@ void lfit2d(float *x,float *y,float *z,int n,float *a)
   cov = gsl_matrix_alloc (3, 3);
 
   // Fill matrices
-  for(i=0;i<n;i++) {
+  for (i = 0; i < n; i++)
+    {
       gsl_matrix_set (X, i, 0, 1.0);
       gsl_matrix_set (X, i, 1, x[i]);
       gsl_matrix_set (X, i, 2, y[i]);
@@ -649,7 +741,8 @@ void lfit2d(float *x,float *y,float *z,int n,float *a)
 }
 
 // Add FITS keywords
-void add_fits_keywords(struct transformation t,char *filename) 
+void
+add_fits_keywords (struct transformation t, char *filename)
 {
   int i, j, k, l, m;
   int naxis1, naxis2, naxis3;
@@ -675,7 +768,8 @@ void add_fits_keywords(struct transformation t,char *filename)
   ql.xtnum = 0;
   ql.ptype = PTYPE_FLOAT;
   ql.filename = filename;
-  for (k=0,l=0;k<naxis3;k++) {
+  for (k = 0, l = 0; k < naxis3; k++)
+    {
       ql.pnum = k;
       // Initialize load
       if (qfitsloader_init (&ql) != 0)
@@ -685,8 +779,10 @@ void add_fits_keywords(struct transformation t,char *filename)
       if (qfits_loadpix (&ql) != 0)
 	printf ("Error loading actual data\n");
 
-    for (i=0,m=0;i<naxis1;i++) {
+      for (i = 0, m = 0; i < naxis1; i++)
-      for (j=0;j<naxis2;j++) {
+	{
+	  for (j = 0; j < naxis2; j++)
+	    {
 	      fbuf[l] = ql.fbuf[m];
 	      l++;
 	      m++;
@@ -738,7 +834,8 @@ void add_fits_keywords(struct transformation t,char *filename)
 }
 
 // Modify FITS keywords
-void modify_fits_keywords(struct transformation t,char *filename) 
+void
+modify_fits_keywords (struct transformation t, char *filename)
 {
   char card[FITS_LINESZ + 1];
   char key[FITS_LINESZ + 1];
@@ -790,7 +887,9 @@ void modify_fits_keywords(struct transformation t,char *filename)
 }
 
 // Precess a celestial position
-void precess(double mjd0,double ra0,double de0,double mjd,double *ra,double *de)
+void
+precess (double mjd0, double ra0, double de0, double mjd, double *ra,
+	 double *de)
 {
   double t0, t;
   double zeta, z, theta;

src/allnight.c

@@ -11,7 +11,8 @@
 #define R2D 180.0/M_PI
 #define XKMPAU 149597879.691	// AU in km
 
-struct map {
+struct map
+{
   int site_id;
   double mjd;
   float saltmin, alt;
@@ -31,7 +32,8 @@ void get_site(int site_id);
 double date2mjd (int year, int month, double day);
 void usage (void);
 
-int main(int argc,char *argv[])
+int
+main (int argc, char *argv[])
 {
   int arg = 0;
   char *env;
@@ -47,15 +49,21 @@ int main(int argc,char *argv[])
 
   // Get default site
   env = getenv ("ST_DATADIR");
-  if (env!=NULL) {
+  if (env != NULL)
+    {
       strcpy (m.datadir, env);
-  } else {
+    }
+  else
+    {
       printf ("ST_DATADIR environment variable not found.\n");
     }
   env = getenv ("ST_COSPAR");
-  if (env!=NULL) {
+  if (env != NULL)
+    {
       get_site (atoi (env));
-  } else {
+    }
+  else
+    {
       printf ("ST_COSPAR environment variable not found.\n");
     }
 
@@ -64,8 +72,10 @@ int main(int argc,char *argv[])
   m.mjd = nfd2mjd (m.nfd);
 
   // Decode options
-  while ((arg=getopt(argc,argv,"t:s:S:h"))!=-1) {
+  while ((arg = getopt (argc, argv, "t:s:S:h")) != -1)
-    switch (arg) {
+    {
+      switch (arg)
+	{
 
 	case 't':
 	  strcpy (m.nfd, optarg);
@@ -98,7 +108,8 @@ int main(int argc,char *argv[])
 }
 
 // Usage
-void usage(void)
+void
+usage (void)
 {
   printf ("allnight t:s:S:\n\n");
   printf ("t    date/time (yyyy-mm-ddThh:mm:ss.sss) [default: now]\n");
@@ -109,29 +120,40 @@ void usage(void)
 }
 
 // Convert equatorial into horizontal coordinates
-void equatorial2horizontal(double mjd,double ra,double de,double *azi,double *alt)
+void
+equatorial2horizontal (double mjd, double ra, double de, double *azi,
+		       double *alt)
 {
   double h;
 
   h = gmst (mjd) + m.lng - ra;
 
-  *azi=modulo(atan2(sin(h*D2R),cos(h*D2R)*sin(m.lat*D2R)-tan(de*D2R)*cos(m.lat*D2R))*R2D,360.0);
+  *azi =
-  *alt=asin(sin(m.lat*D2R)*sin(de*D2R)+cos(m.lat*D2R)*cos(de*D2R)*cos(h*D2R))*R2D;
+    modulo (atan2
+	    (sin (h * D2R),
+	     cos (h * D2R) * sin (m.lat * D2R) -
+	     tan (de * D2R) * cos (m.lat * D2R)) * R2D, 360.0);
+  *alt =
+    asin (sin (m.lat * D2R) * sin (de * D2R) +
+	  cos (m.lat * D2R) * cos (de * D2R) * cos (h * D2R)) * R2D;
 
   return;
 }
 
 // Return x modulo y [0,y)
-double modulo(double x,double y)
+double
+modulo (double x, double y)
 {
   x = fmod (x, y);
-  if (x<0.0) x+=y;
+  if (x < 0.0)
+    x += y;
 
   return x;
 }
 
 // Solar position
-void sunpos_xyz(double mjd,xyz_t *pos,double *ra,double *de)
+void
+sunpos_xyz (double mjd, xyz_t * pos, double *ra, double *de)
 {
   double jd, t, l0, m, e, c, r;
   double n, s, ecl;
@@ -148,7 +170,10 @@ void sunpos_xyz(double mjd,xyz_t *pos,double *ra,double *de)
   r = 1.000001018 * (1.0 - e * e) / (1.0 + e * cos (m + c));
   n = modulo (125.04 - 1934.136 * t, 360.0) * D2R;
   s = l0 + c + (-0.00569 - 0.00478 * sin (n)) * D2R;
-  ecl=(23.43929111+(-46.8150*t-0.00059*t*t+0.001813*t*t*t)/3600.0+0.00256*cos(n))*D2R;
+  ecl =
+    (23.43929111 +
+     (-46.8150 * t - 0.00059 * t * t + 0.001813 * t * t * t) / 3600.0 +
+     0.00256 * cos (n)) * D2R;
 
   *ra = atan2 (cos (ecl) * sin (s), cos (s)) * R2D;
   *de = asin (sin (ecl) * sin (s)) * R2D;
@@ -160,7 +185,8 @@ void sunpos_xyz(double mjd,xyz_t *pos,double *ra,double *de)
   return;
 }
 
-void allnight(void)
+void
+allnight (void)
 {
   int flag;
   xyz_t sunpos;
@@ -173,12 +199,15 @@ void allnight(void)
   equatorial2horizontal (m.mjd, ra, de, &azi, &alt);
 
   // Sun below limit, find rise, then set
-  if (alt<m.saltmin) {
+  if (alt < m.saltmin)
-    for (flag=0,mjd=m.mjd;mjd<m.mjd+0.5;mjd+=1.0/86400) {
+    {
+      for (flag = 0, mjd = m.mjd; mjd < m.mjd + 0.5; mjd += 1.0 / 86400)
+	{
 	  sunpos_xyz (mjd, &sunpos, &ra, &de);
 	  equatorial2horizontal (mjd, ra, de, &azi, &alt);
 
-      if (flag!=0) {
+	  if (flag != 0)
+	    {
 	      if (alt > m.saltmin && alt0 <= m.saltmin)
 		mjdrise = mjd;
 	    }
@@ -188,11 +217,13 @@ void allnight(void)
 
 	  alt0 = alt;
 	}
-    for (flag=0,mjd=m.mjd-0.5;mjd<m.mjd;mjd+=1.0/86400) {
+      for (flag = 0, mjd = m.mjd - 0.5; mjd < m.mjd; mjd += 1.0 / 86400)
+	{
 	  sunpos_xyz (mjd, &sunpos, &ra, &de);
 	  equatorial2horizontal (mjd, ra, de, &azi, &alt);
 
-      if (flag!=0) {
+	  if (flag != 0)
+	    {
 	      if (alt < m.saltmin && alt0 >= m.saltmin)
 		mjdset = mjd;
 	    }
@@ -203,12 +234,16 @@ void allnight(void)
 	  alt0 = alt;
 	}
       // Sun above limit, find set, and rise
-  } else {
+    }
-    for (flag=0,mjd=m.mjd;mjd<m.mjd+1.0;mjd+=1.0/86400) {
+  else
+    {
+      for (flag = 0, mjd = m.mjd; mjd < m.mjd + 1.0; mjd += 1.0 / 86400)
+	{
 	  sunpos_xyz (mjd, &sunpos, &ra, &de);
 	  equatorial2horizontal (mjd, ra, de, &azi, &alt);
 
-      if (flag!=0) {
+	  if (flag != 0)
+	    {
 	      if (alt > m.saltmin && alt0 <= m.saltmin)
 		mjdrise = mjd;
 	      if (alt < m.saltmin && alt0 >= m.saltmin)
@@ -231,7 +266,8 @@ void allnight(void)
 }
 
 // Compute Date from Julian Day
-void mjd2date(double mjd,char *date)
+void
+mjd2date (double mjd, char *date)
 {
   double f, jd, dday;
   int z, alpha, a, b, c, d, e;
@@ -246,7 +282,8 @@ void mjd2date(double mjd,char *date)
 
   if (z < 2299161)
     a = z;
-  else {
+  else
+    {
       alpha = floor ((z - 1867216.25) / 36524.25);
       a = z + 1 + alpha - floor (alpha / 4.);
     }
@@ -276,25 +313,30 @@ void mjd2date(double mjd,char *date)
   hour = x;
   sec = floor (1000.0 * sec) / 1000.0;
 
-  sprintf(date,"%04d-%02d-%02dT%02d:%02d:%02.0f",year,month,day,hour,min,sec);
+  sprintf (date, "%04d-%02d-%02dT%02d:%02d:%02.0f", year, month, day, hour,
+	   min, sec);
 
   return;
 }
 
 // Greenwich Mean Sidereal Time
-double gmst(double mjd)
+double
+gmst (double mjd)
 {
   double t, gmst;
 
   t = (mjd - 51544.5) / 36525.0;
 
-  gmst=modulo(280.46061837+360.98564736629*(mjd-51544.5)+t*t*(0.000387933-t/38710000),360.0);
+  gmst =
+    modulo (280.46061837 + 360.98564736629 * (mjd - 51544.5) +
+	    t * t * (0.000387933 - t / 38710000), 360.0);
 
   return gmst;
 }
 
 // Present nfd
-void nfd_now(char *s)
+void
+nfd_now (char *s)
 {
   time_t rawtime;
   struct tm *ptm;
@@ -303,18 +345,22 @@ void nfd_now(char *s)
   time (&rawtime);
   ptm = gmtime (&rawtime);
 
-  sprintf(s,"%04d-%02d-%02dT%02d:%02d:%02d",ptm->tm_year+1900,ptm->tm_mon+1,ptm->tm_mday,ptm->tm_hour,ptm->tm_min,ptm->tm_sec);
+  sprintf (s, "%04d-%02d-%02dT%02d:%02d:%02d", ptm->tm_year + 1900,
+	   ptm->tm_mon + 1, ptm->tm_mday, ptm->tm_hour, ptm->tm_min,
+	   ptm->tm_sec);
 
   return;
 }
 
 // nfd2mjd
-double nfd2mjd(char *date)
+double
+nfd2mjd (char *date)
 {
   int year, month, day, hour, min, sec;
   double mjd, dday;
 
-  sscanf(date,"%04d-%02d-%02dT%02d:%02d:%02d",&year,&month,&day,&hour,&min,&sec);
+  sscanf (date, "%04d-%02d-%02dT%02d:%02d:%02d", &year, &month, &day, &hour,
+	  &min, &sec);
   dday = day + hour / 24.0 + min / 1440.0 + sec / 86400.0;
 
   mjd = date2mjd (year, month, dday);
@@ -323,12 +369,14 @@ double nfd2mjd(char *date)
 }
 
 // Compute Julian Day from Date
-double date2mjd(int year,int month,double day)
+double
+date2mjd (int year, int month, double day)
 {
   int a, b;
   double jd;
 
-  if (month<3) {
+  if (month < 3)
+    {
       year--;
       month += 12;
     }
@@ -336,17 +384,23 @@ double date2mjd(int year,int month,double day)
   a = floor (year / 100.);
   b = 2. - a + floor (a / 4.);
 
-  if (year<1582) b=0;
+  if (year < 1582)
-  if (year==1582 && month<10) b=0;
+    b = 0;
-  if (year==1582 && month==10 && day<=4) b=0;
+  if (year == 1582 && month < 10)
+    b = 0;
+  if (year == 1582 && month == 10 && day <= 4)
+    b = 0;
 
-  jd=floor(365.25*(year+4716))+floor(30.6001*(month+1))+day+b-1524.5;
+  jd =
+    floor (365.25 * (year + 4716)) + floor (30.6001 * (month + 1)) + day + b -
+    1524.5;
 
   return jd - 2400000.5;
 }
 
 // Get observing site
-void get_site(int site_id)
+void
+get_site (int site_id)
 {
   int i = 0;
   char line[LIM];
@@ -358,11 +412,13 @@ void get_site(int site_id)
 
   sprintf (filename, "%s/data/sites.txt", m.datadir);
   file = fopen (filename, "r");
-  if (file==NULL) {
+  if (file == NULL)
+    {
       printf ("File with site information not found!\n");
       return;
     }
-  while (fgets(line,LIM,file)!=NULL) {
+  while (fgets (line, LIM, file) != NULL)
+    {
       // Skip
       if (strstr (line, "#") != NULL)
 	continue;
@@ -371,14 +427,14 @@ void get_site(int site_id)
       line[strlen (line) - 1] = '\0';
 
       // Read data
-    sscanf(line,"%4d %2s %lf %lf %f",
+      sscanf (line, "%4d %2s %lf %lf %f", &id, abbrev, &lat, &lng, &alt);
-	   &id,abbrev,&lat,&lng,&alt);
       strcpy (observer, line + 38);
 
       // Change to km
       alt /= 1000.0;
 
-    if (id==site_id) {
+      if (id == site_id)
+	{
 	  m.lat = lat;
 	  m.lng = lng;
 	  m.alt = alt;

src/angular.c

@@ -11,14 +11,16 @@ double s2dec(char *);
 void reverse (double, double, double, double, double *, double *);
 void forward (double, double, double, double, double *, double *);
 
-int main(int argc,char *argv[])
+int
+main (int argc, char *argv[])
 {
   int i;
   double ra1, de1, ra2, de2;
   double rx, ry;
   char sra[15], sde[15];
 
-  if (argc==1) {
+  if (argc == 1)
+    {
       printf ("Usage: %s <ra1> <de1> <ra2> <de2>\n", argv[0]);
       printf ("       Computes angular offset\n");
       printf ("Usage: %s -d <ra1> <de1> <dra> <dde>\n", argv[0]);
@@ -30,7 +32,8 @@ int main(int argc,char *argv[])
       return -1;
     }
 
-  if (strcmp(argv[1],"-d")==0) {
+  if (strcmp (argv[1], "-d") == 0)
+    {
       if (strchr (argv[2], ':') != NULL)
 	ra1 = 15. * s2dec (argv[2]);
       else
@@ -49,7 +52,9 @@ int main(int argc,char *argv[])
       dec2s (de2, sde, 0, 6);
 
       printf ("%s %s\n", sra, sde);
-  } else if (strcmp(argv[1],"-x")==0) {
+    }
+  else if (strcmp (argv[1], "-x") == 0)
+    {
       if (strchr (argv[2], ':') != NULL)
 	ra1 = 15. * s2dec (argv[2]);
       else
@@ -70,7 +75,9 @@ int main(int argc,char *argv[])
       forward (ra1, de1, ra2, de2, &rx, &ry);
 
       printf ("%8.3f\n", rx);
-  } else if (strcmp(argv[1],"-y")==0) {
+    }
+  else if (strcmp (argv[1], "-y") == 0)
+    {
       if (strchr (argv[2], ':') != NULL)
 	ra1 = 15. * s2dec (argv[2]);
       else
@@ -91,7 +98,9 @@ int main(int argc,char *argv[])
       forward (ra1, de1, ra2, de2, &rx, &ry);
 
       printf ("%8.3f\n", ry);
-  } else {
+    }
+  else
+    {
       if (strchr (argv[1], ':') != NULL)
 	ra1 = 15. * s2dec (argv[1]);
       else
@@ -118,7 +127,8 @@ int main(int argc,char *argv[])
 }
 
 // Convert Decimal into Sexagesimal
-void dec2s(double x,char *s,int f,int len)
+void
+dec2s (double x, char *s, int f, int len)
 {
   int i;
   double sec, deg, min;
@@ -135,17 +145,28 @@ void dec2s(double x,char *s,int f,int len)
   //  deg=fmod(x,60.);
   deg = x;
 
-  if (len==7) sprintf(s,"%c%02i%c%02i%c%07.4f%c",sign,(int) deg,form[f][0],(int) min,form[f][1],sec,form[f][2]);
+  if (len == 7)
-  if (len==6) sprintf(s,"%c%02i%c%02i%c%06.3f%c",sign,(int) deg,form[f][0],(int) min,form[f][1],sec,form[f][2]);
+    sprintf (s, "%c%02i%c%02i%c%07.4f%c", sign, (int) deg, form[f][0],
-  if (len==5) sprintf(s,"%c%02i%c%02i%c%05.2f%c",sign,(int) deg,form[f][0],(int) min,form[f][1],sec,form[f][2]);
+	     (int) min, form[f][1], sec, form[f][2]);
-  if (len==4) sprintf(s,"%c%02i%c%02i%c%04.1f%c",sign,(int) deg,form[f][0],(int) min,form[f][1],sec,form[f][2]);
+  if (len == 6)
-  if (len==2) sprintf(s,"%c%02i%c%02i%c%02i%c",sign,(int) deg,form[f][0],(int) min,form[f][1],(int) floor(sec),form[f][2]);
+    sprintf (s, "%c%02i%c%02i%c%06.3f%c", sign, (int) deg, form[f][0],
+	     (int) min, form[f][1], sec, form[f][2]);
+  if (len == 5)
+    sprintf (s, "%c%02i%c%02i%c%05.2f%c", sign, (int) deg, form[f][0],
+	     (int) min, form[f][1], sec, form[f][2]);
+  if (len == 4)
+    sprintf (s, "%c%02i%c%02i%c%04.1f%c", sign, (int) deg, form[f][0],
+	     (int) min, form[f][1], sec, form[f][2]);
+  if (len == 2)
+    sprintf (s, "%c%02i%c%02i%c%02i%c", sign, (int) deg, form[f][0],
+	     (int) min, form[f][1], (int) floor (sec), form[f][2]);
 
   return;
 }
 
 // Convert Sexagesimal into Decimal
-double s2dec(char *s)
+double
+s2dec (char *s)
 {
   double x;
   float deg, min, sec;
@@ -158,7 +179,8 @@ double s2dec(char *s)
   sec = fabs (atof (strtok (NULL, " :")));
 
   x = (double) deg + (double) min / 60. + (double) sec / 3600.;
-  if (s[0]=='-') x= -x;
+  if (s[0] == '-')
+    x = -x;
 
   return x;
 }

src/calibrate.c

@@ -13,12 +13,14 @@
 #define D2R M_PI/180.0
 #define R2D 180.0/M_PI
 
-struct star {
+struct star
+{
   double ra, de;
   float pmra, pmde;
   float mag;
 };
-struct image {
+struct image
+{
   int naxis1, naxis2, naxis3;
   float *z;
   float zmin, zmax;
@@ -27,7 +29,8 @@ struct image {
   float a[3], b[3];
   double mjd;
 } img;
-struct catalog {
+struct catalog
+{
   int n;
   float x[NMAX], y[NMAX], mag[NMAX];
   double ra[NMAX], de[NMAX], rx[NMAX], ry[NMAX];
@@ -36,8 +39,10 @@ struct catalog {
 struct image read_fits (char *filename, int pnum);
 struct catalog read_pixel_catalog (char *filename, float, float, float);
 int fgetline (FILE * file, char *s, int lim);
-struct catalog read_astrometric_catalog(char *filename,float mmin,float sx,float sy,float angle);
+struct catalog read_astrometric_catalog (char *filename, float mmin, float sx,
-void forward(double ra0,double de0,double ra,double de,double *x,double *y);
+					 float sy, float angle);
+void forward (double ra0, double de0, double ra, double de, double *x,
+	      double *y);
 int select_nearest (struct catalog c, float x, float y);
 void lfit2d (float *x, float *y, float *z, int n, float *a);
 void fit_transformation (struct catalog cat, struct catalog ast, int nselect);
@@ -45,7 +50,8 @@ struct catalog reread_astrometric_catalog(char *filename,float mmin);
 int match_catalogs (struct catalog *cat, struct catalog *ast, float rmax);
 double s2dec (char *s);
 
-void usage(void)
+void
+usage (void)
 {
 
   printf ("-f <file>      FITS file to calibrate\n");
@@ -59,7 +65,8 @@ void usage(void)
   return;
 }
 
-int main(int argc,char *argv[])
+int
+main (int argc, char *argv[])
 {
   int i, j;
   float xmin, xmax, ymin, ymax, zmin, zmax;
@@ -74,7 +81,8 @@ int main(int argc,char *argv[])
   struct catalog cat, ast;
   float sx = -10.0, sy = 10.0, q = 0.0;
   char *env, starfile[128];
-  float r,srmin=1.0,srmax=10.0,smmin=2.0,smmax=8.0,mag=9.0,rmax=10.0,rmask=-1;
+  float r, srmin = 1.0, srmax = 10.0, smmin = 2.0, smmax = 8.0, mag =
+    9.0, rmax = 10.0, rmask = -1;
   int arg = 0;
   char *fitsfile = NULL;
   char sra[16], sde[16];
@@ -86,9 +94,12 @@ int main(int argc,char *argv[])
   sprintf (starfile, "%s/data/tycho2.dat", env);
 
   // Decode options
-  if (argc>1) {
+  if (argc > 1)
-    while ((arg=getopt(argc,argv,"f:R:D:s:q:m:r:M:"))!=-1) {
+    {
-      switch(arg) {
+      while ((arg = getopt (argc, argv, "f:R:D:s:q:m:r:M:")) != -1)
+	{
+	  switch (arg)
+	    {
 
 	    case 'f':
 	      fitsfile = optarg;
@@ -111,9 +122,12 @@ int main(int argc,char *argv[])
 	      break;
 
 	    case 's':
-	if (strchr(optarg,',')!=NULL) {
+	      if (strchr (optarg, ',') != NULL)
+		{
 		  sscanf (optarg, "%f,%f", &sx, &sy);
-	} else {
+		}
+	      else
+		{
 		  sx = -atof (optarg);
 		  sy = -sx;
 		}
@@ -145,7 +159,9 @@ int main(int argc,char *argv[])
 	      return 0;
 	    }
 	}
-  } else {
+    }
+  else
+    {
       usage ();
       return 0;
     }
@@ -183,8 +199,10 @@ int main(int argc,char *argv[])
   zmax = img.zmax;
 
   // Forever loop
-  for (;;) {
+  for (;;)
-    if (redraw==1) {
+    {
+      if (redraw == 1)
+	{
 	  cpgeras ();
 
 	  cpgsvp (0.1, 0.95, 0.1, 0.95);
@@ -193,13 +211,16 @@ int main(int argc,char *argv[])
 	  cpgsfs (2);
 	  cpgctab (heat_l, heat_r, heat_g, heat_b, 5, 1.0, 0.5);
 
-      cpgimag(img.z,img.naxis1,img.naxis2,1,img.naxis1,1,img.naxis2,zmin,zmax,tr);
+	  cpgimag (img.z, img.naxis1, img.naxis2, 1, img.naxis1, 1,
+		   img.naxis2, zmin, zmax, tr);
 	  cpgbox ("BCTSNI", 0., 0, "BCTSNI", 0., 0);
 
 	  // Plot catalog
-      if (plotcat==1) {
+	  if (plotcat == 1)
+	    {
 	      cpgsci (3);
-	for (i=0;i<cat.n;i++) {
+	      for (i = 0; i < cat.n; i++)
+		{
 		  if (cat.select[i] != 0)
 		    cpgpt1 (cat.x[i], cat.y[i], 6);
 		  else
@@ -209,8 +230,11 @@ int main(int argc,char *argv[])
 	    }
 
 	  cpgsci (4);
-      for (i=0;i<ast.n;i++) {
+	  for (i = 0; i < ast.n; i++)
-	r=srmax-(srmax-srmin)*(ast.mag[i]-smmin)/(smmax-smmin);
+	    {
+	      r =
+		srmax - (srmax - srmin) * (ast.mag[i] - smmin) / (smmax -
+								  smmin);
 
 	      // Upscale for image size
 	      r *= img.naxis1 / 752.0;
@@ -230,8 +254,10 @@ int main(int argc,char *argv[])
 	break;
 
       // Help
-    if (c=='h') {
+      if (c == 'h')
-      printf("Calibrates astrometry. Initially requires manual matching of at least three stars. Use 'a' to select star on the image, then 'b' to select star from the catalog (blue circles). If at least three stars are matched, use 'f' and 'm' to converge the calibration.\n\n");
+	{
+	  printf
+	    ("Calibrates astrometry. Initially requires manual matching of at least three stars. Use 'a' to select star on the image, then 'b' to select star from the catalog (blue circles). If at least three stars are matched, use 'f' and 'm' to converge the calibration.\n\n");
 	  printf ("q     Quit\n");
 	  printf ("a     Select star on image\n");
 	  printf ("b     Select star from catalog\n");
@@ -246,7 +272,8 @@ int main(int argc,char *argv[])
 	}
 
       // Select pixel catalog
-    if (c=='a' && click==0) {
+      if (c == 'a' && click == 0)
+	{
 	  i = select_nearest (cat, x, y);
 	  cat.select[i] = nselect + 1;
 	  redraw = 1;
@@ -254,7 +281,8 @@ int main(int argc,char *argv[])
 	}
 
       // Select catalog
-    if (c=='b' && click==1) {
+      if (c == 'b' && click == 1)
+	{
 	  i = select_nearest (ast, x, y);
 	  ast.select[i] = nselect + 1;
 	  redraw = 1;
@@ -263,7 +291,8 @@ int main(int argc,char *argv[])
 	}
 
       // Center
-    if (c=='c') {
+      if (c == 'c')
+	{
 	  xmin = x - 0.5 * width;
 	  xmax = x + 0.5 * width;
 	  ymin = y - 0.5 * width;
@@ -273,14 +302,16 @@ int main(int argc,char *argv[])
 	}
 
       // Fit
-    if (c=='f' && nselect>=3) {
+      if (c == 'f' && nselect >= 3)
+	{
 	  fit_transformation (cat, ast, nselect);
 	  ast = reread_astrometric_catalog (starfile, mag + 1);
 	  redraw = 1;
 	}
 
       // Zoom
-    if (c=='z' || c=='+' || c=='=') {
+      if (c == 'z' || c == '+' || c == '=')
+	{
 	  width /= 1.25;
 	  xmin = x - 0.5 * width;
 	  xmax = x + 0.5 * width;
@@ -291,13 +322,15 @@ int main(int argc,char *argv[])
 	}
 
       // Match catalogs
-    if (c=='m') {
+      if (c == 'm')
+	{
 	  nselect = match_catalogs (&cat, &ast, rmax);
 	  redraw = 1;
 	}
 
       // Unzoom
-    if (c=='x' || c=='-') {
+      if (c == 'x' || c == '-')
+	{
 	  width *= 1.25;
 	  xmin = x - 0.5 * width;
 	  xmax = x + 0.5 * width;
@@ -308,13 +341,15 @@ int main(int argc,char *argv[])
 	}
 
       // Plot catalog
-    if (c=='p') {
+      if (c == 'p')
+	{
 	  plotcat = (plotcat == 1) ? 0 : 1;
 	  redraw = 1;
 	}
 
       // Reset
-    if (c=='r') {
+      if (c == 'r')
+	{
 	  width = (img.naxis1 > img.naxis2) ? img.naxis1 : img.naxis2;
 	  xmin = 0.5 * (img.naxis1 - width);
 	  xmax = 0.5 * (img.naxis1 + width);
@@ -325,12 +360,15 @@ int main(int argc,char *argv[])
 	}
 
       // Dump
-    if (c=='d') {
+      if (c == 'd')
+	{
 	  file = fopen ("dump.dat", "w");
-      for (i=0;i<nselect;i++) {
+	  for (i = 0; i < nselect; i++)
+	    {
 	      for (j = 0; j < cat.n; j++)
 		if (cat.select[j] == i + 1)
-	    fprintf(file,"%lf %lf ",cat.x[j]-img.x0,cat.y[j]-img.y0);
+		  fprintf (file, "%lf %lf ", cat.x[j] - img.x0,
+			   cat.y[j] - img.y0);
 	      for (j = 0; j < ast.n; j++)
 		if (ast.select[j] == i + 1)
 		  fprintf (file, "%lf %lf\n", ast.ra[j], ast.de[j]);
@@ -346,7 +384,8 @@ int main(int argc,char *argv[])
 }
 
 // Read fits image
-struct image read_fits(char *filename,int pnum)
+struct image
+read_fits (char *filename, int pnum)
 {
   int i, j, k, l, m;
   qfitsloader ql;
@@ -381,8 +420,10 @@ struct image read_fits(char *filename,int pnum)
   img.z = (float *) malloc (sizeof (float) * img.naxis1 * img.naxis2);
 
   // Fill z array
-  for (i=0,l=0,m=0;i<img.naxis1;i++) {
+  for (i = 0, l = 0, m = 0; i < img.naxis1; i++)
-    for (j=0;j<img.naxis2;j++) {
+    {
+      for (j = 0; j < img.naxis2; j++)
+	{
 	  img.z[l] = ql.fbuf[l];
 	  l++;
 	}
@@ -402,7 +443,8 @@ struct image read_fits(char *filename,int pnum)
 }
 
 // Read pixel catalog
-struct catalog read_pixel_catalog(char *filename,float x0,float y0,float rmin)
+struct catalog
+read_pixel_catalog (char *filename, float x0, float y0, float rmin)
 {
   int i = 0;
   FILE *file;
@@ -412,11 +454,13 @@ struct catalog read_pixel_catalog(char *filename,float x0,float y0,float rmin)
 
   // Read catalog
   file = fopen (filename, "r");
-  if (file==NULL) {
+  if (file == NULL)
+    {
       fprintf (stderr, "%s not found!\n", filename);
       exit (0);
     }
-  while (fgetline(file,line,LIM)>0) {
+  while (fgetline (file, line, LIM) > 0)
+    {
       if (i >= NMAX)
 	break;
       if (strstr (line, "#") != NULL)
@@ -437,7 +481,8 @@ struct catalog read_pixel_catalog(char *filename,float x0,float y0,float rmin)
 }
 
 // Read a line of maximum length int lim from file FILE into string s
-int fgetline(FILE *file,char *s,int lim)
+int
+fgetline (FILE * file, char *s, int lim)
 {
   int c, i = 0;
 
@@ -449,7 +494,9 @@ int fgetline(FILE *file,char *s,int lim)
   return i;
 }
 
-struct catalog read_astrometric_catalog(char *filename,float mmin,float sx,float sy,float angle)
+struct catalog
+read_astrometric_catalog (char *filename, float mmin, float sx, float sy,
+			  float angle)
 {
   int i = 0;
   FILE *file;
@@ -461,18 +508,25 @@ struct catalog read_astrometric_catalog(char *filename,float mmin,float sx,float
   double mjd0 = 51544.5;
 
   file = fopen (filename, "rb");
-  if (file==NULL) {
+  if (file == NULL)
+    {
       fprintf (stderr, "%s not found!\n", filename);
       exit (0);
     }
-  while (!feof(file)) {
+  while (!feof (file))
+    {
       fread (&s, sizeof (struct star), 1, file);
       if (s.mag > mmin)
 	continue;
       forward (img.ra0, img.de0, s.ra, s.de, &rx, &ry);
-    x=img.x0+1.0/sx*(cos(angle*D2R)*rx+sin(angle*D2R)*ry);
+      x =
-    y=img.y0+1.0/sy*(-sin(angle*D2R)*rx+cos(angle*D2R)*ry);
+	img.x0 + 1.0 / sx * (cos (angle * D2R) * rx + sin (angle * D2R) * ry);
-    if (x>0.0 && x<(float) img.naxis1 && y>0.0 && y<(float) img.naxis2) {
+      y =
+	img.y0 + 1.0 / sy * (-sin (angle * D2R) * rx +
+			     cos (angle * D2R) * ry);
+      if (x > 0.0 && x < (float) img.naxis1 && y > 0.0
+	  && y < (float) img.naxis2)
+	{
 	  c.x[i] = x;
 	  c.y[i] = y;
 	  c.rx[i] = rx;
@@ -495,14 +549,17 @@ struct catalog read_astrometric_catalog(char *filename,float mmin,float sx,float
 
 
 // Select nearest object
-int select_nearest(struct catalog c,float x,float y)
+int
+select_nearest (struct catalog c, float x, float y)
 {
   int i, imin;
   float r, rmin;
 
-  for (i=0;i<c.n;i++) {
+  for (i = 0; i < c.n; i++)
+    {
       r = sqrt (pow (x - c.x[i], 2) + pow (y - c.y[i], 2));
-    if (i==0 || r<rmin) {
+      if (i == 0 || r < rmin)
+	{
 	  imin = i;
 	  rmin = r;
 	}
@@ -512,7 +569,8 @@ int select_nearest(struct catalog c,float x,float y)
 }
 
 // Fit transformation
-void fit_transformation(struct catalog cat,struct catalog ast,int nselect)
+void
+fit_transformation (struct catalog cat, struct catalog ast, int nselect)
 {
   int i, j;
   float *x, *y, *rx, *ry;
@@ -522,15 +580,20 @@ void fit_transformation(struct catalog cat,struct catalog ast,int nselect)
   rx = (float *) malloc (sizeof (float) * nselect);
   ry = (float *) malloc (sizeof (float) * nselect);
 
-  for (i=0;i<nselect;i++) {
+  for (i = 0; i < nselect; i++)
-    for (j=0;j<cat.n;j++) {
+    {
-      if (cat.select[j]==i+1) {
+      for (j = 0; j < cat.n; j++)
+	{
+	  if (cat.select[j] == i + 1)
+	    {
 	      x[i] = cat.x[j] - img.x0;
 	      y[i] = cat.y[j] - img.y0;
 	    }
 	}
-    for (j=0;j<ast.n;j++) {
+      for (j = 0; j < ast.n; j++)
-      if (ast.select[j]==i+1) {
+	{
+	  if (ast.select[j] == i + 1)
+	    {
 	      rx[i] = ast.rx[j];
 	      ry[i] = ast.ry[j];
 	    }
@@ -544,7 +607,8 @@ void fit_transformation(struct catalog cat,struct catalog ast,int nselect)
 }
 
 // Linear 2D fit
-void lfit2d(float *x,float *y,float *z,int n,float *a)
+void
+lfit2d (float *x, float *y, float *z, int n, float *a)
 {
   int i;
   double chisq;
@@ -559,7 +623,8 @@ void lfit2d(float *x,float *y,float *z,int n,float *a)
   cov = gsl_matrix_alloc (3, 3);
 
   // Fill matrices
-  for(i=0;i<n;i++) {
+  for (i = 0; i < n; i++)
+    {
       gsl_matrix_set (X, i, 0, 1.0);
       gsl_matrix_set (X, i, 1, x[i]);
       gsl_matrix_set (X, i, 2, y[i]);
@@ -587,7 +652,8 @@ void lfit2d(float *x,float *y,float *z,int n,float *a)
 }
 
 // Read astrometric catalog
-struct catalog reread_astrometric_catalog(char *filename,float mmin)
+struct catalog
+reread_astrometric_catalog (char *filename, float mmin)
 {
   int i = 0;
   FILE *file;
@@ -599,7 +665,8 @@ struct catalog reread_astrometric_catalog(char *filename,float mmin)
   double mjd0 = 51544.5;
 
   file = fopen (filename, "rb");
-  while (!feof(file)) {
+  while (!feof (file))
+    {
       fread (&s, sizeof (struct star), 1, file);
       if (s.mag > mmin)
 	continue;
@@ -609,7 +676,8 @@ struct catalog reread_astrometric_catalog(char *filename,float mmin)
       d = img.a[1] * img.b[2] - img.a[2] * img.b[1];
       x = (img.b[2] * dx - img.a[2] * dy) / d + img.x0;
       y = (img.a[1] * dy - img.b[1] * dx) / d + img.y0;
-    if (x>0.0 && x<img.naxis1 && y>0.0 && y<img.naxis2) {
+      if (x > 0.0 && x < img.naxis1 && y > 0.0 && y < img.naxis2)
+	{
 	  c.x[i] = x;
 	  c.y[i] = y;
 	  c.rx[i] = rx;
@@ -627,7 +695,8 @@ struct catalog reread_astrometric_catalog(char *filename,float mmin)
   return c;
 }
 
-int match_catalogs(struct catalog *cat,struct catalog *ast,float rmax)
+int
+match_catalogs (struct catalog *cat, struct catalog *ast, float rmax)
 {
   int i, j, jmin, n, flag = 0;
   float r, rmin;
@@ -640,19 +709,26 @@ int match_catalogs(struct catalog *cat,struct catalog *ast,float rmax)
     ast->select[i] = 0;
 
   file = fopen ("out.dat", "w");
-  for (i=0,n=0;i<cat->n;i++) {
+  for (i = 0, n = 0; i < cat->n; i++)
-    for (j=0,flag=0;j<ast->n;j++) {
+    {
+      for (j = 0, flag = 0; j < ast->n; j++)
+	{
 	  if (ast->select[j] != 0)
 	    continue;
-      r=sqrt(pow(cat->x[i]-ast->x[j],2)+pow(cat->y[i]-ast->y[j],2));
+	  r =
-      if (flag==0 || r<rmin) {
+	    sqrt (pow (cat->x[i] - ast->x[j], 2) +
+		  pow (cat->y[i] - ast->y[j], 2));
+	  if (flag == 0 || r < rmin)
+	    {
 	      rmin = r;
 	      jmin = j;
 	      flag = 1;
 	    }
 	}
-    if (rmin<rmax) {
+      if (rmin < rmax)
-      fprintf(file,"%10.4f %10.4f %10.6f %10.6f\n",cat->x[i]-img.x0,cat->y[i]-img.y0,ast->ra[jmin],ast->de[jmin]);
+	{
+	  fprintf (file, "%10.4f %10.4f %10.6f %10.6f\n", cat->x[i] - img.x0,
+		   cat->y[i] - img.y0, ast->ra[jmin], ast->de[jmin]);
 	  cat->select[i] = n + 1;
 	  ast->select[jmin] = n + 1;
 	  n++;
@@ -665,7 +741,8 @@ int match_catalogs(struct catalog *cat,struct catalog *ast,float rmax)
 }
 
 // Convert Sexagesimal into Decimal
-double s2dec(char *s)
+double
+s2dec (char *s)
 {
   double x;
   float deg, min, sec;
@@ -678,7 +755,8 @@ double s2dec(char *s)
   sec = fabs (atof (strtok (NULL, " :")));
 
   x = (double) deg + (double) min / 60. + (double) sec / 3600.;
-  if (s[0]=='-') x= -x;
+  if (s[0] == '-')
+    x = -x;
 
   return x;
 }

src/confirm.c

@@ -13,7 +13,8 @@
 #define D2R M_PI/180.0
 #define R2D 180.0/M_PI
 
-struct fourframe {
+struct fourframe
+{
   char filename[64];
   int naxis1, naxis2, naxis3, nframes;
   float *zavg, *zstd, *zmax, *znum, *ztrk, *zsig;
@@ -26,7 +27,8 @@ struct fourframe {
   char nfd[32];
   int cospar;
 };
-struct observation {
+struct observation
+{
   int satno, cospar;
   char desig[16], conditions, behavior, catalog[32], comment[LIM];
   double mjd, ra, de;
@@ -43,11 +45,14 @@ struct point
   int flag;
 };
 struct fourframe read_fits (char *filename);
-void forward(double ra0,double de0,double ra,double de,double *x,double *y);
+void forward (double ra0, double de0, double ra, double de, double *x,
-void reverse(double ra0,double de0,double x,double y,double *ra,double *de);
+	      double *y);
+void reverse (double ra0, double de0, double x, double y, double *ra,
+	      double *de);
 
 // Linear least squares fit                                                     
-float linear_fit(float x[],float y[],float w[],int n,float a[],float sa[])
+float
+linear_fit (float x[], float y[], float w[], int n, float a[], float sa[])
 {
   int i;
   float sum, sumx, sumy, sumxx, sumxy;
@@ -55,7 +60,8 @@ float linear_fit(float x[],float y[],float w[],int n,float a[],float sa[])
 
   // Compute sums                                                               
   sum = sumx = sumy = sumxx = sumxy = 0.;
-  for (i=0;i<n;i++) {
+  for (i = 0; i < n; i++)
+    {
       sum += w[i];
       sumx += x[i] * w[i];
       sumy += y[i] * w[i];
@@ -86,12 +92,14 @@ float linear_fit(float x[],float y[],float w[],int n,float a[],float sa[])
 }
 
 // Compute Julian Day from Date
-double date2mjd(int year,int month,double day)
+double
+date2mjd (int year, int month, double day)
 {
   int a, b;
   double jd;
 
-  if (month<3) {
+  if (month < 3)
+    {
       year--;
       month += 12;
     }
@@ -99,23 +107,30 @@ double date2mjd(int year,int month,double day)
   a = floor (year / 100.);
   b = 2. - a + floor (a / 4.);
 
-  if (year<1582) b=0;
+  if (year < 1582)
-  if (year==1582 && month<10) b=0;
+    b = 0;
-  if (year==1582 && month==10 && day<=4) b=0;
+  if (year == 1582 && month < 10)
+    b = 0;
+  if (year == 1582 && month == 10 && day <= 4)
+    b = 0;
 
-  jd=floor(365.25*(year+4716))+floor(30.6001*(month+1))+day+b-1524.5;
+  jd =
+    floor (365.25 * (year + 4716)) + floor (30.6001 * (month + 1)) + day + b -
+    1524.5;
 
   return jd - 2400000.5;
 }
 
 // nfd2mjd
-double nfd2mjd(char *date)
+double
+nfd2mjd (char *date)
 {
   int year, month, day, hour, min;
   double mjd, dday;
   float sec;
 
-  sscanf(date,"'%04d-%02d-%02dT%02d:%02d:%f'",&year,&month,&day,&hour,&min,&sec);
+  sscanf (date, "'%04d-%02d-%02dT%02d:%02d:%f'", &year, &month, &day, &hour,
+	  &min, &sec);
 
   dday = day + hour / 24.0 + min / 1440.0 + sec / 86400.0;
   mjd = date2mjd (year, month, dday);
@@ -124,7 +139,8 @@ double nfd2mjd(char *date)
 }
 
 // Compute Date from Julian Day
-void mjd2date(double mjd,char *date)
+void
+mjd2date (double mjd, char *date)
 {
   double f, jd, dday;
   int z, alpha, a, b, c, d, e;
@@ -139,7 +155,8 @@ void mjd2date(double mjd,char *date)
 
   if (z < 2299161)
     a = z;
-  else {
+  else
+    {
       alpha = floor ((z - 1867216.25) / 36524.25);
       a = z + 1 + alpha - floor (alpha / 4.);
     }
@@ -168,13 +185,15 @@ void mjd2date(double mjd,char *date)
   x = (x - min) / 60.;
   hour = x;
   fsec = 1000.0 * (sec - floor (sec));
-  sprintf(date,"%04d%02d%02d%02d%02d%02.0f%03.0f",(int) year,(int) month,(int) day,(int) hour,(int) min,floor(sec),fsec);
+  sprintf (date, "%04d%02d%02d%02d%02d%02.0f%03.0f", (int) year, (int) month,
+	   (int) day, (int) hour, (int) min, floor (sec), fsec);
 
   return;
 }
 
 // MJD to DOY
-double mjd2doy(double mjd,int *yr)
+double
+mjd2doy (double mjd, int *yr)
 {
   int year, month, k = 2;
   int day;
@@ -190,7 +209,8 @@ double mjd2doy(double mjd,int *yr)
   if (year % 4 == 0 && year % 400 != 0)
     k = 1;
 
-  doy=floor(275.0*month/9.0)-k*floor((month+9.0)/12.0)+day-30;
+  doy =
+    floor (275.0 * month / 9.0) - k * floor ((month + 9.0) / 12.0) + day - 30;
 
   *yr = year;
 
@@ -198,7 +218,8 @@ double mjd2doy(double mjd,int *yr)
 }
 
 // Convert Decimal into Sexagesimal
-void dec2s(double x,char *s,int type)
+void
+dec2s (double x, char *s, int type)
 {
   int i;
   double sec, deg, min, fmin;
@@ -225,7 +246,9 @@ void dec2s(double x,char *s,int type)
 }
 
 // Reduce point
-void reduce_point(struct observation *obs,struct fourframe img,float tmid,float x,float y)
+void
+reduce_point (struct observation *obs, struct fourframe img, float tmid,
+	      float x, float y)
 {
   int iframe, k;
   double ra, de, rx, ry;
@@ -260,7 +283,9 @@ void reduce_point(struct observation *obs,struct fourframe img,float tmid,float
   return;
 }
 
-void fit(struct observation *obs,struct fourframe ff,struct point *p,int np,int flag)
+void
+fit (struct observation *obs, struct fourframe ff, struct point *p, int np,
+     int flag)
 {
   int i, j, k, l, n, m;
   float *t, *dt, *x, *y, *w;
@@ -281,8 +306,10 @@ void fit(struct observation *obs,struct fourframe ff,struct point *p,int np,int
   w = (float *) malloc (sizeof (float) * n);
 
   // Fill
-  for (i=0,l=0;i<np;i++) {
+  for (i = 0, l = 0; i < np; i++)
-    if (p[i].flag==flag) {
+    {
+      if (p[i].flag == flag)
+	{
 	  x[l] = p[i].x;
 	  y[l] = p[i].y;
 	  w[l] = 1.0;
@@ -292,13 +319,19 @@ void fit(struct observation *obs,struct fourframe ff,struct point *p,int np,int
     }
 
   // Find limits in time
-  for (i=0;i<n;i++) {
+  for (i = 0; i < n; i++)
-    if (i==0) {
+    {
+      if (i == 0)
+	{
 	  tmin = t[i];
 	  tmax = t[i];
-    } else {
+	}
-      if (t[i]<tmin) tmin=t[i];
+      else
-      if (t[i]>tmax) tmax=t[i];
+	{
+	  if (t[i] < tmin)
+	    tmin = t[i];
+	  if (t[i] > tmax)
+	    tmax = t[i];
 	}
     }
   tmid = 0.5 * (tmin + tmax);
@@ -314,7 +347,8 @@ void fit(struct observation *obs,struct fourframe ff,struct point *p,int np,int
   chi2y = linear_fit (dt, y, w, n, ay, say);
 
   // Compute rms
-  for (i=0,rmsx=0.0,rmsy=0.0;i<n;i++) {
+  for (i = 0, rmsx = 0.0, rmsy = 0.0; i < n; i++)
+    {
       rmsx += pow (x[i] - (ax[0] + ax[1] * dt[i]), 2);
       rmsy += pow (y[i] - (ay[0] + ay[1] * dt[i]), 2);
     }
@@ -347,7 +381,8 @@ void fit(struct observation *obs,struct fourframe ff,struct point *p,int np,int
   return;
 }
 
-void format_iod_line(struct observation *obs)
+void
+format_iod_line (struct observation *obs)
 {
   int mt, xt, mp, xp;
   char string[10];
@@ -358,32 +393,29 @@ void format_iod_line(struct observation *obs)
   xt = atoi (string + 4) + 8;
 
   // Position format
-  if (obs->type==2) {
+  if (obs->type == 2)
+    {
       sprintf (string, "%7.1e", obs->perr);
       mp = string[0] - '0';
       xp = atoi (string + 4) + 8;
-  } else {
+    }
+  else
+    {
       printf ("Position format not implemented!\n");
     }
 
-  sprintf(obs->iod_line,"%05d %c%c %-6s %04d %c %-17s %d%d %d%d %-14s %d%d %c",
+  sprintf (obs->iod_line,
-	  obs->satno,
+	   "%05d %c%c %-6s %04d %c %-17s %d%d %d%d %-14s %d%d %c", obs->satno,
-	  obs->desig[0],obs->desig[1],
+	   obs->desig[0], obs->desig[1], obs->desig + 2, obs->cospar,
-	  obs->desig+2,
+	   obs->conditions, obs->nfd, mt, xt, obs->type, obs->epoch, obs->pos,
-	  obs->cospar,
+	   mp, xp, obs->behavior);
-	  obs->conditions,
-	  obs->nfd,
-	  mt,xt,
-	  obs->type,obs->epoch,
-	  obs->pos,
-	  mp,xp,
-	  obs->behavior);
 
   return;
 }
 
 // Read a line of maximum length int lim from file FILE into string s
-int fgetline(FILE *file,char *s,int lim)
+int
+fgetline (FILE * file, char *s, int lim)
 {
   int c, i = 0;
 
@@ -397,7 +429,8 @@ int fgetline(FILE *file,char *s,int lim)
   return i;
 }
 
-void find_designation(int satno0,char *desig0)
+void
+find_designation (int satno0, char *desig0)
 {
   FILE *file;
   int satno;
@@ -409,13 +442,16 @@ void find_designation(int satno0,char *desig0)
   sprintf (filename, "%s/data/desig.txt", env);
 
   file = fopen (filename, "r");
-  if (file==NULL) {
+  if (file == NULL)
+    {
       fprintf (stderr, "Designation file not found!\n");
       exit (0);
     }
-  while (!feof(file)) {
+  while (!feof (file))
+    {
       fscanf (file, "%d %s", &satno, desig);
-    if (satno==satno0) {
+      if (satno == satno0)
+	{
 	  strcpy (desig0, desig);
 	  break;
 	}
@@ -425,7 +461,9 @@ void find_designation(int satno0,char *desig0)
   return;
 }
 
-void identify_observation(struct observation *obs,char *fileroot,float drmin,float amin)
+void
+identify_observation (struct observation *obs, char *fileroot, float drmin,
+		      float amin)
 {
   FILE *file;
   float x0, y0, x1, y1, x, y, texp;
@@ -437,12 +475,15 @@ void identify_observation(struct observation *obs,char *fileroot,float drmin,flo
   // Open ID file
   sprintf (filename, "%s.id", fileroot);
   file = fopen (filename, "r");
-  if (file==NULL) {
+  if (file == NULL)
+    {
       fprintf (stderr, "ID file %s not found\n", filename);
       return;
     }
-  while (fgetline(file,line,LIM)>0) {
+  while (fgetline (file, line, LIM) > 0)
-    sscanf(line,"%s %f %f %f %f %f %d %s",nfd,&x0,&y0,&x1,&y1,&texp,&satno,catalog);
+    {
+      sscanf (line, "%s %f %f %f %f %f %d %s", nfd, &x0, &y0, &x1, &y1, &texp,
+	      &satno, catalog);
 
       // Predicted pixel rates
       dxdt = (x1 - x0) / texp;
@@ -462,7 +503,8 @@ void identify_observation(struct observation *obs,char *fileroot,float drmin,flo
 	angle = 0.0;
 
       // Identify
-    if (dr<drmin && angle<amin) {
+      if (dr < drmin && angle < amin)
+	{
 	  obs->satno = satno;
 	  if (strstr (catalog, "classfd.tle") != NULL)
 	    strcpy (obs->catalog, "classfd");
@@ -477,7 +519,8 @@ void identify_observation(struct observation *obs,char *fileroot,float drmin,flo
   return;
 }
 
-void write_observation(struct observation obs)
+void
+write_observation (struct observation obs)
 {
   FILE *file;
   char filename[LIM];
@@ -491,7 +534,8 @@ void write_observation(struct observation obs)
   return;
 }
 
-void overlay_predictions(char *fitsfile,struct fourframe ff)
+void
+overlay_predictions (char *fitsfile, struct fourframe ff)
 {
   float x0, y0, x1, y1, texp;
   int satno, isch;
@@ -505,12 +549,15 @@ void overlay_predictions(char *fitsfile,struct fourframe ff)
 
   // Open ID file
   file = fopen (filename, "r");
-  if (file==NULL) {
+  if (file == NULL)
+    {
       fprintf (stderr, "ID file %s not found\n", filename);
       return;
     }
-  while (fgetline(file,line,LIM)>0) {
+  while (fgetline (file, line, LIM) > 0)
-    sscanf(line,"%s %f %f %f %f %f %d %s",nfd,&x0,&y0,&x1,&y1,&texp,&satno,catalog);
+    {
+      sscanf (line, "%s %f %f %f %f %f %d %s", nfd, &x0, &y0, &x1, &y1, &texp,
+	      &satno, catalog);
 
       if (strstr (catalog, "classfd") != NULL)
 	cpgsci (4);
@@ -528,10 +575,12 @@ void overlay_predictions(char *fitsfile,struct fourframe ff)
       // plot text
       cpgsch (0.65);
       sprintf (text, " %05d", satno);
-    for (t=0.0;t<1.0;t+=0.1) {
+      for (t = 0.0; t < 1.0; t += 0.1)
+	{
 	  x = x0 + (x1 - x0) * t;
 	  y = y0 + (y1 - y0) * t;
-      if (x>0.0 && y>0.0 && x<ff.naxis1 && y<ff.naxis2) {
+	  if (x > 0.0 && y > 0.0 && x < ff.naxis1 && y < ff.naxis2)
+	    {
 	      cpgtext (x, y, text);
 	      break;
 	    }
@@ -546,7 +595,9 @@ void overlay_predictions(char *fitsfile,struct fourframe ff)
 }
 
 
-void accumulate(float *z,int nx,int ny,int nz,int *mask,int bx,int by,int bz,int nsel,int *zsel)
+void
+accumulate (float *z, int nx, int ny, int nz, int *mask, int bx, int by,
+	    int bz, int nsel, int *zsel)
 {
   int ix, iy, iz;
   int jx, jy, jz, k;
@@ -564,8 +615,10 @@ void accumulate(float *z,int nx,int ny,int nz,int *mask,int bx,int by,int bz,int
     c[ix] = 0;
 
   // Accumulate
-  for (ix=0;ix<nx;ix++) {
+  for (ix = 0; ix < nx; ix++)
-    for (iy=0;iy<ny;iy++) {
+    {
+      for (iy = 0; iy < ny; iy++)
+	{
 	  iz = (int) z[ix + nx * iy];
 	  jx = ix / bx;
 	  jy = iy / by;
@@ -577,8 +630,10 @@ void accumulate(float *z,int nx,int ny,int nz,int *mask,int bx,int by,int bz,int
     }
 
   // Apply mask
-  for (ix=0;ix<nx;ix++) {
+  for (ix = 0; ix < nx; ix++)
-    for (iy=0;iy<ny;iy++) {
+    {
+      for (iy = 0; iy < ny; iy++)
+	{
 	  iz = (int) z[ix + nx * iy];
 	  jx = ix / bx;
 	  jy = iy / by;
@@ -594,7 +649,8 @@ void accumulate(float *z,int nx,int ny,int nz,int *mask,int bx,int by,int bz,int
 }
 
 // RANSAC line finding
-void ransac(struct point *p,int np,float drmin)
+void
+ransac (struct point *p, int np, float drmin)
 {
   int i = 0, j, k, l, m, n, mmax;
   const gsl_rng_type *T;
@@ -610,16 +666,20 @@ void ransac(struct point *p,int np,float drmin)
   r = gsl_rng_alloc (T);
 
   // Loop over number of lines
-  for (i=1;i<=4;i++) {
+  for (i = 1; i <= 4; i++)
+    {
       // Number of iterations
-    for (l=0,mmax=0;l<10000;l++) {
+      for (l = 0, mmax = 0; l < 10000; l++)
+	{
 	  // Get random end points
-      for (;;) {
+	  for (;;)
+	    {
 	      i0 = (int) (np * gsl_rng_uniform (r));
 	      if (p[i0].flag == 0)
 		break;
 	    }
-      for (;;) {
+	  for (;;)
+	    {
 	      i1 = (int) (np * gsl_rng_uniform (r));
 	      if (p[i1].flag == 0)
 		break;
@@ -632,7 +692,8 @@ void ransac(struct point *p,int np,float drmin)
 	  by = p[i0].y - ay * p[i0].t;
 
 	  // Find matches
-      for (k=0,m=0;k<np;k++) {
+	  for (k = 0, m = 0; k < np; k++)
+	    {
 	      dx = bx + ax * p[k].t - p[k].x;
 	      dy = by + ay * p[k].t - p[k].y;
 	      dr = sqrt (dx * dx + dy * dy);
@@ -641,7 +702,8 @@ void ransac(struct point *p,int np,float drmin)
 	    }
 
 	  // Store
-      if (m>mmax) {
+	  if (m > mmax)
+	    {
 	      mmax = m;
 	      i0max = i0;
 	      i1max = i1;
@@ -655,7 +717,8 @@ void ransac(struct point *p,int np,float drmin)
       by = p[i0max].y - ay * p[i0max].t;
 
       // Find matches
-    for (k=0;k<np;k++) {
+      for (k = 0; k < np; k++)
+	{
 	  dx = bx + ax * p[k].t - p[k].x;
 	  dy = by + ay * p[k].t - p[k].y;
 	  dr = sqrt (dx * dx + dy * dy);
@@ -674,7 +737,8 @@ void ransac(struct point *p,int np,float drmin)
   return;
 }
 
-int main(int argc,char *argv[])
+int
+main (int argc, char *argv[])
 {
   int i, j, k, l, m, n, flag = 0, np, nline;
   struct fourframe ff;
@@ -702,9 +766,12 @@ int main(int argc,char *argv[])
   char c;
 
   // Decode options
-  if (argc>1) {
+  if (argc > 1)
-    while ((arg=getopt(argc,argv,"f:s:R:r:a:pn:"))!=-1) {
+    {
-      switch(arg) {
+      while ((arg = getopt (argc, argv, "f:s:R:r:a:pn:")) != -1)
+	{
+	  switch (arg)
+	    {
 
 	    case 'f':
 	      fitsfile = optarg;
@@ -735,7 +802,9 @@ int main(int argc,char *argv[])
 	      break;
 	    }
 	}
-  } else {
+    }
+  else
+    {
       return 0;
     }
 
@@ -751,9 +820,12 @@ int main(int argc,char *argv[])
   ff = read_fits (fitsfile);
 
   // Fill mask
-  if (ff.naxis1==720 && ff.naxis2==576) {
+  if (ff.naxis1 == 720 && ff.naxis2 == 576)
-    for (i=0;i<ff.naxis1;i++) {
+    {
-      for (j=0;j<ff.naxis2;j++) {
+      for (i = 0; i < ff.naxis1; i++)
+	{
+	  for (j = 0; j < ff.naxis2; j++)
+	    {
 	      k = i + ff.naxis1 * j;
 	      if (i < 10 || i > ff.naxis1 - 10 || j > ff.naxis2 - 10)
 		ff.mask[k] = 0;
@@ -767,12 +839,17 @@ int main(int argc,char *argv[])
     zsel[i] = 0;
 
   // Accumulate
-  if (ff.nframes==250) {
+  if (ff.nframes == 250)
+    {
       //    accumulate(ff.znum,ff.naxis1,ff.naxis2,ff.nframes,ff.mask,2,2,10,2,zsel);
-    accumulate(ff.znum,ff.naxis1,ff.naxis2,ff.nframes,ff.mask,4,4,10,8,zsel);
+      accumulate (ff.znum, ff.naxis1, ff.naxis2, ff.nframes, ff.mask, 4, 4,
-  } else if (ff.nframes==256) {
+		  10, 8, zsel);
+    }
+  else if (ff.nframes == 256)
+    {
       //    accumulate(ff.znum,ff.naxis1,ff.naxis2,ff.nframes,ff.mask,2,2,8,2,zsel);
-    accumulate(ff.znum,ff.naxis1,ff.naxis2,ff.nframes,ff.mask,4,4,16,6,zsel);
+      accumulate (ff.znum, ff.naxis1, ff.naxis2, ff.nframes, ff.mask, 4, 4,
+		  16, 6, zsel);
     }
 
   // Apply mask
@@ -787,9 +864,15 @@ int main(int argc,char *argv[])
   cpgsch (0.8);
   sprintf (text, "UT Date: %.23s  COSPAR ID: %04d", ff.nfd + 1, ff.cospar);
   cpgmtxt ("T", 6.0, 0.0, 0.0, text);
-  sprintf(text,"R.A.: %10.5f (%4.1f'') Decl.: %10.5f (%4.1f'')",ff.ra0,ff.xrms,ff.de0,ff.yrms);
+  sprintf (text, "R.A.: %10.5f (%4.1f'') Decl.: %10.5f (%4.1f'')", ff.ra0,
+	   ff.xrms, ff.de0, ff.yrms);
   cpgmtxt ("T", 4.8, 0.0, 0.0, text);
-  sprintf(text,"FoV: %.2f\\(2218)x%.2f\\(2218) Scale: %.2f''x%.2f'' pix\\u-1\\d",ff.naxis1*sqrt(ff.a[1]*ff.a[1]+ff.b[1]*ff.b[1])/3600.0,ff.naxis2*sqrt(ff.a[2]*ff.a[2]+ff.b[2]*ff.b[2])/3600.0,sqrt(ff.a[1]*ff.a[1]+ff.b[1]*ff.b[1]),sqrt(ff.a[2]*ff.a[2]+ff.b[2]*ff.b[2]));
+  sprintf (text,
+	   "FoV: %.2f\\(2218)x%.2f\\(2218) Scale: %.2f''x%.2f'' pix\\u-1\\d",
+	   ff.naxis1 * sqrt (ff.a[1] * ff.a[1] + ff.b[1] * ff.b[1]) / 3600.0,
+	   ff.naxis2 * sqrt (ff.a[2] * ff.a[2] + ff.b[2] * ff.b[2]) / 3600.0,
+	   sqrt (ff.a[1] * ff.a[1] + ff.b[1] * ff.b[1]),
+	   sqrt (ff.a[2] * ff.a[2] + ff.b[2] * ff.b[2]));
   cpgmtxt ("T", 3.6, 0.0, 0.0, text);
 
   cpgsch (1.0);
@@ -798,7 +881,8 @@ int main(int argc,char *argv[])
 
   zmin = 0.0;
   zmax = 150.0;
-  cpgimag(ff.zmax,ff.naxis1,ff.naxis2,1,ff.naxis1,1,ff.naxis2,zmin,zmax,tr);
+  cpgimag (ff.zmax, ff.naxis1, ff.naxis2, 1, ff.naxis1, 1, ff.naxis2, zmin,
+	   zmax, tr);
   cpgbox ("BCTSNI", 0., 0, "BCTSNI", 0., 0);
   cpgstbg (1);
   overlay_predictions (fitsfile, ff);
@@ -806,21 +890,27 @@ int main(int argc,char *argv[])
   // Open measurements file
   sprintf (filename, "%s.det", fitsfile);
   file = fopen (filename, "r");
-  if (file!=NULL) {
+  if (file != NULL)
+    {
       i = 0;
-    while (fgetline(file,line,LIM)>0) {
+      while (fgetline (file, line, LIM) > 0)
-      if (i%4==1) {
+	{
-	sscanf(line,"# %f %f %f %f %f %f %f %f %f",&x[0],&y[0],&t[0],&x[1],&y[1],&t[1],&x[2],&y[2],&t[2]);
+	  if (i % 4 == 1)
+	    {
+	      sscanf (line, "# %f %f %f %f %f %f %f %f %f", &x[0], &y[0],
+		      &t[0], &x[1], &y[1], &t[1], &x[2], &y[2], &t[2]);
 	      cpgsci (5);
 	      cpgpt1 (x[0], y[0], 4);
 	      cpgmove (x[1], y[1]);
 	      cpgdraw (x[2], y[2]);
 	    }
-      if (i%4==2) {
+	  if (i % 4 == 2)
+	    {
 	      line[strlen (line) - 1] = '\0';
 	      sprintf (catalog, "%s.dat", line + 2);
 	    }
-      if (i%4==3) {
+	  if (i % 4 == 3)
+	    {
 	      line[strlen (line) - 1] = ' ';
 	      cpgstbg (0);
 	      cpgsch (0.8);
@@ -833,7 +923,8 @@ int main(int argc,char *argv[])
 	      cpgcurs (&x0, &y0, &c);
 
 	      // Accept
-	if (c=='a') {
+	      if (c == 'a')
+		{
 		  outfile = fopen (catalog, "a");
 		  fprintf (outfile, "%s\n", line);
 		  fclose (outfile);
@@ -861,7 +952,8 @@ int main(int argc,char *argv[])
 }
 
 // Read fits fourframe
-struct fourframe read_fits(char *filename)
+struct fourframe
+read_fits (char *filename)
 {
   int i, j, k, l, m;
   qfitsloader ql;
@@ -903,7 +995,8 @@ struct fourframe read_fits(char *filename)
 
   // Timestamps
   img.dt = (float *) malloc (sizeof (float) * img.nframes);
-  for (i=0;i<img.nframes;i++) {
+  for (i = 0; i < img.nframes; i++)
+    {
       sprintf (key, "DT%04d", i);
       img.dt[i] = atof (qfits_query_hdr (filename, key));
     }
@@ -928,7 +1021,8 @@ struct fourframe read_fits(char *filename)
   ql.filename = filename;
 
   // Loop over planes
-  for (k=0;k<img.naxis3;k++) {
+  for (k = 0; k < img.naxis3; k++)
+    {
       ql.pnum = k;
 
       // Initialize load
@@ -940,16 +1034,27 @@ struct fourframe read_fits(char *filename)
 	printf ("Error loading actual data\n");
 
       // Fill z array
-    for (i=0,l=0;i<img.naxis1;i++) {
+      for (i = 0, l = 0; i < img.naxis1; i++)
-      for (j=0;j<img.naxis2;j++) {
+	{
-	if (k==1) img.zstd[l]=ql.fbuf[l];
+	  for (j = 0; j < img.naxis2; j++)
-	if (k==2) img.zmax[l]=ql.fbuf[l];
+	    {
-	if (k==3) img.znum[l]=ql.fbuf[l];
+	      if (k == 1)
-	if (img.naxis3==5) {
+		img.zstd[l] = ql.fbuf[l];
-	  if (k==0) img.ztrk[l]=ql.fbuf[l];
+	      if (k == 2)
-	  if (k==4) img.zavg[l]=ql.fbuf[l];
+		img.zmax[l] = ql.fbuf[l];
-	} else {
+	      if (k == 3)
-	  if (k==0) img.zavg[l]=ql.fbuf[l];
+		img.znum[l] = ql.fbuf[l];
+	      if (img.naxis3 == 5)
+		{
+		  if (k == 0)
+		    img.ztrk[l] = ql.fbuf[l];
+		  if (k == 4)
+		    img.zavg[l] = ql.fbuf[l];
+		}
+	      else
+		{
+		  if (k == 0)
+		    img.zavg[l] = ql.fbuf[l];
 		}
 
 	      l++;
@@ -962,4 +1067,3 @@ struct fourframe read_fits(char *filename)
 
   return img;
 }
-

src/csv2tle.c

@@ -21,7 +21,8 @@ double mjd2doy(double mjd,int *yr);
 void format_tle (orbit_t orb, char *line1, char *line2);
 double modulo (double x, double y);
 
-void convert(char *line)
+void
+convert (char *line)
 {
   int no, so;
   int year, month, day, hour, min, sec;
@@ -36,7 +37,10 @@ void convert(char *line)
   dm = 5.0 * log10 (1000.0 / 40000.0);
 
   // Read line
-  sscanf(line,"%4d,%6d,%2d%2d%4d,%2d%2d%4d %2d%2d%2d,%4d,%f,%f,%f,%f,%f,%f,%f,%f",&no,&so,&fod,&fom,&foy,&day,&month,&year,&hour,&min,&sec,&gap,&sma,&incl,&raan,&ecc,&argl,&argp,&a2m,&mag);
+  sscanf (line,
+	  "%4d,%6d,%2d%2d%4d,%2d%2d%4d %2d%2d%2d,%4d,%f,%f,%f,%f,%f,%f,%f,%f",
+	  &no, &so, &fod, &fom, &foy, &day, &month, &year, &hour, &min, &sec,
+	  &gap, &sma, &incl, &raan, &ecc, &argl, &argp, &a2m, &mag);
 
   // Use date of first observed as a designation
   mjd = date2mjd (foy, fom, fod);
@@ -47,7 +51,8 @@ void convert(char *line)
     sprintf (orb.desig, "%02d%3.0fA", foy - 1900, doy + 500);
 
   // Find epoch
-  mjd=date2mjd(year,month,day+hour/24.0+min/1440.0+sec/86400.0);
+  mjd =
+    date2mjd (year, month, day + hour / 24.0 + min / 1440.0 + sec / 86400.0);
   orb.ep_day = mjd2doy (mjd, &orb.ep_year);
 
   // Set values
@@ -68,7 +73,9 @@ void convert(char *line)
   perigee = sma * (1.0 - ecc) - XKMPER;
   apogee = sma * (1.0 + ecc) - XKMPER;
 
-  sprintf(line0,"SO %6d                      %4.1f             %7.0fkm  x%7.0fkm",so,mag+dm,perigee,apogee);
+  sprintf (line0,
+	   "SO %6d                      %4.1f             %7.0fkm  x%7.0fkm",
+	   so, mag + dm, perigee, apogee);
 
   // Format line
   format_tle (orb, line1, line2);
@@ -77,15 +84,18 @@ void convert(char *line)
   return;
 }
 
-int main(int argc,char *argv[])
+int
+main (int argc, char *argv[])
 {
   FILE *file;
   char line[LIM], *fname;
   int arg = 0;
 
   // Decode options
-  while ((arg=getopt(argc,argv,"f:"))!=-1) {
+  while ((arg = getopt (argc, argv, "f:")) != -1)
-    switch(arg) {
+    {
+      switch (arg)
+	{
 
 	case 'f':
 	  fname = optarg;
@@ -105,7 +115,8 @@ int main(int argc,char *argv[])
 }
 
 // Read a line of maximum length int lim from file FILE into string s
-int fgetline(FILE *file,char *s,int lim)
+int
+fgetline (FILE * file, char *s, int lim)
 {
   int c, i = 0;
 
@@ -118,7 +129,8 @@ int fgetline(FILE *file,char *s,int lim)
 }
 
 // Compute Date from Julian Day
-void mjd2date(double mjd,int *year,int *month,double *day)
+void
+mjd2date (double mjd, int *year, int *month, double *day)
 {
   double f, jd;
   int z, alpha, a, b, c, d, e;
@@ -131,7 +143,8 @@ void mjd2date(double mjd,int *year,int *month,double *day)
 
   if (z < 2299161)
     a = z;
-  else {
+  else
+    {
       alpha = floor ((z - 1867216.25) / 36524.25);
       a = z + 1 + alpha - floor (alpha / 4.);
     }
@@ -155,12 +168,14 @@ void mjd2date(double mjd,int *year,int *month,double *day)
 }
 
 // Compute Julian Day from Date
-double date2mjd(int year,int month,double day)
+double
+date2mjd (int year, int month, double day)
 {
   int a, b;
   double jd;
 
-  if (month<3) {
+  if (month < 3)
+    {
       year--;
       month += 12;
     }
@@ -168,17 +183,23 @@ double date2mjd(int year,int month,double day)
   a = floor (year / 100.);
   b = 2. - a + floor (a / 4.);
 
-  if (year<1582) b=0;
+  if (year < 1582)
-  if (year==1582 && month<10) b=0;
+    b = 0;
-  if (year==1582 && month==10 && day<=4) b=0;
+  if (year == 1582 && month < 10)
+    b = 0;
+  if (year == 1582 && month == 10 && day <= 4)
+    b = 0;
 
-  jd=floor(365.25*(year+4716))+floor(30.6001*(month+1))+day+b-1524.5;
+  jd =
+    floor (365.25 * (year + 4716)) + floor (30.6001 * (month + 1)) + day + b -
+    1524.5;
 
   return jd - 2400000.5;
 }
 
 // MJD to DOY
-double mjd2doy(double mjd,int *yr)
+double
+mjd2doy (double mjd, int *yr)
 {
   int year, month, k = 2;
   double day, doy;
@@ -188,7 +209,8 @@ double mjd2doy(double mjd,int *yr)
   if (year % 4 == 0 && year % 400 != 0)
     k = 1;
 
-  doy=floor(275.0*month/9.0)-k*floor((month+9.0)/12.0)+day-30;
+  doy =
+    floor (275.0 * month / 9.0) - k * floor ((month + 9.0) / 12.0) + day - 30;
 
   *yr = year;
 
@@ -196,30 +218,44 @@ double mjd2doy(double mjd,int *yr)
 }
 
 // Format TLE
-void format_tle(orbit_t orb,char *line1,char *line2)
+void
+format_tle (orbit_t orb, char *line1, char *line2)
 {
   int i, csum;
   char sbstar[] = " 00000-0", bstar[13];
 
   // Format Bstar term
-  if (fabs(orb.bstar)>1e-9) {
+  if (fabs (orb.bstar) > 1e-9)
+    {
       sprintf (bstar, "%11.4e", 10 * orb.bstar);
-    sbstar[0] = bstar[0];  sbstar[1] = bstar[1];  sbstar[2] = bstar[3];  sbstar[3] = bstar[4];
+      sbstar[0] = bstar[0];
-    sbstar[4] = bstar[5];  sbstar[5] = bstar[6];  sbstar[6] = bstar[8];  sbstar[7] = bstar[10];  sbstar[8] = '\0';
+      sbstar[1] = bstar[1];
+      sbstar[2] = bstar[3];
+      sbstar[3] = bstar[4];
+      sbstar[4] = bstar[5];
+      sbstar[5] = bstar[6];
+      sbstar[6] = bstar[8];
+      sbstar[7] = bstar[10];
+      sbstar[8] = '\0';
     }
   // Print lines
-  sprintf(line1,"1 %05dU %-8s %2d%012.8f  .00000000  00000-0 %8s 0    0",orb.satno,orb.desig,orb.ep_year-2000,orb.ep_day,sbstar);
+  sprintf (line1, "1 %05dU %-8s %2d%012.8f  .00000000  00000-0 %8s 0    0",
-  sprintf(line2,"2 %05d %8.4f %8.4f %07.0f %8.4f %8.4f %11.8f    0",orb.satno,DEG(orb.eqinc),DEG(orb.ascn),1E7*orb.ecc,DEG(orb.argp),DEG(orb.mnan),orb.rev);
+	   orb.satno, orb.desig, orb.ep_year - 2000, orb.ep_day, sbstar);
+  sprintf (line2, "2 %05d %8.4f %8.4f %07.0f %8.4f %8.4f %11.8f    0",
+	   orb.satno, DEG (orb.eqinc), DEG (orb.ascn), 1E7 * orb.ecc,
+	   DEG (orb.argp), DEG (orb.mnan), orb.rev);
 
   // Compute checksums
-  for (i=0,csum=0;i<strlen(line1);i++) {
+  for (i = 0, csum = 0; i < strlen (line1); i++)
+    {
       if (isdigit (line1[i]))
 	csum += line1[i] - '0';
       else if (line1[i] == '-')
 	csum++;
     }
   sprintf (line1, "%s%d", line1, csum % 10);
-  for (i=0,csum=0;i<strlen(line2);i++) {
+  for (i = 0, csum = 0; i < strlen (line2); i++)
+    {
       if (isdigit (line2[i]))
 	csum += line2[i] - '0';
       else if (line2[i] == '-')
@@ -231,10 +267,12 @@ void format_tle(orbit_t orb,char *line1,char *line2)
 }
 
 // Return x modulo y [0,y)
-double modulo(double x,double y)
+double
+modulo (double x, double y)
 {
   x = fmod (x, y);
-  if (x<0.0) x+=y;
+  if (x < 0.0)
+    x += y;
 
   return x;
 }

src/dec2s.c

@@ -4,7 +4,8 @@
 #include <string.h>
 #include <math.h>
 
-int main(int argc,char *argv[])
+int
+main (int argc, char *argv[])
 {
   int h = 0;
   double sec, deg, min;
@@ -12,8 +13,10 @@ int main(int argc,char *argv[])
   double x;
   char s[14];
 
-  if (argc==1) {
+  if (argc == 1)
-    printf("Usage: dec2s [options] <x>\n\nCompute sexagesimal from decimal input x.\n");
+    {
+      printf
+	("Usage: dec2s [options] <x>\n\nCompute sexagesimal from decimal input x.\n");
       printf ("Options: -r gives hours instead of degrees\n");
       printf ("         -d<a> uses character a as delimiter\n");
       printf ("         -h uses hms as delimiters\n");
@@ -27,8 +30,10 @@ int main(int argc,char *argv[])
   sign = (x < 0 ? '-' : ' ');
 
   // Get Options
-  while (--argc > 0 && (*++argv)[0] == '-') {
+  while (--argc > 0 && (*++argv)[0] == '-')
-    while (c = *++argv[0]) {
+    {
+      while (c = *++argv[0])
+	{
 	  if (c == 'r')
 	    x /= 15.;
 	  if (c == 's')
@@ -49,7 +54,8 @@ int main(int argc,char *argv[])
   deg = x;
 
   if (h == 0)
-    printf("%c%02i%c%02i%c%06.3f\n",sign,(int) deg,d,(int) min,d,(float) sec);
+    printf ("%c%02i%c%02i%c%06.3f\n", sign, (int) deg, d, (int) min, d,
+	    (float) sec);
   else
     printf ("%c%02ih%02im%06.3fs\n", sign, (int) deg, (int) min, (float) sec);
 

src/deep.c

@@ -55,7 +55,8 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-static const char SCCSid[] = "@(#)deep.c        3.04 (C) 1995 psc SatLib: Deep Space effects";
+static const char SCCSid[] =
+  "@(#)deep.c        3.04 (C) 1995 psc SatLib: Deep Space effects";
 
 #ifndef NO_DEEP_SPACE
 
@@ -156,7 +157,8 @@ static real pgh0, ph0, pe0, pinc0, pl0; /* Added terms to save the epoch values
 
    ================================================================== */
 
-sgdp4_mode_t SGDP4_dpinit(double epoch, real omegao, real xnodeo, real xmo,
+sgdp4_mode_t
+SGDP4_dpinit (double epoch, real omegao, real xnodeo, real xmo,
 	      real orb_eo, real orb_xincl, real aodp, double xlldot,
 	      real omgdot, real xnodot, double xnodp)
 {
@@ -173,7 +175,8 @@ LOCAL_REAL z1, z2, z3, z11, z12, z13, z21, z22, z23, z31, z32, z33;
   LOCAL_REAL s1, s2, s3, s4, s5, s6, s7, cc, ao, eq, se, shdq, si, sl;
   LOCAL_REAL zx, zy, ze, zn;
   LOCAL_REAL g201, g211, g310, g300, g322, g410, g422, g520, g533, g521, g532;
-LOCAL_REAL f220, f221, f311, f321, f322, f330, f441, f442, f522, f523, f542, f543;
+  LOCAL_REAL f220, f221, f311, f321, f322, f330, f441, f442, f522, f523, f542,
+    f543;
   real siniq, cosiq;
   real temp0, temp1;
   int ls;
@@ -189,12 +192,14 @@ int ishq;
 
   /* Decide on direct or Lyddane Lunar-Solar perturbations. */
   ilsd = 0;
-    if(xincl >= (real)0.2) ilsd = 1;
+  if (xincl >= (real) 0.2)
+    ilsd = 1;
 
   /* Drop some terms below 3 deg inclination. */
   ishq = 0;
 #define SHQT 0.052359877
-	if (xincl >= (real)SHQT) ishq = 1; /* As per reoprt #3. */
+  if (xincl >= (real) SHQT)
+    ishq = 1;			/* As per reoprt #3. */
 
   SINCOS (omegao, &sinomo, &cosomo);
   SINCOS (xnodeo, &sinq, &cosq);
@@ -289,15 +294,23 @@ int ishq;
       z11 = a1 * (real) - 6.0 * a5 + eqsq * (x1 * (real) - 24.0 * x7 - x3 *
 					     (real) 6.0 * x5);
       z12 = (a1 * a6 + a3 * a5) * (real) - 6.0 + eqsq * ((x2 * x7 +
-              x1 * x8) * (real)-24.0 - (x3 * x6 + x4 * x5) * (real)6.0);
+							  x1 * x8) * (real) -
-        z13 = a3 * (real)-6.0 * a6 + eqsq * (x2 * (real)-24.0 * x8 - x4 *
+							 24.0 - (x3 * x6 +
-                (real)6.0 * x6);
+								 x4 * x5) *
-        z21 = a2 * (real)6.0 * a5 + eqsq * (x1 * (real)24.0 * x5 -
+							 (real) 6.0);
+      z13 =
+	a3 * (real) - 6.0 * a6 + eqsq * (x2 * (real) - 24.0 * x8 -
+					 x4 * (real) 6.0 * x6);
+      z21 =
+	a2 * (real) 6.0 *a5 + eqsq * (x1 * (real) 24.0 * x5 -
 				      x3 * (real) 6.0 * x7);
-        z22 = (a4 * a5 + a2 * a6) * (real)6.0 + eqsq * ((x2 * x5 + x1 * x6) *
+      z22 =
-                (real)24.0 - (x4 * x7 + x3 * x8) * (real)6.0);
+	(a4 * a5 + a2 * a6) * (real) 6.0 +
-        z23 = a4 * (real)6.0 * a6 + eqsq * (x2 * (real)24.0 * x6 - x4 *
+	eqsq * ((x2 * x5 + x1 * x6) * (real) 24.0 -
-                (real)6.0 * x8);
+		(x4 * x7 + x3 * x8) * (real) 6.0);
+      z23 =
+	a4 * (real) 6.0 *a6 + eqsq * (x2 * (real) 24.0 * x6 -
+				      x4 * (real) 6.0 * x8);
       z1 = z1 + z1 + bsq * z31;
       z2 = z2 + z2 + bsq * z32;
       z3 = z3 + z3 + bsq * z33;
@@ -333,7 +346,8 @@ int ishq;
       xh2 = s2 * (real) - 2.0 * z22;
       xh3 = s2 * (real) - 2.0 * (z23 - z21);
 
-        if (ls == 1) break;
+      if (ls == 1)
+	break;
 
       /* DO LUNAR TERMS */
 
@@ -381,7 +395,9 @@ int ishq;
       g300 = eqsq * (eqsq * (real) 6.60937 - (real) 6.0) + (real) 1.0;
       f220 = (cosiq + (real) 1.0) * (real) 0.75 *(cosiq + (real) 1.0);
       f311 = siniq * (real) 0.9375 *siniq * (cosiq * (real) 3.0 +
-                (real)1.0) - (cosiq + (real)1.0) * (real)0.75;
+					     (real) 1.0) - (cosiq +
+							    (real) 1.0) *
+	(real) 0.75;
       f330 = cosiq + (real) 1.0;
       f330 = f330 * (real) 1.875 *f330 * f330;
       del1 = (real) 3.0 *(real) (xnq * xnq * aqnv * aqnv);
@@ -406,61 +422,107 @@ int ishq;
       if (eq <= (real) 0.65)
 	{
 	  g211 = (real) 3.616 - eq * (real) 13.247 + eqsq * (real) 16.29;
-            g310 = eq * (real)117.39 - (real)19.302 - eqsq * (real)228.419 + eoc * (real)156.591;
+	  g310 =
-            g322 = eq * (real)109.7927 - (real)18.9068 - eqsq * (real)214.6334 + eoc * (real)146.5816;
+	    eq * (real) 117.39 - (real) 19.302 - eqsq * (real) 228.419 +
-            g410 = eq * (real)242.694 - (real)41.122 - eqsq * (real)471.094 + eoc * (real)313.953;
+	    eoc * (real) 156.591;
-            g422 = eq * (real)841.88 - (real)146.407 - eqsq * (real)1629.014 + eoc * (real)1083.435;
+	  g322 =
-            g520 = eq * (real)3017.977 - (real)532.114 - eqsq * 5740.032 + eoc * (real)3708.276;
+	    eq * (real) 109.7927 - (real) 18.9068 - eqsq * (real) 214.6334 +
+	    eoc * (real) 146.5816;
+	  g410 =
+	    eq * (real) 242.694 - (real) 41.122 - eqsq * (real) 471.094 +
+	    eoc * (real) 313.953;
+	  g422 =
+	    eq * (real) 841.88 - (real) 146.407 - eqsq * (real) 1629.014 +
+	    eoc * (real) 1083.435;
+	  g520 =
+	    eq * (real) 3017.977 - (real) 532.114 - eqsq * 5740.032 +
+	    eoc * (real) 3708.276;
 	}
       else
 	{
-            g211 = eq * (real)331.819 - (real)72.099 - eqsq * (real)508.738 + eoc * (real)266.724;
+	  g211 =
-            g310 = eq * (real)1582.851 - (real)346.844 - eqsq * (real)2415.925 + eoc * (real)1246.113;
+	    eq * (real) 331.819 - (real) 72.099 - eqsq * (real) 508.738 +
-            g322 = eq * (real)1554.908 - (real)342.585 - eqsq * (real)2366.899 + eoc * (real)1215.972;
+	    eoc * (real) 266.724;
-            g410 = eq * (real)4758.686 - (real)1052.797 - eqsq * (real)7193.992 + eoc * (real)3651.957;
+	  g310 =
-            g422 = eq * (real)16178.11 - (real)3581.69 - eqsq * (real)24462.77 + eoc * (real)12422.52;
+	    eq * (real) 1582.851 - (real) 346.844 - eqsq * (real) 2415.925 +
+	    eoc * (real) 1246.113;
+	  g322 =
+	    eq * (real) 1554.908 - (real) 342.585 - eqsq * (real) 2366.899 +
+	    eoc * (real) 1215.972;
+	  g410 =
+	    eq * (real) 4758.686 - (real) 1052.797 - eqsq * (real) 7193.992 +
+	    eoc * (real) 3651.957;
+	  g422 =
+	    eq * (real) 16178.11 - (real) 3581.69 - eqsq * (real) 24462.77 +
+	    eoc * (real) 12422.52;
 
 	  if (eq <= (real) 0.715)
 	    {
-                g520 = (real)1464.74 - eq * (real)4664.75 + eqsq * (real)3763.64;
+	      g520 =
+		(real) 1464.74 - eq * (real) 4664.75 + eqsq * (real) 3763.64;
 	    }
 	  else
 	    {
-                g520 = eq * (real)29936.92 - (real)5149.66 - eqsq * (real)54087.36 + eoc * (real)31324.56;
+	      g520 =
+		eq * (real) 29936.92 - (real) 5149.66 -
+		eqsq * (real) 54087.36 + eoc * (real) 31324.56;
 	    }
 	}
 
       if (eq < (real) 0.7)
 	{
-            g533 = eq * (real)4988.61 - (real)919.2277 - eqsq * (real)9064.77 + eoc * (real)5542.21;
+	  g533 =
-            g521 = eq * (real)4568.6173 - (real)822.71072 - eqsq * (real)8491.4146 + eoc * (real)5337.524;
+	    eq * (real) 4988.61 - (real) 919.2277 - eqsq * (real) 9064.77 +
-            g532 = eq * (real)4690.25 - (real)853.666 - eqsq * (real)8624.77 + eoc * (real)5341.4;
+	    eoc * (real) 5542.21;
+	  g521 =
+	    eq * (real) 4568.6173 - (real) 822.71072 -
+	    eqsq * (real) 8491.4146 + eoc * (real) 5337.524;
+	  g532 =
+	    eq * (real) 4690.25 - (real) 853.666 - eqsq * (real) 8624.77 +
+	    eoc * (real) 5341.4;
 	}
       else
 	{
-            g533 = eq * (real)161616.52 - (real)37995.78 - eqsq * (real)229838.2 + eoc * (real)109377.94;
+	  g533 =
-            g521 = eq * (real)218913.95 - (real)51752.104 - eqsq * (real)309468.16 + eoc * (real)146349.42;
+	    eq * (real) 161616.52 - (real) 37995.78 - eqsq * (real) 229838.2 +
-            g532 = eq * (real)170470.89 - (real)40023.88 - eqsq * (real)242699.48 + eoc * (real)115605.82;
+	    eoc * (real) 109377.94;
+	  g521 =
+	    eq * (real) 218913.95 - (real) 51752.104 -
+	    eqsq * (real) 309468.16 + eoc * (real) 146349.42;
+	  g532 =
+	    eq * (real) 170470.89 - (real) 40023.88 -
+	    eqsq * (real) 242699.48 + eoc * (real) 115605.82;
 	}
 
       f220 = (cosiq * (real) 2.0 + (real) 1.0 + cosiq2) * (real) 0.75;
       f221 = siniq2 * (real) 1.5;
-        f321 = siniq * (real)1.875 * ((real)1.0 - cosiq * (real)2.0 - cosiq2 * (real)3.0);
+      f321 =
-        f322 = siniq * (real)-1.875 * (cosiq * (real)2.0 + (real)1.0 - cosiq2 * (real)3.0);
+	siniq * (real) 1.875 *((real) 1.0 - cosiq * (real) 2.0 -
+			       cosiq2 * (real) 3.0);
+      f322 =
+	siniq * (real) - 1.875 * (cosiq * (real) 2.0 + (real) 1.0 -
+				  cosiq2 * (real) 3.0);
       f441 = siniq2 * (real) 35.0 *f220;
       f442 = siniq2 * (real) 39.375 *siniq2;
       f522 = siniq * (real) 9.84375 *(siniq2 * ((real) 1.0 - cosiq *
-                (real)2.0 - cosiq2 * (real)5.0) + (cosiq * (real)4.0 -
+						(real) 2.0 -
-                (real)2.0 + cosiq2 * (real)6.0) * (real)0.33333333);
+						cosiq2 * (real) 5.0) +
-        f523 = siniq * (siniq2 * (real)4.92187512 * ((real)-2.0 - cosiq *
+				      (cosiq * (real) 4.0 - (real) 2.0 +
-                (real)4.0 + cosiq2 * (real)10.0) + (cosiq * (real)2.0 +
+				       cosiq2 * (real) 6.0) *
-                (real)1.0 - cosiq2 * (real)3.0) * (real)6.56250012);
+				      (real) 0.33333333);
-        f542 = siniq * (real)29.53125 * ((real)2.0 - cosiq * (real)8.0 +
+      f523 =
-                cosiq2 * (cosiq * (real)8.0 - (real)12.0 + cosiq2 *
+	siniq * (siniq2 * (real) 4.92187512 *
-                (real)10.0));
+		 ((real) - 2.0 - cosiq * (real) 4.0 + cosiq2 * (real) 10.0) +
-        f543 = siniq * (real)29.53125 * ((real)-2.0 - cosiq * (real)8.0 +
+		 (cosiq * (real) 2.0 + (real) 1.0 -
-                cosiq2 * (cosiq * (real)8.0 + (real)12.0 - cosiq2 *
+		  cosiq2 * (real) 3.0) * (real) 6.56250012);
-                (real)10.0));
+      f542 =
+	siniq * (real) 29.53125 *((real) 2.0 - cosiq * (real) 8.0 +
+				  cosiq2 * (cosiq * (real) 8.0 - (real) 12.0 +
+					    cosiq2 * (real) 10.0));
+      f543 =
+	siniq * (real) 29.53125 *((real) - 2.0 - cosiq * (real) 8.0 +
+				  cosiq2 * (cosiq * (real) 8.0 + (real) 12.0 -
+					    cosiq2 * (real) 10.0));
       xno2 = (real) (xnq * xnq);
       ainv2 = aqnv * aqnv;
       temp1 = xno2 * (real) 3.0 *ainv2;
@@ -559,7 +621,8 @@ return imode;
 
    ===================================================================== */
 
-int SGDP4_dpsec(double *xll, real *omgasm, real *xnodes, real *em,
+int
+SGDP4_dpsec (double *xll, real * omgasm, real * xnodes, real * em,
 	     real * xinc, double *xn, double tsince)
 {
   LOCAL_DOUBLE delt, ft, xl;
@@ -571,7 +634,8 @@ real temp0;
   *em += sse * tsince;
   *xinc += ssi * tsince;
 
-    if (iresfl == 0) return 0;
+  if (iresfl == 0)
+    return 0;
 
   /*
    * A minor increase in some efficiency can be had by restarting if
@@ -615,7 +679,8 @@ real temp0;
        */
       delt = (tsince >= atime ? STEP : -STEP);
 
-        do {
+      do
+	{
 	  /* INTEGRATOR (using the last "dot" terms). */
 	  xli += delt * (xldot + delt * (real) 0.5 * xndot);
 	  xni += delt * (xndot + delt * (real) 0.5 * xnddt);
@@ -625,7 +690,8 @@ real temp0;
 
 	  /* Are we close enough now ? */
 	  ft = tsince - atime;
-            } while (fabs(ft) >= STEP);
+	}
+      while (fabs (ft) >= STEP);
     }
 
   xl = xli + ft * (xldot + ft * (real) 0.5 * xndot);
@@ -649,7 +715,8 @@ return 0;
 
    ===================================================================== */
 
-static void dot_terms_calculated(void)
+static void
+dot_terms_calculated (void)
 {
   LOCAL_DOUBLE x2li, x2omi, xomi;
 
@@ -678,8 +745,7 @@ LOCAL_DOUBLE x2li, x2omi, xomi;
 	+ d5232 * SIN (-xomi + xli - G52)
 	+ d4410 * SIN (x2omi + x2li - G44)
 	+ d4422 * SIN (x2li - G44)
-              + d5421 * SIN(xomi + x2li - G54)
+	+ d5421 * SIN (xomi + x2li - G54) + d5433 * SIN (-xomi + x2li - G54);
-              + d5433 * SIN(-xomi + x2li - G54);
 
       xnddt = d2201 * COS (x2omi + xli - G22)
 	+ d2211 * COS (xli - G22)
@@ -711,7 +777,8 @@ LOCAL_DOUBLE x2li, x2omi, xomi;
 
    ===================================================================== */
 
-int SGDP4_dpper(real *em, real *xinc, real *omgasm, real *xnodes,
+int
+SGDP4_dpper (real * em, real * xinc, real * omgasm, real * xnodes,
 	     double *xll, double tsince)
 {
   real sinis, cosis;
@@ -778,7 +845,8 @@ return 0;
    code).
    ===================================================================== */
 
-static void compute_LunarSolar(double tsince)
+static void
+compute_LunarSolar (double tsince)
 {
   LOCAL_REAL sinzf, coszf;
   LOCAL_REAL f2, f3, zf, zm;
@@ -856,7 +924,8 @@ LOCAL_REAL sghs, shs, sghl, shl;
 #define FK5R	(5.07551419432269442E-15)
 
 
-static void thetag(double ep, real *thegr, double *days50)
+static void
+thetag (double ep, real * thegr, double *days50)
 {
   double d;
   long n, jy;
@@ -869,7 +938,8 @@ double theta;
   /*
      if (jy < 10) jy += 80;
    */
-    if (jy < 50) jy += 100;
+  if (jy < 50)
+    jy += 100;
 
   if (jy < 70)			/* Fix for leap years ? */
     n = (jy - 72) / 4;
@@ -891,11 +961,14 @@ double theta;
     double t_cen, GMST;
 
     t_cen = (jd - UT - 2451545.0) / 36525.0;
-  	GMST = 24110.54841 + t_cen * (8640184.812866 + t_cen * (0.093104 - t_cen * 6.2E-6));
+    GMST =
+      24110.54841 + t_cen * (8640184.812866 +
+			     t_cen * (0.093104 - t_cen * 6.2E-6));
 
     GMST = fmod (GMST + SECDAY * omega_E * UT, SECDAY);
 
-  	if(GMST < 0.0) GMST += SECDAY;
+    if (GMST < 0.0)
+      GMST += SECDAY;
 
     theta = TWOPI * GMST / SECDAY;
   }
@@ -919,7 +992,8 @@ double theta;
 #endif
 
   theta = fmod (theta, TWOPI);
-    if (theta < 0.0) theta += TWOPI;
+  if (theta < 0.0)
+    theta += TWOPI;
 
   *thegr = (real) theta;
 

src/deproject.c

@@ -8,7 +8,8 @@
 #include <jpeglib.h>
 #include <getopt.h>
 
-struct image {
+struct image
+{
   int naxis1, naxis2, naxis3;
   float *z;
   float zmin, zmax;
@@ -21,17 +22,21 @@ struct image {
   char nfd[32];
   int cospar;
 };
-struct jpeg_image {
+struct jpeg_image
+{
   int nx, ny, nz;
   float *z;
 };
 struct jpeg_image read_jpg (char *filename);
 void write_jpg (char *filename, struct jpeg_image img);
 struct image read_fits (char *filename, int pnum);
-void forward(double ra0,double de0,double ra,double de,double *x,double *y);
+void forward (double ra0, double de0, double ra, double de, double *x,
-void reverse(double ra0,double de0,double x,double y,double *ra,double *de);
+	      double *y);
+void reverse (double ra0, double de0, double x, double y, double *ra,
+	      double *de);
 
-int main(int argc,char *argv[])
+int
+main (int argc, char *argv[])
 {
   int i, j, k, l, m;
   struct image img;
@@ -44,8 +49,10 @@ int main(int argc,char *argv[])
   char *fitsfile, *jpgfile, *outfile;
 
   // Decode options
-  while ((arg=getopt(argc,argv,"j:f:o:R:D:s:"))!=-1) {
+  while ((arg = getopt (argc, argv, "j:f:o:R:D:s:")) != -1)
-    switch(arg) {
+    {
+      switch (arg)
+	{
 
 	case 'j':
 	  jpgfile = optarg;
@@ -96,8 +103,10 @@ int main(int argc,char *argv[])
    */
   out.z = (float *) malloc (sizeof (float) * out.nx * out.ny * out.nz);
 
-  for (i=0;i<out.nx;i++) {
+  for (i = 0; i < out.nx; i++)
-    for (j=0;j<out.ny;j++) {
+    {
+      for (j = 0; j < out.ny; j++)
+	{
 	  // Set rx,ry
 	  rx = drx * (float) (i - 0.5 * out.nx);
 	  ry = dry * (float) (j - 0.5 * out.ny);
@@ -114,7 +123,8 @@ int main(int argc,char *argv[])
 	  y = (-rx0 * img.b[1] + ry0 * img.a[1]) / d + img.y0;
 
 	  // Fill image
-      for (k=0;k<jpg.nz;k++) {
+	  for (k = 0; k < jpg.nz; k++)
+	    {
 	      l = out.nz * (i + out.nx * (out.ny - j - 1)) + k;
 	      m = jpg.nz * ((int) x + jpg.nx * (int) (jpg.ny - y - 1)) + k;
 	      if (x > 0.0 && x < jpg.nx && y > 0.0 && y < jpg.ny)
@@ -138,7 +148,8 @@ int main(int argc,char *argv[])
 }
 
 // Read fits image
-struct image read_fits(char *filename,int pnum)
+struct image
+read_fits (char *filename, int pnum)
 {
   int i, j, k, l, m;
   qfitsloader ql;
@@ -195,15 +206,18 @@ struct image read_fits(char *filename,int pnum)
   img.z = (float *) malloc (sizeof (float) * img.naxis1 * img.naxis2);
 
   // Fill z array
-  for (i=0,l=0,m=0;i<img.naxis1;i++) {
+  for (i = 0, l = 0, m = 0; i < img.naxis1; i++)
-    for (j=0;j<img.naxis2;j++) {
+    {
+      for (j = 0; j < img.naxis2; j++)
+	{
 	  img.z[l] = ql.fbuf[l];
 	  l++;
 	}
     }
 
   // Get levels
-  for (i=0,s1=0.0,s2=0.0;i<img.naxis1*img.naxis2;i++) {
+  for (i = 0, s1 = 0.0, s2 = 0.0; i < img.naxis1 * img.naxis2; i++)
+    {
       s1 += img.z[i];
       s2 += img.z[i] * img.z[i];
     }
@@ -215,7 +229,8 @@ struct image read_fits(char *filename,int pnum)
   return img;
 }
 
-struct jpeg_image read_jpg(char *filename)
+struct jpeg_image
+read_jpg (char *filename)
 {
   int i = 0, j, k, l, m;
   unsigned long location = 0;
@@ -239,11 +254,15 @@ struct jpeg_image read_jpg(char *filename)
   jpeg_start_decompress (&cinfo);
 
   // Allocate memory
-  raw_image=(unsigned char *) malloc(cinfo.output_width*cinfo.output_height*cinfo.num_components);
+  raw_image =
+    (unsigned char *) malloc (cinfo.output_width * cinfo.output_height *
+			      cinfo.num_components);
 
   // Read image, one scan at a time
-  row_pointer[0]=(unsigned char *) malloc(cinfo.output_width*cinfo.num_components);
+  row_pointer[0] =
-  while(cinfo.output_scanline<cinfo.image_height) {
+    (unsigned char *) malloc (cinfo.output_width * cinfo.num_components);
+  while (cinfo.output_scanline < cinfo.image_height)
+    {
       jpeg_read_scanlines (&cinfo, row_pointer, 1);
       for (i = 0; i < cinfo.image_width * cinfo.num_components; i++)
 	raw_image[location++] = row_pointer[0][i];
@@ -259,9 +278,12 @@ struct jpeg_image read_jpg(char *filename)
   img.z = (float *) malloc (sizeof (float) * img.nx * img.ny * img.nz);
 
   // Fill image
-  for (i=0;i<img.nx;i++) {
+  for (i = 0; i < img.nx; i++)
-    for (j=0;j<img.ny;j++) {
+    {
-      for (k=0;k<img.nz;k++) {
+      for (j = 0; j < img.ny; j++)
+	{
+	  for (k = 0; k < img.nz; k++)
+	    {
 	      l = img.nz * (i + img.nx * j) + k;
 	      img.z[l] = (float) raw_image[l];
 	    }
@@ -279,7 +301,8 @@ struct jpeg_image read_jpg(char *filename)
 }
 
 // Write jpg
-void write_jpg(char *filename,struct jpeg_image img)
+void
+write_jpg (char *filename, struct jpeg_image img)
 {
   int i, j, k, l, m;
   struct jpeg_compress_struct cinfo;
@@ -300,20 +323,28 @@ void write_jpg(char *filename,struct jpeg_image img)
   jpeg_start_compress (&cinfo, TRUE);
 
   // Allocate memory
-  raw_image=(unsigned char *) malloc(cinfo.image_width*cinfo.image_height*cinfo.input_components);
+  raw_image =
+    (unsigned char *) malloc (cinfo.image_width * cinfo.image_height *
+			      cinfo.input_components);
 
   // Fill image
-  for (i=0;i<img.nx;i++) {
+  for (i = 0; i < img.nx; i++)
-    for (j=0;j<img.ny;j++) {
+    {
-      for (k=0;k<img.nz;k++) {
+      for (j = 0; j < img.ny; j++)
+	{
+	  for (k = 0; k < img.nz; k++)
+	    {
 	      l = img.nz * (i + img.nx * j) + k;
 	      raw_image[l] = (unsigned char) img.z[l];
 	    }
 	}
     }
 
-  while(cinfo.next_scanline<cinfo.image_height) {
+  while (cinfo.next_scanline < cinfo.image_height)
-    row_pointer[0]=&raw_image[cinfo.next_scanline*cinfo.image_width*cinfo.input_components];
+    {
+      row_pointer[0] =
+	&raw_image[cinfo.next_scanline * cinfo.image_width *
+		   cinfo.input_components];
       jpeg_write_scanlines (&cinfo, row_pointer, 1);
     }
   jpeg_finish_compress (&cinfo);
@@ -322,4 +353,3 @@ void write_jpg(char *filename,struct jpeg_image img)
 
   return;
 }
-

src/detect.c

@@ -13,7 +13,8 @@
 #define D2R M_PI/180.0
 #define R2D 180.0/M_PI
 
-struct fourframe {
+struct fourframe
+{
   char filename[64];
   int naxis1, naxis2, naxis3, nframes;
   float *zavg, *zstd, *zmax, *znum, *ztrk, *zsig;
@@ -26,7 +27,8 @@ struct fourframe {
   char nfd[32];
   int cospar;
 };
-struct observation {
+struct observation
+{
   int satno, cospar;
   char desig[16], conditions, behavior, catalog[32], comment[LIM];
   double mjd, ra, de;
@@ -43,12 +45,15 @@ struct point
   int flag;
 };
 struct fourframe read_fits (char *filename);
-void forward(double ra0,double de0,double ra,double de,double *x,double *y);
+void forward (double ra0, double de0, double ra, double de, double *x,
-void reverse(double ra0,double de0,double x,double y,double *ra,double *de);
+	      double *y);
+void reverse (double ra0, double de0, double x, double y, double *ra,
+	      double *de);
 
 
 // Linear least squares fit                                                     
-float linear_fit(float x[],float y[],float w[],int n,float a[],float sa[])
+float
+linear_fit (float x[], float y[], float w[], int n, float a[], float sa[])
 {
   int i;
   float sum, sumx, sumy, sumxx, sumxy;
@@ -56,7 +61,8 @@ float linear_fit(float x[],float y[],float w[],int n,float a[],float sa[])
 
   // Compute sums                                                               
   sum = sumx = sumy = sumxx = sumxy = 0.;
-  for (i=0;i<n;i++) {
+  for (i = 0; i < n; i++)
+    {
       sum += w[i];
       sumx += x[i] * w[i];
       sumy += y[i] * w[i];
@@ -87,12 +93,14 @@ float linear_fit(float x[],float y[],float w[],int n,float a[],float sa[])
 }
 
 // Compute Julian Day from Date
-double date2mjd(int year,int month,double day)
+double
+date2mjd (int year, int month, double day)
 {
   int a, b;
   double jd;
 
-  if (month<3) {
+  if (month < 3)
+    {
       year--;
       month += 12;
     }
@@ -100,23 +108,30 @@ double date2mjd(int year,int month,double day)
   a = floor (year / 100.);
   b = 2. - a + floor (a / 4.);
 
-  if (year<1582) b=0;
+  if (year < 1582)
-  if (year==1582 && month<10) b=0;
+    b = 0;
-  if (year==1582 && month==10 && day<=4) b=0;
+  if (year == 1582 && month < 10)
+    b = 0;
+  if (year == 1582 && month == 10 && day <= 4)
+    b = 0;
 
-  jd=floor(365.25*(year+4716))+floor(30.6001*(month+1))+day+b-1524.5;
+  jd =
+    floor (365.25 * (year + 4716)) + floor (30.6001 * (month + 1)) + day + b -
+    1524.5;
 
   return jd - 2400000.5;
 }
 
 // nfd2mjd
-double nfd2mjd(char *date)
+double
+nfd2mjd (char *date)
 {
   int year, month, day, hour, min;
   double mjd, dday;
   float sec;
 
-  sscanf(date,"'%04d-%02d-%02dT%02d:%02d:%f'",&year,&month,&day,&hour,&min,&sec);
+  sscanf (date, "'%04d-%02d-%02dT%02d:%02d:%f'", &year, &month, &day, &hour,
+	  &min, &sec);
 
   dday = day + hour / 24.0 + min / 1440.0 + sec / 86400.0;
   mjd = date2mjd (year, month, dday);
@@ -125,7 +140,8 @@ double nfd2mjd(char *date)
 }
 
 // Compute Date from Julian Day
-void mjd2date(double mjd,char *date)
+void
+mjd2date (double mjd, char *date)
 {
   double f, jd, dday;
   int z, alpha, a, b, c, d, e;
@@ -140,7 +156,8 @@ void mjd2date(double mjd,char *date)
 
   if (z < 2299161)
     a = z;
-  else {
+  else
+    {
       alpha = floor ((z - 1867216.25) / 36524.25);
       a = z + 1 + alpha - floor (alpha / 4.);
     }
@@ -169,13 +186,15 @@ void mjd2date(double mjd,char *date)
   x = (x - min) / 60.;
   hour = x;
   fsec = 1000.0 * (sec - floor (sec));
-  sprintf(date,"%04d%02d%02d%02d%02d%02.0f%03.0f",(int) year,(int) month,(int) day,(int) hour,(int) min,floor(sec),fsec);
+  sprintf (date, "%04d%02d%02d%02d%02d%02.0f%03.0f", (int) year, (int) month,
+	   (int) day, (int) hour, (int) min, floor (sec), fsec);
 
   return;
 }
 
 // MJD to DOY
-double mjd2doy(double mjd,int *yr)
+double
+mjd2doy (double mjd, int *yr)
 {
   int year, month, k = 2;
   int day;
@@ -191,7 +210,8 @@ double mjd2doy(double mjd,int *yr)
   if (year % 4 == 0 && year % 400 != 0)
     k = 1;
 
-  doy=floor(275.0*month/9.0)-k*floor((month+9.0)/12.0)+day-30;
+  doy =
+    floor (275.0 * month / 9.0) - k * floor ((month + 9.0) / 12.0) + day - 30;
 
   *yr = year;
 
@@ -199,7 +219,8 @@ double mjd2doy(double mjd,int *yr)
 }
 
 // Convert Decimal into Sexagesimal
-void dec2s(double x,char *s,int type)
+void
+dec2s (double x, char *s, int type)
 {
   int i;
   double sec, deg, min, fmin;
@@ -226,7 +247,9 @@ void dec2s(double x,char *s,int type)
 }
 
 // Reduce point
-void reduce_point(struct observation *obs,struct fourframe img,float tmid,float x,float y)
+void
+reduce_point (struct observation *obs, struct fourframe img, float tmid,
+	      float x, float y)
 {
   int iframe, k;
   double ra, de, rx, ry;
@@ -261,7 +284,9 @@ void reduce_point(struct observation *obs,struct fourframe img,float tmid,float
   return;
 }
 
-void fit(struct observation *obs,struct fourframe ff,struct point *p,int np,int flag)
+void
+fit (struct observation *obs, struct fourframe ff, struct point *p, int np,
+     int flag)
 {
   int i, j, k, l, n, m;
   float *t, *dt, *x, *y, *w;
@@ -282,8 +307,10 @@ void fit(struct observation *obs,struct fourframe ff,struct point *p,int np,int
   w = (float *) malloc (sizeof (float) * n);
 
   // Fill
-  for (i=0,l=0;i<np;i++) {
+  for (i = 0, l = 0; i < np; i++)
-    if (p[i].flag==flag) {
+    {
+      if (p[i].flag == flag)
+	{
 	  x[l] = p[i].x;
 	  y[l] = p[i].y;
 	  w[l] = 1.0;
@@ -293,13 +320,19 @@ void fit(struct observation *obs,struct fourframe ff,struct point *p,int np,int
     }
 
   // Find limits in time
-  for (i=0;i<n;i++) {
+  for (i = 0; i < n; i++)
-    if (i==0) {
+    {
+      if (i == 0)
+	{
 	  tmin = t[i];
 	  tmax = t[i];
-    } else {
+	}
-      if (t[i]<tmin) tmin=t[i];
+      else
-      if (t[i]>tmax) tmax=t[i];
+	{
+	  if (t[i] < tmin)
+	    tmin = t[i];
+	  if (t[i] > tmax)
+	    tmax = t[i];
 	}
     }
   tmid = 0.5 * (tmin + tmax);
@@ -315,7 +348,8 @@ void fit(struct observation *obs,struct fourframe ff,struct point *p,int np,int
   chi2y = linear_fit (dt, y, w, n, ay, say);
 
   // Compute rms
-  for (i=0,rmsx=0.0,rmsy=0.0;i<n;i++) {
+  for (i = 0, rmsx = 0.0, rmsy = 0.0; i < n; i++)
+    {
       rmsx += pow (x[i] - (ax[0] + ax[1] * dt[i]), 2);
       rmsy += pow (y[i] - (ay[0] + ay[1] * dt[i]), 2);
     }
@@ -348,7 +382,8 @@ void fit(struct observation *obs,struct fourframe ff,struct point *p,int np,int
   return;
 }
 
-void format_iod_line(struct observation *obs)
+void
+format_iod_line (struct observation *obs)
 {
   int mt, xt, mp, xp;
   char string[10];
@@ -359,32 +394,29 @@ void format_iod_line(struct observation *obs)
   xt = atoi (string + 4) + 8;
 
   // Position format
-  if (obs->type==2) {
+  if (obs->type == 2)
+    {
       sprintf (string, "%7.1e", obs->perr);
       mp = string[0] - '0';
       xp = atoi (string + 4) + 8;
-  } else {
+    }
+  else
+    {
       printf ("Position format not implemented!\n");
     }
 
-  sprintf(obs->iod_line,"%05d %c%c %-6s %04d %c %-17s %d%d %d%d %-14s %d%d %c",
+  sprintf (obs->iod_line,
-	  obs->satno,
+	   "%05d %c%c %-6s %04d %c %-17s %d%d %d%d %-14s %d%d %c", obs->satno,
-	  obs->desig[0],obs->desig[1],
+	   obs->desig[0], obs->desig[1], obs->desig + 2, obs->cospar,
-	  obs->desig+2,
+	   obs->conditions, obs->nfd, mt, xt, obs->type, obs->epoch, obs->pos,
-	  obs->cospar,
+	   mp, xp, obs->behavior);
-	  obs->conditions,
-	  obs->nfd,
-	  mt,xt,
-	  obs->type,obs->epoch,
-	  obs->pos,
-	  mp,xp,
-	  obs->behavior);
 
   return;
 }
 
 // Read a line of maximum length int lim from file FILE into string s
-int fgetline(FILE *file,char *s,int lim)
+int
+fgetline (FILE * file, char *s, int lim)
 {
   int c, i = 0;
 
@@ -398,7 +430,8 @@ int fgetline(FILE *file,char *s,int lim)
   return i;
 }
 
-void find_designation(int satno0,char *desig0)
+void
+find_designation (int satno0, char *desig0)
 {
   FILE *file;
   int satno;
@@ -410,13 +443,16 @@ void find_designation(int satno0,char *desig0)
   sprintf (filename, "%s/data/desig.txt", env);
 
   file = fopen (filename, "r");
-  if (file==NULL) {
+  if (file == NULL)
+    {
       fprintf (stderr, "Designation file not found!\n");
       exit (0);
     }
-  while (!feof(file)) {
+  while (!feof (file))
+    {
       fscanf (file, "%d %s", &satno, desig);
-    if (satno==satno0) {
+      if (satno == satno0)
+	{
 	  strcpy (desig0, desig);
 	  break;
 	}
@@ -426,7 +462,9 @@ void find_designation(int satno0,char *desig0)
   return;
 }
 
-void identify_observation(struct observation *obs,char *fileroot,float drmin,float amin)
+void
+identify_observation (struct observation *obs, char *fileroot, float drmin,
+		      float amin)
 {
   FILE *file;
   float x0, y0, x1, y1, x, y, texp;
@@ -438,12 +476,15 @@ void identify_observation(struct observation *obs,char *fileroot,float drmin,flo
   // Open ID file
   sprintf (filename, "%s.id", fileroot);
   file = fopen (filename, "r");
-  if (file==NULL) {
+  if (file == NULL)
+    {
       fprintf (stderr, "ID file %s not found\n", filename);
       return;
     }
-  while (fgetline(file,line,LIM)>0) {
+  while (fgetline (file, line, LIM) > 0)
-    sscanf(line,"%s %f %f %f %f %f %d %s",nfd,&x0,&y0,&x1,&y1,&texp,&satno,catalog);
+    {
+      sscanf (line, "%s %f %f %f %f %f %d %s", nfd, &x0, &y0, &x1, &y1, &texp,
+	      &satno, catalog);
 
       // Predicted pixel rates
       dxdt = (x1 - x0) / texp;
@@ -463,7 +504,8 @@ void identify_observation(struct observation *obs,char *fileroot,float drmin,flo
 	angle = 0.0;
 
       // Identify
-    if (dr<drmin && angle<amin) {
+      if (dr < drmin && angle < amin)
+	{
 	  obs->satno = satno;
 	  if (strstr (catalog, "classfd.tle") != NULL)
 	    strcpy (obs->catalog, "classfd");
@@ -478,7 +520,8 @@ void identify_observation(struct observation *obs,char *fileroot,float drmin,flo
   return;
 }
 
-void write_observation(struct observation obs)
+void
+write_observation (struct observation obs)
 {
   FILE *file;
   char filename[LIM];
@@ -492,7 +535,8 @@ void write_observation(struct observation obs)
   return;
 }
 
-void overlay_predictions(char *fitsfile,struct fourframe ff)
+void
+overlay_predictions (char *fitsfile, struct fourframe ff)
 {
   float x0, y0, x1, y1, texp;
   int satno, isch;
@@ -506,12 +550,15 @@ void overlay_predictions(char *fitsfile,struct fourframe ff)
 
   // Open ID file
   file = fopen (filename, "r");
-  if (file==NULL) {
+  if (file == NULL)
+    {
       fprintf (stderr, "ID file %s not found\n", filename);
       return;
     }
-  while (fgetline(file,line,LIM)>0) {
+  while (fgetline (file, line, LIM) > 0)
-    sscanf(line,"%s %f %f %f %f %f %d %s",nfd,&x0,&y0,&x1,&y1,&texp,&satno,catalog);
+    {
+      sscanf (line, "%s %f %f %f %f %f %d %s", nfd, &x0, &y0, &x1, &y1, &texp,
+	      &satno, catalog);
 
       if (strstr (catalog, "classfd") != NULL)
 	cpgsci (4);
@@ -529,10 +576,12 @@ void overlay_predictions(char *fitsfile,struct fourframe ff)
       // plot text
       cpgsch (0.65);
       sprintf (text, " %05d", satno);
-    for (t=0.0;t<1.0;t+=0.1) {
+      for (t = 0.0; t < 1.0; t += 0.1)
+	{
 	  x = x0 + (x1 - x0) * t;
 	  y = y0 + (y1 - y0) * t;
-      if (x>0.0 && y>0.0 && x<ff.naxis1 && y<ff.naxis2) {
+	  if (x > 0.0 && y > 0.0 && x < ff.naxis1 && y < ff.naxis2)
+	    {
 	      cpgtext (x, y, text);
 	      break;
 	    }
@@ -547,7 +596,9 @@ void overlay_predictions(char *fitsfile,struct fourframe ff)
 }
 
 
-void accumulate(float *z,int nx,int ny,int nz,int *mask,int bx,int by,int bz,int nsel,int *zsel)
+void
+accumulate (float *z, int nx, int ny, int nz, int *mask, int bx, int by,
+	    int bz, int nsel, int *zsel)
 {
   int ix, iy, iz;
   int jx, jy, jz, k;
@@ -565,8 +616,10 @@ void accumulate(float *z,int nx,int ny,int nz,int *mask,int bx,int by,int bz,int
     c[ix] = 0;
 
   // Accumulate
-  for (ix=0;ix<nx;ix++) {
+  for (ix = 0; ix < nx; ix++)
-    for (iy=0;iy<ny;iy++) {
+    {
+      for (iy = 0; iy < ny; iy++)
+	{
 	  iz = (int) z[ix + nx * iy];
 	  jx = ix / bx;
 	  jy = iy / by;
@@ -578,8 +631,10 @@ void accumulate(float *z,int nx,int ny,int nz,int *mask,int bx,int by,int bz,int
     }
 
   // Apply mask
-  for (ix=0;ix<nx;ix++) {
+  for (ix = 0; ix < nx; ix++)
-    for (iy=0;iy<ny;iy++) {
+    {
+      for (iy = 0; iy < ny; iy++)
+	{
 	  iz = (int) z[ix + nx * iy];
 	  jx = ix / bx;
 	  jy = iy / by;
@@ -595,7 +650,8 @@ void accumulate(float *z,int nx,int ny,int nz,int *mask,int bx,int by,int bz,int
 }
 
 // RANSAC line finding
-void ransac(struct point *p,int np,float drmin)
+void
+ransac (struct point *p, int np, float drmin)
 {
   int i = 0, j, k, l, m, n, mmax;
   const gsl_rng_type *T;
@@ -611,16 +667,20 @@ void ransac(struct point *p,int np,float drmin)
   r = gsl_rng_alloc (T);
 
   // Loop over number of lines
-  for (i=1;i<=4;i++) {
+  for (i = 1; i <= 4; i++)
+    {
       // Number of iterations
-    for (l=0,mmax=0;l<10000;l++) {
+      for (l = 0, mmax = 0; l < 10000; l++)
+	{
 	  // Get random end points
-      for (;;) {
+	  for (;;)
+	    {
 	      i0 = (int) (np * gsl_rng_uniform (r));
 	      if (p[i0].flag == 0)
 		break;
 	    }
-      for (;;) {
+	  for (;;)
+	    {
 	      i1 = (int) (np * gsl_rng_uniform (r));
 	      if (p[i1].flag == 0)
 		break;
@@ -633,7 +693,8 @@ void ransac(struct point *p,int np,float drmin)
 	  by = p[i0].y - ay * p[i0].t;
 
 	  // Find matches
-      for (k=0,m=0;k<np;k++) {
+	  for (k = 0, m = 0; k < np; k++)
+	    {
 	      dx = bx + ax * p[k].t - p[k].x;
 	      dy = by + ay * p[k].t - p[k].y;
 	      dr = sqrt (dx * dx + dy * dy);
@@ -642,7 +703,8 @@ void ransac(struct point *p,int np,float drmin)
 	    }
 
 	  // Store
-      if (m>mmax) {
+	  if (m > mmax)
+	    {
 	      mmax = m;
 	      i0max = i0;
 	      i1max = i1;
@@ -656,7 +718,8 @@ void ransac(struct point *p,int np,float drmin)
       by = p[i0max].y - ay * p[i0max].t;
 
       // Find matches
-    for (k=0;k<np;k++) {
+      for (k = 0; k < np; k++)
+	{
 	  dx = bx + ax * p[k].t - p[k].x;
 	  dy = by + ay * p[k].t - p[k].y;
 	  dr = sqrt (dx * dx + dy * dy);
@@ -675,7 +738,8 @@ void ransac(struct point *p,int np,float drmin)
   return;
 }
 
-int main(int argc,char *argv[])
+int
+main (int argc, char *argv[])
 {
   int i, j, k, l, m, n, flag = 0, np, nline;
   struct fourframe ff;
@@ -700,9 +764,12 @@ int main(int argc,char *argv[])
   int year;
 
   // Decode options
-  if (argc>1) {
+  if (argc > 1)
-    while ((arg=getopt(argc,argv,"f:s:R:r:a:pn:"))!=-1) {
+    {
-      switch(arg) {
+      while ((arg = getopt (argc, argv, "f:s:R:r:a:pn:")) != -1)
+	{
+	  switch (arg)
+	    {
 
 	    case 'f':
 	      fitsfile = optarg;
@@ -733,7 +800,9 @@ int main(int argc,char *argv[])
 	      break;
 	    }
 	}
-  } else {
+    }
+  else
+    {
       return 0;
     }
 
@@ -743,9 +812,12 @@ int main(int argc,char *argv[])
   ff = read_fits (fitsfile);
 
   // Fill mask
-  if (ff.naxis1==720 && ff.naxis2==576) {
+  if (ff.naxis1 == 720 && ff.naxis2 == 576)
-    for (i=0;i<ff.naxis1;i++) {
+    {
-      for (j=0;j<ff.naxis2;j++) {
+      for (i = 0; i < ff.naxis1; i++)
+	{
+	  for (j = 0; j < ff.naxis2; j++)
+	    {
 	      k = i + ff.naxis1 * j;
 	      if (i < 10 || i > ff.naxis1 - 12 || j > ff.naxis2 - 1 || j < 1)
 		ff.mask[k] = 0;
@@ -759,12 +831,17 @@ int main(int argc,char *argv[])
     zsel[i] = 0;
 
   // Accumulate
-  if (ff.nframes==250) {
+  if (ff.nframes == 250)
+    {
       //    accumulate(ff.znum,ff.naxis1,ff.naxis2,ff.nframes,ff.mask,2,2,10,2,zsel);
-    accumulate(ff.znum,ff.naxis1,ff.naxis2,ff.nframes,ff.mask,4,4,10,8,zsel);
+      accumulate (ff.znum, ff.naxis1, ff.naxis2, ff.nframes, ff.mask, 4, 4,
-  } else if (ff.nframes==256) {
+		  10, 8, zsel);
+    }
+  else if (ff.nframes == 256)
+    {
       //    accumulate(ff.znum,ff.naxis1,ff.naxis2,ff.nframes,ff.mask,2,2,8,2,zsel);
-    accumulate(ff.znum,ff.naxis1,ff.naxis2,ff.nframes,ff.mask,4,4,16,6,zsel);
+      accumulate (ff.znum, ff.naxis1, ff.naxis2, ff.nframes, ff.mask, 4, 4,
+		  16, 6, zsel);
     }
 
   // Apply mask
@@ -773,17 +850,27 @@ int main(int argc,char *argv[])
       ff.zmax[i] = 0.0;
 
   // Plot
-  if (plot==1) {
+  if (plot == 1)
+    {
       cpgopen ("/xs");
       cpgpap (0., 1.0);
       cpgsvp (0.1, 0.95, 0.1, 0.8);
 
       cpgsch (0.8);
-    sprintf(text,"UT Date: %.23s  COSPAR ID: %04d",ff.nfd+1,ff.cospar);
+      sprintf (text, "UT Date: %.23s  COSPAR ID: %04d", ff.nfd + 1,
+	       ff.cospar);
       cpgmtxt ("T", 6.0, 0.0, 0.0, text);
-    sprintf(text,"R.A.: %10.5f (%4.1f'') Decl.: %10.5f (%4.1f'')",ff.ra0,ff.xrms,ff.de0,ff.yrms);
+      sprintf (text, "R.A.: %10.5f (%4.1f'') Decl.: %10.5f (%4.1f'')", ff.ra0,
+	       ff.xrms, ff.de0, ff.yrms);
       cpgmtxt ("T", 4.8, 0.0, 0.0, text);
-    sprintf(text,"FoV: %.2f\\(2218)x%.2f\\(2218) Scale: %.2f''x%.2f'' pix\\u-1\\d",ff.naxis1*sqrt(ff.a[1]*ff.a[1]+ff.b[1]*ff.b[1])/3600.0,ff.naxis2*sqrt(ff.a[2]*ff.a[2]+ff.b[2]*ff.b[2])/3600.0,sqrt(ff.a[1]*ff.a[1]+ff.b[1]*ff.b[1]),sqrt(ff.a[2]*ff.a[2]+ff.b[2]*ff.b[2]));
+      sprintf (text,
+	       "FoV: %.2f\\(2218)x%.2f\\(2218) Scale: %.2f''x%.2f'' pix\\u-1\\d",
+	       ff.naxis1 * sqrt (ff.a[1] * ff.a[1] +
+				 ff.b[1] * ff.b[1]) / 3600.0,
+	       ff.naxis2 * sqrt (ff.a[2] * ff.a[2] +
+				 ff.b[2] * ff.b[2]) / 3600.0,
+	       sqrt (ff.a[1] * ff.a[1] + ff.b[1] * ff.b[1]),
+	       sqrt (ff.a[2] * ff.a[2] + ff.b[2] * ff.b[2]));
       cpgmtxt ("T", 3.6, 0.0, 0.0, text);
 
       cpgsch (1.0);
@@ -792,7 +879,8 @@ int main(int argc,char *argv[])
 
       zmin = 0.0;
       zmax = 100.0;
-    cpgimag(ff.zmax,ff.naxis1,ff.naxis2,1,ff.naxis1,1,ff.naxis2,zmin,zmax,tr);
+      cpgimag (ff.zmax, ff.naxis1, ff.naxis2, 1, ff.naxis1, 1, ff.naxis2,
+	       zmin, zmax, tr);
       cpgbox ("BCTSNI", 0., 0, "BCTSNI", 0., 0);
       cpgstbg (1);
       overlay_predictions (fitsfile, ff);
@@ -815,10 +903,13 @@ int main(int argc,char *argv[])
   p = (struct point *) malloc (sizeof (struct point) * np);
 
   // Fill
-  for (i=0,l=0;i<ff.naxis1;i++) {
+  for (i = 0, l = 0; i < ff.naxis1; i++)
-    for (j=0;j<ff.naxis2;j++) {
+    {
+      for (j = 0; j < ff.naxis2; j++)
+	{
 	  k = i + ff.naxis1 * j;
-      if (zsel[k]>0) {
+	  if (zsel[k] > 0)
+	    {
 	      p[l].x = (float) i;
 	      p[l].y = (float) j;
 	      p[l].t = ff.dt[(int) ff.znum[k]];
@@ -832,7 +923,8 @@ int main(int argc,char *argv[])
   ransac (p, np, drmin);
 
   // Fit lines
-  for (l=1;l<=4;l++) {
+  for (l = 1; l <= 4; l++)
+    {
       // Default observation
       env = getenv ("ST_COSPAR");
       obs.satno = 99999;
@@ -866,9 +958,12 @@ int main(int argc,char *argv[])
       identify_observation (&obs, fitsfile, rmin, amin);
 
       // Find designation
-    if (obs.satno!=99999) {
+      if (obs.satno != 99999)
+	{
 	  find_designation (obs.satno, obs.desig);
-    } else {
+	}
+      else
+	{
 	  mjd = nfd2mjd (ff.nfd);
 	  doy = mjd2doy (mjd, &year);
 	  sprintf (obs.desig, "%02d%03.0lfA", year - 2000, doy + 500);
@@ -878,7 +973,8 @@ int main(int argc,char *argv[])
       format_iod_line (&obs);
 
       // Open file
-    if (flag==0) {
+      if (flag == 0)
+	{
 	  sprintf (filename, "%s.det", fitsfile);
 	  file = fopen (filename, "w");
 	  flag = 1;
@@ -886,14 +982,18 @@ int main(int argc,char *argv[])
 
       // Comment
       fprintf (file, "# %s : line %d, %d points\n", fitsfile, l, m);
-    fprintf(file,"# %7.2f %7.2f %5.2f %7.2f %7.2f %5.2f %7.2f %7.2f %5.2f\n",obs.x[0],obs.y[0],obs.t[0],obs.x[1],obs.y[1],obs.t[1],obs.x[2],obs.y[2],obs.t[2]);
+      fprintf (file,
+	       "# %7.2f %7.2f %5.2f %7.2f %7.2f %5.2f %7.2f %7.2f %5.2f\n",
+	       obs.x[0], obs.y[0], obs.t[0], obs.x[1], obs.y[1], obs.t[1],
+	       obs.x[2], obs.y[2], obs.t[2]);
       fprintf (file, "# %s\n", obs.catalog);
       fprintf (file, "%s\n", obs.iod_line);
       printf ("# %s : line %d, %d points\n", fitsfile, l, m);
       printf ("%s\n", obs.iod_line);
 
       // Plot observation
-    if (plot==1) {
+      if (plot == 1)
+	{
 	  cpgsci (5);
 	  sprintf (text, " %d: %05d", l, obs.satno);
 	  cpgsch (0.65);
@@ -927,7 +1027,8 @@ int main(int argc,char *argv[])
 }
 
 // Read fits fourframe
-struct fourframe read_fits(char *filename)
+struct fourframe
+read_fits (char *filename)
 {
   int i, j, k, l, m;
   qfitsloader ql;
@@ -969,7 +1070,8 @@ struct fourframe read_fits(char *filename)
 
   // Timestamps
   img.dt = (float *) malloc (sizeof (float) * img.nframes);
-  for (i=0;i<img.nframes;i++) {
+  for (i = 0; i < img.nframes; i++)
+    {
       sprintf (key, "DT%04d", i);
       img.dt[i] = atof (qfits_query_hdr (filename, key));
     }
@@ -994,7 +1096,8 @@ struct fourframe read_fits(char *filename)
   ql.filename = filename;
 
   // Loop over planes
-  for (k=0;k<img.naxis3;k++) {
+  for (k = 0; k < img.naxis3; k++)
+    {
       ql.pnum = k;
 
       // Initialize load
@@ -1006,16 +1109,27 @@ struct fourframe read_fits(char *filename)
 	printf ("Error loading actual data\n");
 
       // Fill z array
-    for (i=0,l=0;i<img.naxis1;i++) {
+      for (i = 0, l = 0; i < img.naxis1; i++)
-      for (j=0;j<img.naxis2;j++) {
+	{
-	if (k==1) img.zstd[l]=ql.fbuf[l];
+	  for (j = 0; j < img.naxis2; j++)
-	if (k==2) img.zmax[l]=ql.fbuf[l];
+	    {
-	if (k==3) img.znum[l]=ql.fbuf[l];
+	      if (k == 1)
-	if (img.naxis3==5) {
+		img.zstd[l] = ql.fbuf[l];
-	  if (k==0) img.ztrk[l]=ql.fbuf[l];
+	      if (k == 2)
-	  if (k==4) img.zavg[l]=ql.fbuf[l];
+		img.zmax[l] = ql.fbuf[l];
-	} else {
+	      if (k == 3)
-	  if (k==0) img.zavg[l]=ql.fbuf[l];
+		img.znum[l] = ql.fbuf[l];
+	      if (img.naxis3 == 5)
+		{
+		  if (k == 0)
+		    img.ztrk[l] = ql.fbuf[l];
+		  if (k == 4)
+		    img.zavg[l] = ql.fbuf[l];
+		}
+	      else
+		{
+		  if (k == 0)
+		    img.zavg[l] = ql.fbuf[l];
 		}
 
 	      l++;
@@ -1028,4 +1142,3 @@ struct fourframe read_fits(char *filename)
 
   return img;
 }
-

src/dsmin.c

@@ -7,14 +7,16 @@
 #define SWAP(a,b) {(a)+=(b);(b)=(a)-(b);(a)-=(b);}
 
 // Downhill Simplex Minimization
-int dsmin(double **p,double *y,int n,double ftol,double (*func)(double *))
+int
+dsmin (double **p, double *y, int n, double ftol, double (*func) (double *))
 {
   int i, j, nfunk = 0;
   int ihi, ilo, ise;
   double *ptry, *pmid, *psum;
   double tol, ytry, rtol, ysave;
   double *vector_sum (double **, int);
-  double dsmod(double **,double *,double *,int,double (*func)(double *),int,double);
+  double dsmod (double **, double *, double *, int, double (*func) (double *),
+		int, double);
 
   // Allocate memory
   psum = (double *) malloc (sizeof (double) * n);
@@ -27,26 +29,34 @@ int dsmin(double **p,double *y,int n,double ftol,double (*func)(double *))
   psum = vector_sum (p, n);
 
   // Start forever loop
-  for (;;) {
+  for (;;)
+    {
       // Find high and low point
       ilo = 0;
       ihi = (y[0] > y[1]) ? (ise = 1, 0) : (ise = 0, 1);
-    for (i=0;i<=n;i++) {
+      for (i = 0; i <= n; i++)
-      if (y[i]<=y[ilo]) ilo=i;
+	{
-      if (y[i]>y[ihi]) {
+	  if (y[i] <= y[ilo])
+	    ilo = i;
+	  if (y[i] > y[ihi])
+	    {
 	      ise = ihi;
 	      ihi = i;
-      } else if (y[i]>y[ise] && i!=ihi) ise=i;
+	    }
+	  else if (y[i] > y[ise] && i != ihi)
+	    ise = i;
 	}
 
       // Compute fractional range from highest to lowest point
-    rtol=2.0*fabs(y[ihi]-y[ilo])/(fabs(y[ihi])+fabs(y[ilo])+TINY);
+      rtol =
+	2.0 * fabs (y[ihi] - y[ilo]) / (fabs (y[ihi]) + fabs (y[ilo]) + TINY);
 
       // Return if fractional tolerance is acceptable
       if (rtol < ftol)
 	break;
 
-    if (nfunk>=NMAX) {
+      if (nfunk >= NMAX)
+	{
 	  printf ("dsmin: NMAX exceeded!\n");
 	  return -1;
 	}
@@ -57,12 +67,16 @@ int dsmin(double **p,double *y,int n,double ftol,double (*func)(double *))
 
       if (ytry <= y[ilo])	// Goes right direction, extrapolate by factor 2
 	ytry = dsmod (p, y, psum, n, func, ihi, 2.0);
-    else if (ytry>=y[ise]) { // 1D contraction
+      else if (ytry >= y[ise])
+	{			// 1D contraction
 	  ysave = y[ihi];
 	  ytry = dsmod (p, y, psum, n, func, ihi, 0.5);
-      if (ytry>=ysave) {
+	  if (ytry >= ysave)
-	for (i=0;i<=n;i++) {
+	    {
-	  if (i!=ilo) {
+	      for (i = 0; i <= n; i++)
+		{
+		  if (i != ilo)
+		    {
 		      for (j = 0; j < n; j++)
 			p[i][j] = psum[j] = 0.5 * (p[i][j] + p[ilo][j]);
 		      y[i] = (*func) (psum);
@@ -72,7 +86,9 @@ int dsmin(double **p,double *y,int n,double ftol,double (*func)(double *))
 
 	      psum = vector_sum (p, n);
 	    }
-    } else --nfunk;
+	}
+      else
+	--nfunk;
     }
   free (psum);
 
@@ -80,14 +96,16 @@ int dsmin(double **p,double *y,int n,double ftol,double (*func)(double *))
 }
 
 // Sum vectors
-double *vector_sum(double **p,int n)
+double *
+vector_sum (double **p, int n)
 {
   int i, j;
   double sum, *psum;
 
   psum = (double *) malloc (sizeof (double) * n);
 
-  for (i=0;i<n;i++) {
+  for (i = 0; i < n; i++)
+    {
       sum = 0.;
       for (j = 0; j <= n; j++)
 	sum += p[j][i];
@@ -98,7 +116,9 @@ double *vector_sum(double **p,int n)
 }
 
 // Simplex modification
-double dsmod(double **p,double *y,double *psum,int n,double (*func)(double *),int ihi,double fac)
+double
+dsmod (double **p, double *y, double *psum, int n, double (*func) (double *),
+       int ihi, double fac)
 {
   int i;
   double fac1, fac2, ytry, *ptry;
@@ -110,9 +130,11 @@ double dsmod(double **p,double *y,double *psum,int n,double (*func)(double *),in
   for (i = 0; i < n; i++)
     ptry[i] = psum[i] * fac1 - p[ihi][i] * fac2;
   ytry = (*func) (ptry);
-  if (ytry<y[ihi]) {
+  if (ytry < y[ihi])
+    {
       y[ihi] = ytry;
-    for (i=0;i<n;i++) {
+      for (i = 0; i < n; i++)
+	{
 	  psum[i] += ptry[i] - p[ihi][i];
 	  p[ihi][i] = ptry[i];
 	}

src/fakeiod.c

@@ -18,7 +18,8 @@ long Isat=0;
 long Isatsel = 0;
 extern double SGDP4_jd0;
 
-struct site {
+struct site
+{
   int id;
   double lng, lat;
   float alt;
@@ -30,14 +31,18 @@ double modulo(double x,double y);
 double gmst (double mjd);
 double dgmst (double mjd);
 double date2mjd (int year, int month, double day);
-void precess(double mjd0,double ra0,double de0,double mjd,double *ra,double *de);
+void precess (double mjd0, double ra0, double de0, double mjd, double *ra,
-void obspos_xyz(double mjd,double lng,double lat,float alt,xyz_t *pos,xyz_t *vel);
+	      double *de);
+void obspos_xyz (double mjd, double lng, double lat, float alt, xyz_t * pos,
+		 xyz_t * vel);
 void mjd2date (double mjd, char *date);
 double nfd2mjd (char *date);
 void dec2s (double x, char *s, int type);
 double doy2mjd (int year, double doy);
 
-void compute_position(double mjd,xyz_t satpos,struct site s,int satno,char *desig,int precess_flag) 
+void
+compute_position (double mjd, xyz_t satpos, struct site s, int satno,
+		  char *desig, int precess_flag)
 {
   char sra[15], sde[15], nfd[32];
   xyz_t obspos, obsvel;
@@ -58,9 +63,12 @@ void compute_position(double mjd,xyz_t satpos,struct site s,int satno,char *desi
   de = asin (dz / r) * R2D;
 
   // Precess position
-  if (precess_flag==1) {
+  if (precess_flag == 1)
+    {
       precess (mjd, ra, de, mjd0, &ra0, &de0);
-  } else {
+    }
+  else
+    {
       ra0 = ra;
       de0 = de;
     }
@@ -73,12 +81,14 @@ void compute_position(double mjd,xyz_t satpos,struct site s,int satno,char *desi
   mjd2date (mjd, nfd);
 
   // Format output
-  printf("%05d %.2s %-6s %04d G %s 17 25 %s%s 37 S\n",satno,desig,desig+2,s.id,nfd,sra,sde);
+  printf ("%05d %.2s %-6s %04d G %s 17 25 %s%s 37 S\n", satno, desig,
+	  desig + 2, s.id, nfd, sra, sde);
 
   return;
 }
 
-int main(int argc,char *argv[])
+int
+main (int argc, char *argv[])
 {
   int arg = 0, satno = 99999;
   struct site s;
@@ -93,15 +103,20 @@ int main(int argc,char *argv[])
 
   // Get site
   env = getenv ("ST_COSPAR");
-  if (env!=NULL) {
+  if (env != NULL)
+    {
       s = get_site (atoi (env));
-  } else {
+    }
+  else
+    {
       printf ("ST_COSPAR environment variable not found.\n");
     }
 
   // Decode options
-  while ((arg=getopt(argc,argv,"t:c:i:s:f:p:d:m:gP"))!=-1) {
+  while ((arg = getopt (argc, argv, "t:c:i:s:f:p:d:m:gP")) != -1)
-    switch (arg) {
+    {
+      switch (arg)
+	{
 
 	case 't':
 	  strcpy (nfd, optarg);
@@ -152,7 +167,8 @@ int main(int argc,char *argv[])
     }
 
   // Get start mjd for finding elset
-  if (usefile==1 && usepos==0) {
+  if (usefile == 1 && usepos == 0)
+    {
       file = fopen (fname, "r");
       fgetline (file, line, LIM);
       status = sscanf (line, "%lf", &mjd);
@@ -160,55 +176,76 @@ int main(int argc,char *argv[])
     }
 
   // Open catalog
-  if (usepos==0) {
+  if (usepos == 0)
+    {
       file = fopen (tlefile, "r");
       if (file == NULL)
 	fatal_error ("Failed to open %s\n", tlefile);
 
       // Read TLE
-    do {
+      do
+	{
 	  status = read_twoline (file, satno, &orb);
-    } while (doy2mjd(orb.ep_year,orb.ep_day)<mjd && status!=-1);
+	}
+      while (doy2mjd (orb.ep_year, orb.ep_day) < mjd && status != -1);
       fclose (file);
 
       // Check for match
-    if (orb.satno!=satno) {
+      if (orb.satno != satno)
+	{
 	  //    fprintf(stderr,"object %d not found in %s\n",p.satno,filename);
 	  return 0;
 	}
 
       // Initialize
       imode = init_sgdp4 (&orb);
-    if (imode==SGDP4_ERROR) {
+      if (imode == SGDP4_ERROR)
+	{
 	  fprintf (stderr, "Error initializing SGDP4\n");
 	  exit (0);
 	}
 
       // Compute
-    if (usefile==0) {
+      if (usefile == 0)
+	{
 	  satpos_xyz (mjd + 2400000.5, &satpos, &satvel);
-      compute_position(mjd,satpos,s,orb.satno,orb.desig,precess_flag);
+	  compute_position (mjd, satpos, s, orb.satno, orb.desig,
-    } else {
+			    precess_flag);
+	}
+      else
+	{
 
 	  file = fopen (fname, "r");
-      while (fgetline(file,line,LIM)>0) {
+	  while (fgetline (file, line, LIM) > 0)
+	    {
 	      status = sscanf (line, "%lf", &mjd);
 	      satpos_xyz (mjd + 2400000.5, &satpos, &satvel);
 	      strcpy (orb.desig, "14999A");	// FIX!
-	compute_position(mjd,satpos,s,orb.satno,orb.desig,precess_flag);
+	      compute_position (mjd, satpos, s, orb.satno, orb.desig,
+				precess_flag);
 	    }
 	  fclose (file);
 	}
-  } else {
+    }
+  else
+    {
       file = fopen (fname, "r");
-    while (fgetline(file,line,LIM)>0) {
+      while (fgetline (file, line, LIM) > 0)
+	{
 	  if (!isdigit (line[0]))
 	    continue;
-      if (line[10]=='T') {
+	  if (line[10] == 'T')
-	status=sscanf(line,"%s %lf %lf %lf",nfd,&satpos.x,&satpos.y,&satpos.z);
+	    {
+	      status =
+		sscanf (line, "%s %lf %lf %lf", nfd, &satpos.x, &satpos.y,
+			&satpos.z);
 	      mjd = nfd2mjd (nfd);
-      } else {
+	    }
-	status=sscanf(line,"%lf %lf %lf %lf",&mjd,&satpos.x,&satpos.y,&satpos.z);
+	  else
+	    {
+	      status =
+		sscanf (line, "%lf %lf %lf %lf", &mjd, &satpos.x, &satpos.y,
+			&satpos.z);
 	      if (gmat == 1)
 		mjd += 29999.5;
 	    }
@@ -220,7 +257,8 @@ int main(int argc,char *argv[])
 }
 
 // Get observing site
-struct site get_site(int site_id)
+struct site
+get_site (int site_id)
 {
   int i = 0;
   char line[LIM];
@@ -235,11 +273,13 @@ struct site get_site(int site_id)
   env = getenv ("ST_DATADIR");
   sprintf (filename, "%s/data/sites.txt", env);
   file = fopen (filename, "r");
-  if (file==NULL) {
+  if (file == NULL)
+    {
       printf ("File with site information not found!\n");
       return s;
     }
-  while (fgets(line,LIM,file)!=NULL) {
+  while (fgets (line, LIM, file) != NULL)
+    {
       // Skip
       if (strstr (line, "#") != NULL)
 	continue;
@@ -248,15 +288,15 @@ struct site get_site(int site_id)
       line[strlen (line) - 1] = '\0';
 
       // Read data
-    sscanf(line,"%4d %2s %lf %lf %f",
+      sscanf (line, "%4d %2s %lf %lf %f", &id, abbrev, &lat, &lng, &alt);
-	   &id,abbrev,&lat,&lng,&alt);
       strcpy (observer, line + 38);
 
       // Change to km
       alt /= 1000.0;
 
       // Copy site
-    if (id==site_id) {
+      if (id == site_id)
+	{
 	  s.lat = lat;
 	  s.lng = lng;
 	  s.alt = alt;
@@ -269,29 +309,36 @@ struct site get_site(int site_id)
 
   return s;
 }
+
 // Return x modulo y [0,y)
-double modulo(double x,double y)
+double
+modulo (double x, double y)
 {
   x = fmod (x, y);
-  if (x<0.0) x+=y;
+  if (x < 0.0)
+    x += y;
 
   return x;
 }
 
 // Greenwich Mean Sidereal Time
-double gmst(double mjd)
+double
+gmst (double mjd)
 {
   double t, gmst;
 
   t = (mjd - 51544.5) / 36525.0;
 
-  gmst=modulo(280.46061837+360.98564736629*(mjd-51544.5)+t*t*(0.000387933-t/38710000),360.0);
+  gmst =
+    modulo (280.46061837 + 360.98564736629 * (mjd - 51544.5) +
+	    t * t * (0.000387933 - t / 38710000), 360.0);
 
   return gmst;
 }
 
 // Greenwich Mean Sidereal Time
-double dgmst(double mjd)
+double
+dgmst (double mjd)
 {
   double t, dgmst;
 
@@ -303,7 +350,9 @@ double dgmst(double mjd)
 }
 
 // Observer position
-void obspos_xyz(double mjd,double lng,double lat,float alt,xyz_t *pos,xyz_t *vel)
+void
+obspos_xyz (double mjd, double lng, double lat, float alt, xyz_t * pos,
+	    xyz_t * vel)
 {
   double ff, gc, gs, theta, s, dtheta;
 
@@ -326,7 +375,9 @@ void obspos_xyz(double mjd,double lng,double lat,float alt,xyz_t *pos,xyz_t *vel
 }
 
 // Precess a celestial position
-void precess(double mjd0,double ra0,double de0,double mjd,double *ra,double *de)
+void
+precess (double mjd0, double ra0, double de0, double mjd, double *ra,
+	 double *de)
 {
   double t0, t;
   double zeta, z, theta;
@@ -367,7 +418,8 @@ void precess(double mjd0,double ra0,double de0,double mjd,double *ra,double *de)
 }
 
 // Read a line of maximum length int lim from file FILE into string s
-int fgetline(FILE *file,char *s,int lim)
+int
+fgetline (FILE * file, char *s, int lim)
 {
   int c, i = 0;
 
@@ -382,12 +434,14 @@ int fgetline(FILE *file,char *s,int lim)
 }
 
 // Compute Julian Day from Date
-double date2mjd(int year,int month,double day)
+double
+date2mjd (int year, int month, double day)
 {
   int a, b;
   double jd;
 
-  if (month<3) {
+  if (month < 3)
+    {
       year--;
       month += 12;
     }
@@ -395,17 +449,23 @@ double date2mjd(int year,int month,double day)
   a = floor (year / 100.);
   b = 2. - a + floor (a / 4.);
 
-  if (year<1582) b=0;
+  if (year < 1582)
-  if (year==1582 && month<10) b=0;
+    b = 0;
-  if (year==1582 && month==10 && day<=4) b=0;
+  if (year == 1582 && month < 10)
+    b = 0;
+  if (year == 1582 && month == 10 && day <= 4)
+    b = 0;
 
-  jd=floor(365.25*(year+4716))+floor(30.6001*(month+1))+day+b-1524.5;
+  jd =
+    floor (365.25 * (year + 4716)) + floor (30.6001 * (month + 1)) + day + b -
+    1524.5;
 
   return jd - 2400000.5;
 }
 
 // Compute Date from Julian Day
-void mjd2date(double mjd,char *date)
+void
+mjd2date (double mjd, char *date)
 {
   double f, jd, dday;
   int z, alpha, a, b, c, d, e;
@@ -420,7 +480,8 @@ void mjd2date(double mjd,char *date)
 
   if (z < 2299161)
     a = z;
-  else {
+  else
+    {
       alpha = floor ((z - 1867216.25) / 36524.25);
       a = z + 1 + alpha - floor (alpha / 4.);
     }
@@ -450,19 +511,22 @@ void mjd2date(double mjd,char *date)
   hour = x;
   sec = floor (1000.0 * sec) / 1000.0;
 
-  sprintf(date,"%04d%02d%02d%02d%02d%05.0f",year,month,day,hour,min,sec*1000);
+  sprintf (date, "%04d%02d%02d%02d%02d%05.0f", year, month, day, hour, min,
+	   sec * 1000);
 
   return;
 }
 
 // nfd2mjd
-double nfd2mjd(char *date)
+double
+nfd2mjd (char *date)
 {
   int year, month, day, hour, min;
   float sec;
   double mjd, dday;
 
-  sscanf(date,"%04d-%02d-%02dT%02d:%02d:%f",&year,&month,&day,&hour,&min,&sec);
+  sscanf (date, "%04d-%02d-%02dT%02d:%02d:%f", &year, &month, &day, &hour,
+	  &min, &sec);
   dday = day + hour / 24.0 + min / 1440.0 + sec / 86400.0;
 
   mjd = date2mjd (year, month, dday);
@@ -471,7 +535,8 @@ double nfd2mjd(char *date)
 }
 
 // Convert Decimal into Sexagesimal
-void dec2s(double x,char *s,int type)
+void
+dec2s (double x, char *s, int type)
 {
   int i;
   double sec, deg, min, fmin;
@@ -498,7 +563,8 @@ void dec2s(double x,char *s,int type)
 }
 
 // DOY to MJD
-double doy2mjd(int year,double doy)
+double
+doy2mjd (int year, double doy)
 {
   int month, k = 2;
   double day;
@@ -511,7 +577,9 @@ double doy2mjd(int year,double doy)
   if (doy < 32)
     month = 1;
 
-  day=doy-floor(275.0*month/9.0)+k*floor((month+9.0)/12.0)+30.0;
+  day =
+    doy - floor (275.0 * month / 9.0) + k * floor ((month + 9.0) / 12.0) +
+    30.0;
 
   return date2mjd (year, month, day);
 }

src/faketle.c

@@ -16,7 +16,8 @@
 #define D2R     M_PI/180.0
 
 extern double SGDP4_jd0;
-void orbit(orbit_t orb,float *aodp,float *perigee,float *apogee,float *period);
+void orbit (orbit_t orb, float *aodp, float *perigee, float *apogee,
+	    float *period);
 void format_tle (orbit_t orb, char *line1, char *line2);
 double mjd2doy (double mjd, int *yr);
 double nfd2mjd (char *date);
@@ -25,7 +26,8 @@ void mjd2date(double mjd,int *year,int *month,double *day);
 double gmst (double mjd);
 double modulo (double x, double y);
 
-void usage(void)
+void
+usage (void)
 {
   printf ("faketle q:Q:i:I:w:t:m:n:d:\n\n");
 
@@ -42,7 +44,8 @@ void usage(void)
   return;
 }
 
-int main(int argc,char *argv[])
+int
+main (int argc, char *argv[])
 {
   orbit_t orb;
   float aodp, perigee, apogee, period, dt = 0.0;
@@ -61,8 +64,10 @@ int main(int argc,char *argv[])
   orb.ep_year = 2013;
 
   // Decode options
-  while ((arg=getopt(argc,argv,"q:Q:i:I:w:t:m:n:hd:"))!=-1) {
+  while ((arg = getopt (argc, argv, "q:Q:i:I:w:t:m:n:hd:")) != -1)
-    switch(arg) {
+    {
+      switch (arg)
+	{
 	case 'q':
 	  perigee = atof (optarg);
 	  break;
@@ -126,7 +131,8 @@ int main(int argc,char *argv[])
   return 0;
 }
 
-void orbit(orbit_t orb,float *aodp,float *perigee,float *apogee,float *period)
+void
+orbit (orbit_t orb, float *aodp, float *perigee, float *apogee, float *period)
 {
   float xno, eo, xincl;
   float a1, betao2, betao, temp0, del1, a0, del0, xnodp;
@@ -153,30 +159,45 @@ void orbit(orbit_t orb,float *aodp,float *perigee,float *apogee,float *period)
 }
 
 // Format TLE
-void format_tle(orbit_t orb,char *line1,char *line2)
+void
+format_tle (orbit_t orb, char *line1, char *line2)
 {
   int i, csum;
   char sbstar[] = " 00000-0", bstar[13];
 
   // Format Bstar term
-  if (fabs(orb.bstar)>1e-9) {
+  if (fabs (orb.bstar) > 1e-9)
+    {
       sprintf (bstar, "%11.4e", 10 * orb.bstar);
-    sbstar[0] = bstar[0];  sbstar[1] = bstar[1];  sbstar[2] = bstar[3];  sbstar[3] = bstar[4];
+      sbstar[0] = bstar[0];
-    sbstar[4] = bstar[5];  sbstar[5] = bstar[6];  sbstar[6] = bstar[8];  sbstar[7] = bstar[10];  sbstar[8] = '\0';
+      sbstar[1] = bstar[1];
+      sbstar[2] = bstar[3];
+      sbstar[3] = bstar[4];
+      sbstar[4] = bstar[5];
+      sbstar[5] = bstar[6];
+      sbstar[6] = bstar[8];
+      sbstar[7] = bstar[10];
+      sbstar[8] = '\0';
     }
   // Print lines
-  sprintf(line1,"1 %05dU          %2d%012.8f  .00000000  00000-0 %8s 0    0",orb.satno,orb.ep_year-2000,orb.ep_day,sbstar);
+  sprintf (line1,
-  sprintf(line2,"2 %05d %8.4f %8.4f %07.0f %8.4f %8.4f %11.8f    0",orb.satno,DEG(orb.eqinc),DEG(orb.ascn),1E7*orb.ecc,DEG(orb.argp),DEG(orb.mnan),orb.rev);
+	   "1 %05dU          %2d%012.8f  .00000000  00000-0 %8s 0    0",
+	   orb.satno, orb.ep_year - 2000, orb.ep_day, sbstar);
+  sprintf (line2, "2 %05d %8.4f %8.4f %07.0f %8.4f %8.4f %11.8f    0",
+	   orb.satno, DEG (orb.eqinc), DEG (orb.ascn), 1E7 * orb.ecc,
+	   DEG (orb.argp), DEG (orb.mnan), orb.rev);
 
   // Compute checksums
-  for (i=0,csum=0;i<strlen(line1);i++) {
+  for (i = 0, csum = 0; i < strlen (line1); i++)
+    {
       if (isdigit (line1[i]))
 	csum += line1[i] - '0';
       else if (line1[i] == '-')
 	csum++;
     }
   sprintf (line1, "%s%d", line1, csum % 10);
-  for (i=0,csum=0;i<strlen(line2);i++) {
+  for (i = 0, csum = 0; i < strlen (line2); i++)
+    {
       if (isdigit (line2[i]))
 	csum += line2[i] - '0';
       else if (line2[i] == '-')
@@ -188,12 +209,14 @@ void format_tle(orbit_t orb,char *line1,char *line2)
 }
 
 // nfd2mjd
-double nfd2mjd(char *date)
+double
+nfd2mjd (char *date)
 {
   int year, month, day, hour, min, sec;
   double mjd, dday;
 
-  sscanf(date,"%04d-%02d-%02dT%02d:%02d:%02d",&year,&month,&day,&hour,&min,&sec);
+  sscanf (date, "%04d-%02d-%02dT%02d:%02d:%02d", &year, &month, &day, &hour,
+	  &min, &sec);
   dday = day + hour / 24.0 + min / 1440.0 + sec / 86400.0;
 
   mjd = date2mjd (year, month, dday);
@@ -202,12 +225,14 @@ double nfd2mjd(char *date)
 }
 
 // Compute Julian Day from Date
-double date2mjd(int year,int month,double day)
+double
+date2mjd (int year, int month, double day)
 {
   int a, b;
   double jd;
 
-  if (month<3) {
+  if (month < 3)
+    {
       year--;
       month += 12;
     }
@@ -215,17 +240,23 @@ double date2mjd(int year,int month,double day)
   a = floor (year / 100.);
   b = 2. - a + floor (a / 4.);
 
-  if (year<1582) b=0;
+  if (year < 1582)
-  if (year==1582 && month<10) b=0;
+    b = 0;
-  if (year==1582 && month==10 && day<=4) b=0;
+  if (year == 1582 && month < 10)
+    b = 0;
+  if (year == 1582 && month == 10 && day <= 4)
+    b = 0;
 
-  jd=floor(365.25*(year+4716))+floor(30.6001*(month+1))+day+b-1524.5;
+  jd =
+    floor (365.25 * (year + 4716)) + floor (30.6001 * (month + 1)) + day + b -
+    1524.5;
 
   return jd - 2400000.5;
 }
 
 // MJD to DOY
-double mjd2doy(double mjd,int *yr)
+double
+mjd2doy (double mjd, int *yr)
 {
   int year, month, k = 2;
   double day, doy;
@@ -235,7 +266,8 @@ double mjd2doy(double mjd,int *yr)
   if (year % 4 == 0 && year % 400 != 0)
     k = 1;
 
-  doy=floor(275.0*month/9.0)-k*floor((month+9.0)/12.0)+day-30;
+  doy =
+    floor (275.0 * month / 9.0) - k * floor ((month + 9.0) / 12.0) + day - 30;
 
   *yr = year;
 
@@ -243,7 +275,8 @@ double mjd2doy(double mjd,int *yr)
 }
 
 // Compute Date from Julian Day
-void mjd2date(double mjd,int *year,int *month,double *day)
+void
+mjd2date (double mjd, int *year, int *month, double *day)
 {
   double f, jd;
   int z, alpha, a, b, c, d, e;
@@ -256,7 +289,8 @@ void mjd2date(double mjd,int *year,int *month,double *day)
 
   if (z < 2299161)
     a = z;
-  else {
+  else
+    {
       alpha = floor ((z - 1867216.25) / 36524.25);
       a = z + 1 + alpha - floor (alpha / 4.);
     }
@@ -280,22 +314,27 @@ void mjd2date(double mjd,int *year,int *month,double *day)
 }
 
 // Greenwich Mean Sidereal Time
-double gmst(double mjd)
+double
+gmst (double mjd)
 {
   double t, gmst;
 
   t = (mjd - 51544.5) / 36525.0;
 
-  gmst=modulo(280.46061837+360.98564736629*(mjd-51544.5)+t*t*(0.000387933-t/38710000),360.0);
+  gmst =
+    modulo (280.46061837 + 360.98564736629 * (mjd - 51544.5) +
+	    t * t * (0.000387933 - t / 38710000), 360.0);
 
   return gmst;
 }
 
 // Return x modulo y [0,y)
-double modulo(double x,double y)
+double
+modulo (double x, double y)
 {
   x = fmod (x, y);
-  if (x<0.0) x+=y;
+  if (x < 0.0)
+    x += y;
 
   return x;
 }

src/ferror.c

@@ -7,7 +7,8 @@
 
 #include <stdarg.h>
 
-void fatal_error(const char *format, ...)
+void
+fatal_error (const char *format, ...)
 {
   va_list arg_ptr;
 

src/fitsheader.c

@@ -8,13 +8,15 @@
 int fgetline (FILE *, char *, int);
 void rtrim (char *);
 
-int main(int argc,char *argv[])
+int
+main (int argc, char *argv[])
 {
   char line[LIM];
   FILE *fitsfile;
 
   // Usage
-  if (argc<2) {
+  if (argc < 2)
+    {
       printf ("Usage: %s <fitsfile>\n", argv[0]);
       printf ("\n\nOutputs the header of <fitsfile>\n");
       return 1;
@@ -24,10 +26,12 @@ int main(int argc,char *argv[])
   fitsfile = fopen (argv[1], "r");
 
   // Loop over file and output
-  while (fgetline(fitsfile,line,LIM)>0) {
+  while (fgetline (fitsfile, line, LIM) > 0)
+    {
       rtrim (line);
       printf ("%s\n", line);
-    if (strcmp(line,"END")==0) break;
+      if (strcmp (line, "END") == 0)
+	break;
     }
 
   // Close file
@@ -37,7 +41,8 @@ int main(int argc,char *argv[])
 }
 
 // Read a line of maximum length int lim from file FILE into string s
-int fgetline(FILE *file,char *s,int lim)
+int
+fgetline (FILE * file, char *s, int lim)
 {
   int c, i = 0;
 
@@ -50,14 +55,16 @@ int fgetline(FILE *file,char *s,int lim)
 }
 
 // Removes trailing blanks from string s
-void rtrim(char *s)
+void
+rtrim (char *s)
 {
   int i, j = 0, n;
 
   n = strlen (s);
   for (i = n; i >= 0; i--)
     if (s[i] != '\0' && s[i] != '\n')
-      if (!isspace(s[i]) && j==0) j=i;
+      if (!isspace (s[i]) && j == 0)
+	j = i;
   s[++j] = '\0';
 
   return;

src/fitskey.c

@@ -4,29 +4,35 @@
 #include <ctype.h>
 #include "qfits.h"
 
-int main(int argc, char * argv[])
+int
+main (int argc, char *argv[])
 {
   int i;
   char keyword[FITS_LINESZ + 1];
   char *value;
 
   // Usage
-  if (argc<3) {
+  if (argc < 3)
+    {
       printf ("Usage: %s <filename> [ext] <key1> <key2> etc.\n", argv[0]);
       return 1;
     }
 
   // Check this is indeed a FITS file 
-  if (is_fits_file(argv[1])!=1) {
+  if (is_fits_file (argv[1]) != 1)
+    {
       printf ("%s is not a FITS file\n", argv[1]);
       return -1;
     }
 
   // Extension header?
-  if (atoi(argv[2])==0) {
+  if (atoi (argv[2]) == 0)
+    {
       for (i = 2; i < argc; i++)
 	printf ("%s ", qfits_query_hdr (argv[1], argv[i]));
-  } else {
+    }
+  else
+    {
       for (i = 3; i < argc; i++)
 	printf ("%s ", qfits_query_ext (argv[1], argv[i], atoi (argv[2])));
     }

src/forward.c

@@ -4,7 +4,8 @@
 #include <wcslib/cel.h>
 
 // Get a x and y from a RA and Decl
-void forward(double ra0,double de0,double ra,double de,double *x,double *y)
+void
+forward (double ra0, double de0, double ra, double de, double *x, double *y)
 {
   int i, status;
   double phi, theta;
@@ -19,7 +20,8 @@ void forward(double ra0,double de0,double ra,double de,double *x,double *y)
   cel.flag = 0.;
   strcpy (cel.prj.code, "STG");
 
-  if (celset(&cel)) {
+  if (celset (&cel))
+    {
       printf ("Error in Projection (celset)\n");
       return;
     }

src/geolon.c

@@ -14,7 +14,8 @@
 long Isat = 0;
 long Isatsel = 0;
 extern double SGDP4_jd0;
-struct map {
+struct map
+{
   long satno;
   double mjd;
   char nfd[LIM], tlefile[LIM], observer[32];
@@ -23,12 +24,14 @@ struct map {
 
 
 // Compute Julian Day from Date
-double date2mjd(int year,int month,double day)
+double
+date2mjd (int year, int month, double day)
 {
   int a, b;
   double jd;
 
-  if (month<3) {
+  if (month < 3)
+    {
       year--;
       month += 12;
     }
@@ -36,22 +39,29 @@ double date2mjd(int year,int month,double day)
   a = floor (year / 100.);
   b = 2. - a + floor (a / 4.);
 
-  if (year<1582) b=0;
+  if (year < 1582)
-  if (year==1582 && month<10) b=0;
+    b = 0;
-  if (year==1582 && month==10 && day<=4) b=0;
+  if (year == 1582 && month < 10)
+    b = 0;
+  if (year == 1582 && month == 10 && day <= 4)
+    b = 0;
 
-  jd=floor(365.25*(year+4716))+floor(30.6001*(month+1))+day+b-1524.5;
+  jd =
+    floor (365.25 * (year + 4716)) + floor (30.6001 * (month + 1)) + day + b -
+    1524.5;
 
   return jd - 2400000.5;
 }
 
 // nfd2mjd
-double nfd2mjd(char *date)
+double
+nfd2mjd (char *date)
 {
   int year, month, day, hour, min, sec;
   double mjd, dday;
 
-  sscanf(date,"%04d-%02d-%02dT%02d:%02d:%02d",&year,&month,&day,&hour,&min,&sec);
+  sscanf (date, "%04d-%02d-%02dT%02d:%02d:%02d", &year, &month, &day, &hour,
+	  &min, &sec);
   dday = day + hour / 24.0 + min / 1440.0 + sec / 86400.0;
 
   mjd = date2mjd (year, month, dday);
@@ -59,7 +69,8 @@ double nfd2mjd(char *date)
   return mjd;
 }
 
-void usage()
+void
+usage ()
 {
   printf ("Usage goes here.\n");
 
@@ -68,28 +79,34 @@ void usage()
 
 
 // Return x modulo y [0,y)
-double modulo(double x,double y)
+double
+modulo (double x, double y)
 {
   x = fmod (x, y);
-  if (x<0.0) x+=y;
+  if (x < 0.0)
+    x += y;
 
   return x;
 }
 
 // Greenwich Mean Sidereal Time
-double gmst(double mjd)
+double
+gmst (double mjd)
 {
   double t, gmst;
 
   t = (mjd - 51544.5) / 36525.0;
 
-  gmst=modulo(280.46061837+360.98564736629*(mjd-51544.5)+t*t*(0.000387933-t/38710000),360.0);
+  gmst =
+    modulo (280.46061837 + 360.98564736629 * (mjd - 51544.5) +
+	    t * t * (0.000387933 - t / 38710000), 360.0);
 
   return gmst;
 }
 
 // Present nfd
-void nfd_now(char *s)
+void
+nfd_now (char *s)
 {
   time_t rawtime;
   struct tm *ptm;
@@ -98,13 +115,16 @@ void nfd_now(char *s)
   time (&rawtime);
   ptm = gmtime (&rawtime);
 
-  sprintf(s,"%04d-%02d-%02dT%02d:%02d:%02d",ptm->tm_year+1900,ptm->tm_mon+1,ptm->tm_mday,ptm->tm_hour,ptm->tm_min,ptm->tm_sec);
+  sprintf (s, "%04d-%02d-%02dT%02d:%02d:%02d", ptm->tm_year + 1900,
+	   ptm->tm_mon + 1, ptm->tm_mday, ptm->tm_hour, ptm->tm_min,
+	   ptm->tm_sec);
 
   return;
 }
 
 // Compute longitude
-void compute_longitude(char *tlefile,long satno,double mjd)
+void
+compute_longitude (char *tlefile, long satno, double mjd)
 {
   FILE *fp = NULL;
   orbit_t orb;
@@ -118,10 +138,12 @@ void compute_longitude(char *tlefile,long satno,double mjd)
     fatal_error ("File open failed for reading \"%s\"", tlefile);
 
   // Loop over elements
-  while(read_twoline(fp, satno, &orb) == 0) {
+  while (read_twoline (fp, satno, &orb) == 0)
+    {
       Isat = orb.satno;
       imode = init_sgdp4 (&orb);
-    if(imode == SGDP4_ERROR) continue;
+      if (imode == SGDP4_ERROR)
+	continue;
 
       // Skip objects with mean motions outside of 0.8 to 1.2 revs/day
       if (orb.rev < 0.8 || orb.rev > 1.2)
@@ -137,7 +159,9 @@ void compute_longitude(char *tlefile,long satno,double mjd)
       h = gmst (mjd);
 
       // Celestial position
-    r=sqrt(satpos.x*satpos.x+satpos.y*satpos.y+satpos.z*satpos.z);
+      r =
+	sqrt (satpos.x * satpos.x + satpos.y * satpos.y +
+	      satpos.z * satpos.z);
       l = atan2 (satpos.y, satpos.x) * R2D;
       l = modulo (l - h, 360.0);
       b = asin (satpos.z / r) * R2D;
@@ -146,14 +170,16 @@ void compute_longitude(char *tlefile,long satno,double mjd)
       if (l < -180.0)
 	l += 360.0;
 
-    printf("%05d %10s %8.3lf %8.3lf %6.0lf\n",orb.satno,orb.desig,l,b,r-XKMPER);
+      printf ("%05d %10s %8.3lf %8.3lf %6.0lf\n", orb.satno, orb.desig, l, b,
+	      r - XKMPER);
     }
   fclose (fp);
 
   return;
 }
 
-int main(int argc,char *argv[])
+int
+main (int argc, char *argv[])
 {
   int arg = 0;
   long satno = 0;
@@ -165,9 +191,12 @@ int main(int argc,char *argv[])
 
 
   // Decode options
-  if (argc>1) {
+  if (argc > 1)
-    while ((arg=getopt(argc,argv,"t:c:i:h"))!=-1) {
+    {
-      switch (arg) {
+      while ((arg = getopt (argc, argv, "t:c:i:h")) != -1)
+	{
+	  switch (arg)
+	    {
 
 	    case 't':
 	      strcpy (nfd, optarg);
@@ -192,7 +221,9 @@ int main(int argc,char *argv[])
 	      return 0;
 	    }
 	}
-  } else {
+    }
+  else
+    {
       usage ();
       return 0;
     }

src/imgstat.c

@@ -8,7 +8,8 @@
 #define D2R M_PI/180.0
 #define R2D 180.0/M_PI
 
-struct image {
+struct image
+{
   char filename[64];
   int naxis1, naxis2;
   float *zavg;
@@ -20,7 +21,8 @@ struct image {
   char nfd[32];
   int cospar;
 };
-struct map {
+struct map
+{
   char datadir[LIM], observer[32];
   double lng, lat;
   float alt;
@@ -29,28 +31,35 @@ struct map {
 struct image read_fits (char *filename);
 
 // Return x modulo y [0,y)
-double modulo(double x,double y)
+double
+modulo (double x, double y)
 {
   x = fmod (x, y);
-  if (x<0.0) x+=y;
+  if (x < 0.0)
+    x += y;
 
   return x;
 }
 
 // Greenwich Mean Sidereal Time
-double gmst(double mjd)
+double
+gmst (double mjd)
 {
   double t, gmst;
 
   t = (mjd - 51544.5) / 36525.0;
 
-  gmst=modulo(280.46061837+360.98564736629*(mjd-51544.5)+t*t*(0.000387933-t/38710000),360.0);
+  gmst =
+    modulo (280.46061837 + 360.98564736629 * (mjd - 51544.5) +
+	    t * t * (0.000387933 - t / 38710000), 360.0);
 
   return gmst;
 }
 
 // Precess a celestial position
-void precess(double mjd0,double ra0,double de0,double mjd,double *ra,double *de)
+void
+precess (double mjd0, double ra0, double de0, double mjd, double *ra,
+	 double *de)
 {
   double t0, t;
   double zeta, z, theta;
@@ -91,7 +100,8 @@ void precess(double mjd0,double ra0,double de0,double mjd,double *ra,double *de)
 }
 
 // Get observing site
-void get_site(int site_id)
+void
+get_site (int site_id)
 {
   int i = 0;
   char line[LIM];
@@ -103,11 +113,13 @@ void get_site(int site_id)
 
   sprintf (filename, "%s/data/sites.txt", m.datadir);
   file = fopen (filename, "r");
-  if (file==NULL) {
+  if (file == NULL)
+    {
       printf ("File with site information not found!\n");
       return;
     }
-  while (fgets(line,LIM,file)!=NULL) {
+  while (fgets (line, LIM, file) != NULL)
+    {
       // Skip
       if (strstr (line, "#") != NULL)
 	continue;
@@ -116,14 +128,14 @@ void get_site(int site_id)
       line[strlen (line) - 1] = '\0';
 
       // Read data
-    sscanf(line,"%4d %2s %lf %lf %f",
+      sscanf (line, "%4d %2s %lf %lf %f", &id, abbrev, &lat, &lng, &alt);
-	   &id,abbrev,&lat,&lng,&alt);
       strcpy (observer, line + 38);
 
       // Change to km
       alt /= 1000.0;
 
-    if (id==site_id) {
+      if (id == site_id)
+	{
 	  m.lat = lat;
 	  m.lng = lng;
 	  m.alt = alt;
@@ -138,19 +150,28 @@ void get_site(int site_id)
 }
 
 // Convert equatorial into horizontal coordinates
-void equatorial2horizontal(double mjd,double ra,double de,double *azi,double *alt)
+void
+equatorial2horizontal (double mjd, double ra, double de, double *azi,
+		       double *alt)
 {
   double h;
 
   h = gmst (mjd) + m.lng - ra;
 
-  *azi=modulo(atan2(sin(h*D2R),cos(h*D2R)*sin(m.lat*D2R)-tan(de*D2R)*cos(m.lat*D2R))*R2D,360.0);
+  *azi =
-  *alt=asin(sin(m.lat*D2R)*sin(de*D2R)+cos(m.lat*D2R)*cos(de*D2R)*cos(h*D2R))*R2D;
+    modulo (atan2
+	    (sin (h * D2R),
+	     cos (h * D2R) * sin (m.lat * D2R) -
+	     tan (de * D2R) * cos (m.lat * D2R)) * R2D, 360.0);
+  *alt =
+    asin (sin (m.lat * D2R) * sin (de * D2R) +
+	  cos (m.lat * D2R) * cos (de * D2R) * cos (h * D2R)) * R2D;
 
   return;
 }
 
-int main(int argc,char *argv[])
+int
+main (int argc, char *argv[])
 {
   int i;
   struct image img;
@@ -160,9 +181,12 @@ int main(int argc,char *argv[])
 
   // Get environment variables
   env = getenv ("ST_DATADIR");
-  if (env!=NULL) {
+  if (env != NULL)
+    {
       strcpy (m.datadir, env);
-  } else {
+    }
+  else
+    {
       printf ("ST_DATADIR environment variable not found.\n");
     }
 
@@ -192,13 +216,16 @@ int main(int argc,char *argv[])
   // Get horizontal coordinates
   equatorial2horizontal (img.mjd, ra, de, &azi, &alt);
   azi = modulo (azi + 180, 360);
-  printf("%s %14.8lf %10.6f %10.6f %10.6f %10.6f %.2f %.2f %.1f %.1f\n",argv[1],img.mjd,img.ra0,img.de0,azi,alt,img.xrms,img.yrms,zavg,zstd);
+  printf ("%s %14.8lf %10.6f %10.6f %10.6f %10.6f %.2f %.2f %.1f %.1f\n",
+	  argv[1], img.mjd, img.ra0, img.de0, azi, alt, img.xrms, img.yrms,
+	  zavg, zstd);
 
   return 0;
 }
 
 // Read fits image
-struct image read_fits(char *filename)
+struct image
+read_fits (char *filename)
 {
   int i, j, k, l, m;
   qfitsloader ql;
@@ -261,8 +288,10 @@ struct image read_fits(char *filename)
     printf ("Error loading actual data\n");
 
   // Fill z array
-  for (i=0,l=0;i<img.naxis1;i++) {
+  for (i = 0, l = 0; i < img.naxis1; i++)
-    for (j=0;j<img.naxis2;j++) {
+    {
+      for (j = 0; j < img.naxis2; j++)
+	{
 	  img.zavg[l] = ql.fbuf[l];
 	  l++;
 	}
@@ -270,4 +299,3 @@ struct image read_fits(char *filename)
 
   return img;
 }
-

src/jpg2fits.c

@@ -7,7 +7,8 @@
 #include <libexif/exif-data.h>
 #include <getopt.h>
 
-struct image {
+struct image
+{
   int nx, ny, nz;
   float *z;
   double mjd;
@@ -22,7 +23,8 @@ double nfd2mjd(char *date);
 void mjd2nfd (double mjd, char *nfd);
 
 // Read fits image
-struct image read_fits(char *filename)
+struct image
+read_fits (char *filename)
 {
   int i, j, k, l, m;
   qfitsloader ql;
@@ -57,8 +59,10 @@ struct image read_fits(char *filename)
   img.z = (float *) malloc (sizeof (float) * img.nx * img.ny * img.nz);
 
   // Fill z array
-  for (i=0,l=0,m=0;i<img.nx;i++) {
+  for (i = 0, l = 0, m = 0; i < img.nx; i++)
-    for (j=0;j<img.ny;j++) {
+    {
+      for (j = 0; j < img.ny; j++)
+	{
 	  img.z[l] = ql.fbuf[l];
 	  l++;
 	}
@@ -68,7 +72,8 @@ struct image read_fits(char *filename)
 }
 
 
-struct image rebin(struct image raw,int nbin)
+struct image
+rebin (struct image raw, int nbin)
 {
   int i, j, k;
   int ii, jj, kk;
@@ -79,12 +84,16 @@ struct image rebin(struct image raw,int nbin)
   img.nz = 1;
   img.z = (float *) malloc (sizeof (float) * img.nx * img.ny * img.nz);
 
-  for (i=0;i<img.nx;i++) {
+  for (i = 0; i < img.nx; i++)
-    for (j=0;j<img.ny;j++) {
+    {
+      for (j = 0; j < img.ny; j++)
+	{
 	  k = i + img.nx * j;
 	  img.z[k] = 0.0;
-      for (ii=0;ii<nbin;ii++) {
+	  for (ii = 0; ii < nbin; ii++)
-	for (jj=0;jj<nbin;jj++) {
+	    {
+	      for (jj = 0; jj < nbin; jj++)
+		{
 		  kk = ii + nbin * i + raw.nx * (jj + nbin * j);
 		  img.z[k] += raw.z[kk];
 		}
@@ -101,7 +110,8 @@ struct image rebin(struct image raw,int nbin)
   return img;
 }
 
-void usage(void)
+void
+usage (void)
 {
   printf ("jpg2fits i:t:o:d:Z:c:T:O:b:hF\n\n");
   printf ("-i   input JPG file\n");
@@ -121,7 +131,8 @@ void usage(void)
   return;
 }
 
-int main(int argc,char *argv[])
+int
+main (int argc, char *argv[])
 {
   int arg;
   struct image img, raw;
@@ -133,9 +144,12 @@ int main(int argc,char *argv[])
   int flag = 0, nbin = 1, readfits = 0, tracked = 0;
 
   // Decode options
-  if (argc>1) {
+  if (argc > 1)
-    while ((arg=getopt(argc,argv,"i:t:o:d:Z:c:T:O:b:hFs"))!=-1) {
+    {
-      switch(arg) {
+      while ((arg = getopt (argc, argv, "i:t:o:d:Z:c:T:O:b:hFs")) != -1)
+	{
+	  switch (arg)
+	    {
 
 	    case 's':
 	      tracked = 1;
@@ -192,17 +206,23 @@ int main(int argc,char *argv[])
 
 	    }
 	}
-  } else {
+    }
+  else
+    {
       usage ();
     }
 
-  if (infile!=NULL) {
+  if (infile != NULL)
-    if (nbin==1) {
+    {
+      if (nbin == 1)
+	{
 	  if (readfits == 0)
 	    img = read_jpg (infile);
 	  else
 	    img = read_fits (infile);
-    } else {
+	}
+      else
+	{
 	  if (readfits == 0)
 	    raw = read_jpg (infile);
 	  else
@@ -217,7 +237,8 @@ int main(int argc,char *argv[])
   else
     img.tracked = 0;
 
-  if (nfd!=NULL) {
+  if (nfd != NULL)
+    {
       // Compute time
       mjd = nfd2mjd (nfd);
       mjd += (delay + tz) / 86400.0;
@@ -247,7 +268,8 @@ int main(int argc,char *argv[])
   return 0;
 }
 
-struct image read_jpg(char *filename)
+struct image
+read_jpg (char *filename)
 {
   int i = 0, j, k, l, m;
   unsigned long location = 0;
@@ -273,11 +295,15 @@ struct image read_jpg(char *filename)
   jpeg_start_decompress (&cinfo);
 
   // Allocate memory
-  raw_image=(unsigned char *) malloc(cinfo.output_width*cinfo.output_height*cinfo.num_components);
+  raw_image =
+    (unsigned char *) malloc (cinfo.output_width * cinfo.output_height *
+			      cinfo.num_components);
 
   // Read image, one scan at a time
-  row_pointer[0]=(unsigned char *) malloc(cinfo.output_width*cinfo.num_components);
+  row_pointer[0] =
-  while(cinfo.output_scanline<cinfo.image_height) {
+    (unsigned char *) malloc (cinfo.output_width * cinfo.num_components);
+  while (cinfo.output_scanline < cinfo.image_height)
+    {
       jpeg_read_scanlines (&cinfo, row_pointer, 1);
       for (i = 0; i < cinfo.image_width * cinfo.num_components; i++)
 	raw_image[location++] = row_pointer[0][i];
@@ -293,11 +319,14 @@ struct image read_jpg(char *filename)
   img.z = (float *) malloc (sizeof (float) * img.nx * img.ny * img.nz);
 
   // Fill image
-  for (i=0;i<img.nx;i++) {
+  for (i = 0; i < img.nx; i++)
-    for (j=0;j<img.ny;j++) {
+    {
+      for (j = 0; j < img.ny; j++)
+	{
 	  k = i + (img.ny - j - 1) * img.nx;
 	  img.z[k] = 0.0;
-      for (l=0;l<img.nz;l++) {
+	  for (l = 0; l < img.nz; l++)
+	    {
 	      m = img.nz * (i + img.nx * j) + l;
 	      img.z[k] += (float) raw_image[m];
 	    }
@@ -331,7 +360,8 @@ struct image read_jpg(char *filename)
 }
 
 // Write fits file
-void write_fits(struct image img,char *filename)
+void
+write_fits (struct image img, char *filename)
 {
   int i, j, k, l;
   int *ibuf;
@@ -402,8 +432,10 @@ void write_fits(struct image img,char *filename)
 
   // Fill buffer
   ibuf = malloc (img.nx * img.ny * sizeof (int));
-  for (i=0,l=0;i<img.nx;i++) {
+  for (i = 0, l = 0; i < img.nx; i++)
-    for (j=img.ny-1;j>=0;j--) {
+    {
+      for (j = img.ny - 1; j >= 0; j--)
+	{
 	  ibuf[l] = (int) img.z[l];
 
 	  l++;
@@ -426,12 +458,14 @@ void write_fits(struct image img,char *filename)
 }
 
 // Compute Julian Day from Date
-double date2mjd(int year,int month,double day)
+double
+date2mjd (int year, int month, double day)
 {
   int a, b;
   double jd;
 
-  if (month<3) {
+  if (month < 3)
+    {
       year--;
       month += 12;
     }
@@ -439,23 +473,30 @@ double date2mjd(int year,int month,double day)
   a = floor (year / 100.);
   b = 2. - a + floor (a / 4.);
 
-  if (year<1582) b=0;
+  if (year < 1582)
-  if (year==1582 && month<10) b=0;
+    b = 0;
-  if (year==1582 && month==10 && day<=4) b=0;
+  if (year == 1582 && month < 10)
+    b = 0;
+  if (year == 1582 && month == 10 && day <= 4)
+    b = 0;
 
-  jd=floor(365.25*(year+4716))+floor(30.6001*(month+1))+day+b-1524.5;
+  jd =
+    floor (365.25 * (year + 4716)) + floor (30.6001 * (month + 1)) + day + b -
+    1524.5;
 
   return jd - 2400000.5;
 }
 
 // nfd2mjd
-double nfd2mjd(char *date)
+double
+nfd2mjd (char *date)
 {
   int year, month, day, hour, min;
   float sec;
   double mjd, dday;
 
-  sscanf(date,"%04d-%02d-%02dT%02d:%02d:%f",&year,&month,&day,&hour,&min,&sec);
+  sscanf (date, "%04d-%02d-%02dT%02d:%02d:%f", &year, &month, &day, &hour,
+	  &min, &sec);
 
   dday = day + hour / 24.0 + min / 1440.0 + sec / 86400.0;
   mjd = date2mjd (year, month, dday);
@@ -464,7 +505,8 @@ double nfd2mjd(char *date)
 }
 
 // Compute Date from Julian Day
-void mjd2nfd(double mjd,char *nfd)
+void
+mjd2nfd (double mjd, char *nfd)
 {
   double f, jd, dday;
   int z, alpha, a, b, c, d, e;
@@ -479,7 +521,8 @@ void mjd2nfd(double mjd,char *nfd)
 
   if (z < 2299161)
     a = z;
-  else {
+  else
+    {
       alpha = floor ((z - 1867216.25) / 36524.25);
       a = z + 1 + alpha - floor (alpha / 4.);
     }
@@ -509,7 +552,8 @@ void mjd2nfd(double mjd,char *nfd)
   hour = x;
   sec = floor (1000.0 * sec) / 1000.0;
 
-  sprintf(nfd,"%04d-%02d-%02dT%02d:%02d:%06.3f",year,month,day,hour,min,sec);
+  sprintf (nfd, "%04d-%02d-%02dT%02d:%02d:%06.3f", year, month, day, hour,
+	   min, sec);
 
   return;
 }

src/jpgstack.c

@@ -6,7 +6,8 @@
 
 #define NMAX 1024
 
-struct image {
+struct image
+{
   int nx, ny, nz;
   float *z;
 };
@@ -14,29 +15,34 @@ struct image read_jpg(char *filename);
 void write_jpg (char *filename, struct image img);
 
 
-int main(int argc,char *argv[])
+int
+main (int argc, char *argv[])
 {
   int i, j, flag, n;
   struct image avg, max, raw;
 
-  for (flag=0,i=1,n=0;i<argc;i++,n++) {
+  for (flag = 0, i = 1, n = 0; i < argc; i++, n++)
+    {
       printf ("%d %s\n", i, argv[i]);
       // Read image
       raw = read_jpg (argv[i]);
 
       // If first image, initialize
-    if (flag==0) {
+      if (flag == 0)
+	{
 	  avg.nx = raw.nx;
 	  avg.ny = raw.ny;
 	  avg.nz = raw.nz;
-      avg.z=(float *) malloc(sizeof(float)*avg.nx*avg.ny*avg.nz);
+	  avg.z =
+	    (float *) malloc (sizeof (float) * avg.nx * avg.ny * avg.nz);
 	  for (j = 0; j < avg.nx * avg.ny * avg.nz; j++)
 	    avg.z[j] = 0.0;
 
 	  max.nx = raw.nx;
 	  max.ny = raw.ny;
 	  max.nz = raw.nz;
-      max.z=(float *) malloc(sizeof(float)*max.nx*max.ny*max.nz);
+	  max.z =
+	    (float *) malloc (sizeof (float) * max.nx * max.ny * max.nz);
 	  for (j = 0; j < max.nx * max.ny * max.nz; j++)
 	    max.z[j] = 0.0;
 
@@ -71,7 +77,8 @@ int main(int argc,char *argv[])
   return 0;
 }
 
-struct image read_jpg(char *filename)
+struct image
+read_jpg (char *filename)
 {
   int i = 0, j, k, l, m;
   unsigned long location = 0;
@@ -95,11 +102,15 @@ struct image read_jpg(char *filename)
   jpeg_start_decompress (&cinfo);
 
   // Allocate memory
-  raw_image=(unsigned char *) malloc(cinfo.output_width*cinfo.output_height*cinfo.num_components);
+  raw_image =
+    (unsigned char *) malloc (cinfo.output_width * cinfo.output_height *
+			      cinfo.num_components);
 
   // Read image, one scan at a time
-  row_pointer[0]=(unsigned char *) malloc(cinfo.output_width*cinfo.num_components);
+  row_pointer[0] =
-  while(cinfo.output_scanline<cinfo.image_height) {
+    (unsigned char *) malloc (cinfo.output_width * cinfo.num_components);
+  while (cinfo.output_scanline < cinfo.image_height)
+    {
       jpeg_read_scanlines (&cinfo, row_pointer, 1);
       for (i = 0; i < cinfo.image_width * cinfo.num_components; i++)
 	raw_image[location++] = row_pointer[0][i];
@@ -115,9 +126,12 @@ struct image read_jpg(char *filename)
   img.z = (float *) malloc (sizeof (float) * img.nx * img.ny * img.nz);
 
   // Fill image
-  for (i=0;i<img.nx;i++) {
+  for (i = 0; i < img.nx; i++)
-    for (j=0;j<img.ny;j++) {
+    {
-      for (k=0;k<img.nz;k++) {
+      for (j = 0; j < img.ny; j++)
+	{
+	  for (k = 0; k < img.nz; k++)
+	    {
 	      l = img.nz * (i + img.nx * j) + k;
 	      img.z[l] = (float) raw_image[l];
 	    }
@@ -135,7 +149,8 @@ struct image read_jpg(char *filename)
 }
 
 // Write jpg
-void write_jpg(char *filename,struct image img)
+void
+write_jpg (char *filename, struct image img)
 {
   int i, j, k, l, m;
   struct jpeg_compress_struct cinfo;
@@ -156,20 +171,28 @@ void write_jpg(char *filename,struct image img)
   jpeg_start_compress (&cinfo, TRUE);
 
   // Allocate memory
-  raw_image=(unsigned char *) malloc(cinfo.image_width*cinfo.image_height*cinfo.input_components);
+  raw_image =
+    (unsigned char *) malloc (cinfo.image_width * cinfo.image_height *
+			      cinfo.input_components);
 
   // Fill image
-  for (i=0;i<img.nx;i++) {
+  for (i = 0; i < img.nx; i++)
-    for (j=0;j<img.ny;j++) {
+    {
-      for (k=0;k<img.nz;k++) {
+      for (j = 0; j < img.ny; j++)
+	{
+	  for (k = 0; k < img.nz; k++)
+	    {
 	      l = img.nz * (i + img.nx * j) + k;
 	      raw_image[l] = (unsigned char) img.z[l];
 	    }
 	}
     }
 
-  while(cinfo.next_scanline<cinfo.image_height) {
+  while (cinfo.next_scanline < cinfo.image_height)
-    row_pointer[0]=&raw_image[cinfo.next_scanline*cinfo.image_width*cinfo.input_components];
+    {
+      row_pointer[0] =
+	&raw_image[cinfo.next_scanline * cinfo.image_width *
+		   cinfo.input_components];
       jpeg_write_scanlines (&cinfo, row_pointer, 1);
     }
   jpeg_finish_compress (&cinfo);

src/launchtle.c

@@ -16,12 +16,14 @@
 extern double SGDP4_jd0;
 
 // Compute Julian Day from Date
-double date2mjd(int year,int month,double day)
+double
+date2mjd (int year, int month, double day)
 {
   int a, b;
   double jd;
 
-  if (month<3) {
+  if (month < 3)
+    {
       year--;
       month += 12;
     }
@@ -29,22 +31,29 @@ double date2mjd(int year,int month,double day)
   a = floor (year / 100.);
   b = 2. - a + floor (a / 4.);
 
-  if (year<1582) b=0;
+  if (year < 1582)
-  if (year==1582 && month<10) b=0;
+    b = 0;
-  if (year==1582 && month==10 && day<=4) b=0;
+  if (year == 1582 && month < 10)
+    b = 0;
+  if (year == 1582 && month == 10 && day <= 4)
+    b = 0;
 
-  jd=floor(365.25*(year+4716))+floor(30.6001*(month+1))+day+b-1524.5;
+  jd =
+    floor (365.25 * (year + 4716)) + floor (30.6001 * (month + 1)) + day + b -
+    1524.5;
 
   return jd - 2400000.5;
 }
 
 // nfd2mjd
-double nfd2mjd(char *date)
+double
+nfd2mjd (char *date)
 {
   int year, month, day, hour, min, sec;
   double mjd, dday;
 
-  sscanf(date,"%04d-%02d-%02dT%02d:%02d:%02d",&year,&month,&day,&hour,&min,&sec);
+  sscanf (date, "%04d-%02d-%02dT%02d:%02d:%02d", &year, &month, &day, &hour,
+	  &min, &sec);
   dday = day + hour / 24.0 + min / 1440.0 + sec / 86400.0;
 
   mjd = date2mjd (year, month, dday);
@@ -53,16 +62,19 @@ double nfd2mjd(char *date)
 }
 
 // Return x modulo y [0,y)
-double modulo(double x,double y)
+double
+modulo (double x, double y)
 {
   x = fmod (x, y);
-  if (x<0.0) x+=y;
+  if (x < 0.0)
+    x += y;
 
   return x;
 }
 
 // DOY to MJD
-double doy2mjd(int year,double doy)
+double
+doy2mjd (int year, double doy)
 {
   int month, k = 2;
   double day;
@@ -75,25 +87,31 @@ double doy2mjd(int year,double doy)
   if (doy < 32.0)
     month = 1;
 
-  day=doy-floor(275.0*month/9.0)+k*floor((month+9.0)/12.0)+30.0;
+  day =
+    doy - floor (275.0 * month / 9.0) + k * floor ((month + 9.0) / 12.0) +
+    30.0;
 
   return date2mjd (year, month, day);
 }
 
 // Greenwich Mean Sidereal Time
-double gmst(double mjd)
+double
+gmst (double mjd)
 {
   double t, gmst;
 
   t = (mjd - 51544.5) / 36525.0;
 
-  gmst=modulo(280.46061837+360.98564736629*(mjd-51544.5)+t*t*(0.000387933-t/38710000),360.0);
+  gmst =
+    modulo (280.46061837 + 360.98564736629 * (mjd - 51544.5) +
+	    t * t * (0.000387933 - t / 38710000), 360.0);
 
   return gmst;
 }
 
 // Compute Date from Julian Day
-void mjd2date(double mjd,int *year,int *month,double *day)
+void
+mjd2date (double mjd, int *year, int *month, double *day)
 {
   double f, jd;
   int z, alpha, a, b, c, d, e;
@@ -106,7 +124,8 @@ void mjd2date(double mjd,int *year,int *month,double *day)
 
   if (z < 2299161)
     a = z;
-  else {
+  else
+    {
       alpha = floor ((z - 1867216.25) / 36524.25);
       a = z + 1 + alpha - floor (alpha / 4.);
     }
@@ -130,7 +149,8 @@ void mjd2date(double mjd,int *year,int *month,double *day)
 }
 
 // MJD to DOY
-double mjd2doy(double mjd,int *yr)
+double
+mjd2doy (double mjd, int *yr)
 {
   int year, month, k = 2;
   double day, doy;
@@ -140,7 +160,8 @@ double mjd2doy(double mjd,int *yr)
   if (year % 4 == 0 && year % 400 != 0)
     k = 1;
 
-  doy=floor(275.0*month/9.0)-k*floor((month+9.0)/12.0)+day-30;
+  doy =
+    floor (275.0 * month / 9.0) - k * floor ((month + 9.0) / 12.0) + day - 30;
 
   *yr = year;
 
@@ -148,30 +169,44 @@ double mjd2doy(double mjd,int *yr)
 }
 
 // Format TLE
-void format_tle(orbit_t orb,char *line1,char *line2)
+void
+format_tle (orbit_t orb, char *line1, char *line2)
 {
   int i, csum;
   char sbstar[] = " 00000-0", bstar[13];
 
   // Format Bstar term
-  if (fabs(orb.bstar)>1e-9) {
+  if (fabs (orb.bstar) > 1e-9)
+    {
       sprintf (bstar, "%11.4e", 10 * orb.bstar);
-    sbstar[0] = bstar[0];  sbstar[1] = bstar[1];  sbstar[2] = bstar[3];  sbstar[3] = bstar[4];
+      sbstar[0] = bstar[0];
-    sbstar[4] = bstar[5];  sbstar[5] = bstar[6];  sbstar[6] = bstar[8];  sbstar[7] = bstar[10];  sbstar[8] = '\0';
+      sbstar[1] = bstar[1];
+      sbstar[2] = bstar[3];
+      sbstar[3] = bstar[4];
+      sbstar[4] = bstar[5];
+      sbstar[5] = bstar[6];
+      sbstar[6] = bstar[8];
+      sbstar[7] = bstar[10];
+      sbstar[8] = '\0';
     }
   // Print lines
-  sprintf(line1,"1 %05dU %-8s %2d%012.8f  .00000000  00000-0 %8s 0    0",orb.satno,orb.desig,orb.ep_year-2000,orb.ep_day,sbstar);
+  sprintf (line1, "1 %05dU %-8s %2d%012.8f  .00000000  00000-0 %8s 0    0",
-  sprintf(line2,"2 %05d %8.4f %8.4f %07.0f %8.4f %8.4f %11.8f    0",orb.satno,DEG(orb.eqinc),DEG(orb.ascn),1E7*orb.ecc,DEG(orb.argp),DEG(orb.mnan),orb.rev);
+	   orb.satno, orb.desig, orb.ep_year - 2000, orb.ep_day, sbstar);
+  sprintf (line2, "2 %05d %8.4f %8.4f %07.0f %8.4f %8.4f %11.8f    0",
+	   orb.satno, DEG (orb.eqinc), DEG (orb.ascn), 1E7 * orb.ecc,
+	   DEG (orb.argp), DEG (orb.mnan), orb.rev);
 
   // Compute checksums
-  for (i=0,csum=0;i<strlen(line1);i++) {
+  for (i = 0, csum = 0; i < strlen (line1); i++)
+    {
       if (isdigit (line1[i]))
 	csum += line1[i] - '0';
       else if (line1[i] == '-')
 	csum++;
     }
   sprintf (line1, "%s%d", line1, csum % 10);
-  for (i=0,csum=0;i<strlen(line2);i++) {
+  for (i = 0, csum = 0; i < strlen (line2); i++)
+    {
       if (isdigit (line2[i]))
 	csum += line2[i] - '0';
       else if (line2[i] == '-')
@@ -182,15 +217,18 @@ void format_tle(orbit_t orb,char *line1,char *line2)
   return;
 }
 
-void usage(void)
+void
+usage (void)
 {
   printf ("launch tle c:i:t:T:I:d:\n\n");
-  printf("-c  reference tle\n-i  reference satno\n-t  reference launch time\n-T  launch time\n-I  output satno\n-d  output desig\n");
+  printf
+    ("-c  reference tle\n-i  reference satno\n-t  reference launch time\n-T  launch time\n-I  output satno\n-d  output desig\n");
 
   return;
 }
 
-int main(int argc,char *argv[])
+int
+main (int argc, char *argv[])
 {
   int arg = 0, satno = 0, satno1 = 84001;
   char tlefile[LIM];
@@ -206,8 +244,10 @@ int main(int argc,char *argv[])
   sprintf (tlefile, "%s/classfd.tle", env);
 
   // Decode options
-  while ((arg=getopt(argc,argv,"c:i:t:T:I:d:"))!=-1) {
+  while ((arg = getopt (argc, argv, "c:i:t:T:I:d:")) != -1)
-    switch (arg) {
+    {
+      switch (arg)
+	{
 
 	case 'c':
 	  strcpy (tlefile, optarg);

src/measure.c

@@ -13,12 +13,14 @@
 #define D2R M_PI/180.0
 #define R2D 180.0/M_PI
 
-struct star {
+struct star
+{
   double ra, de;
   float pmra, pmde;
   float mag;
 };
-struct image {
+struct image
+{
   int naxis1, naxis2, naxis3;
   float *z;
   float zmin, zmax;
@@ -31,13 +33,15 @@ struct image {
   char nfd[32], filename[32];
   int cospar, tracked;
 };
-struct catalog {
+struct catalog
+{
   int n;
   float x[NMAX], y[NMAX], mag[NMAX];
   double ra[NMAX], de[NMAX], rx[NMAX], ry[NMAX];
   int select[NMAX];
 };
-struct observation {
+struct observation
+{
   int satno, cospar;
   char desig[16], conditions, behavior;
   double mjd, ra, de;
@@ -48,15 +52,18 @@ struct observation {
   float x[3], y[3];
   int state;
 };
-struct aperture {
+struct aperture
+{
   float x, y, r1, r2;
 };
 struct image read_fits (char *filename, int pnum);
 int fgetline (FILE * file, char *s, int lim);
 int select_nearest (struct catalog c, float x, float y);
-void reverse(double ra0,double de0,double x,double y,double *ra,double *de);
+void reverse (double ra0, double de0, double x, double y, double *ra,
+	      double *de);
 
-void plot_defects(void)
+void
+plot_defects (void)
 {
   FILE *file;
   char *env, filename[128];
@@ -68,13 +75,15 @@ void plot_defects(void)
   sprintf (filename, "%s/data/defects.txt", env);
 
   file = fopen (filename, "r");
-  if (file==NULL) {
+  if (file == NULL)
+    {
       fprintf (stderr, "Defects file not found!\n");
       return;
     }
 
   cpgsci (7);
-  while (fgetline(file,line,LIM)>0) {
+  while (fgetline (file, line, LIM) > 0)
+    {
       sscanf (line, "%f %f", &x, &y);
 
       cpgpt1 (x, y, 19);
@@ -86,7 +95,8 @@ void plot_defects(void)
   return;
 }
 
-void log_defects(float x,float y)
+void
+log_defects (float x, float y)
 {
   FILE *file;
   char *env, filename[128];
@@ -96,7 +106,8 @@ void log_defects(float x,float y)
   sprintf (filename, "%s/data/defects.txt", env);
 
   file = fopen (filename, "a");
-  if (file==NULL) {
+  if (file == NULL)
+    {
       fprintf (stderr, "Defects file not found!\n");
       return;
     }
@@ -108,28 +119,34 @@ void log_defects(float x,float y)
 }
 
 // Return x modulo y [0,y)
-double modulo(double x,double y)
+double
+modulo (double x, double y)
 {
   x = fmod (x, y);
-  if (x<0.0) x+=y;
+  if (x < 0.0)
+    x += y;
 
   return x;
 }
 
 // Greenwich Mean Sidereal Time
-double gmst(double mjd)
+double
+gmst (double mjd)
 {
   double t, gmst;
 
   t = (mjd - 51544.5) / 36525.0;
 
-  gmst=modulo(280.46061837+360.98564736629*(mjd-51544.5)+t*t*(0.000387933-t/38710000),360.0);
+  gmst =
+    modulo (280.46061837 + 360.98564736629 * (mjd - 51544.5) +
+	    t * t * (0.000387933 - t / 38710000), 360.0);
 
   return gmst;
 }
 
 
-void plot_objects(char *filename)
+void
+plot_objects (char *filename)
 {
   int i;
   FILE *file;
@@ -140,8 +157,10 @@ void plot_objects(char *filename)
   file = fopen (filename, "r");
   if (file == NULL)
     return;
-  while (fgetline(file,line,LIM)>0) {
+  while (fgetline (file, line, LIM) > 0)
-    sscanf(line,"%s %f %f %f %f %f %d %s",dummy,&x0,&y0,&x1,&y1,&texp,&id,catalog);
+    {
+      sscanf (line, "%s %f %f %f %f %f %d %s", dummy, &x0, &y0, &x1, &y1,
+	      &texp, &id, catalog);
 
       cpgsci (0);
       if (strstr (catalog, "classfd") != NULL)
@@ -164,7 +183,8 @@ void plot_objects(char *filename)
 }
 
 // Compute Date from Julian Day
-void mjd2date(double mjd,char *date)
+void
+mjd2date (double mjd, char *date)
 {
   double f, jd, dday;
   int z, alpha, a, b, c, d, e;
@@ -179,7 +199,8 @@ void mjd2date(double mjd,char *date)
 
   if (z < 2299161)
     a = z;
-  else {
+  else
+    {
       alpha = floor ((z - 1867216.25) / 36524.25);
       a = z + 1 + alpha - floor (alpha / 4.);
     }
@@ -208,13 +229,15 @@ void mjd2date(double mjd,char *date)
   x = (x - min) / 60.;
   hour = x;
   fsec = floor (1000.0 * (sec - floor (sec)));
-  sprintf(date,"%04d%02d%02d%02d%02d%02.0f%03.0f",(int) year,(int) month,(int) day,(int) hour,(int) min,floor(sec),fsec);
+  sprintf (date, "%04d%02d%02d%02d%02d%02.0f%03.0f", (int) year, (int) month,
+	   (int) day, (int) hour, (int) min, floor (sec), fsec);
 
   return;
 }
 
 // Convert Decimal into Sexagesimal
-void dec2s(double x,char *s,int type)
+void
+dec2s (double x, char *s, int type)
 {
   int i;
   double sec, deg, min, fmin;
@@ -241,12 +264,14 @@ void dec2s(double x,char *s,int type)
 }
 
 // Compute Julian Day from Date
-double date2mjd(int year,int month,double day)
+double
+date2mjd (int year, int month, double day)
 {
   int a, b;
   double jd;
 
-  if (month<3) {
+  if (month < 3)
+    {
       year--;
       month += 12;
     }
@@ -254,17 +279,23 @@ double date2mjd(int year,int month,double day)
   a = floor (year / 100.);
   b = 2. - a + floor (a / 4.);
 
-  if (year<1582) b=0;
+  if (year < 1582)
-  if (year==1582 && month<10) b=0;
+    b = 0;
-  if (year==1582 && month==10 && day<=4) b=0;
+  if (year == 1582 && month < 10)
+    b = 0;
+  if (year == 1582 && month == 10 && day <= 4)
+    b = 0;
 
-  jd=floor(365.25*(year+4716))+floor(30.6001*(month+1))+day+b-1524.5;
+  jd =
+    floor (365.25 * (year + 4716)) + floor (30.6001 * (month + 1)) + day + b -
+    1524.5;
 
   return jd - 2400000.5;
 }
 
 // MJD to DOY
-double mjd2doy(double mjd,int *yr)
+double
+mjd2doy (double mjd, int *yr)
 {
   int year, month, k = 2;
   int day;
@@ -280,7 +311,8 @@ double mjd2doy(double mjd,int *yr)
   if (year % 4 == 0 && year % 400 != 0)
     k = 1;
 
-  doy=floor(275.0*month/9.0)-k*floor((month+9.0)/12.0)+day-30;
+  doy =
+    floor (275.0 * month / 9.0) - k * floor ((month + 9.0) / 12.0) + day - 30;
 
   *yr = year;
 
@@ -288,13 +320,15 @@ double mjd2doy(double mjd,int *yr)
 }
 
 // nfd2mjd
-double nfd2mjd(char *date)
+double
+nfd2mjd (char *date)
 {
   int year, month, day, hour, min;
   double mjd, dday;
   float sec;
 
-  sscanf(date,"'%04d-%02d-%02dT%02d:%02d:%f'",&year,&month,&day,&hour,&min,&sec);
+  sscanf (date, "'%04d-%02d-%02dT%02d:%02d:%f'", &year, &month, &day, &hour,
+	  &min, &sec);
 
   dday = day + hour / 24.0 + min / 1440.0 + sec / 86400.0;
   mjd = date2mjd (year, month, dday);
@@ -302,7 +336,8 @@ double nfd2mjd(char *date)
   return mjd;
 }
 
-void format_iod_line(struct observation *obs)
+void
+format_iod_line (struct observation *obs)
 {
   int mt, xt, mp, xp;
   char string[10];
@@ -313,31 +348,28 @@ void format_iod_line(struct observation *obs)
   xt = atoi (string + 4) + 8;
 
   // Position format
-  if (obs->type==2) {
+  if (obs->type == 2)
+    {
       sprintf (string, "%7.1e", obs->perr);
       mp = string[0] - '0';
       xp = atoi (string + 4) + 8;
-  } else {
+    }
+  else
+    {
       printf ("Position format not implemented!\n");
     }
 
-  sprintf(obs->iod_line,"%05d %c%c %-6s %04d %c %-17s %d%d %d%d %-14s %d%d %c",
+  sprintf (obs->iod_line,
-	  obs->satno,
+	   "%05d %c%c %-6s %04d %c %-17s %d%d %d%d %-14s %d%d %c", obs->satno,
-	  obs->desig[0],obs->desig[1],
+	   obs->desig[0], obs->desig[1], obs->desig + 2, obs->cospar,
-	  obs->desig+2,
+	   obs->conditions, obs->nfd, mt, xt, obs->type, obs->epoch, obs->pos,
-	  obs->cospar,
+	   mp, xp, obs->behavior);
-	  obs->conditions,
-	  obs->nfd,
-	  mt,xt,
-	  obs->type,obs->epoch,
-	  obs->pos,
-	  mp,xp,
-	  obs->behavior);
 
   return;
 }
 
-void find_designation(int satno0,char *desig0)
+void
+find_designation (int satno0, char *desig0)
 {
   FILE *file;
   int satno;
@@ -349,13 +381,16 @@ void find_designation(int satno0,char *desig0)
   sprintf (filename, "%s/data/desig.txt", env);
 
   file = fopen (filename, "r");
-  if (file==NULL) {
+  if (file == NULL)
+    {
       fprintf (stderr, "Designation file not found!\n");
       exit (0);
     }
-  while (!feof(file)) {
+  while (!feof (file))
+    {
       fscanf (file, "%d %s", &satno, desig);
-    if (satno==satno0) {
+      if (satno == satno0)
+	{
 	  strcpy (desig0, desig);
 	  break;
 	}
@@ -365,7 +400,8 @@ void find_designation(int satno0,char *desig0)
   return;
 }
 
-void write_observation(struct observation obs)
+void
+write_observation (struct observation obs)
 {
   FILE *file;
 
@@ -378,7 +414,8 @@ void write_observation(struct observation obs)
   return;
 }
 
-void aperture_photometry(struct image img,struct aperture ap)
+void
+aperture_photometry (struct image img, struct aperture ap)
 {
   int i, j, k, n1, n2;
   float s1, ss1, s2, ss2;
@@ -395,19 +432,24 @@ void aperture_photometry(struct image img,struct aperture ap)
   n1 = 0;
   n2 = 0;
 
-  for (i=0;i<img.naxis1;i++) {
+  for (i = 0; i < img.naxis1; i++)
+    {
       x = (float) i;
-    for (j=0;j<img.naxis2;j++) {
+      for (j = 0; j < img.naxis2; j++)
+	{
 	  k = i + img.naxis1 * j;
 	  y = (float) j;
 	  dx = x - ap.x;
 	  dy = y - ap.y;
 	  r = sqrt (dx * dx + dy * dy);
-      if (r<ap.r1) {
+	  if (r < ap.r1)
+	    {
 	      s1 += img.z[k];
 	      ss1 += img.z[k] * img.z[k];
 	      n1++;
-      } else if (r>=ap.r1 && r<ap.r2) {
+	    }
+	  else if (r >= ap.r1 && r < ap.r2)
+	    {
 	      s2 += img.z[k];
 	      ss2 += img.z[k] * img.z[k];
 	      n2++;
@@ -417,13 +459,16 @@ void aperture_photometry(struct image img,struct aperture ap)
   f1 = s1 / (float) n1;
   f2 = s2 / (float) n2;
 
-  printf("%lf %8.3f %8.3f %.0f %d %.0f %d %f\n",mjd,ap.x,ap.y,s1,n1,s2,n2,f1-f2);
+  printf ("%lf %8.3f %8.3f %.0f %d %.0f %d %f\n", mjd, ap.x, ap.y, s1, n1, s2,
+	  n2, f1 - f2);
 
   return;
 }
 
 // Reduce point
-void reduce_point(struct observation *obs,struct image img,float tmid,float x,float y)
+void
+reduce_point (struct observation *obs, struct image img, float tmid, float x,
+	      float y)
 {
   int iframe, k;
   double ra, de, rx, ry;
@@ -439,7 +484,8 @@ void reduce_point(struct observation *obs,struct image img,float tmid,float x,fl
   reverse (img.ra0, img.de0, rx, ry, &ra, &de);
 
   // Correct for stationary camera
-  if (img.tracked==0) {
+  if (img.tracked == 0)
+    {
       mjd1 = img.mjd + 0.5 * (double) img.exptime / 86400.0;
       mjd2 = img.mjd + (double) tmid / 86400.0;
       ra += gmst (mjd2) - gmst (mjd1);
@@ -459,7 +505,8 @@ void reduce_point(struct observation *obs,struct image img,float tmid,float x,fl
   return;
 }
 
-struct image maximum_image(struct image *raw,int n)
+struct image
+maximum_image (struct image *raw, int n)
 {
   int i, j, k, l;
   float max, s1, s2;
@@ -469,7 +516,8 @@ struct image maximum_image(struct image *raw,int n)
   img.naxis1 = raw[0].naxis1;
   img.naxis2 = raw[0].naxis2;
   img.z = (float *) malloc (sizeof (float) * img.naxis1 * img.naxis2);
-  for (i=0;i<img.naxis1*img.naxis2;i++) {
+  for (i = 0; i < img.naxis1 * img.naxis2; i++)
+    {
       for (j = 0, max = 0.0; j < n; j++)
 	if (raw[j].z[i] > max)
 	  max = raw[j].z[i];
@@ -496,7 +544,8 @@ struct image maximum_image(struct image *raw,int n)
   img.de0 = 0.0;
   img.x0 = 0.0;
   img.y0 = 0.0;
-  for (i=0;i<3;i++) {
+  for (i = 0; i < 3; i++)
+    {
       img.a[i] = 0.0;
       img.b[i] = 0.0;
     }
@@ -507,7 +556,8 @@ struct image maximum_image(struct image *raw,int n)
 }
 
 // Read pixel catalog
-struct catalog read_pixel_catalog(char *filename)
+struct catalog
+read_pixel_catalog (char *filename)
 {
   int i = 0;
   FILE *file;
@@ -516,11 +566,13 @@ struct catalog read_pixel_catalog(char *filename)
 
   // Read catalog
   file = fopen (filename, "r");
-  if (file==NULL) {
+  if (file == NULL)
+    {
       fprintf (stderr, "%s not found!\n", filename);
       exit (0);
     }
-  while (fgetline(file,line,LIM)>0) {
+  while (fgetline (file, line, LIM) > 0)
+    {
       if (i >= NMAX)
 	break;
       if (strstr (line, "#") != NULL)
@@ -535,7 +587,8 @@ struct catalog read_pixel_catalog(char *filename)
   return c;
 }
 
-int main(int argc,char *argv[])
+int
+main (int argc, char *argv[])
 {
   int i, iimg = 0, nimg;
   float xmin, xmax, ymin, ymax, zmin, zmax;
@@ -620,8 +673,10 @@ int main(int argc,char *argv[])
   ap.r2 = 10.0;
 
   // Forever loop
-  for (;;) {
+  for (;;)
-    if (redraw!=0) {
+    {
+      if (redraw != 0)
+	{
 	  if (redraw == 1)
 	    cpgpage ();
 	  cpgsci (1);
@@ -632,38 +687,62 @@ int main(int argc,char *argv[])
 	  cpgsfs (2);
 	  cpgctab (heat_l, heat_r, heat_g, heat_b, 5, 1.0, 0.5);
 
-      sprintf(text,"File %d: %s; UT Date: %.23s  COSPAR ID: %04d",iimg+1,img[iimg].filename,img[iimg].nfd+1,img[iimg].cospar);
+	  sprintf (text, "File %d: %s; UT Date: %.23s  COSPAR ID: %04d",
+		   iimg + 1, img[iimg].filename, img[iimg].nfd + 1,
+		   img[iimg].cospar);
 	  cpgmtxt ("T", 6.0, 0.0, 0.0, text);
-      sprintf(text,"R.A.: %10.5f (%4.1f'') Decl.: %10.5f (%4.1f'')",img[iimg].ra0,img[iimg].xrms,img[iimg].de0,img[iimg].yrms);
+	  sprintf (text, "R.A.: %10.5f (%4.1f'') Decl.: %10.5f (%4.1f'')",
+		   img[iimg].ra0, img[iimg].xrms, img[iimg].de0,
+		   img[iimg].yrms);
 	  cpgmtxt ("T", 4.8, 0.0, 0.0, text);
-      sprintf(text,"FoV: %.2f\\(2218)x%.2f\\(2218) Scale: %.2f''x%.2f'' pix\\u-1\\d Fraction: %.1f",img[iimg].naxis1*sqrt(img[iimg].a[1]*img[iimg].a[1]+img[iimg].b[1]*img[iimg].b[1])/3600.0,img[iimg].naxis2*sqrt(img[iimg].a[2]*img[iimg].a[2]+img[iimg].b[2]*img[iimg].b[2])/3600.0,sqrt(img[iimg].a[1]*img[iimg].a[1]+img[iimg].b[1]*img[iimg].b[1]),sqrt(img[iimg].a[2]*img[iimg].a[2]+img[iimg].b[2]*img[iimg].b[2]),frac);
+	  sprintf (text,
+		   "FoV: %.2f\\(2218)x%.2f\\(2218) Scale: %.2f''x%.2f'' pix\\u-1\\d Fraction: %.1f",
+		   img[iimg].naxis1 * sqrt (img[iimg].a[1] * img[iimg].a[1] +
+					    img[iimg].b[1] * img[iimg].b[1]) /
+		   3600.0,
+		   img[iimg].naxis2 * sqrt (img[iimg].a[2] * img[iimg].a[2] +
+					    img[iimg].b[2] * img[iimg].b[2]) /
+		   3600.0,
+		   sqrt (img[iimg].a[1] * img[iimg].a[1] +
+			 img[iimg].b[1] * img[iimg].b[1]),
+		   sqrt (img[iimg].a[2] * img[iimg].a[2] +
+			 img[iimg].b[2] * img[iimg].b[2]), frac);
 	  cpgmtxt ("T", 3.6, 0.0, 0.0, text);
 
 	  zmin = img[iimg].zmin;
 	  zmax = img[iimg].zmax;
 
-      cpgimag(img[iimg].z,img[iimg].naxis1,img[iimg].naxis2,1,img[iimg].naxis1,1,img[iimg].naxis2,zmin,zmax,tr);
+	  cpgimag (img[iimg].z, img[iimg].naxis1, img[iimg].naxis2, 1,
+		   img[iimg].naxis1, 1, img[iimg].naxis2, zmin, zmax, tr);
 	  cpgbox ("BCTSNI", 0., 0, "BCTSNI", 0., 0);
 
 	  // Plot fit
-      if (obs.state==1) {
+	  if (obs.state == 1)
+	    {
 	      cpgsci (4);
 	      cpgpt1 (obs.x[0], obs.y[0], 4);
 	      cpgmove (obs.x[1], obs.y[1]);
 	      cpgdraw (obs.x[2], obs.y[2]);
 	      cpgsci (1);
-      } else if (obs.state==2) {
+	    }
+	  else if (obs.state == 2)
+	    {
 	      cpgsci (4);
 	      cpgpt1 (obs.x[0], obs.y[0], 4);
 	      cpgsci (1);
 	    }
 
-      if (plotobj==1) {
+	  if (plotobj == 1)
-	if (iimg<nimg-1) {
+	    {
+	      if (iimg < nimg - 1)
+		{
 		  sprintf (idfile, "%s.id", img[iimg].filename);
 		  plot_objects (idfile);
-	} else if (iimg==nimg-1) {
+		}
-	  for (i=0;i<nimg-1;i++) {
+	      else if (iimg == nimg - 1)
+		{
+		  for (i = 0; i < nimg - 1; i++)
+		    {
 		      sprintf (idfile, "%s.id", img[i].filename);
 		      plot_objects (idfile);
 		    }
@@ -674,8 +753,10 @@ int main(int argc,char *argv[])
 	  cpgmtxt ("T", 1.0, 0.5, 0.5, obs.iod_line);
 
 	  // Read pixel catalog
-      if (plotcat==1) {
+	  if (plotcat == 1)
-	if (iimg<nimg-1) {
+	    {
+	      if (iimg < nimg - 1)
+		{
 		  sprintf (pixcat, "%s.cat", img[iimg].filename);
 		  cat = read_pixel_catalog (pixcat);
 
@@ -688,7 +769,8 @@ int main(int argc,char *argv[])
 	    }
 
 	  // Plot aperture
-      if (ap.x>0.0 && ap.y>0.0) {
+	  if (ap.x > 0.0 && ap.y > 0.0)
+	    {
 	      cpgsci (3);
 	      cpgcirc (ap.x, ap.y, ap.r1);
 	      cpgcirc (ap.x, ap.y, ap.r2);
@@ -708,7 +790,8 @@ int main(int argc,char *argv[])
 	break;
 
       // Change fraction
-    if (c=='e') {
+      if (c == 'e')
+	{
 	  if (frac > 0.49 && frac < 0.51)
 	    frac = 1.0;
 	  else if (frac > 0.51)
@@ -719,7 +802,8 @@ int main(int argc,char *argv[])
 	  redraw = 1;
 	}
 
-    if (c=='p' || c=='X') {
+      if (c == 'p' || c == 'X')
+	{
 	  if (plotobj == 1)
 	    plotobj = 0;
 	  else
@@ -728,13 +812,15 @@ int main(int argc,char *argv[])
 	}
 
       // Mark bad pixel
-    if (c=='t') {
+      if (c == 't')
+	{
 	  log_defects (x, y);
 	  redraw = 1;
 	}
 
       // Plot catalog
-    if (c=='l') {
+      if (c == 'l')
+	{
 	  if (plotcat == 1)
 	    plotcat = 0;
 	  else
@@ -743,7 +829,8 @@ int main(int argc,char *argv[])
 	}
 
       // Get designation
-    if (c=='d') {
+      if (c == 'd')
+	{
 	  printf ("Provide satellite number: ");
 	  scanf ("%d", &obs.satno);
 	  find_designation (obs.satno, obs.desig);
@@ -752,7 +839,8 @@ int main(int argc,char *argv[])
 	}
 
       // Center
-    if (c=='c') {
+      if (c == 'c')
+	{
 	  xmin = x - fx * width;
 	  xmax = x + fx * width;
 	  ymin = y - fy * width;
@@ -761,7 +849,8 @@ int main(int argc,char *argv[])
 	  continue;
 	}
 
-    if (isdigit(c)) {
+      if (isdigit (c))
+	{
 	  width = 1000.0 / (c - '0');
 	  xmin = x - fx * width;
 	  xmax = x + fx * width;
@@ -772,7 +861,8 @@ int main(int argc,char *argv[])
 	}
 
       // Cycle through images
-    if (c==']' || c=='s') {
+      if (c == ']' || c == 's')
+	{
 	  iimg++;
 	  if (iimg >= nimg - 1)
 	    iimg = 0;
@@ -784,7 +874,8 @@ int main(int argc,char *argv[])
 	}
 
       // Cycle through images
-    if (c=='[' || c=='a') {
+      if (c == '[' || c == 'a')
+	{
 	  iimg--;
 	  if (iimg < 0)
 	    iimg = nimg - 2;
@@ -796,14 +887,16 @@ int main(int argc,char *argv[])
 	}
 
       // Maximum image
-    if (c=='o') {
+      if (c == 'o')
+	{
 	  iimg = nimg - 1;
 	  redraw = 1;
 	  continue;
 	}
 
       // Cycle through image
-    if (c=='\t') {
+      if (c == '\t')
+	{
 	  printf ("%d %d\n", ix, iy);
 
 	  // Set area
@@ -817,11 +910,13 @@ int main(int argc,char *argv[])
 
 	  // Increment
 	  ix++;
-      if (width*ix>img[iimg].naxis1) {
+	  if (width * ix > img[iimg].naxis1)
+	    {
 	      ix = 0;
 	      iy++;
 	    }
-      if (width*iy>img[iimg].naxis2) {
+	  if (width * iy > img[iimg].naxis2)
+	    {
 	      ix = 0;
 	      iy = 0;
 	    }
@@ -832,7 +927,8 @@ int main(int argc,char *argv[])
 
 
       // Zoom
-    if (c=='z' || c=='+' || c=='=') {
+      if (c == 'z' || c == '+' || c == '=')
+	{
 	  width /= 1.5;
 	  xmin = x - fx * width;
 	  xmax = x + fx * width;
@@ -843,7 +939,8 @@ int main(int argc,char *argv[])
 	}
 
       // Unzoom
-    if (c=='x' || c=='-') {
+      if (c == 'x' || c == '-')
+	{
 	  width *= 1.5;
 	  xmin = x - fx * width;
 	  xmax = x + fx * width;
@@ -854,8 +951,11 @@ int main(int argc,char *argv[])
 	}
 
       // Reset
-    if (c=='r') {
+      if (c == 'r')
-      width=(img[iimg].naxis1>img[iimg].naxis2) ? img[iimg].naxis1 : img[iimg].naxis2;
+	{
+	  width =
+	    (img[iimg].naxis1 >
+	     img[iimg].naxis2) ? img[iimg].naxis1 : img[iimg].naxis2;
 	  xmin = 0.0;
 	  xmax = img[iimg].naxis1;
 	  ymin = 0.0;
@@ -865,8 +965,11 @@ int main(int argc,char *argv[])
 	}
 
       // Reset
-    if (c=='R') {
+      if (c == 'R')
-      width=(img[iimg].naxis1>img[iimg].naxis2) ? img[iimg].naxis1 : img[iimg].naxis2;
+	{
+	  width =
+	    (img[iimg].naxis1 >
+	     img[iimg].naxis2) ? img[iimg].naxis1 : img[iimg].naxis2;
 	  xmin = 0.0;
 	  xmax = img[iimg].naxis1;
 	  ymin = 0.0;
@@ -897,13 +1000,15 @@ int main(int argc,char *argv[])
 	}
 
       // Write obs
-    if (c=='w') {
+      if (c == 'w')
+	{
 	  write_observation (obs);
 	  continue;
 	}
 
       // Measure
-    if (c=='m' || c=='D') {
+      if (c == 'm' || c == 'D')
+	{
 	  //      istar=select_nearest(cat,x,y);
 	  //      printf("%f %f -> %f %f %f\n",x,y,cat.x[istar],cat.y[istar],cat.mag[istar]);
 	  reduce_point (&obs, img[iimg], frac * img[iimg].exptime, x, y);
@@ -915,7 +1020,8 @@ int main(int argc,char *argv[])
 	}
 
       // Aperture photometry
-    if (c=='g') {
+      if (c == 'g')
+	{
 	  ap.x = x;
 	  ap.y = y;
 	  aperture_photometry (img[iimg], ap);
@@ -924,9 +1030,11 @@ int main(int argc,char *argv[])
 	}
 
       // Help
-    if (c=='h') {
+      if (c == 'h')
+	{
 	  printf ("q         Quit\n");
-      printf("e         Change of exposure (0.0 = start, 0.5 = middle, 1.0 = end)\n");
+	  printf
+	    ("e         Change of exposure (0.0 = start, 0.5 = middle, 1.0 = end)\n");
 	  printf ("p (right) Plot objects\n");
 	  printf ("l         Plot star catalog\n");
 	  printf ("d         Set object NORAD designation\n");
@@ -954,7 +1062,8 @@ int main(int argc,char *argv[])
 }
 
 // Read fits image
-struct image read_fits(char *filename,int pnum)
+struct image
+read_fits (char *filename, int pnum)
 {
   int i, j, k, l, m;
   qfitsloader ql;
@@ -1019,8 +1128,10 @@ struct image read_fits(char *filename,int pnum)
   img.z = (float *) malloc (sizeof (float) * img.naxis1 * img.naxis2);
 
   // Fill z array
-  for (i=0,l=0,m=0;i<img.naxis1;i++) {
+  for (i = 0, l = 0, m = 0; i < img.naxis1; i++)
-    for (j=0;j<img.naxis2;j++) {
+    {
+      for (j = 0; j < img.naxis2; j++)
+	{
 	  img.z[l] = ql.fbuf[l];
 	  l++;
 	}
@@ -1041,7 +1152,8 @@ struct image read_fits(char *filename,int pnum)
 
 
 // Read a line of maximum length int lim from file FILE into string s
-int fgetline(FILE *file,char *s,int lim)
+int
+fgetline (FILE * file, char *s, int lim)
 {
   int c, i = 0;
 
@@ -1055,14 +1167,17 @@ int fgetline(FILE *file,char *s,int lim)
 
 
 // Select nearest object
-int select_nearest(struct catalog c,float x,float y)
+int
+select_nearest (struct catalog c, float x, float y)
 {
   int i, imin;
   float r, rmin;
 
-  for (i=0;i<c.n;i++) {
+  for (i = 0; i < c.n; i++)
+    {
       r = sqrt (pow (x - c.x[i], 2) + pow (y - c.y[i], 2));
-    if (i==0 || r<rmin) {
+      if (i == 0 || r < rmin)
+	{
 	  imin = i;
 	  rmin = r;
 	}
@@ -1070,4 +1185,3 @@ int select_nearest(struct catalog c,float x,float y)
 
   return imin;
 }
-

src/mvtle.c

@@ -8,7 +8,8 @@
 #include "satutl.h"
 
 // Read a line of maximum length int lim from file FILE into string s
-int fgetline(FILE *file,char *s,int lim)
+int
+fgetline (FILE * file, char *s, int lim)
 {
   int c, i = 0;
 
@@ -21,30 +22,44 @@ int fgetline(FILE *file,char *s,int lim)
 }
 
 // Format TLE
-void format_tle(orbit_t orb,char *line1,char *line2)
+void
+format_tle (orbit_t orb, char *line1, char *line2)
 {
   int i, csum;
   char sbstar[] = " 00000-0", bstar[13];
 
   // Format Bstar term
-  if (fabs(orb.bstar)>1e-9) {
+  if (fabs (orb.bstar) > 1e-9)
+    {
       sprintf (bstar, "%11.4e", 10 * orb.bstar);
-    sbstar[0] = bstar[0];  sbstar[1] = bstar[1];  sbstar[2] = bstar[3];  sbstar[3] = bstar[4];
+      sbstar[0] = bstar[0];
-    sbstar[4] = bstar[5];  sbstar[5] = bstar[6];  sbstar[6] = bstar[8];  sbstar[7] = bstar[10];  sbstar[8] = '\0';
+      sbstar[1] = bstar[1];
+      sbstar[2] = bstar[3];
+      sbstar[3] = bstar[4];
+      sbstar[4] = bstar[5];
+      sbstar[5] = bstar[6];
+      sbstar[6] = bstar[8];
+      sbstar[7] = bstar[10];
+      sbstar[8] = '\0';
     }
   // Print lines
-  sprintf(line1,"1 %05dU %-8s %2d%012.8f  .00000000  00000-0 %8s 0    0",orb.satno,orb.desig,orb.ep_year-2000,orb.ep_day,sbstar);
+  sprintf (line1, "1 %05dU %-8s %2d%012.8f  .00000000  00000-0 %8s 0    0",
-  sprintf(line2,"2 %05d %8.4f %8.4f %07.0f %8.4f %8.4f %11.8f%5ld",orb.satno,DEG(orb.eqinc),DEG(orb.ascn),1E7*orb.ecc,DEG(orb.argp),DEG(orb.mnan),orb.rev,orb.norb);
+	   orb.satno, orb.desig, orb.ep_year - 2000, orb.ep_day, sbstar);
+  sprintf (line2, "2 %05d %8.4f %8.4f %07.0f %8.4f %8.4f %11.8f%5ld",
+	   orb.satno, DEG (orb.eqinc), DEG (orb.ascn), 1E7 * orb.ecc,
+	   DEG (orb.argp), DEG (orb.mnan), orb.rev, orb.norb);
 
   // Compute checksums
-  for (i=0,csum=0;i<strlen(line1);i++) {
+  for (i = 0, csum = 0; i < strlen (line1); i++)
+    {
       if (isdigit (line1[i]))
 	csum += line1[i] - '0';
       else if (line1[i] == '-')
 	csum++;
     }
   sprintf (line1, "%s%d", line1, csum % 10);
-  for (i=0,csum=0;i<strlen(line2);i++) {
+  for (i = 0, csum = 0; i < strlen (line2); i++)
+    {
       if (isdigit (line2[i]))
 	csum += line2[i] - '0';
       else if (line2[i] == '-')
@@ -55,21 +70,25 @@ void format_tle(orbit_t orb,char *line1,char *line2)
   return;
 }
 
-void usage(void)
+void
+usage (void)
 {
   // while ((arg=getopt(argc,argv,"c:i:I:D:N:h"))!=-1) {
-  printf("Usage: mvtle -i OLD_NORAD_ID -I NEW_NORAD_ID -d COSPAR_ID [-N SATELLITE_NAME] [-h]\n\n");
+  printf
+    ("Usage: mvtle -i OLD_NORAD_ID -I NEW_NORAD_ID -d COSPAR_ID [-N SATELLITE_NAME] [-h]\n\n");
   printf ("Arguments:\n");
   printf ("-i OLD_NORAD_ID     Old Satellite Catalog Number (NORAD ID)\n");
   printf ("-i NEW_NORAD_ID     New Satellite Catalog Number (NORAD ID)\n");
   printf ("-d COSPAR_ID        International Designator (COSPAR ID)\n");
-  printf("-N SATELLITE_NAME   (New) Satellite Name / TLE Line 0, default: ''\n");
+  printf
+    ("-N SATELLITE_NAME   (New) Satellite Name / TLE Line 0, default: ''\n");
   printf ("-h                  This help\n");
 
   return;
 }
 
-int main(int argc,char *argv[])
+int
+main (int argc, char *argv[])
 {
   int arg = 0;
   char *tlefile;
@@ -79,8 +98,10 @@ int main(int argc,char *argv[])
   FILE *file;
 
   // Decode options
-  while ((arg=getopt(argc,argv,"c:i:I:D:N:h"))!=-1) {
+  while ((arg = getopt (argc, argv, "c:i:I:D:N:h")) != -1)
-    switch (arg) {
+    {
+      switch (arg)
+	{
 
 	case 'c':
 	  tlefile = optarg;
@@ -121,7 +142,8 @@ int main(int argc,char *argv[])
     fatal_error ("File open failed for reading \"%s\"", tlefile);
 
   // Loop over file
-  while (read_twoline(file,satno,&orb)==0) {
+  while (read_twoline (file, satno, &orb) == 0)
+    {
       // Adjust changes
       if (satno_new != 0)
 	orb.satno = satno_new;

src/normal.c

@@ -19,28 +19,33 @@
 extern double SGDP4_jd0;
 
 // Dot product
-float dot(xyz_t a,xyz_t b)
+float
+dot (xyz_t a, xyz_t b)
 {
   return a.x * b.x + a.y * b.y + a.z * b.z;
 }
 
 // Return x modulo y [0,y)
-double modulo(double x,double y)
+double
+modulo (double x, double y)
 {
   x = fmod (x, y);
-  if (x<0.0) x+=y;
+  if (x < 0.0)
+    x += y;
 
   return x;
 }
 
 // Magnitude
-double magnitude(xyz_t a)
+double
+magnitude (xyz_t a)
 {
   return sqrt (dot (a, a));
 }
 
 // Cross product
-xyz_t cross(xyz_t a,xyz_t b)
+xyz_t
+cross (xyz_t a, xyz_t b)
 {
   xyz_t c;
 
@@ -52,7 +57,8 @@ xyz_t cross(xyz_t a,xyz_t b)
 }
 
 // Compute Date from Julian Day
-void mjd2date(double mjd,int *year,int *month,double *day)
+void
+mjd2date (double mjd, int *year, int *month, double *day)
 {
   double f, jd;
   int z, alpha, a, b, c, d, e;
@@ -65,7 +71,8 @@ void mjd2date(double mjd,int *year,int *month,double *day)
 
   if (z < 2299161)
     a = z;
-  else {
+  else
+    {
       alpha = floor ((z - 1867216.25) / 36524.25);
       a = z + 1 + alpha - floor (alpha / 4.);
     }
@@ -89,7 +96,8 @@ void mjd2date(double mjd,int *year,int *month,double *day)
 }
 
 // MJD to DOY
-double mjd2doy(double mjd,int *yr)
+double
+mjd2doy (double mjd, int *yr)
 {
   int year, month, k = 2;
   double day, doy;
@@ -99,7 +107,8 @@ double mjd2doy(double mjd,int *yr)
   if (year % 4 == 0 && year % 400 != 0)
     k = 1;
 
-  doy=floor(275.0*month/9.0)-k*floor((month+9.0)/12.0)+day-30;
+  doy =
+    floor (275.0 * month / 9.0) - k * floor ((month + 9.0) / 12.0) + day - 30;
 
   *yr = year;
 
@@ -107,7 +116,8 @@ double mjd2doy(double mjd,int *yr)
 }
 
 // Clasical elements
-orbit_t classel(int ep_year,double ep_day,xyz_t r,xyz_t v)
+orbit_t
+classel (int ep_year, double ep_day, xyz_t r, xyz_t v)
 {
   int i;
   double rm, vm, vm2, rvm, mu = 1.0;;
@@ -154,7 +164,8 @@ orbit_t classel(int ep_year,double ep_day,xyz_t r,xyz_t v)
     peri += 360.0;
 
   // Elliptic motion
-  if (ecc<1.0) {
+  if (ecc < 1.0)
+    {
       xp = (chi - rm) / ecc;
       yp = rvm / ecc * sqrt (chi / mu);
       b = a * sqrt (1.0 - ecc * ecc);
@@ -183,7 +194,8 @@ orbit_t classel(int ep_year,double ep_day,xyz_t r,xyz_t v)
   return orb;
 }
 
-orbit_t rv2el(int satno,double mjd,xyz_t r0,xyz_t v0)
+orbit_t
+rv2el (int satno, double mjd, xyz_t r0, xyz_t v0)
 {
   int i, imode;
   orbit_t orb[5], orb1[5];
@@ -200,7 +212,8 @@ orbit_t rv2el(int satno,double mjd,xyz_t r0,xyz_t v0)
   orb[0] = classel (ep_year, ep_day, r0, v0);
   orb[0].satno = satno;
 
-  for (i=0;i<4;i++) {
+  for (i = 0; i < 4; i++)
+    {
       // Propagate
       imode = init_sgdp4 (&orb[i]);
       imode = satpos_xyz (mjd + 2400000.5, &r, &v);
@@ -236,30 +249,44 @@ orbit_t rv2el(int satno,double mjd,xyz_t r0,xyz_t v0)
 }
 
 // Format TLE
-void format_tle(orbit_t orb,char *line1,char *line2)
+void
+format_tle (orbit_t orb, char *line1, char *line2)
 {
   int i, csum;
   char sbstar[] = " 00000-0", bstar[13];
 
   // Format Bstar term
-  if (fabs(orb.bstar)>1e-9) {
+  if (fabs (orb.bstar) > 1e-9)
+    {
       sprintf (bstar, "%11.4e", 10 * orb.bstar);
-    sbstar[0] = bstar[0];  sbstar[1] = bstar[1];  sbstar[2] = bstar[3];  sbstar[3] = bstar[4];
+      sbstar[0] = bstar[0];
-    sbstar[4] = bstar[5];  sbstar[5] = bstar[6];  sbstar[6] = bstar[8];  sbstar[7] = bstar[10];  sbstar[8] = '\0';
+      sbstar[1] = bstar[1];
+      sbstar[2] = bstar[3];
+      sbstar[3] = bstar[4];
+      sbstar[4] = bstar[5];
+      sbstar[5] = bstar[6];
+      sbstar[6] = bstar[8];
+      sbstar[7] = bstar[10];
+      sbstar[8] = '\0';
     }
   // Print lines
-  sprintf(line1,"1 %05dU %-8s %2d%012.8f  .00000000  00000-0 %8s 0    0",orb.satno,orb.desig,orb.ep_year-2000,orb.ep_day,sbstar);
+  sprintf (line1, "1 %05dU %-8s %2d%012.8f  .00000000  00000-0 %8s 0    0",
-  sprintf(line2,"2 %05d %8.4f %8.4f %07.0f %8.4f %8.4f %11.8f    0",orb.satno,DEG(orb.eqinc),DEG(orb.ascn),1E7*orb.ecc,DEG(orb.argp),DEG(orb.mnan),orb.rev);
+	   orb.satno, orb.desig, orb.ep_year - 2000, orb.ep_day, sbstar);
+  sprintf (line2, "2 %05d %8.4f %8.4f %07.0f %8.4f %8.4f %11.8f    0",
+	   orb.satno, DEG (orb.eqinc), DEG (orb.ascn), 1E7 * orb.ecc,
+	   DEG (orb.argp), DEG (orb.mnan), orb.rev);
 
   // Compute checksums
-  for (i=0,csum=0;i<strlen(line1);i++) {
+  for (i = 0, csum = 0; i < strlen (line1); i++)
+    {
       if (isdigit (line1[i]))
 	csum += line1[i] - '0';
       else if (line1[i] == '-')
 	csum++;
     }
   sprintf (line1, "%s%d", line1, csum % 10);
-  for (i=0,csum=0;i<strlen(line2);i++) {
+  for (i = 0, csum = 0; i < strlen (line2); i++)
+    {
       if (isdigit (line2[i]))
 	csum += line2[i] - '0';
       else if (line2[i] == '-')
@@ -271,7 +298,8 @@ void format_tle(orbit_t orb,char *line1,char *line2)
 }
 
 // Present nfd
-void nfd_now(char *s)
+void
+nfd_now (char *s)
 {
   time_t rawtime;
   struct tm *ptm;
@@ -280,18 +308,22 @@ void nfd_now(char *s)
   time (&rawtime);
   ptm = gmtime (&rawtime);
 
-  sprintf(s,"%04d-%02d-%02dT%02d:%02d:%02d",ptm->tm_year+1900,ptm->tm_mon+1,ptm->tm_mday,ptm->tm_hour,ptm->tm_min,ptm->tm_sec);
+  sprintf (s, "%04d-%02d-%02dT%02d:%02d:%02d", ptm->tm_year + 1900,
+	   ptm->tm_mon + 1, ptm->tm_mday, ptm->tm_hour, ptm->tm_min,
+	   ptm->tm_sec);
 
   return;
 }
 
 // Compute Julian Day from Date
-double date2mjd(int year,int month,double day)
+double
+date2mjd (int year, int month, double day)
 {
   int a, b;
   double jd;
 
-  if (month<3) {
+  if (month < 3)
+    {
       year--;
       month += 12;
     }
@@ -299,22 +331,29 @@ double date2mjd(int year,int month,double day)
   a = floor (year / 100.);
   b = 2. - a + floor (a / 4.);
 
-  if (year<1582) b=0;
+  if (year < 1582)
-  if (year==1582 && month<10) b=0;
+    b = 0;
-  if (year==1582 && month==10 && day<=4) b=0;
+  if (year == 1582 && month < 10)
+    b = 0;
+  if (year == 1582 && month == 10 && day <= 4)
+    b = 0;
 
-  jd=floor(365.25*(year+4716))+floor(30.6001*(month+1))+day+b-1524.5;
+  jd =
+    floor (365.25 * (year + 4716)) + floor (30.6001 * (month + 1)) + day + b -
+    1524.5;
 
   return jd - 2400000.5;
 }
 
 // nfd2mjd
-double nfd2mjd(char *date)
+double
+nfd2mjd (char *date)
 {
   int year, month, day, hour, min, sec;
   double mjd, dday;
 
-  sscanf(date,"%04d-%02d-%02dT%02d:%02d:%02d",&year,&month,&day,&hour,&min,&sec);
+  sscanf (date, "%04d-%02d-%02dT%02d:%02d:%02d", &year, &month, &day, &hour,
+	  &min, &sec);
   dday = day + hour / 24.0 + min / 1440.0 + sec / 86400.0;
 
   mjd = date2mjd (year, month, dday);
@@ -322,15 +361,18 @@ double nfd2mjd(char *date)
   return mjd;
 }
 
-void usage(void)
+void
+usage (void)
 {
-  printf("propagate c:i:t:m:\n\nPropagates orbital elements to a new epoch using the SGP4/SDP4 model.\nDefault operation propagates classfd.tle to now,\n\n-c  input catalog\n-i  Satellite number\n-t  New epoch (YYYY-MM-DDTHH:MM:SS)\n-m  New epoch (MJD)\n");
+  printf
+    ("propagate c:i:t:m:\n\nPropagates orbital elements to a new epoch using the SGP4/SDP4 model.\nDefault operation propagates classfd.tle to now,\n\n-c  input catalog\n-i  Satellite number\n-t  New epoch (YYYY-MM-DDTHH:MM:SS)\n-m  New epoch (MJD)\n");
 
   return;
 }
 
 
-int main(int argc,char *argv[])
+int
+main (int argc, char *argv[])
 {
   int imode, satno = 0, arg, usecatalog = 0, satnomin, flag = 0;
   FILE *file;
@@ -351,8 +393,10 @@ int main(int argc,char *argv[])
   mjd = nfd2mjd (nfd);
 
   // Decode options
-  while ((arg=getopt(argc,argv,"C:c:i:t:m:he"))!=-1) {
+  while ((arg = getopt (argc, argv, "C:c:i:t:m:he")) != -1)
-    switch (arg) {
+    {
+      switch (arg)
+	{
 
 	case 't':
 	  strcpy (nfd, optarg);
@@ -396,7 +440,8 @@ int main(int argc,char *argv[])
 
   // Open file
   file = fopen (tlefile, "r");
-  while (read_twoline(file,satno,&orb)==0) {
+  while (read_twoline (file, satno, &orb) == 0)
+    {
       format_tle (orb, line1, line2);
 
       // Propagate
@@ -411,16 +456,19 @@ int main(int argc,char *argv[])
       de = asin (n.z / magnitude (n)) * R2D;
 
       if (usecatalog == 0)
-      printf("%05d %14.8lf %10.6f %10.6f %10.2f %10.2f %10.2f %10.2f\n",orb.satno,mjd,ra,de,magnitude(n),n.x,n.y,n.z);
+	printf ("%05d %14.8lf %10.6f %10.6f %10.2f %10.2f %10.2f %10.2f\n",
+		orb.satno, mjd, ra, de, magnitude (n), n.x, n.y, n.z);
 
     }
   fclose (file);
 
   // Match against a catalog
-  if (usecatalog==1) {
+  if (usecatalog == 1)
+    {
       // Open file
       file = fopen (catalog, "r");
-    while (read_twoline(file,0,&orb)==0) {
+      while (read_twoline (file, 0, &orb) == 0)
+	{
 	  format_tle (orb, line1, line2);
 
 	  // Propagate
@@ -445,7 +493,8 @@ int main(int argc,char *argv[])
 	  mv.y = v0.y - v.y;
 	  mv.z = v0.z - v.z;
 
-      if (flag==0 || dr<drmin) {
+	  if (flag == 0 || dr < drmin)
+	    {
 	      drmin = dr;
 	      dmr = magnitude (mr);
 	      dmv = magnitude (mv);
@@ -453,7 +502,8 @@ int main(int argc,char *argv[])
 	      flag = 1;
 	    }
 	}
-    printf("%05d %05d %8.2f km %8.2f km %10.6f km/s\n",satno,satnomin,drmin,dmr,dmv);
+      printf ("%05d %05d %8.2f km %8.2f km %10.6f km/s\n", satno, satnomin,
+	      drmin, dmr, dmv);
     }
 
   return 0;

src/pass.c

@@ -20,7 +20,8 @@ long Isatsel=0;
 extern double SGDP4_jd0;
 
 int ipass = 0, npass;
-struct map {
+struct map
+{
   long satno;
   double lat, lng;
   double mjd;
@@ -31,13 +32,15 @@ struct map {
   char datadir[LIM], tledir[LIM];
   int site_id, plot;
 } m;
-struct point {
+struct point
+{
   double mjd;
   char nfd[LIM];
   xyz_t obspos, satpos, sunpos;
   double sra, sde, salt, sazi, azi, alt;
 } *pt;
-struct pass {
+struct pass
+{
   int satno;
   double mjdrise, mjdmax, mjdset;
   char line[80], skymap[LIM], radio[80];
@@ -61,7 +64,8 @@ void equatorial2horizontal(double,double,double,double *,double *);
 void horizontal2equatorial (double, double, double, double *, double *);
 void compute_observer_and_solar_positions (void);
 
-void compute_track(orbit_t orb)
+void
+compute_track (orbit_t orb)
 {
   int i, flag = 0;
   double jd;
@@ -76,7 +80,8 @@ void compute_track(orbit_t orb)
   int i1 = -1, i2 = -1, i3 = -1;
   int sunlit, sundown;
 
-  for (i=0;i<m.length;i++) {
+  for (i = 0; i < m.length; i++)
+    {
       // Sun altitude
       if (pt[i].salt < m.saltmin)
 	sundown = 1;
@@ -94,13 +99,17 @@ void compute_track(orbit_t orb)
 
       // Distances
       rsun = sqrt (dx * dx + dy * dy + dz * dz);
-    rearth=sqrt(satpos.x*satpos.x+satpos.y*satpos.y+satpos.z*satpos.z);
+      rearth =
+	sqrt (satpos.x * satpos.x + satpos.y * satpos.y +
+	      satpos.z * satpos.z);
       h = rearth - XKMPER;
 
       // Angles
       psun = asin (696.0e3 / rsun) * R2D;
       pearth = asin (6378.135 / rearth) * R2D;
-    psat=acos((-dx*satpos.x-dy*satpos.y-dz*satpos.z)/(rsun*rearth))*R2D;
+      psat =
+	acos ((-dx * satpos.x - dy * satpos.y -
+	       dz * satpos.z) / (rsun * rearth)) * R2D;
 
       // Visibility state
       if (psat - pearth < -psun)
@@ -125,11 +134,19 @@ void compute_track(orbit_t orb)
       de = asin (dz / r) * R2D;
 
       // Phase
-    phase=acos(((pt[i].obspos.x-satpos.x)*(pt[i].sunpos.x-satpos.x)+(pt[i].obspos.y-satpos.y)*(pt[i].sunpos.y-satpos.y)+(pt[i].obspos.z-satpos.z)*(pt[i].sunpos.z-satpos.z))/(rsun*r))*R2D;
+      phase =
+	acos (((pt[i].obspos.x - satpos.x) * (pt[i].sunpos.x - satpos.x) +
+	       (pt[i].obspos.y - satpos.y) * (pt[i].sunpos.y - satpos.y) +
+	       (pt[i].obspos.z - satpos.z) * (pt[i].sunpos.z -
+					      satpos.z)) / (rsun * r)) * R2D;
 
       // Magnitude
       if (strcmp (state, "sunlit") == 0)
-      mag=STDMAG-15.0+5*log10(r)-2.5*log10(sin(phase*D2R)+(M_PI-phase*D2R)*cos(phase*D2R));
+	mag =
+	  STDMAG - 15.0 + 5 * log10 (r) - 2.5 * log10 (sin (phase * D2R) +
+						       (M_PI -
+							phase * D2R) *
+						       cos (phase * D2R));
       else
 	mag = 15;
 
@@ -142,49 +159,74 @@ void compute_track(orbit_t orb)
       pt[i].azi = modulo (azi + 180.0, 360.0);
 
       // Find all passes
-    if (m.all==1) {
+      if (m.all == 1)
-      if (i==0) { 
+	{
-	if (alt>=m.altmin && flag==0) {
+	  if (i == 0)
+	    {
+	      if (alt >= m.altmin && flag == 0)
+		{
 		  irise = i;
 		  flag = 1;
 		}
-	if (imax==-1 && flag==1) {
+	      if (imax == -1 && flag == 1)
+		{
 		  imax = i;
 		  flag = 2;
 		}
-      } else if (i==m.length-1) {
+	    }
-	if (alt>=m.altmin && flag==0) {
+	  else if (i == m.length - 1)
+	    {
+	      if (alt >= m.altmin && flag == 0)
+		{
 		  irise = i;
 		  flag = 1;
 		}
-	if (imax==-1 && flag==1) {
+	      if (imax == -1 && flag == 1)
+		{
 		  imax = i;
 		  flag = 2;
 		}
-	if (alt>=m.altmin && flag==2) {
+	      if (alt >= m.altmin && flag == 2)
+		{
 		  iset = i;
 		  flag = 3;
 		}
-      } else if (i>0) {
+	    }
-	if (alt1<m.altmin && alt>=m.altmin && flag==0) {
+	  else if (i > 0)
+	    {
+	      if (alt1 < m.altmin && alt >= m.altmin && flag == 0)
+		{
 		  irise = i;
 		  flag = 1;
-	} else if (alt1>m.altmin && alt<=m.altmin && flag==2) {
+		}
+	      else if (alt1 > m.altmin && alt <= m.altmin && flag == 2)
+		{
 		  iset = i;
 		  flag = 3;
-	} else if (flag==1 && alt<alt1) {
+		}
+	      else if (flag == 1 && alt < alt1)
+		{
 		  imax = i - 1;
 		  flag = 2;
 		}
 	    }
-    } else {
+	}
-      if (flag==0 && alt>=m.altmin && sundown==1 && sunlit==1) {
+      else
+	{
+	  if (flag == 0 && alt >= m.altmin && sundown == 1 && sunlit == 1)
+	    {
 	      irise = i;
 	      flag = 1;
-      } else if (flag==1 && (alt<alt1 || !(sundown==1 && sunlit==1))) {
+	    }
+	  else if (flag == 1
+		   && (alt < alt1 || !(sundown == 1 && sunlit == 1)))
+	    {
 	      imax = i - 1;
 	      flag = 2;
-      } else if (flag==2 && !(alt>=m.altmin && sundown==1 && sunlit==1)) {
+	    }
+	  else if (flag == 2
+		   && !(alt >= m.altmin && sundown == 1 && sunlit == 1))
+	    {
 	      iset = i;
 	      flag = 3;
 	    }
@@ -204,7 +246,8 @@ void compute_track(orbit_t orb)
 	   */
 	}
 
-    if (flag==3) {
+      if (flag == 3)
+	{
 	  i1 = irise;
 	  i2 = imax;
 	  i3 = iset;
@@ -216,12 +259,17 @@ void compute_track(orbit_t orb)
 	  p[ipass].length = 86400.0 * (pt[i3].mjd - pt[i1].mjd);
 	  p[ipass].altmax = pt[i2].alt;
 
-      sprintf(p[ipass].line,"%05d | %s  %3.0f/%2.0f | %.8s  %3.0f/%2.0f | %.8s  %3.0f/%2.0f | \n",orb.satno,
+	  sprintf (p[ipass].line,
-	      pt[i1].nfd,pt[i1].azi,pt[i1].alt,
+		   "%05d | %s  %3.0f/%2.0f | %.8s  %3.0f/%2.0f | %.8s  %3.0f/%2.0f | \n",
-	      pt[i2].nfd+11,pt[i2].azi,pt[i2].alt,
+		   orb.satno, pt[i1].nfd, pt[i1].azi, pt[i1].alt,
-	      pt[i3].nfd+11,pt[i3].azi,pt[i3].alt);
+		   pt[i2].nfd + 11, pt[i2].azi, pt[i2].alt, pt[i3].nfd + 11,
-      sprintf(p[ipass].radio,"%05d %s %s %s %4.0f %5.1f\n",orb.satno,pt[i1].nfd,pt[i2].nfd,pt[i3].nfd,p[ipass].length,pt[i2].alt);
+		   pt[i3].azi, pt[i3].alt);
-      sprintf(p[ipass].skymap,"skymap -c %s -i %d -s %d -t %s -l %.0f",m.tlefile,orb.satno,m.site_id,pt[i1].nfd,p[ipass].length);
+	  sprintf (p[ipass].radio, "%05d %s %s %s %4.0f %5.1f\n", orb.satno,
+		   pt[i1].nfd, pt[i2].nfd, pt[i3].nfd, p[ipass].length,
+		   pt[i2].alt);
+	  sprintf (p[ipass].skymap, "skymap -c %s -i %d -s %d -t %s -l %.0f",
+		   m.tlefile, orb.satno, m.site_id, pt[i1].nfd,
+		   p[ipass].length);
 
 	  flag = 0;
 	  irise = -1;
@@ -240,7 +288,8 @@ void compute_track(orbit_t orb)
   return;
 }
 
-int qsort_compare_mjdrise(const void *a,const void *b) 
+int
+qsort_compare_mjdrise (const void *a, const void *b)
 {
   struct pass *pa = (struct pass *) a;
   struct pass *pb = (struct pass *) b;
@@ -253,7 +302,8 @@ int qsort_compare_mjdrise(const void *a,const void *b)
     return 0;
 }
 
-int main(int argc,char *argv[])
+int
+main (int argc, char *argv[])
 {
   int arg = 0, radio = 0;
   FILE *file;
@@ -264,8 +314,10 @@ int main(int argc,char *argv[])
   initialize_setup ();
 
   // Decode options
-  while ((arg=getopt(argc,argv,"t:c:i:s:l:hS:A:aPqm:RM:"))!=-1) {
+  while ((arg = getopt (argc, argv, "t:c:i:s:l:hS:A:aPqm:RM:")) != -1)
-    switch (arg) {
+    {
+      switch (arg)
+	{
 
 	case 'R':
 	  radio = 1;
@@ -353,7 +405,8 @@ int main(int argc,char *argv[])
     fatal_error ("File open failed for reading %s\n", m.tlefile);
 
   // Loop over objects
-  while (read_twoline(file,m.satno,&orb)==0) {
+  while (read_twoline (file, m.satno, &orb) == 0)
+    {
       Isat = orb.satno;
       imode = init_sgdp4 (&orb);
 
@@ -378,7 +431,8 @@ int main(int argc,char *argv[])
     print_header ();
 
   // Print passes
-  for (ipass=0;ipass<npass;ipass++) {
+  for (ipass = 0; ipass < npass; ipass++)
+    {
       if (radio == 0)
 	printf ("%s", p[ipass].line);
       else if (radio == 1 && p[ipass].altmax > m.altmax)
@@ -394,12 +448,14 @@ int main(int argc,char *argv[])
 }
 
 // nfd2mjd
-double nfd2mjd(char *date)
+double
+nfd2mjd (char *date)
 {
   int year, month, day, hour, min, sec;
   double mjd, dday;
 
-  sscanf(date,"%04d-%02d-%02dT%02d:%02d:%02d",&year,&month,&day,&hour,&min,&sec);
+  sscanf (date, "%04d-%02d-%02dT%02d:%02d:%02d", &year, &month, &day, &hour,
+	  &min, &sec);
   dday = day + hour / 24.0 + min / 1440.0 + sec / 86400.0;
 
   mjd = date2mjd (year, month, dday);
@@ -407,7 +463,8 @@ double nfd2mjd(char *date)
   return mjd;
 }
 
-void usage()
+void
+usage ()
 {
   printf ("pass t:c:i:s:l:hS:A:aPqm:R\n\n");
   printf ("t    date/time (yyyy-mm-ddThh:mm:ss.sss) [default: now]\n");
@@ -428,7 +485,8 @@ void usage()
 }
 
 // Compute Date from Julian Day
-void mjd2date(double mjd,char *date,int length)
+void
+mjd2date (double mjd, char *date, int length)
 {
   double f, jd, dday;
   int z, alpha, a, b, c, d, e;
@@ -443,7 +501,8 @@ void mjd2date(double mjd,char *date,int length)
 
   if (z < 2299161)
     a = z;
-  else {
+  else
+    {
       alpha = floor ((z - 1867216.25) / 36524.25);
       a = z + 1 + alpha - floor (alpha / 4.);
     }
@@ -474,19 +533,23 @@ void mjd2date(double mjd,char *date,int length)
   sec = floor (1000.0 * sec) / 1000.0;
 
   if (length == 3)
-    sprintf(date,"%04d-%02d-%02dT%02d:%02d:%06.3f",year,month,day,hour,min,sec);
+    sprintf (date, "%04d-%02d-%02dT%02d:%02d:%06.3f", year, month, day, hour,
+	     min, sec);
   else if (length == 0)
-    sprintf(date,"%04d-%02d-%02dT%02d:%02d:%02.0f",year,month,day,hour,min,sec);
+    sprintf (date, "%04d-%02d-%02dT%02d:%02d:%02.0f", year, month, day, hour,
+	     min, sec);
   return;
 }
 
 // Compute Julian Day from Date
-double date2mjd(int year,int month,double day)
+double
+date2mjd (int year, int month, double day)
 {
   int a, b;
   double jd;
 
-  if (month<3) {
+  if (month < 3)
+    {
       year--;
       month += 12;
     }
@@ -494,17 +557,23 @@ double date2mjd(int year,int month,double day)
   a = floor (year / 100.);
   b = 2. - a + floor (a / 4.);
 
-  if (year<1582) b=0;
+  if (year < 1582)
-  if (year==1582 && month<10) b=0;
+    b = 0;
-  if (year==1582 && month==10 && day<=4) b=0;
+  if (year == 1582 && month < 10)
+    b = 0;
+  if (year == 1582 && month == 10 && day <= 4)
+    b = 0;
 
-  jd=floor(365.25*(year+4716))+floor(30.6001*(month+1))+day+b-1524.5;
+  jd =
+    floor (365.25 * (year + 4716)) + floor (30.6001 * (month + 1)) + day + b -
+    1524.5;
 
   return jd - 2400000.5;
 }
 
 // Initialize setup
-void initialize_setup(void)
+void
+initialize_setup (void)
 {
   char *env;
 
@@ -526,21 +595,30 @@ void initialize_setup(void)
 
   // Get environment variables
   env = getenv ("ST_DATADIR");
-  if (env!=NULL) {
+  if (env != NULL)
+    {
       strcpy (m.datadir, env);
-  } else {
+    }
+  else
+    {
       printf ("ST_DATADIR environment variable not found.\n");
     }
   env = getenv ("ST_COSPAR");
-  if (env!=NULL) {
+  if (env != NULL)
+    {
       get_site (atoi (env));
-  } else {
+    }
+  else
+    {
       printf ("ST_COSPAR environment variable not found.\n");
     }
   env = getenv ("ST_TLEDIR");
-  if (env!=NULL) {
+  if (env != NULL)
+    {
       strcpy (m.tledir, env);
-  } else {
+    }
+  else
+    {
       printf ("ST_TLEDIR environment variable not found.\n");
     }
   sprintf (m.tlefile, "%s/classfd.tle", m.tledir);
@@ -549,7 +627,8 @@ void initialize_setup(void)
 }
 
 // Get observing site
-void get_site(int site_id)
+void
+get_site (int site_id)
 {
   int i = 0;
   char line[LIM];
@@ -561,11 +640,13 @@ void get_site(int site_id)
 
   sprintf (filename, "%s/data/sites.txt", m.datadir);
   file = fopen (filename, "r");
-  if (file==NULL) {
+  if (file == NULL)
+    {
       printf ("File with site information not found!\n");
       return;
     }
-  while (fgets(line,LIM,file)!=NULL) {
+  while (fgets (line, LIM, file) != NULL)
+    {
       // Skip
       if (strstr (line, "#") != NULL)
 	continue;
@@ -574,14 +655,14 @@ void get_site(int site_id)
       line[strlen (line) - 1] = '\0';
 
       // Read data
-    sscanf(line,"%4d %2s %lf %lf %f",
+      sscanf (line, "%4d %2s %lf %lf %f", &id, abbrev, &lat, &lng, &alt);
-	   &id,abbrev,&lat,&lng,&alt);
       strcpy (observer, line + 38);
 
       // Change to km
       alt /= 1000.0;
 
-    if (id==site_id) {
+      if (id == site_id)
+	{
 	  m.lat = lat;
 	  m.lng = lng;
 	  m.alt = alt;
@@ -596,7 +677,8 @@ void get_site(int site_id)
 }
 
 // Present nfd
-void nfd_now(char *s)
+void
+nfd_now (char *s)
 {
   time_t rawtime;
   struct tm *ptm;
@@ -605,22 +687,27 @@ void nfd_now(char *s)
   time (&rawtime);
   ptm = gmtime (&rawtime);
 
-  sprintf(s,"%04d-%02d-%02dT%02d:%02d:%02d",ptm->tm_year+1900,ptm->tm_mon+1,ptm->tm_mday,ptm->tm_hour,ptm->tm_min,ptm->tm_sec);
+  sprintf (s, "%04d-%02d-%02dT%02d:%02d:%02d", ptm->tm_year + 1900,
+	   ptm->tm_mon + 1, ptm->tm_mday, ptm->tm_hour, ptm->tm_min,
+	   ptm->tm_sec);
 
   return;
 }
 
 // Print header
-void print_header(void)
+void
+print_header (void)
 {
-  printf("Observer: %s (%04d) [%+.4f, %+.4f, %.0fm]\n",m.observer,m.site_id,m.lat,m.lng,m.alt*1000.0);
+  printf ("Observer: %s (%04d) [%+.4f, %+.4f, %.0fm]\n", m.observer,
+	  m.site_id, m.lat, m.lng, m.alt * 1000.0);
   printf ("Elements: %s\n", m.tlefile);
   printf ("UT Date/Time: %s for %g h \n", m.nfd, m.length / 3600.0);
   return;
 }
 
 // Observer position
-void obspos_xyz(double mjd,xyz_t *pos,xyz_t *vel)
+void
+obspos_xyz (double mjd, xyz_t * pos, xyz_t * vel)
 {
   double ff, gc, gs, theta, s, dtheta;
 
@@ -643,7 +730,8 @@ void obspos_xyz(double mjd,xyz_t *pos,xyz_t *vel)
 }
 
 // Solar position
-void sunpos_xyz(double mjd,xyz_t *pos,double *ra,double *de)
+void
+sunpos_xyz (double mjd, xyz_t * pos, double *ra, double *de)
 {
   double jd, t, l0, m, e, c, r;
   double n, s, ecl;
@@ -660,7 +748,10 @@ void sunpos_xyz(double mjd,xyz_t *pos,double *ra,double *de)
   r = 1.000001018 * (1.0 - e * e) / (1.0 + e * cos (m + c));
   n = modulo (125.04 - 1934.136 * t, 360.0) * D2R;
   s = l0 + c + (-0.00569 - 0.00478 * sin (n)) * D2R;
-  ecl=(23.43929111+(-46.8150*t-0.00059*t*t+0.001813*t*t*t)/3600.0+0.00256*cos(n))*D2R;
+  ecl =
+    (23.43929111 +
+     (-46.8150 * t - 0.00059 * t * t + 0.001813 * t * t * t) / 3600.0 +
+     0.00256 * cos (n)) * D2R;
 
   *ra = atan2 (cos (ecl) * sin (s), cos (s)) * R2D;
   *de = asin (sin (ecl) * sin (s)) * R2D;
@@ -673,19 +764,23 @@ void sunpos_xyz(double mjd,xyz_t *pos,double *ra,double *de)
 }
 
 // Greenwich Mean Sidereal Time
-double gmst(double mjd)
+double
+gmst (double mjd)
 {
   double t, gmst;
 
   t = (mjd - 51544.5) / 36525.0;
 
-  gmst=modulo(280.46061837+360.98564736629*(mjd-51544.5)+t*t*(0.000387933-t/38710000),360.0);
+  gmst =
+    modulo (280.46061837 + 360.98564736629 * (mjd - 51544.5) +
+	    t * t * (0.000387933 - t / 38710000), 360.0);
 
   return gmst;
 }
 
 // Greenwich Mean Sidereal Time
-double dgmst(double mjd)
+double
+dgmst (double mjd)
 {
   double t, dgmst;
 
@@ -697,47 +792,66 @@ double dgmst(double mjd)
 }
 
 // Return x modulo y [0,y)
-double modulo(double x,double y)
+double
+modulo (double x, double y)
 {
   x = fmod (x, y);
-  if (x<0.0) x+=y;
+  if (x < 0.0)
+    x += y;
 
   return x;
 }
 
 // Convert equatorial into horizontal coordinates
-void equatorial2horizontal(double mjd,double ra,double de,double *azi,double *alt)
+void
+equatorial2horizontal (double mjd, double ra, double de, double *azi,
+		       double *alt)
 {
   double h;
 
   h = gmst (mjd) + m.lng - ra;
 
-  *azi=modulo(atan2(sin(h*D2R),cos(h*D2R)*sin(m.lat*D2R)-tan(de*D2R)*cos(m.lat*D2R))*R2D,360.0);
+  *azi =
-  *alt=asin(sin(m.lat*D2R)*sin(de*D2R)+cos(m.lat*D2R)*cos(de*D2R)*cos(h*D2R))*R2D;
+    modulo (atan2
+	    (sin (h * D2R),
+	     cos (h * D2R) * sin (m.lat * D2R) -
+	     tan (de * D2R) * cos (m.lat * D2R)) * R2D, 360.0);
+  *alt =
+    asin (sin (m.lat * D2R) * sin (de * D2R) +
+	  cos (m.lat * D2R) * cos (de * D2R) * cos (h * D2R)) * R2D;
 
   return;
 }
 
 // Convert horizontal into equatorial coordinates
-void horizontal2equatorial(double mjd,double azi,double alt,double *ra,double *de)
+void
+horizontal2equatorial (double mjd, double azi, double alt, double *ra,
+		       double *de)
 {
   double h;
 
-  h=atan2(sin(azi*D2R),cos(azi*D2R)*sin(m.lat*D2R)+tan(alt*D2R)*cos(m.lat*D2R))*R2D;
+  h =
+    atan2 (sin (azi * D2R),
+	   cos (azi * D2R) * sin (m.lat * D2R) +
+	   tan (alt * D2R) * cos (m.lat * D2R)) * R2D;
   *ra = modulo (gmst (mjd) + m.lng - h, 360.0);
-  *de=asin(sin(m.lat*D2R)*sin(alt*D2R)-cos(m.lat*D2R)*cos(alt*D2R)*cos(azi*D2R))*R2D;
+  *de =
+    asin (sin (m.lat * D2R) * sin (alt * D2R) -
+	  cos (m.lat * D2R) * cos (alt * D2R) * cos (azi * D2R)) * R2D;
   if (*ra < 0.0)
     *ra += 360.0;
 
   return;
 }
 
-void compute_observer_and_solar_positions(void)
+void
+compute_observer_and_solar_positions (void)
 {
   int i;
   xyz_t obsvel;
 
-  for (i=0;i<m.length;i++) {
+  for (i = 0; i < m.length; i++)
+    {
       // Compute MJDs
       pt[i].mjd = m.mjd + (double) i / 86400.0;
       mjd2date (pt[i].mjd, pt[i].nfd, 0);
@@ -747,7 +861,8 @@ void compute_observer_and_solar_positions(void)
 
       // Solar position
       sunpos_xyz (pt[i].mjd, &pt[i].sunpos, &pt[i].sra, &pt[i].sde);
-    equatorial2horizontal(pt[i].mjd,pt[i].sra,pt[i].sde,&pt[i].sazi,&pt[i].salt);
+      equatorial2horizontal (pt[i].mjd, pt[i].sra, pt[i].sde, &pt[i].sazi,
+			     &pt[i].salt);
     }
 
   return;

src/pgm2fits.c

@@ -6,12 +6,14 @@
 #include <getopt.h>
 
 
-struct image {
+struct image
+{
   int nx, ny;
   char timestamp[64];
   unsigned char *c;
 };
-struct fourframe {
+struct fourframe
+{
   int nx, ny, nt, nlayer;
   char timestamp[64], observer[64];
   double mjd;
@@ -26,7 +28,8 @@ double date2mjd(int year,int month,double day);
 void write_pgm (char *filename, struct fourframe ff);
 void mjd2date (double mjd, char *date);
 
-void usage(void)
+void
+usage (void)
 {
   printf ("pgm2fits p:w:h:s:n:Dd:x:y:c:o:gm:t:r:I\n\n");
   printf ("-p   image prefix\n");
@@ -49,9 +52,11 @@ void usage(void)
   exit (0);
 }
 
-int main(int argc,char *argv[])
+int
+main (int argc, char *argv[])
 {
-  int i,j,k,l,m,k0=1,status,nt,darkout=0,darkin=0,track=0,maskin=0;
+  int i, j, k, l, m, k0 = 1, status, nt, darkout = 0, darkin = 0, track =
+    0, maskin = 0;
   int n, n0, di, dj, npix;
   struct image *img, drk, msk;
   struct fourframe ff;
@@ -74,9 +79,13 @@ int main(int argc,char *argv[])
   ff.type = 0;
 
   // Decode options
-  if (argc>1) {
+  if (argc > 1)
-    while ((arg=getopt(argc,argv,"p:w:h:s:n:Dd:x:y:c:o:gm:t:r:I"))!=-1) {
+    {
-      switch(arg) {
+      while ((arg =
+	      getopt (argc, argv, "p:w:h:s:n:Dd:x:y:c:o:gm:t:r:I")) != -1)
+	{
+	  switch (arg)
+	    {
 	    case 'p':
 	      path = optarg;
 	      break;
@@ -152,7 +161,9 @@ int main(int argc,char *argv[])
 	      usage ();
 	    }
 	}
-  } else {
+    }
+  else
+    {
       usage ();
     }
 
@@ -178,21 +189,27 @@ int main(int argc,char *argv[])
     msk = read_pgm (maskfile, &status);
 
   // Loop over files
-  for (k=0,l=0;k<nt;k++) {
+  for (k = 0, l = 0; k < nt; k++)
+    {
       sprintf (filename, "%s%06d.pgm", path, k + k0);
       img[l] = read_pgm (filename, &status);
 
       // Reset time
-    if (timereset==1) {
+      if (timereset == 1)
+	{
 	  mjd = mjd0 + (double) (k + k0) / (86400.0 * framerate);
 	  mjd2date (mjd, img[l].timestamp);
 	}
 
-    ff.dt[l]=86400.0*(nfd2mjd(img[l].timestamp)-nfd2mjd(img[0].timestamp));
+      ff.dt[l] =
-    if (status==0) {
+	86400.0 * (nfd2mjd (img[l].timestamp) - nfd2mjd (img[0].timestamp));
+      if (status == 0)
+	{
 	  printf ("Read %s\n", filename);
 	  l++;
-    } else {
+	}
+      else
+	{
 	  break;
 	}
     }
@@ -202,8 +219,10 @@ int main(int argc,char *argv[])
 
   printf ("Accumulating image statistics\n");
   // Loop over pixels
-  for (i=0;i<ff.nx;i++) {
+  for (i = 0; i < ff.nx; i++)
-    for (j=0;j<ff.ny;j++) {
+    {
+      for (j = 0; j < ff.ny; j++)
+	{
 	  n = i + ff.nx * j;
 
 	  s1 = 0.0;
@@ -212,14 +231,16 @@ int main(int argc,char *argv[])
 	  cnt = 0.0;
 
 	  // Loop over images
-      for (k=0;k<ff.nt;k++) {
+	  for (k = 0; k < ff.nt; k++)
+	    {
 	      if (darkin == 0)
 		z = (float) img[k].c[n];
 	      else if (darkin == 1)
 		z = (float) (img[k].c[n] - drk.c[n]);
 	      s1 += z;
 	      s2 += z * z;
-	if (z>max) {
+	      if (z > max)
+		{
 		  max = z;
 		  cnt = (float) k;
 		}
@@ -230,36 +251,46 @@ int main(int argc,char *argv[])
 	  std = sqrt ((s2 - s1 * avg) / (float) (ff.nt - 2));
 
 	  // Reset masked pixels
-      if (maskin==1 && msk.c[n]==0.0) {
+	  if (maskin == 1 && msk.c[n] == 0.0)
+	    {
 	      avg = 0.0;
 	      std = 0.0;
 	      max = 0.0;
 	      cnt = 128.0;
 	    }
 
-      for (m=0;m<ff.nlayer;m++) {
+	  for (m = 0; m < ff.nlayer; m++)
+	    {
 	      l = i + (ff.ny - j - 1) * ff.nx + m * ff.nx * ff.ny;
-	if (m==0) ff.z[l]=avg;
+	      if (m == 0)
-	if (m==1) ff.z[l]=std;
+		ff.z[l] = avg;
-	if (m==2) ff.z[l]=max;
+	      if (m == 1)
-	if (m==3) ff.z[l]=cnt;
+		ff.z[l] = std;
-	if (m==4) ff.z[l]=avg;
+	      if (m == 2)
+		ff.z[l] = max;
+	      if (m == 3)
+		ff.z[l] = cnt;
+	      if (m == 4)
+		ff.z[l] = avg;
 	    }
 	}
     }
 
   // Create tracked layer
-  if (track==1) {
+  if (track == 1)
+    {
       printf ("Creating tracked layer\n");
 
       // Set weights
-    for (i=0;i<ff.nx*ff.ny;i++) {
+      for (i = 0; i < ff.nx * ff.ny; i++)
+	{
 	  wt[i] = 0;
 	  trk[i] = 0.0;
 	}
 
       // Loop over frames
-    for (l=0;l<ff.nt;l++) {
+      for (l = 0; l < ff.nt; l++)
+	{
 	  // Offset
 	  dx = dxdn * (l - ff.nt / 2);
 	  dy = dydn * (l - ff.nt / 2);
@@ -269,11 +300,15 @@ int main(int argc,char *argv[])
 	  dj = (int) floor (dy + 0.5);
 
 	  // Set
-      for (i=0;i<ff.nx;i++) {
+	  for (i = 0; i < ff.nx; i++)
-	for (j=0;j<ff.ny;j++) {
+	    {
+	      for (j = 0; j < ff.ny; j++)
+		{
 		  k = i + ff.nx * j;
 		  k0 = i + di + ff.nx * (j + dj);
-	  if (i+di>0 && i+di<ff.nx && j+dj>0 && j+dj<ff.ny) {
+		  if (i + di > 0 && i + di < ff.nx && j + dj > 0
+		      && j + dj < ff.ny)
+		    {
 		      wt[k] += 1;
 		      trk[k] += (float) img[l].c[k0];
 		    }
@@ -281,8 +316,10 @@ int main(int argc,char *argv[])
 	    }
 	}
       // Save layer
-    for (i=0;i<ff.nx;i++) {
+      for (i = 0; i < ff.nx; i++)
-      for (j=0;j<ff.ny;j++) {
+	{
+	  for (j = 0; j < ff.ny; j++)
+	    {
 	      k = i + ff.nx * j;
 	      if (guide == 0)
 		l = i + (ff.ny - j - 1) * ff.nx;
@@ -320,7 +357,8 @@ int main(int argc,char *argv[])
 }
 
 // Read pgm file
-struct image read_pgm(char *filename,int *status)
+struct image
+read_pgm (char *filename, int *status)
 {
   int i;
   struct image img;
@@ -329,25 +367,30 @@ struct image read_pgm(char *filename,int *status)
 
   // Open file
   file = fopen (filename, "rb");
-  if (file==NULL) {
+  if (file == NULL)
+    {
       *status = 1;
       return img;
     }
 
   // Read PGM format
   fgetline (file, hbuf, 64);
-  if (strcmp(hbuf,"P5")!=0) {
+  if (strcmp (hbuf, "P5") != 0)
+    {
       printf ("Not a valid PGM file!\n");
       exit (0);
     }
 
   // Read timestamp/image size
   fgetline (file, hbuf, 64);
-  if (strstr(hbuf,"#")!=NULL) {
+  if (strstr (hbuf, "#") != NULL)
+    {
       strcpy (img.timestamp, hbuf + 2);
       fgetline (file, hbuf, 64);
       sscanf (hbuf, "%d %d", &img.nx, &img.ny);
-  } else {
+    }
+  else
+    {
       strcpy (img.timestamp, "2012-01-01T00:00:00");
       sscanf (hbuf, "%d %d", &img.nx, &img.ny);
     }
@@ -367,7 +410,8 @@ struct image read_pgm(char *filename,int *status)
 }
 
 // Get line
-int fgetline(FILE *file,char *s,int lim)
+int
+fgetline (FILE * file, char *s, int lim)
 {
   int c, i = 0;
 
@@ -381,7 +425,8 @@ int fgetline(FILE *file,char *s,int lim)
 }
 
 // Write fits file
-void write_fits(char *filename,struct fourframe ff)
+void
+write_fits (char *filename, struct fourframe ff)
 {
   int i, j, k, l;
   float *fbuf;
@@ -449,14 +494,16 @@ void write_fits(char *filename,struct fourframe ff)
   qfits_header_add (qh, "OBSERVER", val, " ", NULL);
 
   // Add timestamps
-  for (k=0;k<ff.nt;k++) {
+  for (k = 0; k < ff.nt; k++)
+    {
       sprintf (key, "DT%04d", k);
       sprintf (val, "%f", ff.dt[k]);
       qfits_header_add (qh, key, val, " ", NULL);
     }
 
   // Dummy keywords
-  for (k=0;k<10;k++) {
+  for (k = 0; k < 10; k++)
+    {
       sprintf (key, "DUMY%03d", k);
       qfits_header_add (qh, key, "0.0", " ", NULL);
     }
@@ -473,9 +520,12 @@ void write_fits(char *filename,struct fourframe ff)
   // Fill buffer
   fbuf = malloc (ff.nlayer * ff.nx * ff.ny * sizeof (float));
   ibuf = malloc (ff.nlayer * ff.nx * ff.ny * sizeof (int));
-  for (i=0,l=0;i<ff.nx;i++) {
+  for (i = 0, l = 0; i < ff.nx; i++)
-    for (j=ff.ny-1;j>=0;j--) {
+    {
-      for (k=0;k<ff.nlayer;k++) {
+      for (j = ff.ny - 1; j >= 0; j--)
+	{
+	  for (k = 0; k < ff.nlayer; k++)
+	    {
 	      fbuf[l] = ff.z[l];
 	      ibuf[l] = (int) ff.z[l];
 
@@ -487,11 +537,14 @@ void write_fits(char *filename,struct fourframe ff)
   // Set parameters
   qd.filename = filename;
   qd.npix = ff.nlayer * ff.nx * ff.ny;
-  if (ff.type==1) {
+  if (ff.type == 1)
+    {
       qd.ptype = PTYPE_INT;
       qd.ibuf = ibuf;
       qd.out_ptype = BPP_8_UNSIGNED;
-  } else {
+    }
+  else
+    {
       qd.ptype = PTYPE_FLOAT;
       qd.fbuf = fbuf;
       qd.out_ptype = -32;
@@ -507,12 +560,14 @@ void write_fits(char *filename,struct fourframe ff)
 }
 
 // Compute Julian Day from Date
-double date2mjd(int year,int month,double day)
+double
+date2mjd (int year, int month, double day)
 {
   int a, b;
   double jd;
 
-  if (month<3) {
+  if (month < 3)
+    {
       year--;
       month += 12;
     }
@@ -520,23 +575,30 @@ double date2mjd(int year,int month,double day)
   a = floor (year / 100.);
   b = 2. - a + floor (a / 4.);
 
-  if (year<1582) b=0;
+  if (year < 1582)
-  if (year==1582 && month<10) b=0;
+    b = 0;
-  if (year==1582 && month==10 && day<=4) b=0;
+  if (year == 1582 && month < 10)
+    b = 0;
+  if (year == 1582 && month == 10 && day <= 4)
+    b = 0;
 
-  jd=floor(365.25*(year+4716))+floor(30.6001*(month+1))+day+b-1524.5;
+  jd =
+    floor (365.25 * (year + 4716)) + floor (30.6001 * (month + 1)) + day + b -
+    1524.5;
 
   return jd - 2400000.5;
 }
 
 // nfd2mjd
-double nfd2mjd(char *date)
+double
+nfd2mjd (char *date)
 {
   int year, month, day, hour, min;
   double mjd, dday;
   float sec;
 
-  sscanf(date,"%04d-%02d-%02dT%02d:%02d:%f",&year,&month,&day,&hour,&min,&sec);
+  sscanf (date, "%04d-%02d-%02dT%02d:%02d:%f", &year, &month, &day, &hour,
+	  &min, &sec);
   dday = day + hour / 24.0 + min / 1440.0 + sec / 86400.0;
   mjd = date2mjd (year, month, dday);
 
@@ -544,15 +606,18 @@ double nfd2mjd(char *date)
 }
 
 // Write pgm file
-void write_pgm(char *filename,struct fourframe ff)
+void
+write_pgm (char *filename, struct fourframe ff)
 {
   int i, j, k;
   FILE *file;
 
   file = fopen (filename, "w");
   fprintf (file, "P5\n# 2013-01-01T00:00:00\n%d %d\n255\n", ff.nx, ff.ny);
-  for (j=0;j<ff.ny;j++) {
+  for (j = 0; j < ff.ny; j++)
-    for (i=0;i<ff.nx;i++) {
+    {
+      for (i = 0; i < ff.nx; i++)
+	{
 	  k = i + (ff.ny - j - 1) * ff.nx;
 	  fprintf (file, "%c", (char) ff.z[k]);
 	}
@@ -563,7 +628,8 @@ void write_pgm(char *filename,struct fourframe ff)
 }
 
 // Compute Date from Julian Day
-void mjd2date(double mjd,char *date)
+void
+mjd2date (double mjd, char *date)
 {
   double f, jd, dday;
   int z, alpha, a, b, c, d, e;
@@ -578,7 +644,8 @@ void mjd2date(double mjd,char *date)
 
   if (z < 2299161)
     a = z;
-  else {
+  else
+    {
       alpha = floor ((z - 1867216.25) / 36524.25);
       a = z + 1 + alpha - floor (alpha / 4.);
     }
@@ -607,7 +674,8 @@ void mjd2date(double mjd,char *date)
   x = (x - min) / 60.;
   hour = x;
 
-  sprintf(date,"%04d-%02d-%02dT%02d:%02d:%06.3f",year,month,day,hour,min,sec);
+  sprintf (date, "%04d-%02d-%02dT%02d:%02d:%06.3f", year, month, day, hour,
+	   min, sec);
 
   return;
 }

src/planscan.c

@@ -22,7 +22,8 @@
 long Isat = 0;
 long Isatsel = 0;
 extern double SGDP4_jd0;
-struct map {
+struct map
+{
   double lat, lng;
   float alt;
   char observer[32];
@@ -37,12 +38,15 @@ void sunpos_xyz(double mjd,xyz_t *pos,double *ra,double *de);
 double gmst (double mjd);
 double dgmst (double mjd);
 double modulo (double x, double y);
-void equatorial2horizontal(double mjd,double ra,double de,double *azi,double *alt);
+void equatorial2horizontal (double mjd, double ra, double de, double *azi,
+			    double *alt);
 void mjd2date (double mjd, char *date);
-int properties(kep_t K,xyz_t obspos,xyz_t sunpos,float radius,float t,double *ra,double *de,double *r,float *mag);
+int properties (kep_t K, xyz_t obspos, xyz_t sunpos, float radius, float t,
+		double *ra, double *de, double *r, float *mag);
 void dec2s (double x, char *s, int f, int len);
 
-float semimajoraxis(orbit_t orb)
+float
+semimajoraxis (orbit_t orb)
 {
   float xno, eo, xincl;
   float a1, betao2, betao, temp0, del1, a0, del0, xnodp, aodp;
@@ -65,26 +69,37 @@ float semimajoraxis(orbit_t orb)
   return aodp;
 }
 
-void usage(void)
+void
+usage (void)
 {
-  printf("planscan -t <UT Date/time> -c <catalog> -s <site> -l <length> -i <NORAD>\n");
+  printf
+    ("planscan -t <UT Date/time> -c <catalog> -s <site> -l <length> -i <NORAD>\n");
   printf ("         -r <altitude> -A <elevation> -S <elevation>\n\n");
-  printf("-t <UT Date/time>  UT Start date/time in yyyy-mm-ddThh:mm:ss [default: now]\n");
+  printf
-  printf("-c <catalog>       Input TLE catalog to use [default: classfd.tle]\n");
+    ("-t <UT Date/time>  UT Start date/time in yyyy-mm-ddThh:mm:ss [default: now]\n");
+  printf
+    ("-c <catalog>       Input TLE catalog to use [default: classfd.tle]\n");
   printf ("-s <site>          Site number from sites.txt [default: 4171]\n");
-   printf("-l <length>        Search length from UT start in seconds [default: 86400 s]\n");
+  printf
-   printf("-i <NORAD>         NORAD number of satellite to select [default: 41334]\n");
+    ("-l <length>        Search length from UT start in seconds [default: 86400 s]\n");
-   printf("-r <altitude>      Satellite altitude above surface in km [default: mean orbital altitude]\n");
+  printf
-   printf("-A <elevation>     Minimum satellite elevation in degrees [default: 10 degrees]\n");
+    ("-i <NORAD>         NORAD number of satellite to select [default: 41334]\n");
-   printf("-S <elevation>     Maximum solar elevation in degrees [default: -6 degrees\n");
+  printf
+    ("-r <altitude>      Satellite altitude above surface in km [default: mean orbital altitude]\n");
+  printf
+    ("-A <elevation>     Minimum satellite elevation in degrees [default: 10 degrees]\n");
+  printf
+    ("-S <elevation>     Maximum solar elevation in degrees [default: -6 degrees\n");
   printf ("-d <timestep>      Time step in seconds [default: 60s]\n");
-   printf("-C                 Select on culmination instead of maximum brightness\n");
+  printf
+    ("-C                 Select on culmination instead of maximum brightness\n");
   printf ("-h                 Shows this help\n");
 
   return;
 }
 
-int main(int argc,char *argv[])
+int
+main (int argc, char *argv[])
 {
   int arg = 0, imode, i;
   int satno = -1;
@@ -97,7 +112,8 @@ int main(int argc,char *argv[])
   kep_t K;
   double radius = -1;
   xyz_t obspos, obsvel, sunpos;
-  double p,pmin,p0,p1,r,ra,de,azi,alt,sazi,salt,altmin=10.0,saltmin=-6.0,altmax,dp;
+  double p, pmin, p0, p1, r, ra, de, azi, alt, sazi, salt, altmin =
+    10.0, saltmin = -6.0, altmax, dp;
   float mag, mmin;
   int state, pstate, nstate;
   float t, length = 86400.0, dt = 60.0;
@@ -110,8 +126,10 @@ int main(int argc,char *argv[])
   get_site (4171);
 
   // Decode options
-  while ((arg=getopt(argc,argv,"t:c:i:s:l:hS:A:r:d:C"))!=-1) {
+  while ((arg = getopt (argc, argv, "t:c:i:s:l:hS:A:r:d:C")) != -1)
-    switch (arg) {
+    {
+      switch (arg)
+	{
 
 	case 't':
 	  strcpy (nfd, optarg);
@@ -172,20 +190,24 @@ int main(int argc,char *argv[])
     }
 
   // Error checking
-  if (satno<=0) {
+  if (satno <= 0)
+    {
       fprintf (stderr, "ERROR: NORAD satellite number not provided!\n");
       return -1;
     }
 
   // Get TLE
   fp = fopen (tlefile, "rb");
-  if (fp==NULL) {
+  if (fp == NULL)
-    fprintf(stderr,"ERROR: Failed to open file with TLEs (%s)!\n",tlefile);
+    {
+      fprintf (stderr, "ERROR: Failed to open file with TLEs (%s)!\n",
+	       tlefile);
       return -1;
     }
 
   // Read TLE
-  while (read_twoline(fp,satno,&orb)==0) {
+  while (read_twoline (fp, satno, &orb) == 0)
+    {
       Isat = orb.satno;
       imode = init_sgdp4 (&orb);
 
@@ -196,13 +218,15 @@ int main(int argc,char *argv[])
   fclose (fp);
 
   // Object found?
-  if (orb.satno!=satno) {
+  if (orb.satno != satno)
+    {
       fprintf (stderr, "ERROR: Object %d not found in %s!\n", satno, tlefile);
       return -1;
     }
 
   // Object found?
-  if (orb.rev<10.0) {
+  if (orb.rev < 10.0)
+    {
       fprintf (stderr, "ERROR: Object %d is not in a LEO orbit.\n", satno);
       return -1;
     }
@@ -212,18 +236,23 @@ int main(int argc,char *argv[])
     radius = semimajoraxis (orb);
 
   // Print header
-  printf("Observer: %s (%04d) [%+.4f, %+.4f, %.0fm]\n",m.observer,m.site_id,m.lat,m.lng,m.alt*1000.0);
+  printf ("Observer: %s (%04d) [%+.4f, %+.4f, %.0fm]\n", m.observer,
+	  m.site_id, m.lat, m.lng, m.alt * 1000.0);
   printf ("Elements: %s\n", tlefile);
   printf ("Object: %d\n", satno);
   printf ("Radius: %g km\n", radius);
   printf ("Start UT Date/Time: %s for %g h \n\n", nfd, length / 3600.0);
-  printf("UT Date/Time         R.A.      Decl.    Azi.    Alt.  Range    Mag  Sun Alt. Type\n");
+  printf
-  printf("                                        (deg)   (deg) (km)          (deg)\n");
+    ("UT Date/Time         R.A.      Decl.    Azi.    Alt.  Range    Mag  Sun Alt. Type\n");
-  printf("=====================================================================================\n");
+  printf
+    ("                                        (deg)   (deg) (km)          (deg)\n");
+  printf
+    ("=====================================================================================\n");
 
 
 
-  for (t=0.0;t<length;t+=dt) {
+  for (t = 0.0; t < length; t += dt)
+    {
       // (Modified) Julian Date
       mjd = mjd0 + t / 86400.0;
       jd = mjd + 2400000.5;
@@ -240,18 +269,25 @@ int main(int argc,char *argv[])
       // Rough search first
       p0 = 0.0;
       p1 = 2.0 * M_PI;
-    for (i=0,pmin=0.0,mmin=15.0,altmax=0.0;i<MMAX;i++) {
+      for (i = 0, pmin = 0.0, mmin = 15.0, altmax = 0.0; i < MMAX; i++)
+	{
 	  p = p0 + (p1 - p0) * (float) i / (float) (MMAX - 1);
-      state=properties(K,obspos,sunpos,radius,p,&ra,&de,&r,&mag);
+	  state =
+	    properties (K, obspos, sunpos, radius, p, &ra, &de, &r, &mag);
 	  equatorial2horizontal (mjd, ra, de, &azi, &alt);
 
-      if (opttype==0) {
+	  if (opttype == 0)
-	if (mag<mmin) {
+	    {
+	      if (mag < mmin)
+		{
 		  pmin = p;
 		  mmin = mag;
 		}
-      } else if (opttype==1) {
+	    }
-	if (alt>altmax && mag<15.0) {
+	  else if (opttype == 1)
+	    {
+	      if (alt > altmax && mag < 15.0)
+		{
 		  pmin = p;
 		  altmax = alt;
 		}
@@ -261,18 +297,25 @@ int main(int argc,char *argv[])
       // Finer search
       p0 = pmin - 4.0 * M_PI / (float) MMAX;
       p1 = pmin + 4.0 * M_PI / (float) MMAX;
-    for (i=0,pmin=0.0,mmin=15.0;i<MMAX;i++) {
+      for (i = 0, pmin = 0.0, mmin = 15.0; i < MMAX; i++)
+	{
 	  p = p0 + (p1 - p0) * (float) i / (float) (MMAX - 1);
-      state=properties(K,obspos,sunpos,radius,p,&ra,&de,&r,&mag);
+	  state =
+	    properties (K, obspos, sunpos, radius, p, &ra, &de, &r, &mag);
 	  equatorial2horizontal (mjd, ra, de, &azi, &alt);
 
-      if (opttype==0) {
+	  if (opttype == 0)
-	if (mag<mmin) {
+	    {
+	      if (mag < mmin)
+		{
 		  pmin = p;
 		  mmin = mag;
 		}
-      } else if (opttype==1) {
+	    }
-	if (alt>altmax && mag<15.0) {
+	  else if (opttype == 1)
+	    {
+	      if (alt > altmax && mag < 15.0)
+		{
 		  pmin = p;
 		  altmax = alt;
 		}
@@ -280,9 +323,14 @@ int main(int argc,char *argv[])
 	}
 
       // Get properties before and after maximum
-    pstate=properties(K,obspos,sunpos,radius,pmin-0.01,&ra,&de,&r,&mag);
+      pstate =
-    nstate=properties(K,obspos,sunpos,radius,pmin+0.01,&ra,&de,&r,&mag);
+	properties (K, obspos, sunpos, radius, pmin - 0.01, &ra, &de, &r,
-    state=properties(K,obspos,sunpos,radius,pmin,&ra,&de,&r,&mag);
+		    &mag);
+      nstate =
+	properties (K, obspos, sunpos, radius, pmin + 0.01, &ra, &de, &r,
+		    &mag);
+      state =
+	properties (K, obspos, sunpos, radius, pmin, &ra, &de, &r, &mag);
       if (pstate < state && state == nstate)
 	strcpy (type, "Egress");
       else if (pstate == state && state > nstate)
@@ -299,14 +347,16 @@ int main(int argc,char *argv[])
       dec2s (ra / 15.0, sra, 0, 2);
       dec2s (de, sde, 0, 2);
       if (alt > altmin && salt < saltmin)
-      printf("%s %s %s %6.2f %6.2f %7.1f %5.2f %6.2f   %s\n",nfd,sra,sde,azi,alt,r,mag,salt,type);
+	printf ("%s %s %s %6.2f %6.2f %7.1f %5.2f %6.2f   %s\n", nfd, sra,
+		sde, azi, alt, r, mag, salt, type);
     }
 
   return 0;
 }
 
 // Get observing site
-void get_site(int site_id)
+void
+get_site (int site_id)
 {
   int i = 0;
   char line[LIM];
@@ -319,11 +369,14 @@ void get_site(int site_id)
   env = getenv ("ST_DATADIR");
   sprintf (filename, "%s/data/sites.txt", env);
   file = fopen (filename, "r");
-  if (file==NULL) {
+  if (file == NULL)
-    fprintf(stderr,"File with site information not found (%s)!\n",filename);
+    {
+      fprintf (stderr, "File with site information not found (%s)!\n",
+	       filename);
       return;
     }
-  while (fgets(line,LIM,file)!=NULL) {
+  while (fgets (line, LIM, file) != NULL)
+    {
       // Skip
       if (strstr (line, "#") != NULL)
 	continue;
@@ -332,14 +385,14 @@ void get_site(int site_id)
       line[strlen (line) - 1] = '\0';
 
       // Read data
-    sscanf(line,"%4d %2s %lf %lf %f",
+      sscanf (line, "%4d %2s %lf %lf %f", &id, abbrev, &lat, &lng, &alt);
-	   &id,abbrev,&lat,&lng,&alt);
       strcpy (observer, line + 38);
 
       // Change to km
       alt /= 1000.0;
 
-    if (id==site_id) {
+      if (id == site_id)
+	{
 	  m.lat = lat;
 	  m.lng = lng;
 	  m.alt = alt;
@@ -354,12 +407,14 @@ void get_site(int site_id)
 }
 
 // nfd2mjd
-double nfd2mjd(char *date)
+double
+nfd2mjd (char *date)
 {
   int year, month, day, hour, min, sec;
   double mjd, dday;
 
-  sscanf(date,"%04d-%02d-%02dT%02d:%02d:%02d",&year,&month,&day,&hour,&min,&sec);
+  sscanf (date, "%04d-%02d-%02dT%02d:%02d:%02d", &year, &month, &day, &hour,
+	  &min, &sec);
   dday = day + hour / 24.0 + min / 1440.0 + sec / 86400.0;
 
   mjd = date2mjd (year, month, dday);
@@ -368,12 +423,14 @@ double nfd2mjd(char *date)
 }
 
 // Compute Julian Day from Date
-double date2mjd(int year,int month,double day)
+double
+date2mjd (int year, int month, double day)
 {
   int a, b;
   double jd;
 
-  if (month<3) {
+  if (month < 3)
+    {
       year--;
       month += 12;
     }
@@ -381,17 +438,23 @@ double date2mjd(int year,int month,double day)
   a = floor (year / 100.);
   b = 2. - a + floor (a / 4.);
 
-  if (year<1582) b=0;
+  if (year < 1582)
-  if (year==1582 && month<10) b=0;
+    b = 0;
-  if (year==1582 && month==10 && day<=4) b=0;
+  if (year == 1582 && month < 10)
+    b = 0;
+  if (year == 1582 && month == 10 && day <= 4)
+    b = 0;
 
-  jd=floor(365.25*(year+4716))+floor(30.6001*(month+1))+day+b-1524.5;
+  jd =
+    floor (365.25 * (year + 4716)) + floor (30.6001 * (month + 1)) + day + b -
+    1524.5;
 
   return jd - 2400000.5;
 }
 
 // Present nfd
-void nfd_now(char *s)
+void
+nfd_now (char *s)
 {
   time_t rawtime;
   struct tm *ptm;
@@ -400,13 +463,16 @@ void nfd_now(char *s)
   time (&rawtime);
   ptm = gmtime (&rawtime);
 
-  sprintf(s,"%04d-%02d-%02dT%02d:%02d:%02d",ptm->tm_year+1900,ptm->tm_mon+1,ptm->tm_mday,ptm->tm_hour,ptm->tm_min,ptm->tm_sec);
+  sprintf (s, "%04d-%02d-%02dT%02d:%02d:%02d", ptm->tm_year + 1900,
+	   ptm->tm_mon + 1, ptm->tm_mday, ptm->tm_hour, ptm->tm_min,
+	   ptm->tm_sec);
 
   return;
 }
 
 // Observer position
-void obspos_xyz(double mjd,xyz_t *pos,xyz_t *vel)
+void
+obspos_xyz (double mjd, xyz_t * pos, xyz_t * vel)
 {
   double ff, gc, gs, theta, s, dtheta;
 
@@ -429,7 +495,8 @@ void obspos_xyz(double mjd,xyz_t *pos,xyz_t *vel)
 }
 
 // Solar position
-void sunpos_xyz(double mjd,xyz_t *pos,double *ra,double *de)
+void
+sunpos_xyz (double mjd, xyz_t * pos, double *ra, double *de)
 {
   double jd, t, l0, m, e, c, r;
   double n, s, ecl;
@@ -446,7 +513,10 @@ void sunpos_xyz(double mjd,xyz_t *pos,double *ra,double *de)
   r = 1.000001018 * (1.0 - e * e) / (1.0 + e * cos (m + c));
   n = modulo (125.04 - 1934.136 * t, 360.0) * D2R;
   s = l0 + c + (-0.00569 - 0.00478 * sin (n)) * D2R;
-  ecl=(23.43929111+(-46.8150*t-0.00059*t*t+0.001813*t*t*t)/3600.0+0.00256*cos(n))*D2R;
+  ecl =
+    (23.43929111 +
+     (-46.8150 * t - 0.00059 * t * t + 0.001813 * t * t * t) / 3600.0 +
+     0.00256 * cos (n)) * D2R;
 
   *ra = atan2 (cos (ecl) * sin (s), cos (s)) * R2D;
   *de = asin (sin (ecl) * sin (s)) * R2D;
@@ -459,7 +529,8 @@ void sunpos_xyz(double mjd,xyz_t *pos,double *ra,double *de)
 }
 
 // Greenwich Mean Sidereal Time
-double dgmst(double mjd)
+double
+dgmst (double mjd)
 {
   double t, dgmst;
 
@@ -471,41 +542,55 @@ double dgmst(double mjd)
 }
 
 // Greenwich Mean Sidereal Time
-double gmst(double mjd)
+double
+gmst (double mjd)
 {
   double t, gmst;
 
   t = (mjd - 51544.5) / 36525.0;
 
-  gmst=modulo(280.46061837+360.98564736629*(mjd-51544.5)+t*t*(0.000387933-t/38710000),360.0);
+  gmst =
+    modulo (280.46061837 + 360.98564736629 * (mjd - 51544.5) +
+	    t * t * (0.000387933 - t / 38710000), 360.0);
 
   return gmst;
 }
 
 // Return x modulo y [0,y)
-double modulo(double x,double y)
+double
+modulo (double x, double y)
 {
   x = fmod (x, y);
-  if (x<0.0) x+=y;
+  if (x < 0.0)
+    x += y;
 
   return x;
 }
 
 // Convert equatorial into horizontal coordinates
-void equatorial2horizontal(double mjd,double ra,double de,double *azi,double *alt)
+void
+equatorial2horizontal (double mjd, double ra, double de, double *azi,
+		       double *alt)
 {
   double h;
 
   h = gmst (mjd) + m.lng - ra;
 
-  *azi=modulo(atan2(sin(h*D2R),cos(h*D2R)*sin(m.lat*D2R)-tan(de*D2R)*cos(m.lat*D2R))*R2D,360.0);
+  *azi =
-  *alt=asin(sin(m.lat*D2R)*sin(de*D2R)+cos(m.lat*D2R)*cos(de*D2R)*cos(h*D2R))*R2D;
+    modulo (atan2
+	    (sin (h * D2R),
+	     cos (h * D2R) * sin (m.lat * D2R) -
+	     tan (de * D2R) * cos (m.lat * D2R)) * R2D, 360.0);
+  *alt =
+    asin (sin (m.lat * D2R) * sin (de * D2R) +
+	  cos (m.lat * D2R) * cos (de * D2R) * cos (h * D2R)) * R2D;
 
   return;
 }
 
 // Compute Date from Julian Day
-void mjd2date(double mjd,char *date)
+void
+mjd2date (double mjd, char *date)
 {
   double f, jd, dday;
   int z, alpha, a, b, c, d, e;
@@ -520,7 +605,8 @@ void mjd2date(double mjd,char *date)
 
   if (z < 2299161)
     a = z;
-  else {
+  else
+    {
       alpha = floor ((z - 1867216.25) / 36524.25);
       a = z + 1 + alpha - floor (alpha / 4.);
     }
@@ -550,12 +636,15 @@ void mjd2date(double mjd,char *date)
   hour = x;
   sec = floor (1000.0 * sec) / 1000.0;
 
-  sprintf(date,"%04d-%02d-%02dT%02d:%02d:%02.0f",year,month,day,hour,min,sec);
+  sprintf (date, "%04d-%02d-%02dT%02d:%02d:%02.0f", year, month, day, hour,
+	   min, sec);
 
   return;
 }
 
-int properties(kep_t K,xyz_t obspos,xyz_t sunpos,float radius,float t,double *ra,double *de,double *r,float *mag)
+int
+properties (kep_t K, xyz_t obspos, xyz_t sunpos, float radius, float t,
+	    double *ra, double *de, double *r, float *mag)
 {
   double st, ct, sn, cn, si, ci;
   xyz_t satpos;
@@ -585,14 +674,17 @@ int properties(kep_t K,xyz_t obspos,xyz_t sunpos,float radius,float t,double *ra
 
   // Distances
   rsun = sqrt (dx * dx + dy * dy + dz * dz);
-  rearth=sqrt(satpos.x*satpos.x+satpos.y*satpos.y+satpos.z*satpos.z);
+  rearth =
+    sqrt (satpos.x * satpos.x + satpos.y * satpos.y + satpos.z * satpos.z);
 
   // Angles
   psun = asin (696.0e3 / rsun) * R2D;
   pearth = asin (6378.135 / rearth) * R2D;
 
   pearth = asin (6378.135 / rearth) * R2D;
-  p=acos((-dx*satpos.x-dy*satpos.y-dz*satpos.z)/(rsun*rearth))*R2D;
+  p =
+    acos ((-dx * satpos.x - dy * satpos.y -
+	   dz * satpos.z) / (rsun * rearth)) * R2D;
   p -= pearth;
 
   // Position differences
@@ -606,23 +698,36 @@ int properties(kep_t K,xyz_t obspos,xyz_t sunpos,float radius,float t,double *ra
   *de = asin (dz / *r) * R2D;
 
   // Visibility
-  if (p<-psun) {
+  if (p < -psun)
+    {
       //    strcpy(state,"eclipsed");
       state = 0;
-  } else if (p>-psun && p<psun) {
+    }
+  else if (p > -psun && p < psun)
+    {
       //    strcpy(state,"umbra");
       state = 1;
-  } else if (p>psun) {
+    }
+  else if (p > psun)
+    {
       //    strcpy(state,"sunlit");
       state = 2;
     }
 
   // Phase
-  phase=acos(((obspos.x-satpos.x)*(sunpos.x-satpos.x)+(obspos.y-satpos.y)*(sunpos.y-satpos.y)+(obspos.z-satpos.z)*(sunpos.z-satpos.z))/(rsun* *r))*R2D;
+  phase =
+    acos (((obspos.x - satpos.x) * (sunpos.x - satpos.x) +
+	   (obspos.y - satpos.y) * (sunpos.y - satpos.y) + (obspos.z -
+							    satpos.z) *
+	   (sunpos.z - satpos.z)) / (rsun * *r)) * R2D;
 
   // Magnitude
   if (state == 2)
-    *mag=STDMAG-15.0+5*log10( *r)-2.5*log10(sin(phase*D2R)+(M_PI-phase*D2R)*cos(phase*D2R));
+    *mag =
+      STDMAG - 15.0 + 5 * log10 (*r) - 2.5 * log10 (sin (phase * D2R) +
+						    (M_PI -
+						     phase * D2R) *
+						    cos (phase * D2R));
   else
     *mag = 15;
 
@@ -630,7 +735,8 @@ int properties(kep_t K,xyz_t obspos,xyz_t sunpos,float radius,float t,double *ra
 }
 
 // Convert Decimal into Sexagesimal
-void dec2s(double x,char *s,int f,int len)
+void
+dec2s (double x, char *s, int f, int len)
 {
   int i;
   double sec, deg, min;
@@ -647,11 +753,21 @@ void dec2s(double x,char *s,int f,int len)
   //  deg=fmod(x,60.);
   deg = x;
 
-  if (len==7) sprintf(s,"%c%02i%c%02i%c%07.4f%c",sign,(int) deg,form[f][0],(int) min,form[f][1],sec,form[f][2]);
+  if (len == 7)
-  if (len==6) sprintf(s,"%c%02i%c%02i%c%06.3f%c",sign,(int) deg,form[f][0],(int) min,form[f][1],sec,form[f][2]);
+    sprintf (s, "%c%02i%c%02i%c%07.4f%c", sign, (int) deg, form[f][0],
-  if (len==5) sprintf(s,"%c%02i%c%02i%c%05.2f%c",sign,(int) deg,form[f][0],(int) min,form[f][1],sec,form[f][2]);
+	     (int) min, form[f][1], sec, form[f][2]);
-  if (len==4) sprintf(s,"%c%02i%c%02i%c%04.1f%c",sign,(int) deg,form[f][0],(int) min,form[f][1],sec,form[f][2]);
+  if (len == 6)
-  if (len==2) sprintf(s,"%c%02i%c%02i%c%02i%c",sign,(int) deg,form[f][0],(int) min,form[f][1],(int) floor(sec),form[f][2]);
+    sprintf (s, "%c%02i%c%02i%c%06.3f%c", sign, (int) deg, form[f][0],
+	     (int) min, form[f][1], sec, form[f][2]);
+  if (len == 5)
+    sprintf (s, "%c%02i%c%02i%c%05.2f%c", sign, (int) deg, form[f][0],
+	     (int) min, form[f][1], sec, form[f][2]);
+  if (len == 4)
+    sprintf (s, "%c%02i%c%02i%c%04.1f%c", sign, (int) deg, form[f][0],
+	     (int) min, form[f][1], sec, form[f][2]);
+  if (len == 2)
+    sprintf (s, "%c%02i%c%02i%c%02i%c", sign, (int) deg, form[f][0],
+	     (int) min, form[f][1], (int) floor (sec), form[f][2]);
 
   return;
 }

src/plotfits.c

@@ -13,12 +13,14 @@
 #define R2D 180.0/M_PI
 #define NMAX 4096
 
-struct star {
+struct star
+{
   double ra, de;
   float pmra, pmde;
   float mag;
 };
-struct image {
+struct image
+{
   int naxis1, naxis2, naxis3;
   float *z;
   float zmin, zmax;
@@ -27,13 +29,15 @@ struct image {
   float a[3], b[3];
   double mjd;
 } img;
-struct catalog {
+struct catalog
+{
   int n;
   float x[NMAX], y[NMAX], mag[NMAX];
   double ra[NMAX], de[NMAX], rx[NMAX], ry[NMAX];
   int select[NMAX];
 };
-struct map {
+struct map
+{
   double lat, lng;
   float alt;
   int site_id;
@@ -42,17 +46,21 @@ struct map {
 
 struct image read_fits (char *filename, int pnum);
 int fgetline (FILE *, char *, int);
-void forward(double ra0,double de0,double ra,double de,double *x,double *y);
+void forward (double ra0, double de0, double ra, double de, double *x,
+	      double *y);
 void reverse (double, double, double, double, double *, double *);
 void lfit2d (float *x, float *y, float *z, int n, float *a);
 struct catalog read_pixel_catalog (char *filename);
 double gmst (double mjd);
 double modulo (double x, double y);
-void precess(double mjd0,double ra0,double de0,double mjd,double *ra,double *de);
+void precess (double mjd0, double ra0, double de0, double mjd, double *ra,
+	      double *de);
 double s2dec (char *s);
 
 // Read astrometric catalog
-struct catalog read_astrometric_catalog(char *filename,float mmin,float sx,float sy,float angle)
+struct catalog
+read_astrometric_catalog (char *filename, float mmin, float sx, float sy,
+			  float angle)
 {
   int i = 0;
   FILE *file;
@@ -64,18 +72,23 @@ struct catalog read_astrometric_catalog(char *filename,float mmin,float sx,float
   double mjd0 = 51544.5;
 
   file = fopen (filename, "rb");
-  if (file==NULL) {
+  if (file == NULL)
+    {
       fprintf (stderr, "%s not found!\n", filename);
       exit (0);
     }
-  while (!feof(file)) {
+  while (!feof (file))
+    {
       fread (&s, sizeof (struct star), 1, file);
       if (s.mag > mmin)
 	continue;
       precess (mjd0, s.ra, s.de, img.mjd, &ra, &de);
       forward (img.ra0, img.de0, ra, de, &rx, &ry);
-    x=img.x0+1.0/sx*(cos(angle*D2R)*rx+sin(angle*D2R)*ry);
+      x =
-    y=img.y0+1.0/sy*(-sin(angle*D2R)*rx+cos(angle*D2R)*ry);
+	img.x0 + 1.0 / sx * (cos (angle * D2R) * rx + sin (angle * D2R) * ry);
+      y =
+	img.y0 + 1.0 / sy * (-sin (angle * D2R) * rx +
+			     cos (angle * D2R) * ry);
       /*
          } else if (t.state==1) {
          dx=rx-t.a[0];
@@ -85,7 +98,8 @@ struct catalog read_astrometric_catalog(char *filename,float mmin,float sx,float
          y=(t.a[1]*dy-t.b[1]*dx)/d;
          }
        */
-    if (x>0.0 && x<img.naxis1 && y>0.0 && y<img.naxis2) {
+      if (x > 0.0 && x < img.naxis1 && y > 0.0 && y < img.naxis2)
+	{
 	  c.x[i] = x;
 	  c.y[i] = y;
 	  c.rx[i] = rx;
@@ -104,7 +118,8 @@ struct catalog read_astrometric_catalog(char *filename,float mmin,float sx,float
 }
 
 // Read astrometric catalog
-struct catalog reread_astrometric_catalog(char *filename,float mmin)
+struct catalog
+reread_astrometric_catalog (char *filename, float mmin)
 {
   int i = 0;
   FILE *file;
@@ -116,7 +131,8 @@ struct catalog reread_astrometric_catalog(char *filename,float mmin)
   double mjd0 = 51544.5;
 
   file = fopen (filename, "rb");
-  while (!feof(file)) {
+  while (!feof (file))
+    {
       fread (&s, sizeof (struct star), 1, file);
       if (s.mag > mmin)
 	continue;
@@ -127,7 +143,8 @@ struct catalog reread_astrometric_catalog(char *filename,float mmin)
       d = img.a[1] * img.b[2] - img.a[2] * img.b[1];
       x = (img.b[2] * dx - img.a[2] * dy) / d + img.x0;
       y = (img.a[1] * dy - img.b[1] * dx) / d + img.y0;
-    if (x>0.0 && x<img.naxis1 && y>0.0 && y<img.naxis2) {
+      if (x > 0.0 && x < img.naxis1 && y > 0.0 && y < img.naxis2)
+	{
 	  c.x[i] = x;
 	  c.y[i] = y;
 	  c.rx[i] = rx;
@@ -145,14 +162,17 @@ struct catalog reread_astrometric_catalog(char *filename,float mmin)
   return c;
 }
 
-int select_nearest(struct catalog c,float x,float y)
+int
+select_nearest (struct catalog c, float x, float y)
 {
   int i, imin;
   float r, rmin;
 
-  for (i=0;i<c.n;i++) {
+  for (i = 0; i < c.n; i++)
+    {
       r = sqrt (pow (x - c.x[i], 2) + pow (y - c.y[i], 2));
-    if (i==0 || r<rmin) {
+      if (i == 0 || r < rmin)
+	{
 	  imin = i;
 	  rmin = r;
 	}
@@ -162,7 +182,8 @@ int select_nearest(struct catalog c,float x,float y)
 }
 
 // Fit transformation
-void fit_transformation(struct catalog cat,struct catalog ast,int nselect)
+void
+fit_transformation (struct catalog cat, struct catalog ast, int nselect)
 {
   int i, j;
   float *x, *y, *rx, *ry;
@@ -172,15 +193,20 @@ void fit_transformation(struct catalog cat,struct catalog ast,int nselect)
   rx = (float *) malloc (sizeof (float) * nselect);
   ry = (float *) malloc (sizeof (float) * nselect);
 
-  for (i=0;i<nselect;i++) {
+  for (i = 0; i < nselect; i++)
-    for (j=0;j<cat.n;j++) {
+    {
-      if (cat.select[j]==i+1) {
+      for (j = 0; j < cat.n; j++)
+	{
+	  if (cat.select[j] == i + 1)
+	    {
 	      x[i] = cat.x[j] - img.x0;
 	      y[i] = cat.y[j] - img.y0;
 	    }
 	}
-    for (j=0;j<ast.n;j++) {
+      for (j = 0; j < ast.n; j++)
-      if (ast.select[j]==i+1) {
+	{
+	  if (ast.select[j] == i + 1)
+	    {
 	      rx[i] = ast.rx[j];
 	      ry[i] = ast.ry[j];
 	    }
@@ -195,7 +221,8 @@ void fit_transformation(struct catalog cat,struct catalog ast,int nselect)
   return;
 }
 
-int match_catalogs(struct catalog *cat,struct catalog *ast,float rmax)
+int
+match_catalogs (struct catalog *cat, struct catalog *ast, float rmax)
 {
   int i, j, jmin, n, flag = 0;
   float r, rmin;
@@ -208,19 +235,26 @@ int match_catalogs(struct catalog *cat,struct catalog *ast,float rmax)
     ast->select[i] = 0;
 
   file = fopen ("out.dat", "w");
-  for (i=0,n=0;i<cat->n;i++) {
+  for (i = 0, n = 0; i < cat->n; i++)
-    for (j=0,flag=0;j<ast->n;j++) {
+    {
+      for (j = 0, flag = 0; j < ast->n; j++)
+	{
 	  if (ast->select[j] != 0)
 	    continue;
-      r=sqrt(pow(cat->x[i]-ast->x[j],2)+pow(cat->y[i]-ast->y[j],2));
+	  r =
-      if (flag==0 || r<rmin) {
+	    sqrt (pow (cat->x[i] - ast->x[j], 2) +
+		  pow (cat->y[i] - ast->y[j], 2));
+	  if (flag == 0 || r < rmin)
+	    {
 	      rmin = r;
 	      jmin = j;
 	      flag = 1;
 	    }
 	}
-    if (rmin<rmax) {
+      if (rmin < rmax)
-      fprintf(file,"%10.4f %10.4f %10.6f %10.6f\n",cat->x[i]-img.x0,cat->y[i]-img.y0,ast->ra[jmin],ast->de[jmin]);
+	{
+	  fprintf (file, "%10.4f %10.4f %10.6f %10.6f\n", cat->x[i] - img.x0,
+		   cat->y[i] - img.y0, ast->ra[jmin], ast->de[jmin]);
 	  cat->select[i] = n + 1;
 	  ast->select[jmin] = n + 1;
 	  n++;
@@ -233,7 +267,8 @@ int match_catalogs(struct catalog *cat,struct catalog *ast,float rmax)
 }
 
 // Get observing site
-void get_site(int site_id)
+void
+get_site (int site_id)
 {
   int i = 0;
   char line[LIM];
@@ -246,11 +281,13 @@ void get_site(int site_id)
   env = getenv ("ST_DATADIR");
   sprintf (filename, "%s/data/sites.txt", env);
   file = fopen (filename, "r");
-  if (file==NULL) {
+  if (file == NULL)
+    {
       printf ("File with site information not found!\n");
       return;
     }
-  while (fgets(line,LIM,file)!=NULL) {
+  while (fgets (line, LIM, file) != NULL)
+    {
       // Skip
       if (strstr (line, "#") != NULL)
 	continue;
@@ -259,14 +296,14 @@ void get_site(int site_id)
       line[strlen (line) - 1] = '\0';
 
       // Read data
-    sscanf(line,"%4d %2s %lf %lf %f",
+      sscanf (line, "%4d %2s %lf %lf %f", &id, abbrev, &lat, &lng, &alt);
-	   &id,abbrev,&lat,&lng,&alt);
       strcpy (observer, line + 38);
 
       // Change to km
       alt /= 1000.0;
 
-    if (id==site_id) {
+      if (id == site_id)
+	{
 	  m.lat = lat;
 	  m.lng = lng;
 	  m.alt = alt;
@@ -280,7 +317,8 @@ void get_site(int site_id)
   return;
 }
 
-int main(int argc,char *argv[])
+int
+main (int argc, char *argv[])
 {
   int i;
   float tr[] = { -0.5, 1.0, 0.0, -0.5, 0.0, 1.0 };
@@ -313,15 +351,19 @@ int main(int argc,char *argv[])
   printf ("Image read\n");
 
   // Initial transformation
-  if (argc==7) {
+  if (argc == 7)
+    {
       s = atof (argv[2]);
       img.ra0 = atof (argv[3]);
       img.de0 = atof (argv[4]);
       q = atof (argv[5]);
       mag = atof (argv[6]);
-  } else {
+    }
+  else
+    {
       file = fopen ("position.txt", "r");
-    if (file==NULL) {
+      if (file == NULL)
+	{
 	  fprintf (stderr, "No position file found\n");
 	  return 0;
 	}
@@ -334,7 +376,10 @@ int main(int argc,char *argv[])
 
       // Hour angle
       h = gmst (img.mjd) + m.lng - img.ra0;
-    q=atan2(sin(h*D2R),(tan(m.lat*D2R)*cos(img.de0*D2R)-sin(img.de0*D2R)*cos(h*D2R)))*R2D;
+      q =
+	atan2 (sin (h * D2R),
+	       (tan (m.lat * D2R) * cos (img.de0 * D2R) -
+		sin (img.de0 * D2R) * cos (h * D2R))) * R2D;
       printf ("Hour angle: %.3f deg, parallactic angle: %.3f deg\n", h, q);
     }
   img.x0 = 0.5 * (float) img.naxis1;
@@ -354,15 +399,20 @@ int main(int argc,char *argv[])
   cpgctab (heat_l, heat_r, heat_g, heat_b, 5, 1.0, 0.5);
 
   // For ever loop
-  for (;;) {      
+  for (;;)
-    if (redraw==1) {
+    {
-      cpgimag(img.z,img.naxis1,img.naxis2,1,img.naxis1,1,img.naxis2,img.zmin,img.zmax,tr);
+      if (redraw == 1)
+	{
+	  cpgimag (img.z, img.naxis1, img.naxis2, 1, img.naxis1, 1,
+		   img.naxis2, img.zmin, img.zmax, tr);
 	  cpgbox ("BCTSNI", 0., 0, "BCTSNI", 0., 0);
 
 	  // Plot catalogs
-      if (plotstars==1) {
+	  if (plotstars == 1)
+	    {
 	      cpgsci (3);
-	for (i=0;i<cat.n;i++) {
+	      for (i = 0; i < cat.n; i++)
+		{
 		  if (cat.select[i] != 0)
 		    cpgpt1 (cat.x[i], cat.y[i], 6);
 		  else
@@ -370,7 +420,8 @@ int main(int argc,char *argv[])
 		}
 	    }
 	  cpgsci (4);
-      for (i=0;i<ast.n;i++) {
+	  for (i = 0; i < ast.n; i++)
+	    {
 	      r = rmax - (rmax - rmin) * (ast.mag[i] - mmin) / (mmax - mmin);
 
 	      // Upscale for image size
@@ -390,20 +441,23 @@ int main(int argc,char *argv[])
 	break;
 
       // Fit
-    if (c=='f' && nselect>=3) {
+      if (c == 'f' && nselect >= 3)
+	{
 	  fit_transformation (cat, ast, nselect);
 	  ast = reread_astrometric_catalog (starfile, mag + 1);
 	  redraw = 1;
 	}
 
       // Reread
-    if (c=='r') {
+      if (c == 'r')
+	{
 	  ast = reread_astrometric_catalog (starfile, mag + 1);
 	  redraw = 1;
 	}
 
       // Select pixel catalog
-    if (c=='a' && click==0) {
+      if (c == 'a' && click == 0)
+	{
 	  i = select_nearest (cat, x, y);
 	  cat.select[i] = nselect + 1;
 	  redraw = 1;
@@ -411,7 +465,8 @@ int main(int argc,char *argv[])
 	}
 
       // Select catalog
-    if (c=='b' && click==1) {
+      if (c == 'b' && click == 1)
+	{
 	  i = select_nearest (ast, x, y);
 	  ast.select[i] = nselect + 1;
 	  redraw = 1;
@@ -420,7 +475,8 @@ int main(int argc,char *argv[])
 	}
 
       // 
-    if (c=='p') {
+      if (c == 'p')
+	{
 	  if (plotstars == 1)
 	    plotstars = 0;
 	  else if (plotstars == 0)
@@ -429,7 +485,8 @@ int main(int argc,char *argv[])
 	}
 
       // Match catalogs
-    if (c=='m') {
+      if (c == 'm')
+	{
 	  nselect = match_catalogs (&cat, &ast, 10.0);
 	  redraw = 1;
 	}
@@ -440,7 +497,8 @@ int main(int argc,char *argv[])
 }
 
 // Read fits image
-struct image read_fits(char *filename,int pnum)
+struct image
+read_fits (char *filename, int pnum)
 {
   int i, j, k, l, m;
   qfitsloader ql;
@@ -475,15 +533,18 @@ struct image read_fits(char *filename,int pnum)
   img.z = (float *) malloc (sizeof (float) * img.naxis1 * img.naxis2);
 
   // Fill z array
-  for (i=0,l=0,m=0;i<img.naxis1;i++) {
+  for (i = 0, l = 0, m = 0; i < img.naxis1; i++)
-    for (j=0;j<img.naxis2;j++) {
+    {
+      for (j = 0; j < img.naxis2; j++)
+	{
 	  img.z[l] = ql.fbuf[l];
 	  l++;
 	}
     }
 
   // Get levels
-  for (i=0,s1=0.0,s2=0.0;i<img.naxis1*img.naxis2;i++) {
+  for (i = 0, s1 = 0.0, s2 = 0.0; i < img.naxis1 * img.naxis2; i++)
+    {
       s1 += img.z[i];
       s2 += img.z[i] * img.z[i];
     }
@@ -497,7 +558,8 @@ struct image read_fits(char *filename,int pnum)
 }
 
 // Read a line of maximum length int lim from file FILE into string s
-int fgetline(FILE *file,char *s,int lim)
+int
+fgetline (FILE * file, char *s, int lim)
 {
   int c, i = 0;
 
@@ -511,7 +573,8 @@ int fgetline(FILE *file,char *s,int lim)
 
 
 // Linear 2D fit
-void lfit2d(float *x,float *y,float *z,int n,float *a)
+void
+lfit2d (float *x, float *y, float *z, int n, float *a)
 {
   int i;
   double chisq;
@@ -526,7 +589,8 @@ void lfit2d(float *x,float *y,float *z,int n,float *a)
   cov = gsl_matrix_alloc (3, 3);
 
   // Fill matrices
-  for(i=0;i<n;i++) {
+  for (i = 0; i < n; i++)
+    {
       gsl_matrix_set (X, i, 0, 1.0);
       gsl_matrix_set (X, i, 1, x[i]);
       gsl_matrix_set (X, i, 2, y[i]);
@@ -554,7 +618,8 @@ void lfit2d(float *x,float *y,float *z,int n,float *a)
 }
 
 // Read pixel catalog
-struct catalog read_pixel_catalog(char *filename)
+struct catalog
+read_pixel_catalog (char *filename)
 {
   int i = 0;
   FILE *file;
@@ -563,11 +628,13 @@ struct catalog read_pixel_catalog(char *filename)
 
   // Read catalog
   file = fopen (filename, "r");
-  if (file==NULL) {
+  if (file == NULL)
+    {
       fprintf (stderr, "%s not found!\n", filename);
       exit (0);
     }
-  while (fgetline(file,line,LIM)>0) {
+  while (fgetline (file, line, LIM) > 0)
+    {
       if (strstr (line, "#") != NULL)
 	continue;
       sscanf (line, "%f %f %f", &c.x[i], &c.y[i], &c.mag[i]);
@@ -581,28 +648,35 @@ struct catalog read_pixel_catalog(char *filename)
 }
 
 // Greenwich Mean Sidereal Time
-double gmst(double mjd)
+double
+gmst (double mjd)
 {
   double t, gmst;
 
   t = (mjd - 51544.5) / 36525.0;
 
-  gmst=modulo(280.46061837+360.98564736629*(mjd-51544.5)+t*t*(0.000387933-t/38710000),360.0);
+  gmst =
+    modulo (280.46061837 + 360.98564736629 * (mjd - 51544.5) +
+	    t * t * (0.000387933 - t / 38710000), 360.0);
 
   return gmst;
 }
 
 // Return x modulo y [0,y)
-double modulo(double x,double y)
+double
+modulo (double x, double y)
 {
   x = fmod (x, y);
-  if (x<0.0) x+=y;
+  if (x < 0.0)
+    x += y;
 
   return x;
 }
 
 // Precess a celestial position                                                 
-void precess(double mjd0,double ra0,double de0,double mjd,double *ra,double *de)
+void
+precess (double mjd0, double ra0, double de0, double mjd, double *ra,
+	 double *de)
 {
   double t0, t;
   double zeta, z, theta;
@@ -643,7 +717,8 @@ void precess(double mjd0,double ra0,double de0,double mjd,double *ra,double *de)
 }
 
 // Convert Sexagesimal into Decimal
-double s2dec(char *s)
+double
+s2dec (char *s)
 {
   double x;
   float deg, min, sec;
@@ -656,7 +731,8 @@ double s2dec(char *s)
   sec = fabs (atof (strtok (NULL, " :")));
 
   x = (double) deg + (double) min / 60. + (double) sec / 3600.;
-  if (s[0]=='-') x= -x;
+  if (s[0] == '-')
+    x = -x;
 
   return x;
 }

src/posmatch.c

@@ -9,7 +9,8 @@
 #define LIM 80
 
 // Cross product
-xyz_t cross(xyz_t a,xyz_t b)
+xyz_t
+cross (xyz_t a, xyz_t b)
 {
   xyz_t c;
 
@@ -21,7 +22,8 @@ xyz_t cross(xyz_t a,xyz_t b)
 }
 
 // Read a line of maximum length int lim from file FILE into string s
-int fgetline(FILE *file,char *s,int lim)
+int
+fgetline (FILE * file, char *s, int lim)
 {
   int c, i = 0;
 
@@ -36,12 +38,14 @@ int fgetline(FILE *file,char *s,int lim)
 }
 
 // Compute Julian Day from Date
-double date2mjd(int year,int month,double day)
+double
+date2mjd (int year, int month, double day)
 {
   int a, b;
   double jd;
 
-  if (month<3) {
+  if (month < 3)
+    {
       year--;
       month += 12;
     }
@@ -49,17 +53,23 @@ double date2mjd(int year,int month,double day)
   a = floor (year / 100.);
   b = 2. - a + floor (a / 4.);
 
-  if (year<1582) b=0;
+  if (year < 1582)
-  if (year==1582 && month<10) b=0;
+    b = 0;
-  if (year==1582 && month==10 && day<=4) b=0;
+  if (year == 1582 && month < 10)
+    b = 0;
+  if (year == 1582 && month == 10 && day <= 4)
+    b = 0;
 
-  jd=floor(365.25*(year+4716))+floor(30.6001*(month+1))+day+b-1524.5;
+  jd =
+    floor (365.25 * (year + 4716)) + floor (30.6001 * (month + 1)) + day + b -
+    1524.5;
 
   return jd - 2400000.5;
 }
 
 // DOY to MJD
-double doy2mjd(int year,double doy)
+double
+doy2mjd (int year, double doy)
 {
   int month, k = 2;
   double day;
@@ -72,15 +82,19 @@ double doy2mjd(int year,double doy)
   if (doy < 32)
     month = 1;
 
-  day=doy-floor(275.0*month/9.0)+k*floor((month+9.0)/12.0)+30.0;
+  day =
+    doy - floor (275.0 * month / 9.0) + k * floor ((month + 9.0) / 12.0) +
+    30.0;
 
   return date2mjd (year, month, day);
 }
 
-int main(int argc,char *argv[])
+int
+main (int argc, char *argv[])
 {
   int i, arg = 0, imode, n = 100, satno, satname, satno2, imin, flag, status;
-  char catalog1[]="20180121_173045_catalog.txt",catalog2[]="jsc_20180122.txt";
+  char catalog1[] = "20180121_173045_catalog.txt", catalog2[] =
+    "jsc_20180122.txt";
   FILE *file1, *file2;
   orbit_t orb1, orb2;
   double mjd0 = 58140.0, mjd;
@@ -100,7 +114,8 @@ int main(int argc,char *argv[])
   file2 = fopen (catalog2, "r");
 
   // Loop over classfd catalog
-  while (read_twoline(file1,0,&orb1)==0) {
+  while (read_twoline (file1, 0, &orb1) == 0)
+    {
       // Compute positions
       imode = init_sgdp4 (&orb1);
       for (i = 0; i < n; i++)
@@ -109,14 +124,16 @@ int main(int argc,char *argv[])
       // Loop over ISON catalog
       flag = 0;
       rewind (file2);
-    while (read_twoline(file2,0,&orb2)==0) {
+      while (read_twoline (file2, 0, &orb2) == 0)
+	{
 	  mjd = doy2mjd (orb2.ep_year, orb2.ep_day);
 
 	  imode = init_sgdp4 (&orb2);
 	  satpos_xyz (mjd + 2400000.5, &r0, &v0);
 
 	  // Find nearest offset
-      for (i=0;i<n;i++) {
+	  for (i = 0; i < n; i++)
+	    {
 	      d.x = r[i].x - r0.x;
 	      d.y = r[i].y - r0.y;
 	      d.z = r[i].z - r0.z;
@@ -126,7 +143,8 @@ int main(int argc,char *argv[])
 	      d.z = v[i].z - v0.z;
 	      dv = sqrt (d.x * d.x + d.y * d.y + d.z * d.z);
 
-	if (flag==0 || dr<drmin) {
+	      if (flag == 0 || dr < drmin)
+		{
 		  drmin = dr;
 		  dvmin = dv;
 		  satno = orb2.satno;
@@ -152,17 +170,21 @@ int main(int argc,char *argv[])
 
       // Find object name
       rewind (file2);
-    while (fgetline(file2,line0,LIM)>0) {
+      while (fgetline (file2, line0, LIM) > 0)
+	{
 	  fgetline (file2, line1, LIM);
 	  fgetline (file2, line2, LIM);
 	  sscanf (line1, "1 %d", &satno2);
-      if (satno==satno2) {
+	  if (satno == satno2)
+	    {
 	      sscanf (line0, "SO %d", &satname);
 	    }
 	}
 
       //    printf("%05d %05d %8.2f km %9.5f km/s %6.0lf s %8.0f km\n",orb1.satno,satno,drmin,dvmin,(mjd0+(double) imin/86400.0-mjd)*86400,dn);
-    printf("%6d %05d %s | %5d %8.2f km %9.5f km/s %6.0lf s %8.0f km\n",satname,orb1.satno,orb1.desig,satno,drmin,dvmin,(mjd0+(double) imin/86400.0-mjd)*86400,dn);
+      printf ("%6d %05d %s | %5d %8.2f km %9.5f km/s %6.0lf s %8.0f km\n",
+	      satname, orb1.satno, orb1.desig, satno, drmin, dvmin,
+	      (mjd0 + (double) imin / 86400.0 - mjd) * 86400, dn);
     }
   fclose (file1);
   fclose (file2);

src/posvel.c

@@ -19,7 +19,8 @@ extern double SGDP4_jd0;
 
 
 // Compute Date from Julian Day
-void mjd2date(double mjd,int *year,int *month,double *day)
+void
+mjd2date (double mjd, int *year, int *month, double *day)
 {
   double f, jd;
   int z, alpha, a, b, c, d, e;
@@ -32,7 +33,8 @@ void mjd2date(double mjd,int *year,int *month,double *day)
 
   if (z < 2299161)
     a = z;
-  else {
+  else
+    {
       alpha = floor ((z - 1867216.25) / 36524.25);
       a = z + 1 + alpha - floor (alpha / 4.);
     }
@@ -56,7 +58,8 @@ void mjd2date(double mjd,int *year,int *month,double *day)
 }
 
 // MJD to DOY
-double mjd2doy(double mjd,int *yr)
+double
+mjd2doy (double mjd, int *yr)
 {
   int year, month, k = 2;
   double day, doy;
@@ -66,7 +69,8 @@ double mjd2doy(double mjd,int *yr)
   if (year % 4 == 0 && year % 400 != 0)
     k = 1;
 
-  doy=floor(275.0*month/9.0)-k*floor((month+9.0)/12.0)+day-30;
+  doy =
+    floor (275.0 * month / 9.0) - k * floor ((month + 9.0) / 12.0) + day - 30;
 
   *yr = year;
 
@@ -75,12 +79,14 @@ double mjd2doy(double mjd,int *yr)
 
 
 // Compute Julian Day from Date
-double date2mjd(int year,int month,double day)
+double
+date2mjd (int year, int month, double day)
 {
   int a, b;
   double jd;
 
-  if (month<3) {
+  if (month < 3)
+    {
       year--;
       month += 12;
     }
@@ -88,22 +94,29 @@ double date2mjd(int year,int month,double day)
   a = floor (year / 100.);
   b = 2. - a + floor (a / 4.);
 
-  if (year<1582) b=0;
+  if (year < 1582)
-  if (year==1582 && month<10) b=0;
+    b = 0;
-  if (year==1582 && month==10 && day<=4) b=0;
+  if (year == 1582 && month < 10)
+    b = 0;
+  if (year == 1582 && month == 10 && day <= 4)
+    b = 0;
 
-  jd=floor(365.25*(year+4716))+floor(30.6001*(month+1))+day+b-1524.5;
+  jd =
+    floor (365.25 * (year + 4716)) + floor (30.6001 * (month + 1)) + day + b -
+    1524.5;
 
   return jd - 2400000.5;
 }
 
 // nfd2mjd
-double nfd2mjd(char *date)
+double
+nfd2mjd (char *date)
 {
   int year, month, day, hour, min, sec;
   double mjd, dday;
 
-  sscanf(date,"%04d-%02d-%02dT%02d:%02d:%02d",&year,&month,&day,&hour,&min,&sec);
+  sscanf (date, "%04d-%02d-%02dT%02d:%02d:%02d", &year, &month, &day, &hour,
+	  &min, &sec);
   dday = day + hour / 24.0 + min / 1440.0 + sec / 86400.0;
 
   mjd = date2mjd (year, month, dday);
@@ -112,7 +125,8 @@ double nfd2mjd(char *date)
 }
 
 // Present nfd
-void nfd_now(char *s)
+void
+nfd_now (char *s)
 {
   time_t rawtime;
   struct tm *ptm;
@@ -121,20 +135,25 @@ void nfd_now(char *s)
   time (&rawtime);
   ptm = gmtime (&rawtime);
 
-  sprintf(s,"%04d-%02d-%02dT%02d:%02d:%02d",ptm->tm_year+1900,ptm->tm_mon+1,ptm->tm_mday,ptm->tm_hour,ptm->tm_min,ptm->tm_sec);
+  sprintf (s, "%04d-%02d-%02dT%02d:%02d:%02d", ptm->tm_year + 1900,
+	   ptm->tm_mon + 1, ptm->tm_mday, ptm->tm_hour, ptm->tm_min,
+	   ptm->tm_sec);
 
   return;
 }
 
-void usage(void)
+void
+usage (void)
 {
-  printf("propagate c:i:t:m:\n\nPropagates orbital elements to a new epoch using the SGP4/SDP4 model.\nDefault operation propagates classfd.tle to now,\n\n-c  input catalog\n-i  Satellite number\n-t  New epoch (YYYY-MM-DDTHH:MM:SS)\n-m  New epoch (MJD)\n");
+  printf
+    ("propagate c:i:t:m:\n\nPropagates orbital elements to a new epoch using the SGP4/SDP4 model.\nDefault operation propagates classfd.tle to now,\n\n-c  input catalog\n-i  Satellite number\n-t  New epoch (YYYY-MM-DDTHH:MM:SS)\n-m  New epoch (MJD)\n");
 
   return;
 }
 
 
-int main(int argc,char *argv[])
+int
+main (int argc, char *argv[])
 {
   int imode, satno = 0, arg, i;
   FILE *file;
@@ -154,8 +173,10 @@ int main(int argc,char *argv[])
   mjd = nfd2mjd (nfd);
 
   // Decode options
-  while ((arg=getopt(argc,argv,"c:i:t:l:d:"))!=-1) {
+  while ((arg = getopt (argc, argv, "c:i:t:l:d:")) != -1)
-    switch (arg) {
+    {
+      switch (arg)
+	{
 
 	case 't':
 	  strcpy (nfd, optarg);
@@ -194,11 +215,13 @@ int main(int argc,char *argv[])
 
   // Open file
   file = fopen (tlefile, "r");
-  while (read_twoline(file,satno,&orb)==0) {
+  while (read_twoline (file, satno, &orb) == 0)
+    {
       // Propagate
       imode = init_sgdp4 (&orb);
 
-    for (i=0;i<length;i+=dl) {
+      for (i = 0; i < length; i += dl)
+	{
 	  satpos_xyz (mjd + 2400000.5 + (double) i / 86400.0, &r, &v);
 	  printf ("%f %f %f %f %f %f\n", r.x, r.y, r.z, v.x, v.y, v.z);
 	}

src/propagate.c

@@ -18,28 +18,33 @@
 extern double SGDP4_jd0;
 
 // Return x modulo y [0,y)
-double modulo(double x,double y)
+double
+modulo (double x, double y)
 {
   x = fmod (x, y);
-  if (x<0.0) x+=y;
+  if (x < 0.0)
+    x += y;
 
   return x;
 }
 
 // Dot product
-float dot(xyz_t a,xyz_t b)
+float
+dot (xyz_t a, xyz_t b)
 {
   return a.x * b.x + a.y * b.y + a.z * b.z;
 }
 
 // Magnitude
-double magnitude(xyz_t a)
+double
+magnitude (xyz_t a)
 {
   return sqrt (dot (a, a));
 }
 
 // Cross product
-xyz_t cross(xyz_t a,xyz_t b)
+xyz_t
+cross (xyz_t a, xyz_t b)
 {
   xyz_t c;
 
@@ -51,7 +56,8 @@ xyz_t cross(xyz_t a,xyz_t b)
 }
 
 // Compute Date from Julian Day
-void mjd2date(double mjd,int *year,int *month,double *day)
+void
+mjd2date (double mjd, int *year, int *month, double *day)
 {
   double f, jd;
   int z, alpha, a, b, c, d, e;
@@ -64,7 +70,8 @@ void mjd2date(double mjd,int *year,int *month,double *day)
 
   if (z < 2299161)
     a = z;
-  else {
+  else
+    {
       alpha = floor ((z - 1867216.25) / 36524.25);
       a = z + 1 + alpha - floor (alpha / 4.);
     }
@@ -88,7 +95,8 @@ void mjd2date(double mjd,int *year,int *month,double *day)
 }
 
 // MJD to DOY
-double mjd2doy(double mjd,int *yr)
+double
+mjd2doy (double mjd, int *yr)
 {
   int year, month, k = 2;
   double day, doy;
@@ -98,7 +106,8 @@ double mjd2doy(double mjd,int *yr)
   if (year % 4 == 0 && year % 400 != 0)
     k = 1;
 
-  doy=floor(275.0*month/9.0)-k*floor((month+9.0)/12.0)+day-30;
+  doy =
+    floor (275.0 * month / 9.0) - k * floor ((month + 9.0) / 12.0) + day - 30;
 
   *yr = year;
 
@@ -106,7 +115,8 @@ double mjd2doy(double mjd,int *yr)
 }
 
 // Clasical elements
-orbit_t classel(int ep_year,double ep_day,xyz_t r,xyz_t v)
+orbit_t
+classel (int ep_year, double ep_day, xyz_t r, xyz_t v)
 {
   int i;
   double rm, vm, vm2, rvm, mu = 1.0;;
@@ -153,7 +163,8 @@ orbit_t classel(int ep_year,double ep_day,xyz_t r,xyz_t v)
     peri += 360.0;
 
   // Elliptic motion
-  if (ecc<1.0) {
+  if (ecc < 1.0)
+    {
       xp = (chi - rm) / ecc;
       yp = rvm / ecc * sqrt (chi / mu);
       b = a * sqrt (1.0 - ecc * ecc);
@@ -182,7 +193,8 @@ orbit_t classel(int ep_year,double ep_day,xyz_t r,xyz_t v)
   return orb;
 }
 
-orbit_t rv2el(int satno,double mjd,xyz_t r0,xyz_t v0)
+orbit_t
+rv2el (int satno, double mjd, xyz_t r0, xyz_t v0)
 {
   int i, imode;
   orbit_t orb[5], orb1[5];
@@ -199,7 +211,8 @@ orbit_t rv2el(int satno,double mjd,xyz_t r0,xyz_t v0)
   orb[0] = classel (ep_year, ep_day, r0, v0);
   orb[0].satno = satno;
 
-  for (i=0;i<4;i++) {
+  for (i = 0; i < 4; i++)
+    {
       // Propagate
       imode = init_sgdp4 (&orb[i]);
       imode = satpos_xyz (mjd + 2400000.5, &r, &v);
@@ -235,30 +248,44 @@ orbit_t rv2el(int satno,double mjd,xyz_t r0,xyz_t v0)
 }
 
 // Format TLE
-void format_tle(orbit_t orb,char *line1,char *line2)
+void
+format_tle (orbit_t orb, char *line1, char *line2)
 {
   int i, csum;
   char sbstar[] = " 00000-0", bstar[13];
 
   // Format Bstar term
-  if (fabs(orb.bstar)>1e-9) {
+  if (fabs (orb.bstar) > 1e-9)
+    {
       sprintf (bstar, "%11.4e", 10 * orb.bstar);
-    sbstar[0] = bstar[0];  sbstar[1] = bstar[1];  sbstar[2] = bstar[3];  sbstar[3] = bstar[4];
+      sbstar[0] = bstar[0];
-    sbstar[4] = bstar[5];  sbstar[5] = bstar[6];  sbstar[6] = bstar[8];  sbstar[7] = bstar[10];  sbstar[8] = '\0';
+      sbstar[1] = bstar[1];
+      sbstar[2] = bstar[3];
+      sbstar[3] = bstar[4];
+      sbstar[4] = bstar[5];
+      sbstar[5] = bstar[6];
+      sbstar[6] = bstar[8];
+      sbstar[7] = bstar[10];
+      sbstar[8] = '\0';
     }
   // Print lines
-  sprintf(line1,"1 %05dU %-8s %2d%012.8f  .00000000  00000-0 %8s 0    0",orb.satno,orb.desig,orb.ep_year-2000,orb.ep_day,sbstar);
+  sprintf (line1, "1 %05dU %-8s %2d%012.8f  .00000000  00000-0 %8s 0    0",
-  sprintf(line2,"2 %05d %8.4f %8.4f %07.0f %8.4f %8.4f %11.8f    0",orb.satno,DEG(orb.eqinc),DEG(orb.ascn),1E7*orb.ecc,DEG(orb.argp),DEG(orb.mnan),orb.rev);
+	   orb.satno, orb.desig, orb.ep_year - 2000, orb.ep_day, sbstar);
+  sprintf (line2, "2 %05d %8.4f %8.4f %07.0f %8.4f %8.4f %11.8f    0",
+	   orb.satno, DEG (orb.eqinc), DEG (orb.ascn), 1E7 * orb.ecc,
+	   DEG (orb.argp), DEG (orb.mnan), orb.rev);
 
   // Compute checksums
-  for (i=0,csum=0;i<strlen(line1);i++) {
+  for (i = 0, csum = 0; i < strlen (line1); i++)
+    {
       if (isdigit (line1[i]))
 	csum += line1[i] - '0';
       else if (line1[i] == '-')
 	csum++;
     }
   sprintf (line1, "%s%d", line1, csum % 10);
-  for (i=0,csum=0;i<strlen(line2);i++) {
+  for (i = 0, csum = 0; i < strlen (line2); i++)
+    {
       if (isdigit (line2[i]))
 	csum += line2[i] - '0';
       else if (line2[i] == '-')
@@ -270,7 +297,8 @@ void format_tle(orbit_t orb,char *line1,char *line2)
 }
 
 // Present nfd
-void nfd_now(char *s)
+void
+nfd_now (char *s)
 {
   time_t rawtime;
   struct tm *ptm;
@@ -279,18 +307,22 @@ void nfd_now(char *s)
   time (&rawtime);
   ptm = gmtime (&rawtime);
 
-  sprintf(s,"%04d-%02d-%02dT%02d:%02d:%02d",ptm->tm_year+1900,ptm->tm_mon+1,ptm->tm_mday,ptm->tm_hour,ptm->tm_min,ptm->tm_sec);
+  sprintf (s, "%04d-%02d-%02dT%02d:%02d:%02d", ptm->tm_year + 1900,
+	   ptm->tm_mon + 1, ptm->tm_mday, ptm->tm_hour, ptm->tm_min,
+	   ptm->tm_sec);
 
   return;
 }
 
 // Compute Julian Day from Date
-double date2mjd(int year,int month,double day)
+double
+date2mjd (int year, int month, double day)
 {
   int a, b;
   double jd;
 
-  if (month<3) {
+  if (month < 3)
+    {
       year--;
       month += 12;
     }
@@ -298,17 +330,23 @@ double date2mjd(int year,int month,double day)
   a = floor (year / 100.);
   b = 2. - a + floor (a / 4.);
 
-  if (year<1582) b=0;
+  if (year < 1582)
-  if (year==1582 && month<10) b=0;
+    b = 0;
-  if (year==1582 && month==10 && day<=4) b=0;
+  if (year == 1582 && month < 10)
+    b = 0;
+  if (year == 1582 && month == 10 && day <= 4)
+    b = 0;
 
-  jd=floor(365.25*(year+4716))+floor(30.6001*(month+1))+day+b-1524.5;
+  jd =
+    floor (365.25 * (year + 4716)) + floor (30.6001 * (month + 1)) + day + b -
+    1524.5;
 
   return jd - 2400000.5;
 }
 
 // DOY to MJD
-double doy2mjd(int year,double doy)
+double
+doy2mjd (int year, double doy)
 {
   int month, k = 2;
   double day;
@@ -321,18 +359,22 @@ double doy2mjd(int year,double doy)
   if (doy < 32)
     month = 1;
 
-  day=doy-floor(275.0*month/9.0)+k*floor((month+9.0)/12.0)+30.0;
+  day =
+    doy - floor (275.0 * month / 9.0) + k * floor ((month + 9.0) / 12.0) +
+    30.0;
 
   return date2mjd (year, month, day);
 }
 
 // nfd2mjd
-double nfd2mjd(char *date)
+double
+nfd2mjd (char *date)
 {
   int year, month, day, hour, min, sec;
   double mjd, dday;
 
-  sscanf(date,"%04d-%02d-%02dT%02d:%02d:%02d",&year,&month,&day,&hour,&min,&sec);
+  sscanf (date, "%04d-%02d-%02dT%02d:%02d:%02d", &year, &month, &day, &hour,
+	  &min, &sec);
   dday = day + hour / 24.0 + min / 1440.0 + sec / 86400.0;
 
   mjd = date2mjd (year, month, dday);
@@ -340,15 +382,18 @@ double nfd2mjd(char *date)
   return mjd;
 }
 
-void usage(void)
+void
+usage (void)
 {
-  printf("propagate c:i:t:m:e:d:\n\nPropagates orbital elements to a new epoch using the SGP4/SDP4 model.\nDefault operation propagates classfd.tle to now,\n\n-c  input catalog\n-i  Satellite number\n-t  New epoch (YYYY-MM-DDTHH:MM:SS)\n-m  New epoch (MJD)\n-e  New epoch (YYDDD.ddddddd)\n-d  New COSPAR designation\n");
+  printf
+    ("propagate c:i:t:m:e:d:\n\nPropagates orbital elements to a new epoch using the SGP4/SDP4 model.\nDefault operation propagates classfd.tle to now,\n\n-c  input catalog\n-i  Satellite number\n-t  New epoch (YYYY-MM-DDTHH:MM:SS)\n-m  New epoch (MJD)\n-e  New epoch (YYDDD.ddddddd)\n-d  New COSPAR designation\n");
 
   return;
 }
 
 
-int main(int argc,char *argv[])
+int
+main (int argc, char *argv[])
 {
   int imode, satno = 0, arg, desigflag = 0;
   FILE *file;
@@ -369,8 +414,10 @@ int main(int argc,char *argv[])
   mjd = nfd2mjd (nfd);
 
   // Decode options
-  while ((arg=getopt(argc,argv,"c:i:t:m:he:d:"))!=-1) {
+  while ((arg = getopt (argc, argv, "c:i:t:m:he:d:")) != -1)
-    switch (arg) {
+    {
+      switch (arg)
+	{
 
 	case 't':
 	  strcpy (nfd, optarg);
@@ -421,7 +468,8 @@ int main(int argc,char *argv[])
 
   // Open file
   file = fopen (tlefile, "r");
-  while (read_twoline(file,satno,&orb)==0) {
+  while (read_twoline (file, satno, &orb) == 0)
+    {
       format_tle (orb, line1, line2);
       //    printf("Input:\n%s\n%s\n",line1,line2);
       if (desigflag == 0)

src/pstrack.c

@@ -21,13 +21,15 @@ long Isat=0;
 long Isatsel = 0;
 extern double SGDP4_jd0;
 
-struct map {
+struct map
+{
   double lat, lng;
   float alt;
   char observer[32];
   int site_id;
 } m;
-struct image {
+struct image
+{
   char filename[64];
   int naxis1, naxis2, naxis3, nframes;
   float *zavg, *zstd, *zmax, *znum, *zd;
@@ -39,7 +41,8 @@ struct image {
   char nfd[32];
   int cospar;
 };
-struct sat {
+struct sat
+{
   long Isat;
   char state[10];
   float mag;
@@ -52,7 +55,8 @@ struct sat {
   double azi, alt;
   double rx, ry;
 };
-struct track {
+struct track
+{
   float x0, y0, x1, y1;
 };
 struct image read_fits (char *filename);
@@ -62,11 +66,14 @@ void obspos_xyz(double,xyz_t *,xyz_t *);
 void sunpos_xyz (double, xyz_t *);
 double gmst (double);
 double dgmst (double);
-void forward(double ra0,double de0,double ra,double de,double *x,double *y);
+void forward (double ra0, double de0, double ra, double de, double *x,
-void reverse(double ra0,double de0,double x,double y,double *ra,double *de);
+	      double *y);
+void reverse (double ra0, double de0, double x, double y, double *ra,
+	      double *de);
 
 // Get observing site
-void get_site(int site_id)
+void
+get_site (int site_id)
 {
   int i = 0;
   char line[LIM];
@@ -79,11 +86,13 @@ void get_site(int site_id)
   env = getenv ("ST_DATADIR");
   sprintf (filename, "%s/data/sites.txt", env);
   file = fopen (filename, "r");
-  if (file==NULL) {
+  if (file == NULL)
+    {
       printf ("File with site information not found!\n");
       return;
     }
-  while (fgets(line,LIM,file)!=NULL) {
+  while (fgets (line, LIM, file) != NULL)
+    {
       // Skip
       if (strstr (line, "#") != NULL)
 	continue;
@@ -92,14 +101,14 @@ void get_site(int site_id)
       line[strlen (line) - 1] = '\0';
 
       // Read data
-    sscanf(line,"%4d %2s %lf %lf %f",
+      sscanf (line, "%4d %2s %lf %lf %f", &id, abbrev, &lat, &lng, &alt);
-	   &id,abbrev,&lat,&lng,&alt);
       strcpy (observer, line + 38);
 
       // Change to km
       alt /= 1000.0;
 
-    if (id==site_id) {
+      if (id == site_id)
+	{
 	  m.lat = lat;
 	  m.lng = lng;
 	  m.alt = alt;
@@ -114,7 +123,9 @@ void get_site(int site_id)
 }
 
 // Precess a celestial position
-void precess(double mjd0,double ra0,double de0,double mjd,double *ra,double *de)
+void
+precess (double mjd0, double ra0, double de0, double mjd, double *ra,
+	 double *de)
 {
   double t0, t;
   double zeta, z, theta;
@@ -154,7 +165,8 @@ void precess(double mjd0,double ra0,double de0,double mjd,double *ra,double *de)
   return;
 }
 
-orbit_t find_tle(char *tlefile,struct image img,int satno)
+orbit_t
+find_tle (char *tlefile, struct image img, int satno)
 {
   int i;
   orbit_t orb;
@@ -177,7 +189,8 @@ orbit_t find_tle(char *tlefile,struct image img,int satno)
     fatal_error ("File open failed for reading %s\n", tlefile);
 
   // Read TLEs
-  if (satno!=0) {
+  if (satno != 0)
+    {
       read_twoline (fp, satno, &orb);
       fclose (fp);
       return orb;
@@ -186,7 +199,8 @@ orbit_t find_tle(char *tlefile,struct image img,int satno)
   read_twoline (fp, 0, &orb);
   fclose (fp);
 
-  for (i=0,mnan=0.0;mnan<360.0;mnan+=0.01,i++) {
+  for (i = 0, mnan = 0.0; mnan < 360.0; mnan += 0.01, i++)
+    {
       orb.mnan = mnan * D2R;
       Isat = orb.satno;
       imode = init_sgdp4 (&orb);
@@ -196,13 +210,18 @@ orbit_t find_tle(char *tlefile,struct image img,int satno)
       // Compute apparent position
       s = apparent_position (mjd);
 
-    r=acos(sin(img.de0*D2R)*sin(s.de*D2R)+cos(img.de0*D2R)*cos(s.de*D2R)*cos((img.ra0-s.ra)*D2R))*R2D;
+      r =
-    if (r<10.0) {
+	acos (sin (img.de0 * D2R) * sin (s.de * D2R) +
+	      cos (img.de0 * D2R) * cos (s.de * D2R) * cos ((img.ra0 - s.ra) *
+							    D2R)) * R2D;
+      if (r < 10.0)
+	{
 	  forward (img.ra0, img.de0, s.ra, s.de, &s.rx, &s.ry);
 	  r = sqrt (s.rx * s.rx + s.ry * s.ry) / 3600.0;
 	}
 
-    if (i==0 || r<rmin) {
+      if (i == 0 || r < rmin)
+	{
 	  mnanmin = mnan;
 	  rmin = r;
 	}
@@ -211,7 +230,9 @@ orbit_t find_tle(char *tlefile,struct image img,int satno)
 
   return orb;
 }
-struct track plot_satellite(orbit_t orb,struct image img)
+
+struct track
+plot_satellite (orbit_t orb, struct image img)
 {
   int i;
   struct sat s;
@@ -237,7 +258,8 @@ struct track plot_satellite(orbit_t orb,struct image img)
   if (imode == SGDP4_ERROR)
     return trk;
 
-  for (flag=0,textflag=0,i=0;i<MMAX;i++) {
+  for (flag = 0, textflag = 0, i = 0; i < MMAX; i++)
+    {
       t = img.exptime * (float) i / (float) (MMAX - 1);
       mjd = img.mjd + t / 86400.0;
 
@@ -245,7 +267,10 @@ struct track plot_satellite(orbit_t orb,struct image img)
       s = apparent_position (mjd);
 
       // Convert to rx,ry
-    r=acos(sin(img.de0*D2R)*sin(s.de*D2R)+cos(img.de0*D2R)*cos(s.de*D2R)*cos((img.ra0-s.ra)*D2R))*R2D;
+      r =
+	acos (sin (img.de0 * D2R) * sin (s.de * D2R) +
+	      cos (img.de0 * D2R) * cos (s.de * D2R) * cos ((img.ra0 - s.ra) *
+							    D2R)) * R2D;
       if (r < 90.0)
 	forward (img.ra0, img.de0, s.ra, s.de, &s.rx, &s.ry);
       else
@@ -268,7 +293,8 @@ struct track plot_satellite(orbit_t orb,struct image img)
   return trk;
 }
 
-void track_image(struct image *img,struct track trk)
+void
+track_image (struct image *img, struct track trk)
 {
   FILE *file;
   char line[LIM], filename[LIM];
@@ -288,13 +314,15 @@ void track_image(struct image *img,struct track trk)
   wt = (int *) malloc (sizeof (int) * img->naxis1 * img->naxis2);
 
   // Set to zero
-  for (i=0;i<img->naxis1*img->naxis2;i++) {
+  for (i = 0; i < img->naxis1 * img->naxis2; i++)
+    {
       z[i] = 0.0;
       wt[i] = 0;
     }
 
   // Loop over frames
-  for (l=0;l<img->nframes;l++) {
+  for (l = 0; l < img->nframes; l++)
+    {
       // Offset
       dx = dxdn * (l - img->nframes / 2);
       dy = dydn * (l - img->nframes / 2);
@@ -304,11 +332,15 @@ void track_image(struct image *img,struct track trk)
       dj = (int) floor (dy + 0.5);
 
       // Set
-    for (i=0;i<img->naxis1;i++) {
+      for (i = 0; i < img->naxis1; i++)
-      for (j=0;j<img->naxis2;j++) {
+	{
+	  for (j = 0; j < img->naxis2; j++)
+	    {
 	      k = i + img->naxis1 * j;
 	      k0 = i + di + img->naxis1 * (j + dj);
-	if (i+di>0 && i+di<img->naxis1 && j+dj>0 && j+dj<img->naxis2) {
+	      if (i + di > 0 && i + di < img->naxis1 && j + dj > 0
+		  && j + dj < img->naxis2)
+		{
 		  wt[k] += 1;
 		  if (img->znum[k0] == l)
 		    z[k] += img->zmax[k0];
@@ -320,7 +352,8 @@ void track_image(struct image *img,struct track trk)
     }
 
   // Scale
-  for (i=0;i<img->naxis1*img->naxis2;i++) {
+  for (i = 0; i < img->naxis1 * img->naxis2; i++)
+    {
       if (wt[i] > 0)
 	img->zd[i] = z[i] / (float) wt[i];
       else
@@ -335,7 +368,8 @@ void track_image(struct image *img,struct track trk)
 }
 
 
-int main(int argc,char *argv[])
+int
+main (int argc, char *argv[])
 {
   int i;
   struct image img;
@@ -389,9 +423,17 @@ int main(int argc,char *argv[])
   cpgsch (0.8);
   sprintf (text, "UT Date: %.23s  COSPAR ID: %04d", img.nfd + 1, img.cospar);
   cpgmtxt ("T", 6.0, 0.0, 0.0, text);
-  sprintf(text,"R.A.: %10.5f (%4.1f'') Decl.: %10.5f (%4.1f'')",img.ra0,img.xrms,img.de0,img.yrms);
+  sprintf (text, "R.A.: %10.5f (%4.1f'') Decl.: %10.5f (%4.1f'')", img.ra0,
+	   img.xrms, img.de0, img.yrms);
   cpgmtxt ("T", 4.8, 0.0, 0.0, text);
-  sprintf(text,"FoV: %.2f\\(2218)x%.2f\\(2218) Scale: %.2f''x%.2f'' pix\\u-1\\d",img.naxis1*sqrt(img.a[1]*img.a[1]+img.b[1]*img.b[1])/3600.0,img.naxis2*sqrt(img.a[2]*img.a[2]+img.b[2]*img.b[2])/3600.0,sqrt(img.a[1]*img.a[1]+img.b[1]*img.b[1]),sqrt(img.a[2]*img.a[2]+img.b[2]*img.b[2]));
+  sprintf (text,
+	   "FoV: %.2f\\(2218)x%.2f\\(2218) Scale: %.2f''x%.2f'' pix\\u-1\\d",
+	   img.naxis1 * sqrt (img.a[1] * img.a[1] +
+			      img.b[1] * img.b[1]) / 3600.0,
+	   img.naxis2 * sqrt (img.a[2] * img.a[2] +
+			      img.b[2] * img.b[2]) / 3600.0,
+	   sqrt (img.a[1] * img.a[1] + img.b[1] * img.b[1]),
+	   sqrt (img.a[2] * img.a[2] + img.b[2] * img.b[2]));
   cpgmtxt ("T", 3.6, 0.0, 0.0, text);
   sprintf (text, "Stat: %5.1f+-%.1f (%.1f-%.1f)", zavg, zstd, zmin, zmax);
   cpgmtxt ("T", 2.4, 0.0, 0.0, text);
@@ -402,7 +444,8 @@ int main(int argc,char *argv[])
   cpglab ("x (pix)", "y (pix)", " ");
   cpgctab (heat_l, heat_r, heat_g, heat_b, 5, 1.0, 0.5);
 
-  cpgimag(img.zd,img.naxis1,img.naxis2,1,img.naxis1,1,img.naxis2,zmin,zmax,tr);
+  cpgimag (img.zd, img.naxis1, img.naxis2, 1, img.naxis1, 1, img.naxis2, zmin,
+	   zmax, tr);
   cpgbox ("BCTSNI", 0., 0, "BCTSNI", 0., 0);
 
   cpgstbg (1);
@@ -413,7 +456,8 @@ int main(int argc,char *argv[])
 
   sprintf (filename, "%s.id", argv[1]);
   file = fopen (filename, "w");
-  fprintf(file,"%.23s %8.3f %8.3f %8.3f %8.3f %8.5f 00001 classfd.tle\n",img.nfd+1,trk.x0,trk.y0,trk.x1,trk.y1,img.exptime);
+  fprintf (file, "%.23s %8.3f %8.3f %8.3f %8.3f %8.5f 00001 classfd.tle\n",
+	   img.nfd + 1, trk.x0, trk.y0, trk.x1, trk.y1, img.exptime);
   fclose (file);
   cpgend ();
 
@@ -421,7 +465,8 @@ int main(int argc,char *argv[])
 }
 
 // Read fits image
-struct image read_fits(char *filename)
+struct image
+read_fits (char *filename)
 {
   int i, j, k, l, m;
   qfitsloader ql;
@@ -463,7 +508,8 @@ struct image read_fits(char *filename)
 
   // Timestamps
   img.dt = (float *) malloc (sizeof (float) * img.nframes);
-  for (i=0;i<img.nframes;i++) {
+  for (i = 0; i < img.nframes; i++)
+    {
       sprintf (key, "DT%04d", i);
       //strcpy(val,qfits_query_hdr(filename,key));
       //    sscanf(val+1,"%f",&img.dt[i]);
@@ -485,7 +531,8 @@ struct image read_fits(char *filename)
   ql.filename = filename;
 
   // Loop over planes
-  for (k=0;k<img.naxis3;k++) {
+  for (k = 0; k < img.naxis3; k++)
+    {
       ql.pnum = k;;
 
       // Initialize load
@@ -497,13 +544,20 @@ struct image read_fits(char *filename)
 	printf ("Error loading actual data\n");
 
       // Fill z array
-    for (i=0,l=0;i<img.naxis1;i++) {
+      for (i = 0, l = 0; i < img.naxis1; i++)
-      for (j=0;j<img.naxis2;j++) {
+	{
-	if (k==0) img.zavg[l]=ql.fbuf[l];
+	  for (j = 0; j < img.naxis2; j++)
-	if (k==1) img.zstd[l]=ql.fbuf[l];
+	    {
-	if (k==2) img.zmax[l]=ql.fbuf[l];
+	      if (k == 0)
-	if (k==3) img.znum[l]=ql.fbuf[l];
+		img.zavg[l] = ql.fbuf[l];
-	if (k==3) img.zd[l]=ql.fbuf[l];
+	      if (k == 1)
+		img.zstd[l] = ql.fbuf[l];
+	      if (k == 2)
+		img.zmax[l] = ql.fbuf[l];
+	      if (k == 3)
+		img.znum[l] = ql.fbuf[l];
+	      if (k == 3)
+		img.zd[l] = ql.fbuf[l];
 	      l++;
 	    }
 	}
@@ -513,7 +567,8 @@ struct image read_fits(char *filename)
 }
 
 // Computes apparent position
-struct sat apparent_position(double mjd)
+struct sat
+apparent_position (double mjd)
 {
   struct sat s;
   double jd, rsun, rearth, rsat;
@@ -548,12 +603,15 @@ struct sat apparent_position(double mjd)
 
   // Distances
   rsun = sqrt (dx * dx + dy * dy + dz * dz);
-  rearth=sqrt(satpos.x*satpos.x+satpos.y*satpos.y+satpos.z*satpos.z);
+  rearth =
+    sqrt (satpos.x * satpos.x + satpos.y * satpos.y + satpos.z * satpos.z);
 
   // Angles
   s.psun = asin (696.0e3 / rsun) * R2D;
   s.pearth = asin (6378.135 / rearth) * R2D;
-  s.p=acos((-dx*satpos.x-dy*satpos.y-dz*satpos.z)/(rsun*rearth))*R2D;
+  s.p =
+    acos ((-dx * satpos.x - dy * satpos.y -
+	   dz * satpos.z) / (rsun * rearth)) * R2D;
 
   // Visibility state
   if (s.p - s.pearth < -s.psun)
@@ -581,11 +639,19 @@ struct sat apparent_position(double mjd)
   precess (mjd, ra, de, mjd0, &s.ra, &s.de);
 
   // Phase
-  s.phase=acos(((obspos.x-satpos.x)*(sunpos.x-satpos.x)+(obspos.y-satpos.y)*(sunpos.y-satpos.y)+(obspos.z-satpos.z)*(sunpos.z-satpos.z))/(rsun*s.r))*R2D;
+  s.phase =
+    acos (((obspos.x - satpos.x) * (sunpos.x - satpos.x) +
+	   (obspos.y - satpos.y) * (sunpos.y - satpos.y) + (obspos.z -
+							    satpos.z) *
+	   (sunpos.z - satpos.z)) / (rsun * s.r)) * R2D;
 
   // Magnitude
   if (strcmp (s.state, "sunlit") == 0)
-    s.mag=STDMAG-15.0+5*log10(s.r)-2.5*log10(sin(s.phase*D2R)+(M_PI-s.phase*D2R)*cos(s.phase*D2R));
+    s.mag =
+      STDMAG - 15.0 + 5 * log10 (s.r) - 2.5 * log10 (sin (s.phase * D2R) +
+						     (M_PI -
+						      s.phase * D2R) *
+						     cos (s.phase * D2R));
   else
     s.mag = 15;
 
@@ -602,28 +668,34 @@ struct sat apparent_position(double mjd)
 }
 
 // Greenwich Mean Sidereal Time
-double gmst(double mjd)
+double
+gmst (double mjd)
 {
   double t, gmst;
 
   t = (mjd - 51544.5) / 36525.0;
 
-  gmst=modulo(280.46061837+360.98564736629*(mjd-51544.5)+t*t*(0.000387933-t/38710000),360.0);
+  gmst =
+    modulo (280.46061837 + 360.98564736629 * (mjd - 51544.5) +
+	    t * t * (0.000387933 - t / 38710000), 360.0);
 
   return gmst;
 }
 
 // Return x modulo y [0,y)
-double modulo(double x,double y)
+double
+modulo (double x, double y)
 {
   x = fmod (x, y);
-  if (x<0.0) x+=y;
+  if (x < 0.0)
+    x += y;
 
   return x;
 }
 
 // Observer position
-void obspos_xyz(double mjd,xyz_t *pos,xyz_t *vel)
+void
+obspos_xyz (double mjd, xyz_t * pos, xyz_t * vel)
 {
   double ff, gc, gs, theta, s, dtheta;
 
@@ -646,7 +718,8 @@ void obspos_xyz(double mjd,xyz_t *pos,xyz_t *vel)
 }
 
 // Solar position
-void sunpos_xyz(double mjd,xyz_t *pos)
+void
+sunpos_xyz (double mjd, xyz_t * pos)
 {
   double jd, t, l0, m, e, c, r;
   double n, s, ecl, ra, de;
@@ -663,7 +736,10 @@ void sunpos_xyz(double mjd,xyz_t *pos)
   r = 1.000001018 * (1.0 - e * e) / (1.0 + e * cos (m + c));
   n = modulo (125.04 - 1934.136 * t, 360.0) * D2R;
   s = l0 + c + (-0.00569 - 0.00478 * sin (n)) * D2R;
-  ecl=(23.43929111+(-46.8150*t-0.00059*t*t+0.001813*t*t*t)/3600.0+0.00256*cos(n))*D2R;
+  ecl =
+    (23.43929111 +
+     (-46.8150 * t - 0.00059 * t * t + 0.001813 * t * t * t) / 3600.0 +
+     0.00256 * cos (n)) * D2R;
 
   ra = atan2 (cos (ecl) * sin (s), cos (s));
   de = asin (sin (ecl) * sin (s));
@@ -676,7 +752,8 @@ void sunpos_xyz(double mjd,xyz_t *pos)
 }
 
 // Greenwich Mean Sidereal Time
-double dgmst(double mjd)
+double
+dgmst (double mjd)
 {
   double t, dgmst;
 

src/rde2iod.c

@@ -7,7 +7,8 @@
 #define LIM 128
 
 int fgetline (FILE * file, char *s, int lim);
-int find_satno(char *desig0)
+int
+find_satno (char *desig0)
 {
   FILE *file;
   int satno = 99999, status;
@@ -17,11 +18,13 @@ int find_satno(char *desig0)
   env = getenv ("ST_DATADIR");
   sprintf (filename, "%s/data/desig.txt", env);
   file = fopen (filename, "r");
-  if (file==NULL) {
+  if (file == NULL)
+    {
       fprintf (stderr, "Designation file not found!\n");
       exit (0);
     }
-  while (!feof(file)) {
+  while (!feof (file))
+    {
       status = fscanf (file, "%d %s", &satno, desig);
       if (strcmp (desig, desig0) == 0)
 	break;
@@ -32,11 +35,13 @@ int find_satno(char *desig0)
 }
 
 
-int main(int argc,char *argv[])
+int
+main (int argc, char *argv[])
 {
   FILE *file;
   char line[LIM];
-  int intidy,intido,piece,site,year,month,day,hour,min,sec,fsec,satno;
+  int intidy, intido, piece, site, year, month, day, hour, min, sec, fsec,
+    satno;
   char desig[16], pdesig[16];
   int format, epoch, dummy, icsec;
   float csec, cang;
@@ -46,11 +51,14 @@ int main(int argc,char *argv[])
   int lineno = 0;
 
   file = fopen (argv[1], "r");
-  while (fgetline(file,line,LIM)>0) {
+  while (fgetline (file, line, LIM) > 0)
-    if (strncmp(line,"2420",4)==0 && lineno==0) {
+    {
+      if (strncmp (line, "2420", 4) == 0 && lineno == 0)
+	{
 	  lineno++;
 	  sscanf (line, "%04d %02d%02d", &site, &year, &month);
-      sscanf(line+12,"%1d%1d%1d %3d%1d",&icsec,&dummy,&format,&dummy,&epoch);
+	  sscanf (line + 12, "%1d%1d%1d %3d%1d", &icsec, &dummy, &format,
+		  &dummy, &epoch);
 
 	  csec = 0.1 * icsec;
 	  cang = dummy;
@@ -69,14 +77,16 @@ int main(int argc,char *argv[])
 	  ax = floor (log10 (cang)) + 8;
 	  am = floor (cang / pow (10.0, ax - 8));
 
-      if (ax>9.0) {
+	  if (ax > 9.0)
+	    {
 	      ax = 9.0;
 	      am = 9.0;
 	    }
 
 	  continue;
 	}
-    if (strlen(line)<5 && lineno==1) {
+      if (strlen (line) < 5 && lineno == 1)
+	{
 	  sscanf (line, "%d", &day);
 	  if (day == 999)
 	    break;
@@ -97,17 +107,21 @@ int main(int argc,char *argv[])
       sscanf (line + 24, "%c%02d%02d%d", &sign, &ded, &dem, &defm);
       fsec *= 10.0;
       // Format designation
-    if (piece<26) {
+      if (piece < 26)
+	{
 	  sprintf (desig, "%02d %03d%c", intidy, intido, piece + 'A' - 1);
 	  sprintf (pdesig, "%02d%03d%c", intidy, intido, piece + 'A' - 1);
-    } else {
+	}
+      else
+	{
 	  fprintf (stderr, "Failed to understand designation!\n");
 	  fprintf (stderr, "%s\n", line);
 	  continue;
 	}
 
       // Test data format
-    if (format!=1) {
+      if (format != 1)
+	{
 	  fprintf (stderr, "Angle format %d not implemented!\n", format);
 	  fprintf (stderr, "%s\n", line);
 	  continue;
@@ -129,8 +143,12 @@ int main(int argc,char *argv[])
       satno = find_satno (pdesig);
 
       // Format IOD line
-    printf("%05d %s   %04d G %04d%02d%02d%02d%02d%02d%03d %1.0f%1.0f %d%d ",satno,desig,site,year,month,day,hour,min,sec,fsec,tm,tx,format,epoch);
+      printf
-    printf("%02d%02d%03d%c%02d%02d%02d %1.0f%1.0f\n",rah,ram,rafm,sign,ded,dem,defm,am,ax);
+	("%05d %s   %04d G %04d%02d%02d%02d%02d%02d%03d %1.0f%1.0f %d%d ",
+	 satno, desig, site, year, month, day, hour, min, sec, fsec, tm, tx,
+	 format, epoch);
+      printf ("%02d%02d%03d%c%02d%02d%02d %1.0f%1.0f\n", rah, ram, rafm, sign,
+	      ded, dem, defm, am, ax);
     }
   fclose (file);
 
@@ -138,7 +156,8 @@ int main(int argc,char *argv[])
 }
 
 // Read a line of maximum length int lim from file FILE into string s
-int fgetline(FILE *file,char *s,int lim)
+int
+fgetline (FILE * file, char *s, int lim)
 {
   int c, i = 0;
 
@@ -149,4 +168,3 @@ int fgetline(FILE *file,char *s,int lim)
   s[i] = '\0';
   return i;
 }
-

src/residuals.c

@@ -19,20 +19,23 @@ long Isat=0;
 long Isatsel = 0;
 extern double SGDP4_jd0;
 
-struct point {
+struct point
+{
   int flag, satno;
   double mjd, ra, de;
   float st, sr;
   char iod_line[LIM];
   xyz_t obspos;
 };
-struct site {
+struct site
+{
   int id;
   double lng, lat;
   float alt;
   char observer[64];
 };
-struct data {
+struct data
+{
   int n;
   struct point *p;
 };
@@ -43,13 +46,17 @@ double modulo(double x,double y);
 double gmst (double mjd);
 double dgmst (double mjd);
 double date2mjd (int year, int month, double day);
-void precess(double mjd0,double ra0,double de0,double mjd,double *ra,double *de);
+void precess (double mjd0, double ra0, double de0, double mjd, double *ra,
+	      double *de);
 void usage ();
-void obspos_xyz(double mjd,double lng,double lat,float alt,xyz_t *pos,xyz_t *vel);
+void obspos_xyz (double mjd, double lng, double lat, float alt, xyz_t * pos,
+		 xyz_t * vel);
 struct data read_data (char *filename);
-void forward(double ra0,double de0,double ra,double de,double *x,double *y);
+void forward (double ra0, double de0, double ra, double de, double *x,
+	      double *y);
 
-void compute_residual(char *filename,struct point p,int satno)
+void
+compute_residual (char *filename, struct point p, int satno)
 {
   int i, imode;
   FILE *file;
@@ -74,19 +81,22 @@ void compute_residual(char *filename,struct point p,int satno)
   fclose (file);
 
   // Check for match
-  if (orb.satno!=p.satno && satno==0) {
+  if (orb.satno != p.satno && satno == 0)
+    {
       //    fprintf(stderr,"object %d not found in %s\n",p.satno,filename);
       return;
     }
 
   // Initialize
   imode = init_sgdp4 (&orb);
-  if (imode==SGDP4_ERROR) {
+  if (imode == SGDP4_ERROR)
+    {
       fprintf (stderr, "Error initializing SGDP4\n");
       exit (0);
     }
 
-  for (i=0;i<2;i++) {
+  for (i = 0; i < 2; i++)
+    {
       jd = p.mjd + 2400000.5 + (double) i / 86400;
 
       // Compute position
@@ -112,30 +122,36 @@ void compute_residual(char *filename,struct point p,int satno)
   dr = sqrt (pow (dry * rx[0] - drx * ry[0], 2) / (drx * drx + dry * dry));
   if ((-rx[0] * drx - ry[0] * dry) < 0.0)
     dr *= -1;
-  printf("%s | %8.5f deg %9.4f sec %7.3f day, %.1f km\n",p.iod_line,dr,dt,age,r[0]);
+  printf ("%s | %8.5f deg %9.4f sec %7.3f day, %.1f km\n", p.iod_line, dr, dt,
+	  age, r[0]);
   //printf("%12.8lf %8.3f %8.3f\n",p.mjd,3600*rx[0],3600*ry[0]);
 
   return;
 }
 
-void split_file(struct data d,float dtmax)
+void
+split_file (struct data d, float dtmax)
 {
   int i, j, flag = 0;
   FILE *file;
   char filename[LIM];
   double mjd0, dt;
 
-  for (i=0,j=0;i<d.n;i++) {
+  for (i = 0, j = 0; i < d.n; i++)
-    if (flag==1) {
+    {
+      if (flag == 1)
+	{
 	  dt = 86400 * (d.p[i].mjd - mjd0);
-      if (dt>dtmax) {
+	  if (dt > dtmax)
+	    {
 	      if (file != NULL)
 		fclose (file);
 	      flag = 0;
 	      j++;
 	    }
 	}
-    if (flag==0) {
+      if (flag == 0)
+	{
 	  mjd0 = d.p[i].mjd;
 	  flag = 1;
 	  sprintf (filename, "split%04d.dat", j + 1);
@@ -149,7 +165,8 @@ void split_file(struct data d,float dtmax)
   return;
 }
 
-int main(int argc,char *argv[])
+int
+main (int argc, char *argv[])
 {
   int i, arg = 0, split = 0;
   struct data d;
@@ -161,8 +178,10 @@ int main(int argc,char *argv[])
   env = getenv ("ST_TLEDIR");
   sprintf (catalog, "%s/classfd.tle", env);
   // Decode options
-  while ((arg=getopt(argc,argv,"d:c:hs:vi:"))!=-1) {
+  while ((arg = getopt (argc, argv, "d:c:hs:vi:")) != -1)
-    switch(arg) {
+    {
+      switch (arg)
+	{
 	case 'd':
 	  datafile = optarg;
 	  break;
@@ -198,15 +217,22 @@ int main(int argc,char *argv[])
   // Read data
   d = read_data (datafile);
 
-  if (verbose==1) {
+  if (verbose == 1)
-    for (i=0;i<d.n;i++) {
+    {
-      printf("%14.8lf %10.4f %10.4f %10.4f %10.6f %10.6f\n",d.p[i].mjd,d.p[i].obspos.x,d.p[i].obspos.y,d.p[i].obspos.z,d.p[i].ra,d.p[i].de);
+      for (i = 0; i < d.n; i++)
+	{
+	  printf ("%14.8lf %10.4f %10.4f %10.4f %10.6f %10.6f\n", d.p[i].mjd,
+		  d.p[i].obspos.x, d.p[i].obspos.y, d.p[i].obspos.z,
+		  d.p[i].ra, d.p[i].de);
 	}
     }
 
-  if (split==1) {
+  if (split == 1)
+    {
       split_file (d, dt);
-  } else {
+    }
+  else
+    {
       for (i = 0; i < d.n; i++)
 	compute_residual (catalog, d.p[i], satno);
     }
@@ -215,7 +241,8 @@ int main(int argc,char *argv[])
 }
 
 // Decode IOD Observations
-struct point decode_iod_observation(char *iod_line)
+struct point
+decode_iod_observation (char *iod_line)
 {
   int year, month, iday, hour, min;
   int format, epoch, me, xe, sign;
@@ -243,16 +270,20 @@ struct point decode_iod_observation(char *iod_line)
   s = get_site (site_id);
 
   // Skip if site not found
-  if (s.id<0) {
+  if (s.id < 0)
+    {
       fprintf (stderr, "Site %d not found!\n", site_id);
       p.flag = 0;
     }
 
   // Decode date/time
-  sscanf(iod_line+23,"%4d%2d%2d%2d%2d%5s",&year,&month,&iday,&hour,&min,secbuf);
+  sscanf (iod_line + 23, "%4d%2d%2d%2d%2d%5s", &year, &month, &iday, &hour,
+	  &min, secbuf);
   sec = atof (secbuf);
   sec /= pow (10, strlen (secbuf) - 2);
-  day=(double) iday+(double) hour/24.0+(double) min/1440.0+(double) sec/86400.0;
+  day =
+    (double) iday + (double) hour / 24.0 + (double) min / 1440.0 +
+    (double) sec / 86400.0;
   p.mjd = date2mjd (year, month, day);
 
   // Get uncertainty in time
@@ -313,15 +344,22 @@ struct point decode_iod_observation(char *iod_line)
   ra *= 15.0;
 
   // Get precession epoch
-  if (epoch==0) {
+  if (epoch == 0)
+    {
       p.ra = ra;
       p.de = de;
       return p;
-  } else if (epoch==4) {
+    }
+  else if (epoch == 4)
+    {
       mjd0 = 33281.9235;
-  } else if (epoch==5) {
+    }
+  else if (epoch == 5)
+    {
       mjd0 = 51544.5;
-  } else {
+    }
+  else
+    {
       fprintf (stderr, "Observing epoch not implemented\n");
       p.flag = 0;
     }
@@ -333,7 +371,8 @@ struct point decode_iod_observation(char *iod_line)
 }
 
 // Get observing site
-struct site get_site(int site_id)
+struct site
+get_site (int site_id)
 {
   int i = 0;
   char line[LIM];
@@ -348,11 +387,13 @@ struct site get_site(int site_id)
   env = getenv ("ST_DATADIR");
   sprintf (filename, "%s/data/sites.txt", env);
   file = fopen (filename, "r");
-  if (file==NULL) {
+  if (file == NULL)
+    {
       printf ("File with site information not found!\n");
       return s;
     }
-  while (fgets(line,LIM,file)!=NULL) {
+  while (fgets (line, LIM, file) != NULL)
+    {
       // Skip
       if (strstr (line, "#") != NULL)
 	continue;
@@ -361,15 +402,15 @@ struct site get_site(int site_id)
       line[strlen (line) - 1] = '\0';
 
       // Read data
-    sscanf(line,"%4d %2s %lf %lf %f",
+      sscanf (line, "%4d %2s %lf %lf %f", &id, abbrev, &lat, &lng, &alt);
-	   &id,abbrev,&lat,&lng,&alt);
       strcpy (observer, line + 38);
 
       // Change to km
       alt /= 1000.0;
 
       // Copy site
-    if (id==site_id) {
+      if (id == site_id)
+	{
 	  s.lat = lat;
 	  s.lng = lng;
 	  s.alt = alt;
@@ -385,29 +426,36 @@ struct site get_site(int site_id)
 
   return s;
 }
+
 // Return x modulo y [0,y)
-double modulo(double x,double y)
+double
+modulo (double x, double y)
 {
   x = fmod (x, y);
-  if (x<0.0) x+=y;
+  if (x < 0.0)
+    x += y;
 
   return x;
 }
 
 // Greenwich Mean Sidereal Time
-double gmst(double mjd)
+double
+gmst (double mjd)
 {
   double t, gmst;
 
   t = (mjd - 51544.5) / 36525.0;
 
-  gmst=modulo(280.46061837+360.98564736629*(mjd-51544.5)+t*t*(0.000387933-t/38710000),360.0);
+  gmst =
+    modulo (280.46061837 + 360.98564736629 * (mjd - 51544.5) +
+	    t * t * (0.000387933 - t / 38710000), 360.0);
 
   return gmst;
 }
 
 // Greenwich Mean Sidereal Time
-double dgmst(double mjd)
+double
+dgmst (double mjd)
 {
   double t, dgmst;
 
@@ -419,7 +467,9 @@ double dgmst(double mjd)
 }
 
 // Observer position
-void obspos_xyz(double mjd,double lng,double lat,float alt,xyz_t *pos,xyz_t *vel)
+void
+obspos_xyz (double mjd, double lng, double lat, float alt, xyz_t * pos,
+	    xyz_t * vel)
 {
   double ff, gc, gs, theta, s, dtheta;
 
@@ -442,7 +492,9 @@ void obspos_xyz(double mjd,double lng,double lat,float alt,xyz_t *pos,xyz_t *vel
 }
 
 // Precess a celestial position
-void precess(double mjd0,double ra0,double de0,double mjd,double *ra,double *de)
+void
+precess (double mjd0, double ra0, double de0, double mjd, double *ra,
+	 double *de)
 {
   double t0, t;
   double zeta, z, theta;
@@ -483,7 +535,8 @@ void precess(double mjd0,double ra0,double de0,double mjd,double *ra,double *de)
 }
 
 // Read a line of maximum length int lim from file FILE into string s
-int fgetline(FILE *file,char *s,int lim)
+int
+fgetline (FILE * file, char *s, int lim)
 {
   int c, i = 0;
 
@@ -497,7 +550,8 @@ int fgetline(FILE *file,char *s,int lim)
   return i;
 }
 
-void usage()
+void
+usage ()
 {
   printf ("bla\n");
 
@@ -505,12 +559,14 @@ void usage()
 }
 
 // Compute Julian Day from Date
-double date2mjd(int year,int month,double day)
+double
+date2mjd (int year, int month, double day)
 {
   int a, b;
   double jd;
 
-  if (month<3) {
+  if (month < 3)
+    {
       year--;
       month += 12;
     }
@@ -518,17 +574,23 @@ double date2mjd(int year,int month,double day)
   a = floor (year / 100.);
   b = 2. - a + floor (a / 4.);
 
-  if (year<1582) b=0;
+  if (year < 1582)
-  if (year==1582 && month<10) b=0;
+    b = 0;
-  if (year==1582 && month==10 && day<=4) b=0;
+  if (year == 1582 && month < 10)
+    b = 0;
+  if (year == 1582 && month == 10 && day <= 4)
+    b = 0;
 
-  jd=floor(365.25*(year+4716))+floor(30.6001*(month+1))+day+b-1524.5;
+  jd =
+    floor (365.25 * (year + 4716)) + floor (30.6001 * (month + 1)) + day + b -
+    1524.5;
 
   return jd - 2400000.5;
 }
 
 // Read data
-struct data read_data(char *filename)
+struct data
+read_data (char *filename)
 {
   int i = 0;
   char line[LIM];
@@ -537,7 +599,8 @@ struct data read_data(char *filename)
 
   // Open file
   file = fopen (filename, "r");
-  if (file==NULL) {
+  if (file == NULL)
+    {
       fprintf (stderr, "Failed to open %s\n", filename);
       exit (1);
     }
@@ -555,7 +618,8 @@ struct data read_data(char *filename)
 
   // Read data
   i = 0;
-  while (fgetline(file,line,LIM)>0) {
+  while (fgetline (file, line, LIM) > 0)
+    {
       if (isdigit (line[0]))
 	d.p[i++] = decode_iod_observation (line);
     }
@@ -567,7 +631,8 @@ struct data read_data(char *filename)
 }
 
 // Get a x and y from a RA and Decl
-void forward(double ra0,double de0,double ra,double de,double *x,double *y)
+void
+forward (double ra0, double de0, double ra, double de, double *x, double *y)
 {
   int i, status;
   double phi, theta;
@@ -582,7 +647,8 @@ void forward(double ra0,double de0,double ra,double de,double *x,double *y)
   cel.flag = 0.;
   strcpy (cel.prj.code, "TAN");
 
-  if (celset(&cel)) {
+  if (celset (&cel))
+    {
       printf ("Error in Projection (celset)\n");
       return;
     }

src/reverse.c

@@ -4,7 +4,8 @@
 #include <wcslib/cel.h>
 
 // Get a RA and Decl from x and y
-void reverse(double ra0,double de0,double x,double y,double *ra,double *de)
+void
+reverse (double ra0, double de0, double x, double y, double *ra, double *de)
 {
   int i, status;
   double phi, theta;
@@ -22,7 +23,8 @@ void reverse(double ra0,double de0,double x,double y,double *ra,double *de)
   cel.flag = 0.;
   strcpy (cel.prj.code, "STG");
 
-  if (celset(&cel)) {
+  if (celset (&cel))
+    {
       printf ("Error in Projection (celset)\n");
       return;
     }

src/runsched.c

@@ -23,18 +23,21 @@
 #define FINISHED 2
 
 // Observation struct contains observation time, celestial coords and camera name
-struct observation {
+struct observation
+{
   char stime[32], sra[32], sde[32], camname[15], startstop[10];
   time_t ptime;
   float dt;
 };
 
 int fgetline (FILE * file, char *s, int lim);
-void send_position(char *sra,char *sde,char *datadir,char *obsdir,char *camname);
+void send_position (char *sra, char *sde, char *datadir, char *obsdir,
+		    char *camname);
 void stop_obs (char *datadir, char *obsdir, char *camname);
 time_t decode_time (char *stm);
 
-int main(int argc, char *argv[]) 
+int
+main (int argc, char *argv[])
 {
   int i = 0, nobs, flag = 0;
   time_t rawtime, aimtime;
@@ -48,27 +51,36 @@ int main(int argc, char *argv[])
 
   // Get environment variables
   env = getenv ("ST_DATADIR");
-  if (env!=NULL) {
+  if (env != NULL)
+    {
       strcpy (datadir, env);
-  } else {
+    }
+  else
+    {
       printf ("ST_DATADIR environment variable not found.\n");
     }
 
   // Get environment variables
   env = getenv ("ST_OBSDIR");
-  if (env!=NULL) {
+  if (env != NULL)
+    {
       strcpy (obsdir, env);
-  } else {
+    }
+  else
+    {
       printf ("ST_OBSDIR environment variable not found.\n");
     }
 
   // For ever loop
-  for (;;) {
+  for (;;)
+    {
       // Read file
       i = 0;
       file = fopen ("schedule.txt", "r");
-    while (fgetline(file,line,LIM)>0) {
+      while (fgetline (file, line, LIM) > 0)
-      sscanf(line,"%s %s %s %s %s",obs[i].stime,obs[i].sra,obs[i].sde,obs[i].camname,obs[i].startstop);
+	{
+	  sscanf (line, "%s %s %s %s %s", obs[i].stime, obs[i].sra,
+		  obs[i].sde, obs[i].camname, obs[i].startstop);
 	  obs[i].ptime = decode_time (obs[i].stime);
 
 	  i++;
@@ -92,34 +104,46 @@ int main(int argc, char *argv[])
       // printf("%s\n",ctime(&rawtime));
 
       // Compute time differences
-    for (i=0;i<nobs;i++) {
+      for (i = 0; i < nobs; i++)
+	{
 	  obs[i].dt = difftime (obs[i].ptime, rawtime);
 	}
 
       nextobs = -1;
       dtnext = 9999999;
       // Loop over observations
-    for (i=0;i<nobs;i++) {
+      for (i = 0; i < nobs; i++)
-      if (obs[i].dt>0.0) {
+	{
-	if(obs[i].dt < dtnext){
+	  if (obs[i].dt > 0.0)
+	    {
+	      if (obs[i].dt < dtnext)
+		{
 		  nextobs = i;
 		  dtnext = obs[i].dt;
 		}
 	      //                              printf("%4.0f %s %s %s %s\n",obs[i].dt,obs[i].stime,obs[i].sra,obs[i].sde,obs[i].startstop);
 	      //                              break;
-      } else if (obs[i].dt==0) {
+	    }
-	if(strstr(obs[i].startstop,"tart")!=NULL){
+	  else if (obs[i].dt == 0)
+	    {
+	      if (strstr (obs[i].startstop, "tart") != NULL)
+		{
 		  //printf("Slewing to %s %s\n",obs[i].sra,obs[i].sde);
-	  send_position(obs[i].sra,obs[i].sde,datadir,obsdir,obs[i].camname);
+		  send_position (obs[i].sra, obs[i].sde, datadir, obsdir,
-	} else if(strstr(obs[i].startstop,"top")!=NULL){
+				 obs[i].camname);
+		}
+	      else if (strstr (obs[i].startstop, "top") != NULL)
+		{
 		  stop_obs (datadir, obsdir, obs[i].camname);
 		}
 	    }
 	}
 
-    if(nextobs>=0){
+      if (nextobs >= 0)
+	{
 	  // print next observation data if any found
-      printf("%4.0f %s %s %s %s\n",obs[nextobs].dt,obs[nextobs].stime,obs[nextobs].sra,obs[nextobs].sde,obs[nextobs].startstop);
+	  printf ("%4.0f %s %s %s %s\n", obs[nextobs].dt, obs[nextobs].stime,
+		  obs[nextobs].sra, obs[nextobs].sde, obs[nextobs].startstop);
 	}
       // Sleep
       sleep (1);
@@ -129,7 +153,8 @@ int main(int argc, char *argv[])
 }
 
 // Read a line of maximum length int lim from file FILE into string s
-int fgetline(FILE *file,char *s,int lim)
+int
+fgetline (FILE * file, char *s, int lim)
 {
   int c, i = 0;
 
@@ -142,22 +167,26 @@ int fgetline(FILE *file,char *s,int lim)
 }
 
 // Read data/cameras.txt in search of specified camera name and return complete camera details line
-int read_cameras(char *camname,char *datadir,char *camera)
+int
+read_cameras (char *camname, char *datadir, char *camera)
 {
   FILE *file;
   char line[127], filename[127];
 
   sprintf (filename, "%s/data/cameras.txt", datadir);
   file = fopen (filename, "r");
-  if (file==NULL) {
+  if (file == NULL)
+    {
       printf ("File with camera information not found!\n");
       return -1;
     }
-  while (fgets(line,LIM,file)!=NULL) {
+  while (fgets (line, LIM, file) != NULL)
+    {
       // Skip commented lines
       if (strstr (line, "#") != NULL)
 	continue;
-    if(strstr(line, camname)!=NULL){
+      if (strstr (line, camname) != NULL)
+	{
 	  strcpy (camera, line);
 	  return 0;
 	}
@@ -168,7 +197,9 @@ int read_cameras(char *camname,char *datadir,char *camera)
 
 
 // Send new position to telescope
-void send_position(char *sra,char *sde,char *datadir,char *obsdir,char *camname)
+void
+send_position (char *sra, char *sde, char *datadir, char *obsdir,
+	       char *camname)
 {
   int skt, port;
   struct hostent *he;
@@ -185,13 +216,16 @@ void send_position(char *sra,char *sde,char *datadir,char *obsdir,char *camname)
   read_cameras (camname, datadir, camera);	// search for camera name
   sscanf (camera, "%s %f %f %f %f %s", s, &f, &f, &f, &f, s);
   // Look for "fix" string to jump over slewing routines.
-  if(strstr(s,"ix")==NULL){
+  if (strstr (s, "ix") == NULL)
+    {
 
       // Old packet style
       //  sprintf(packet,"<newNumberVector device='iEQ' name='EQUATORIAL_EOD_COORD_REQUEST'><oneNumber name='RA'>%s</oneNumber><oneNumber name='DEC'>%s</oneNumber></newNumberVector>",sra,sde);
 
       // New packet style (as of 2013-08-20)
-    sprintf(packet,"<newNumberVector device='iEQ' name='EQUATORIAL_EOD_COORD'><oneNumber name='RA'>%s</oneNumber><oneNumber name='DEC'>%s</oneNumber></newNumberVector>",sra,sde);
+      sprintf (packet,
+	       "<newNumberVector device='iEQ' name='EQUATORIAL_EOD_COORD'><oneNumber name='RA'>%s</oneNumber><oneNumber name='DEC'>%s</oneNumber></newNumberVector>",
+	       sra, sde);
 
       printf ("Slewing to %s %s\n", sra, sde);
 
@@ -202,11 +236,15 @@ void send_position(char *sra,char *sde,char *datadir,char *obsdir,char *camname)
       addr.sin_port = htons (port);
       he = gethostbyname (IP);
       bcopy (he->h_addr, (struct in_addr *) &addr.sin_addr, he->h_length);
-    while((connect(skt,(struct sockaddr *) &addr,sizeof(addr))<0) && (port < MAXPORT)) {
+      while ((connect (skt, (struct sockaddr *) &addr, sizeof (addr)) < 0)
-      fprintf(stderr,"Connection refused by remote host on port %04d.\n",port);
+	     && (port < MAXPORT))
+	{
+	  fprintf (stderr,
+		   "Connection refused by remote host on port %04d.\n", port);
 	  port++;
 	  // Skip port 7265... used by some other service?
-      if(port==7265) port++;
+	  if (port == 7265)
+	    port++;
 	  fprintf (stderr, "Trying port %04d.\n", port);
 
 	  addr.sin_port = htons (port);
@@ -214,7 +252,8 @@ void send_position(char *sra,char *sde,char *datadir,char *obsdir,char *camname)
 	  bcopy (he->h_addr, (struct in_addr *) &addr.sin_addr, he->h_length);
 
 	}
-    if(port>=MAXPORT) return;
+      if (port >= MAXPORT)
+	return;
 
       printf ("Connected to Indi server on port %04d.\n", port);
 
@@ -227,7 +266,8 @@ void send_position(char *sra,char *sde,char *datadir,char *obsdir,char *camname)
   // Set restart
   sprintf (fname, "%s/control/state.txt", obsdir);
   file = fopen (fname, "w");
-  if (file!=NULL) {
+  if (file != NULL)
+    {
       fprintf (file, "restart");
       fclose (file);
     }
@@ -235,7 +275,8 @@ void send_position(char *sra,char *sde,char *datadir,char *obsdir,char *camname)
   // Set position
   sprintf (fname, "%s/control/position.txt", obsdir);
   file = fopen (fname, "w");
-  if (file!=NULL) {
+  if (file != NULL)
+    {
       fprintf (file, "%s %s\n", sra, sde);
       fclose (file);
     }
@@ -243,7 +284,8 @@ void send_position(char *sra,char *sde,char *datadir,char *obsdir,char *camname)
   // Set camera
   sprintf (fname, "%s/control/camera.txt", obsdir);
   file = fopen (fname, "w");
-  if (file!=NULL) {
+  if (file != NULL)
+    {
       fprintf (file, "%s", camera);
       fclose (file);
     }
@@ -253,7 +295,8 @@ void send_position(char *sra,char *sde,char *datadir,char *obsdir,char *camname)
 
 
 // Send stop observation signal
-void stop_obs(char *datadir,char *obsdir,char *camname)
+void
+stop_obs (char *datadir, char *obsdir, char *camname)
 {
   FILE *file;
   char camera[128], fname[128];
@@ -270,7 +313,8 @@ void stop_obs(char *datadir,char *obsdir,char *camname)
   // Set stop
   sprintf (fname, "%s/control/state.txt", obsdir);
   file = fopen (fname, "w");
-  if (file!=NULL) {
+  if (file != NULL)
+    {
       fprintf (file, "stop");
       fclose (file);
     }
@@ -280,14 +324,16 @@ void stop_obs(char *datadir,char *obsdir,char *camname)
 
 
 // Decode time
-time_t decode_time(char *stm)
+time_t
+decode_time (char *stm)
 {
   time_t aimtime;
   struct tm *rtm;
   int d;
 
   rtm = gmtime (&aimtime);
-  sscanf(stm,"%04d-%02d-%02dT%02d:%02d:%02d",&rtm->tm_year,&rtm->tm_mon,&rtm->tm_mday,&rtm->tm_hour,&rtm->tm_min,&rtm->tm_sec);
+  sscanf (stm, "%04d-%02d-%02dT%02d:%02d:%02d", &rtm->tm_year, &rtm->tm_mon,
+	  &rtm->tm_mday, &rtm->tm_hour, &rtm->tm_min, &rtm->tm_sec);
   rtm->tm_year -= 1900;
   rtm->tm_mon--;
   aimtime = mktime (rtm);

src/rv2tle.c

@@ -18,19 +18,22 @@
 extern double SGDP4_jd0;
 
 // Dot product
-float dot(xyz_t a,xyz_t b)
+float
+dot (xyz_t a, xyz_t b)
 {
   return a.x * b.x + a.y * b.y + a.z * b.z;
 }
 
 // Magnitude
-double magnitude(xyz_t a)
+double
+magnitude (xyz_t a)
 {
   return sqrt (dot (a, a));
 }
 
 // Cross product
-xyz_t cross(xyz_t a,xyz_t b)
+xyz_t
+cross (xyz_t a, xyz_t b)
 {
   xyz_t c;
 
@@ -42,16 +45,19 @@ xyz_t cross(xyz_t a,xyz_t b)
 }
 
 // Return x modulo y [0,y)
-double modulo(double x,double y)
+double
+modulo (double x, double y)
 {
   x = fmod (x, y);
-  if (x<0.0) x+=y;
+  if (x < 0.0)
+    x += y;
 
   return x;
 }
 
 // Compute Date from Julian Day
-void mjd2date(double mjd,int *year,int *month,double *day)
+void
+mjd2date (double mjd, int *year, int *month, double *day)
 {
   double f, jd;
   int z, alpha, a, b, c, d, e;
@@ -64,7 +70,8 @@ void mjd2date(double mjd,int *year,int *month,double *day)
 
   if (z < 2299161)
     a = z;
-  else {
+  else
+    {
       alpha = floor ((z - 1867216.25) / 36524.25);
       a = z + 1 + alpha - floor (alpha / 4.);
     }
@@ -88,7 +95,8 @@ void mjd2date(double mjd,int *year,int *month,double *day)
 }
 
 // MJD to DOY
-double mjd2doy(double mjd,int *yr)
+double
+mjd2doy (double mjd, int *yr)
 {
   int year, month, k = 2;
   double day, doy;
@@ -98,7 +106,8 @@ double mjd2doy(double mjd,int *yr)
   if (year % 4 == 0 && year % 400 != 0)
     k = 1;
 
-  doy=floor(275.0*month/9.0)-k*floor((month+9.0)/12.0)+day-30;
+  doy =
+    floor (275.0 * month / 9.0) - k * floor ((month + 9.0) / 12.0) + day - 30;
 
   *yr = year;
 
@@ -106,7 +115,8 @@ double mjd2doy(double mjd,int *yr)
 }
 
 // Clasical elements
-orbit_t classel(int ep_year,double ep_day,xyz_t r,xyz_t v)
+orbit_t
+classel (int ep_year, double ep_day, xyz_t r, xyz_t v)
 {
   int i;
   double rm, vm, vm2, rvm, mu = 1.0;;
@@ -153,7 +163,8 @@ orbit_t classel(int ep_year,double ep_day,xyz_t r,xyz_t v)
     peri += 360.0;
 
   // Elliptic motion
-  if (ecc<1.0) {
+  if (ecc < 1.0)
+    {
       xp = (chi - rm) / ecc;
       yp = rvm / ecc * sqrt (chi / mu);
       b = a * sqrt (1.0 - ecc * ecc);
@@ -182,7 +193,8 @@ orbit_t classel(int ep_year,double ep_day,xyz_t r,xyz_t v)
   return orb;
 }
 
-orbit_t rv2el(int satno,double mjd,xyz_t r0,xyz_t v0)
+orbit_t
+rv2el (int satno, double mjd, xyz_t r0, xyz_t v0)
 {
   int i, imode;
   orbit_t orb[5], orb1[5];
@@ -199,7 +211,8 @@ orbit_t rv2el(int satno,double mjd,xyz_t r0,xyz_t v0)
   orb[0] = classel (ep_year, ep_day, r0, v0);
   orb[0].satno = satno;
 
-  for (i=0;i<5;i++) {
+  for (i = 0; i < 5; i++)
+    {
       // Propagate
       imode = init_sgdp4 (&orb[i]);
       imode = satpos_xyz (mjd + 2400000.5, &r, &v);
@@ -235,30 +248,44 @@ orbit_t rv2el(int satno,double mjd,xyz_t r0,xyz_t v0)
 }
 
 // Format TLE
-void format_tle(orbit_t orb,char *line1,char *line2)
+void
+format_tle (orbit_t orb, char *line1, char *line2)
 {
   int i, csum;
   char sbstar[] = " 00000-0", bstar[13];
 
   // Format Bstar term
-  if (fabs(orb.bstar)>1e-9) {
+  if (fabs (orb.bstar) > 1e-9)
+    {
       sprintf (bstar, "%11.4e", 10 * orb.bstar);
-    sbstar[0] = bstar[0];  sbstar[1] = bstar[1];  sbstar[2] = bstar[3];  sbstar[3] = bstar[4];
+      sbstar[0] = bstar[0];
-    sbstar[4] = bstar[5];  sbstar[5] = bstar[6];  sbstar[6] = bstar[8];  sbstar[7] = bstar[10];  sbstar[8] = '\0';
+      sbstar[1] = bstar[1];
+      sbstar[2] = bstar[3];
+      sbstar[3] = bstar[4];
+      sbstar[4] = bstar[5];
+      sbstar[5] = bstar[6];
+      sbstar[6] = bstar[8];
+      sbstar[7] = bstar[10];
+      sbstar[8] = '\0';
     }
   // Print lines
-  sprintf(line1,"1 %05dU %-8s %2d%012.8f  .00000000  00000-0 %8s 0    0",orb.satno,orb.desig,orb.ep_year-2000,orb.ep_day,sbstar);
+  sprintf (line1, "1 %05dU %-8s %2d%012.8f  .00000000  00000-0 %8s 0    0",
-  sprintf(line2,"2 %05d %8.4f %8.4f %07.0f %8.4f %8.4f %11.8f    0",orb.satno,DEG(orb.eqinc),DEG(orb.ascn),1E7*orb.ecc,DEG(orb.argp),DEG(orb.mnan),orb.rev);
+	   orb.satno, orb.desig, orb.ep_year - 2000, orb.ep_day, sbstar);
+  sprintf (line2, "2 %05d %8.4f %8.4f %07.0f %8.4f %8.4f %11.8f    0",
+	   orb.satno, DEG (orb.eqinc), DEG (orb.ascn), 1E7 * orb.ecc,
+	   DEG (orb.argp), DEG (orb.mnan), orb.rev);
 
   // Compute checksums
-  for (i=0,csum=0;i<strlen(line1);i++) {
+  for (i = 0, csum = 0; i < strlen (line1); i++)
+    {
       if (isdigit (line1[i]))
 	csum += line1[i] - '0';
       else if (line1[i] == '-')
 	csum++;
     }
   sprintf (line1, "%s%d", line1, csum % 10);
-  for (i=0,csum=0;i<strlen(line2);i++) {
+  for (i = 0, csum = 0; i < strlen (line2); i++)
+    {
       if (isdigit (line2[i]))
 	csum += line2[i] - '0';
       else if (line2[i] == '-')
@@ -270,7 +297,8 @@ void format_tle(orbit_t orb,char *line1,char *line2)
 }
 
 // Present nfd
-void nfd_now(char *s)
+void
+nfd_now (char *s)
 {
   time_t rawtime;
   struct tm *ptm;
@@ -279,18 +307,22 @@ void nfd_now(char *s)
   time (&rawtime);
   ptm = gmtime (&rawtime);
 
-  sprintf(s,"%04d-%02d-%02dT%02d:%02d:%02d",ptm->tm_year+1900,ptm->tm_mon+1,ptm->tm_mday,ptm->tm_hour,ptm->tm_min,ptm->tm_sec);
+  sprintf (s, "%04d-%02d-%02dT%02d:%02d:%02d", ptm->tm_year + 1900,
+	   ptm->tm_mon + 1, ptm->tm_mday, ptm->tm_hour, ptm->tm_min,
+	   ptm->tm_sec);
 
   return;
 }
 
 // Compute Julian Day from Date
-double date2mjd(int year,int month,double day)
+double
+date2mjd (int year, int month, double day)
 {
   int a, b;
   double jd;
 
-  if (month<3) {
+  if (month < 3)
+    {
       year--;
       month += 12;
     }
@@ -298,22 +330,29 @@ double date2mjd(int year,int month,double day)
   a = floor (year / 100.);
   b = 2. - a + floor (a / 4.);
 
-  if (year<1582) b=0;
+  if (year < 1582)
-  if (year==1582 && month<10) b=0;
+    b = 0;
-  if (year==1582 && month==10 && day<=4) b=0;
+  if (year == 1582 && month < 10)
+    b = 0;
+  if (year == 1582 && month == 10 && day <= 4)
+    b = 0;
 
-  jd=floor(365.25*(year+4716))+floor(30.6001*(month+1))+day+b-1524.5;
+  jd =
+    floor (365.25 * (year + 4716)) + floor (30.6001 * (month + 1)) + day + b -
+    1524.5;
 
   return jd - 2400000.5;
 }
 
 // nfd2mjd
-double nfd2mjd(char *date)
+double
+nfd2mjd (char *date)
 {
   int year, month, day, hour, min, sec;
   double mjd, dday;
 
-  sscanf(date,"%04d-%02d-%02dT%02d:%02d:%02d",&year,&month,&day,&hour,&min,&sec);
+  sscanf (date, "%04d-%02d-%02dT%02d:%02d:%02d", &year, &month, &day, &hour,
+	  &min, &sec);
   dday = day + hour / 24.0 + min / 1440.0 + sec / 86400.0;
 
   mjd = date2mjd (year, month, dday);
@@ -321,15 +360,19 @@ double nfd2mjd(char *date)
   return mjd;
 }
 
-void usage(void)
+void
+usage (void)
 {
-  printf("Usage: rv2tle -p XYZFILE [- i NORADID] [-d COSPARID] [-g] [-h]\n\n");
+  printf
+    ("Usage: rv2tle -p XYZFILE [- i NORADID] [-d COSPARID] [-g] [-h]\n\n");
   printf ("Arguments:\n");
   printf ("-p XYZFILE    File with cartesian position and velocity vector\n");
   printf ("              Format: '{mjd} {x} {y} {z} {vx} {vy} {vz}'\n");
   printf ("              Units: position in  km, velocity in km/s\n");
-  printf("-i NORADID    Satellite Catalog Number (NORAD ID), default: 99000\n");
+  printf
-  printf("-d COSPARID   International Designator (COSPAR ID), default: 14999A\n");
+    ("-i NORADID    Satellite Catalog Number (NORAD ID), default: 99000\n");
+  printf
+    ("-d COSPARID   International Designator (COSPAR ID), default: 14999A\n");
   printf ("-g            Use non-standard / GMAT's Modified Julian Date\n");
   printf ("-h            This help\n");
 
@@ -337,7 +380,8 @@ void usage(void)
 }
 
 // Read a line of maximum length int lim from file FILE into string s
-int fgetline(FILE *file,char *s,int lim)
+int
+fgetline (FILE * file, char *s, int lim)
 {
   int c, i = 0;
 
@@ -349,7 +393,8 @@ int fgetline(FILE *file,char *s,int lim)
   return i;
 }
 
-int main(int argc,char *argv[])
+int
+main (int argc, char *argv[])
 {
   int imode, satno = 99000, arg, gmat = 0;
   FILE *file;
@@ -361,8 +406,10 @@ int main(int argc,char *argv[])
   char *env;
 
   // Decode options
-  while ((arg=getopt(argc,argv,"p:i:d:gh"))!=-1) {
+  while ((arg = getopt (argc, argv, "p:i:d:gh")) != -1)
-    switch (arg) {
+    {
+      switch (arg)
+	{
 
 	case 'p':
 	  strcpy (xyzfile, optarg);
@@ -394,8 +441,10 @@ int main(int argc,char *argv[])
 
   // Open file
   file = fopen (xyzfile, "r");
-  while (fgetline(file,line,LIM)>0) {
+  while (fgetline (file, line, LIM) > 0)
-    sscanf(line,"%lf %lf %lf %lf %lf %lf %lf",&mjd,&r.x,&r.y,&r.z,&v.x,&v.y,&v.z);
+    {
+      sscanf (line, "%lf %lf %lf %lf %lf %lf %lf", &mjd, &r.x, &r.y, &r.z,
+	      &v.x, &v.y, &v.z);
 
       // Convert to MJD
       if (gmat == 1)
@@ -415,4 +464,3 @@ int main(int argc,char *argv[])
 
   return 0;
 }
-

src/s2dec.c

@@ -5,15 +5,18 @@
 #include <math.h>
 
 // Usage: s2dec [options] hh:mm:ss.ss
-int main(int argc,char *argv[])
+int
+main (int argc, char *argv[])
 {
   double x;
   int sign = 1;
   float deg, min, sec;
   char t[20], c;
 
-  if (argc==1) {
+  if (argc == 1)
-    printf("Usage: s2dec -r <hh:mm:ss.sss>\n    -or-    <ddd:mm:ss.sss>\nCompute sexagesimal from decimal input x.\n");
+    {
+      printf
+	("Usage: s2dec -r <hh:mm:ss.sss>\n    -or-    <ddd:mm:ss.sss>\nCompute sexagesimal from decimal input x.\n");
       printf ("Options: -r Converts hours into degrees\n");
 
       return -1;
@@ -21,7 +24,8 @@ int main(int argc,char *argv[])
 
   // Get Sexagesimal string
   strcpy (t, argv[--argc]);
-  if (t[0]=='-') sign=-1;
+  if (t[0] == '-')
+    sign = -1;
 
   deg = fabs (atof (strtok (t, " :,")));
   min = fabs (atof (strtok (NULL, " :,")));
@@ -30,8 +34,10 @@ int main(int argc,char *argv[])
   x = (double) deg + (double) min / 60. + (double) sec / 3600.;
 
   // Get Options
-  while (--argc > 0 && (*++argv)[0] == '-') {
+  while (--argc > 0 && (*++argv)[0] == '-')
-    while (c = *++argv[0]) {
+    {
+      while (c = *++argv[0])
+	{
 	  if (c == 'r')
 	    x *= 15.;
 	}

src/satid.c

@@ -20,18 +20,21 @@ long Isat=0;
 long Isatsel = 0;
 extern double SGDP4_jd0;
 
-struct map {
+struct map
+{
   double lat, lng;
   float alt;
   char observer[32];
   int site_id;
 } m;
-struct point {
+struct point
+{
   double mjd;
   xyz_t obspos, sunpos;
   double zeta, z, theta;
 } p[MMAX];
-struct image {
+struct image
+{
   char filename[64];
   int naxis, naxis1, naxis2, nframes;
   float *zavg, *zstd, *zmax, *znum;
@@ -50,13 +53,18 @@ void obspos_xyz(double,xyz_t *,xyz_t *);
 void sunpos_xyz (double, xyz_t *);
 double gmst (double);
 double dgmst (double);
-void precession_angles(double mjd0,double mjd,double *zeta,double *z,double *theta);
+void precession_angles (double mjd0, double mjd, double *zeta, double *z,
+			double *theta);
 void initialize (struct image img);
-void forward(double ra0,double de0,double ra,double de,double *x,double *y);
+void forward (double ra0, double de0, double ra, double de, double *x,
-void reverse(double ra0,double de0,double x,double y,double *ra,double *de);
+	      double *y);
+void reverse (double ra0, double de0, double x, double y, double *ra,
+	      double *de);
 struct sat apparent_position (double mjd);
 
-void plot_satellites(char *tlefile,struct image img,long satno,double mjd0,float dt,int color)
+void
+plot_satellites (char *tlefile, struct image img, long satno, double mjd0,
+		 float dt, int color)
 {
   int i;
   orbit_t orb;
@@ -89,7 +97,8 @@ void plot_satellites(char *tlefile,struct image img,long satno,double mjd0,float
   file = fopen (filename, "a");
 
   // Read TLEs
-  while (read_twoline(fp,satno,&orb)==0) {
+  while (read_twoline (fp, satno, &orb) == 0)
+    {
       Isat = orb.satno;
       imode = init_sgdp4 (&orb);
 
@@ -99,12 +108,15 @@ void plot_satellites(char *tlefile,struct image img,long satno,double mjd0,float
 	continue;
 
       // Loop over times
-    for (flag=0,textflag=0,sflag=0,i=0;i<MMAX;i++) {
+      for (flag = 0, textflag = 0, sflag = 0, i = 0; i < MMAX; i++)
+	{
 	  // Satellite position
 	  satpos_xyz (p[i].mjd + 2400000.5, &satpos, &satvel);
 
 	  // Check on radius
-      r=sqrt(satpos.x*satpos.x+satpos.y*satpos.y+satpos.z*satpos.z);
+	  r =
+	    sqrt (satpos.x * satpos.x + satpos.y * satpos.y +
+		  satpos.z * satpos.z);
 	  if (r > 300000)
 	    continue;
 
@@ -121,17 +133,25 @@ void plot_satellites(char *tlefile,struct image img,long satno,double mjd0,float
 
 	  // Correct for precession
 	  a = cos (de) * sin (ra + p[i].zeta);
-      b=cos(p[i].theta)*cos(de)*cos(ra+p[i].zeta)-sin(p[i].theta)*sin(de);
+	  b =
-      c=sin(p[i].theta)*cos(de)*cos(ra+p[i].zeta)+cos(p[i].theta)*sin(de);
+	    cos (p[i].theta) * cos (de) * cos (ra + p[i].zeta) -
+	    sin (p[i].theta) * sin (de);
+	  c =
+	    sin (p[i].theta) * cos (de) * cos (ra + p[i].zeta) +
+	    cos (p[i].theta) * sin (de);
 	  ra = modulo ((atan2 (a, b) + p[i].z) * R2D, 360.0);
 	  de = asin (c) * R2D;
 
 	  // Adjust for stationary camera
 	  if (img.tracked == 0)
-	ra+=gmst(img.mjd+0.5*img.exptime/86400.0)-gmst(p[i].mjd);
+	    ra +=
+	      gmst (img.mjd + 0.5 * img.exptime / 86400.0) - gmst (p[i].mjd);
 
 	  // Check if nearby enough
-      r=acos(sin(img.de0*D2R)*sin(de*D2R)+cos(img.de0*D2R)*cos(de*D2R)*cos((img.ra0-ra)*D2R))*R2D;
+	  r =
+	    acos (sin (img.de0 * D2R) * sin (de * D2R) +
+		  cos (img.de0 * D2R) * cos (de * D2R) * cos ((img.ra0 - ra) *
+							      D2R)) * R2D;
 	  if (r < 90.0)
 	    forward (img.ra0, img.de0, ra, de, &rx, &ry);
 	  else
@@ -144,22 +164,31 @@ void plot_satellites(char *tlefile,struct image img,long satno,double mjd0,float
 
 	  // Distances
 	  rsun = sqrt (dx * dx + dy * dy + dz * dz);
-      rearth=sqrt(satpos.x*satpos.x+satpos.y*satpos.y+satpos.z*satpos.z);
+	  rearth =
+	    sqrt (satpos.x * satpos.x + satpos.y * satpos.y +
+		  satpos.z * satpos.z);
 
 	  // Angles
 	  psun = asin (696.0e3 / rsun) * R2D;
 	  pearth = asin (6378.135 / rearth) * R2D;
-      ptot=acos((-dx*satpos.x-dy*satpos.y-dz*satpos.z)/(rsun*rearth))*R2D;
+	  ptot =
+	    acos ((-dx * satpos.x - dy * satpos.y -
+		   dz * satpos.z) / (rsun * rearth)) * R2D;
 
 	  // Visibility state
-      if (ptot-pearth<-psun) {
+	  if (ptot - pearth < -psun)
+	    {
 	      cpgsls (4);
 	      strcpy (state, "eclipsed");
-      } else if (ptot-pearth>-psun && ptot-pearth<psun) {
+	    }
+	  else if (ptot - pearth > -psun && ptot - pearth < psun)
+	    {
 	      cpgsls (2);
 	      strcpy (state, "umbra");
 	      sflag = 1;
-      } else if (ptot-pearth>psun) {
+	    }
+	  else if (ptot - pearth > psun)
+	    {
 	      cpgsls (1);
 	      strcpy (state, "sunlit");
 	      sflag = 1;
@@ -172,7 +201,9 @@ void plot_satellites(char *tlefile,struct image img,long satno,double mjd0,float
 	  y = (img.a[1] * dy - img.b[1] * dx) / d + img.y0;
 
 	  // Print name if in viewport
-      if (x>0.0 && x<img.naxis1 && y>0.0 && y<img.naxis2 && textflag==0) {
+	  if (x > 0.0 && x < img.naxis1 && y > 0.0 && y < img.naxis2
+	      && textflag == 0)
+	    {
 	      if (flag != 0)
 		cpgdraw (x, y);
 	      cpgsch (0.65);
@@ -181,25 +212,34 @@ void plot_satellites(char *tlefile,struct image img,long satno,double mjd0,float
 	      cpgmove (x, y);
 	      textflag = 1;
 	    }
-      if (i==0) {
+	  if (i == 0)
+	    {
 	      x0 = x;
 	      y0 = y;
 	    }
 
 	  // Plot satellites
-      if (flag==0) {
+	  if (flag == 0)
+	    {
 	      cpgpt1 (x, y, 17);
 	      cpgmove (x, y);
 	      flag = 1;
-      } else {
+	    }
+	  else
+	    {
 	      cpgdraw (x, y);
 	    }
 	}
-    if (textflag==1) {
+      if (textflag == 1)
+	{
 	  if (sflag == 0)
-	fprintf(file,"%.23s %8.3f %8.3f %8.3f %8.3f %8.5f %s %s eclipsed\n",img.nfd+1,x0,y0,x,y,img.exptime,norad,tlefile);
+	    fprintf (file,
+		     "%.23s %8.3f %8.3f %8.3f %8.3f %8.5f %s %s eclipsed\n",
+		     img.nfd + 1, x0, y0, x, y, img.exptime, norad, tlefile);
 	  else
-	fprintf(file,"%.23s %8.3f %8.3f %8.3f %8.3f %8.5f %s %s sunlit\n",img.nfd+1,x0,y0,x,y,img.exptime,norad,tlefile);
+	    fprintf (file,
+		     "%.23s %8.3f %8.3f %8.3f %8.3f %8.5f %s %s sunlit\n",
+		     img.nfd + 1, x0, y0, x, y, img.exptime, norad, tlefile);
 	}
     }
   fclose (fp);
@@ -210,7 +250,8 @@ void plot_satellites(char *tlefile,struct image img,long satno,double mjd0,float
 }
 
 
-int main(int argc,char *argv[])
+int
+main (int argc, char *argv[])
 {
   int i;
   struct image img;
@@ -234,7 +275,8 @@ int main(int argc,char *argv[])
   initialize (img);
 
   // Fill buffer
-  if (img.naxis==3) {
+  if (img.naxis == 3)
+    {
       for (i = 0, zavg = 0.0; i < img.naxis1 * img.naxis2; i++)
 	zavg += img.zmax[i];
       zavg /= (float) img.naxis1 * img.naxis2;
@@ -243,7 +285,9 @@ int main(int argc,char *argv[])
       zstd = sqrt (zstd / (float) (img.naxis1 * img.naxis2));
       zmin = zavg - 2 * zstd;
       zmax = zavg + 6 * zstd;
-  } else {
+    }
+  else
+    {
       for (i = 0, zavg = 0.0; i < img.naxis1 * img.naxis2; i++)
 	zavg += img.zavg[i];
       zavg /= (float) img.naxis1 * img.naxis2;
@@ -270,8 +314,10 @@ int main(int argc,char *argv[])
   cpgsch (0.8);
   sprintf (text, "UT Date: %.23s  COSPAR ID: %04d", img.nfd + 1, img.cospar);
   cpgmtxt ("T", 6.0, 0.0, 0.0, text);
-  sprintf(text,"R.A.: %10.5f (%4.1f'') Decl.: %10.5f (%4.1f'')",img.ra0,img.xrms,img.de0,img.yrms);
+  sprintf (text, "R.A.: %10.5f (%4.1f'') Decl.: %10.5f (%4.1f'')", img.ra0,
-  if (img.xrms<1e-3 || img.yrms<1e-3 || img.xrms/sx>2.0 || img.yrms/sy>2.0)
+	   img.xrms, img.de0, img.yrms);
+  if (img.xrms < 1e-3 || img.yrms < 1e-3 || img.xrms / sx > 2.0
+      || img.yrms / sy > 2.0)
     cpgsci (2);
   else
     cpgsci (1);
@@ -279,7 +325,9 @@ int main(int argc,char *argv[])
   cpgsci (1);
 
 
-  sprintf(text,"FoV: %.2f\\(2218)x%.2f\\(2218) Scale: %.2f''x%.2f'' pix\\u-1\\d",wx,wy,sx,sy);
+  sprintf (text,
+	   "FoV: %.2f\\(2218)x%.2f\\(2218) Scale: %.2f''x%.2f'' pix\\u-1\\d",
+	   wx, wy, sx, sy);
   cpgmtxt ("T", 3.6, 0.0, 0.0, text);
   sprintf (text, "Stat: %5.1f+-%.1f (%.1f-%.1f)", zavg, zstd, zmin, zmax);
   cpgmtxt ("T", 2.4, 0.0, 0.0, text);
@@ -291,9 +339,11 @@ int main(int argc,char *argv[])
   cpgctab (heat_l, heat_r, heat_g, heat_b, 5, 1.0, 0.5);
 
   if (img.naxis == 3)
-    cpgimag(img.zmax,img.naxis1,img.naxis2,1,img.naxis1,1,img.naxis2,zmin,zmax,tr);
+    cpgimag (img.zmax, img.naxis1, img.naxis2, 1, img.naxis1, 1, img.naxis2,
+	     zmin, zmax, tr);
   else
-    cpgimag(img.zavg,img.naxis1,img.naxis2,1,img.naxis1,1,img.naxis2,zmin,zmax,tr);
+    cpgimag (img.zavg, img.naxis1, img.naxis2, 1, img.naxis1, 1, img.naxis2,
+	     zmin, zmax, tr);
   cpgbox ("BCTSNI", 0., 0, "BCTSNI", 0., 0);
 
   cpgstbg (1);
@@ -316,7 +366,8 @@ int main(int argc,char *argv[])
 }
 
 // Read fits image
-struct image read_fits(char *filename)
+struct image
+read_fits (char *filename)
 {
   int i, j, k, l, m;
   qfitsloader ql;
@@ -366,13 +417,15 @@ struct image read_fits(char *filename)
   ql.filename = filename;
 
   // Read four-frame info
-  if (img.naxis==3) {
+  if (img.naxis == 3)
+    {
       // Number of frames
       img.nframes = atoi (qfits_query_hdr (filename, "NFRAMES"));
 
       // Timestamps
       img.dt = (float *) malloc (sizeof (float) * img.nframes);
-    for (i=0;i<img.nframes;i++) {
+      for (i = 0; i < img.nframes; i++)
+	{
 	  sprintf (key, "DT%04d", i);
 	  strcpy (val, qfits_query_hdr (filename, key));
 	  sscanf (val + 1, "%f", &img.dt[i]);
@@ -386,7 +439,8 @@ struct image read_fits(char *filename)
       img.znum = (float *) malloc (sizeof (float) * img.naxis1 * img.naxis2);
 
       // Loop over planes
-    for (k=0;k<4;k++) {
+      for (k = 0; k < 4; k++)
+	{
 	  ql.pnum = k;
 
 	  // Initialize load
@@ -398,17 +452,25 @@ struct image read_fits(char *filename)
 	    printf ("Error loading actual data\n");
 
 	  // Fill z array
-      for (i=0,l=0;i<img.naxis1;i++) {
+	  for (i = 0, l = 0; i < img.naxis1; i++)
-	for (j=0;j<img.naxis2;j++) {
+	    {
-	  if (k==0) img.zavg[l]=ql.fbuf[l];
+	      for (j = 0; j < img.naxis2; j++)
-	  if (k==1) img.zstd[l]=ql.fbuf[l];
+		{
-	  if (k==2) img.zmax[l]=ql.fbuf[l];
+		  if (k == 0)
-	  if (k==3) img.znum[l]=ql.fbuf[l];
+		    img.zavg[l] = ql.fbuf[l];
+		  if (k == 1)
+		    img.zstd[l] = ql.fbuf[l];
+		  if (k == 2)
+		    img.zmax[l] = ql.fbuf[l];
+		  if (k == 3)
+		    img.znum[l] = ql.fbuf[l];
 		  l++;
 		}
 	    }
 	}
-  } else {
+    }
+  else
+    {
       // Allocate image memory
       img.zavg = (float *) malloc (sizeof (float) * img.naxis1 * img.naxis2);
 
@@ -423,8 +485,10 @@ struct image read_fits(char *filename)
 	printf ("Error loading actual data\n");
 
       // Fill z array
-    for (i=0,l=0;i<img.naxis1;i++) {
+      for (i = 0, l = 0; i < img.naxis1; i++)
-      for (j=0;j<img.naxis2;j++) {
+	{
+	  for (j = 0; j < img.naxis2; j++)
+	    {
 	      img.zavg[l] = ql.fbuf[l];
 	      l++;
 	    }
@@ -435,7 +499,8 @@ struct image read_fits(char *filename)
 }
 
 // Get observing site
-void get_site(int site_id)
+void
+get_site (int site_id)
 {
   int i = 0;
   char line[LIM];
@@ -448,11 +513,13 @@ void get_site(int site_id)
   env = getenv ("ST_DATADIR");
   sprintf (filename, "%s/data/sites.txt", env);
   file = fopen (filename, "r");
-  if (file==NULL) {
+  if (file == NULL)
+    {
       printf ("File with site information not found!\n");
       return;
     }
-  while (fgets(line,LIM,file)!=NULL) {
+  while (fgets (line, LIM, file) != NULL)
+    {
       // Skip
       if (strstr (line, "#") != NULL)
 	continue;
@@ -461,14 +528,14 @@ void get_site(int site_id)
       line[strlen (line) - 1] = '\0';
 
       // Read data
-    sscanf(line,"%4d %2s %lf %lf %f",
+      sscanf (line, "%4d %2s %lf %lf %f", &id, abbrev, &lat, &lng, &alt);
-	   &id,abbrev,&lat,&lng,&alt);
       strcpy (observer, line + 38);
 
       // Change to km
       alt /= 1000.0;
 
-    if (id==site_id) {
+      if (id == site_id)
+	{
 	  m.lat = lat;
 	  m.lng = lng;
 	  m.alt = alt;
@@ -483,19 +550,23 @@ void get_site(int site_id)
 }
 
 // Greenwich Mean Sidereal Time
-double gmst(double mjd)
+double
+gmst (double mjd)
 {
   double t, gmst;
 
   t = (mjd - 51544.5) / 36525.0;
 
-  gmst=modulo(280.46061837+360.98564736629*(mjd-51544.5)+t*t*(0.000387933-t/38710000),360.0);
+  gmst =
+    modulo (280.46061837 + 360.98564736629 * (mjd - 51544.5) +
+	    t * t * (0.000387933 - t / 38710000), 360.0);
 
   return gmst;
 }
 
 // Greenwich Mean Sidereal Time
-double dgmst(double mjd)
+double
+dgmst (double mjd)
 {
   double t, dgmst;
 
@@ -507,16 +578,19 @@ double dgmst(double mjd)
 }
 
 // Return x modulo y [0,y)
-double modulo(double x,double y)
+double
+modulo (double x, double y)
 {
   x = fmod (x, y);
-  if (x<0.0) x+=y;
+  if (x < 0.0)
+    x += y;
 
   return x;
 }
 
 // Observer position
-void obspos_xyz(double mjd,xyz_t *pos,xyz_t *vel)
+void
+obspos_xyz (double mjd, xyz_t * pos, xyz_t * vel)
 {
   double ff, gc, gs, theta, s, dtheta;
 
@@ -539,7 +613,8 @@ void obspos_xyz(double mjd,xyz_t *pos,xyz_t *vel)
 }
 
 // Solar position
-void sunpos_xyz(double mjd,xyz_t *pos)
+void
+sunpos_xyz (double mjd, xyz_t * pos)
 {
   double jd, t, l0, m, e, c, r;
   double n, s, ecl, ra, de;
@@ -556,7 +631,10 @@ void sunpos_xyz(double mjd,xyz_t *pos)
   r = 1.000001018 * (1.0 - e * e) / (1.0 + e * cos (m + c));
   n = modulo (125.04 - 1934.136 * t, 360.0) * D2R;
   s = l0 + c + (-0.00569 - 0.00478 * sin (n)) * D2R;
-  ecl=(23.43929111+(-46.8150*t-0.00059*t*t+0.001813*t*t*t)/3600.0+0.00256*cos(n))*D2R;
+  ecl =
+    (23.43929111 +
+     (-46.8150 * t - 0.00059 * t * t + 0.001813 * t * t * t) / 3600.0 +
+     0.00256 * cos (n)) * D2R;
 
   ra = atan2 (cos (ecl) * sin (s), cos (s));
   de = asin (sin (ecl) * sin (s));
@@ -569,7 +647,9 @@ void sunpos_xyz(double mjd,xyz_t *pos)
 }
 
 // Compute precession angles
-void precession_angles(double mjd0,double mjd,double *zeta,double *z,double *theta)
+void
+precession_angles (double mjd0, double mjd, double *zeta, double *z,
+		   double *theta)
 {
   double t0, t;
 
@@ -592,14 +672,16 @@ void precession_angles(double mjd0,double mjd,double *zeta,double *z,double *the
 }
 
 // Initialize observer and sun position and precession angles
-void initialize(struct image img)
+void
+initialize (struct image img)
 {
   int i;
   double t;
   xyz_t obsvel;
 
   // Loop over points
-  for (i=0;i<MMAX;i++) {
+  for (i = 0; i < MMAX; i++)
+    {
       // Compute time
       t = img.exptime * (float) i / (float) (MMAX - 1);
       p[i].mjd = img.mjd + t / 86400.0;
@@ -614,4 +696,3 @@ void initialize(struct image img)
 
   return;
 }
-

src/satmap.c

@@ -21,7 +21,8 @@ long Isat=0;
 long Isatsel = 0;
 extern double SGDP4_jd0;
 
-struct map {
+struct map
+{
   long satno;
   double lat, lng;
   double mjd;
@@ -32,11 +33,13 @@ struct map {
   int site_id;
   float l0, b0;
 } m;
-struct globe {
+struct globe
+{
   int n;
   float l[MMAX], b[MMAX];
 } glb;
-struct sat {
+struct sat
+{
   long Isat;
   double jd;
   double dx, dy, dz;
@@ -63,7 +66,8 @@ void sunpos_xyz(double,xyz_t *,double *,double *);
 void rotate (int axis, float angle, float *x, float *y, float *z);
 void get_site (int site_id);
 
-void plot_terminator(void)
+void
+plot_terminator (void)
 {
   int i, j, j0, k, flag;
   xyz_t sunpos;
@@ -86,8 +90,10 @@ void plot_terminator(void)
     l0 -= 360.0;
 
   // Loop over terminator boundaries
-  for (k=0;k<4;k++) {
+  for (k = 0; k < 4; k++)
-    for (i=0,j=0,flag=0;i<NMAX;i++,j++) {
+    {
+      for (i = 0, j = 0, flag = 0; i < NMAX; i++, j++)
+	{
 	  theta = 2.0 * M_PI * (float) i / (float) (NMAX - 1);
 
 	  x = XKMPER * sin (ang[k] * D2R);
@@ -107,26 +113,34 @@ void plot_terminator(void)
 	    l[j] += 360.0;
 
 	  // Passing limit left to right
-      if (l[j]*l[j-1]<0.0 && fabs(l[j])>45.0 && flag==0 && k==0) {
+	  if (l[j] * l[j - 1] < 0.0 && fabs (l[j]) > 45.0 && flag == 0
+	      && k == 0)
+	    {
 	      l[j + 4] = l[j];
 	      b[j + 4] = b[j];
 	      b[j] = b[j - 1];
 	      b[j + 3] = b[j - 1];
-	if (l[j-1]<l[j]) {
+	      if (l[j - 1] < l[j])
+		{
 		  l[j] = -180.0;
 		  l[j + 1] = -180.0;
 		  l[j + 2] = 180.0;
 		  l[j + 3] = 180.0;
-	} else {
+		}
+	      else
+		{
 		  l[j] = 180.0;
 		  l[j + 1] = 180.0;
 		  l[j + 2] = -180.0;
 		  l[j + 3] = -180.0;
 		}
-	if (b0<=0.0) {
+	      if (b0 <= 0.0)
+		{
 		  b[j + 1] = 90.0;
 		  b[j + 2] = 90.0;
-	} else {
+		}
+	      else
+		{
 		  b[j + 1] = -90.0;
 		  b[j + 2] = -90.0;
 		}
@@ -135,7 +149,8 @@ void plot_terminator(void)
 	    }
 	}
 
-    if (k==0) {
+      if (k == 0)
+	{
 	  // Set night color
 	  cpgscr (16, 0.0, 0.0, 0.2);
 
@@ -147,17 +162,24 @@ void plot_terminator(void)
 	  cpgsci (14);
 	  cpgline (NMAX + 4, l, b);
 	  cpgsci (1);
-    } else {
+	}
+      else
+	{
 	  // Plot twilight boundaries
 	  cpgsci (14);
-      for (i=0,flag=0;i<NMAX;i++) {
+	  for (i = 0, flag = 0; i < NMAX; i++)
-	if (i>0 && l[i-1]*l[i]<0.0 && fabs(l[i-1]-l[i])>10.0)
+	    {
+	      if (i > 0 && l[i - 1] * l[i] < 0.0
+		  && fabs (l[i - 1] - l[i]) > 10.0)
 		flag = 0;
 
-	if (flag==0) {
+	      if (flag == 0)
+		{
 		  cpgmove (l[i], b[i]);
 		  flag = 1;
-	} else {
+		}
+	      else
+		{
 		  cpgdraw (l[i], b[i]);
 		  cpgmove (l[i], b[i]);
 		}
@@ -173,7 +195,8 @@ void plot_terminator(void)
   return;
 }
 
-void init_plot(char *psfile,float width,float aspect)
+void
+init_plot (char *psfile, float width, float aspect)
 {
 
   cpgslw (2);
@@ -182,7 +205,8 @@ void init_plot(char *psfile,float width,float aspect)
 }
 
 // Plot observing sites
-void plot_sites(void)
+void
+plot_sites (void)
 {
   int i = 0;
   char line[LIM];
@@ -197,11 +221,13 @@ void plot_sites(void)
 
   sprintf (filename, "%s/data/sites.txt", m.datadir);
   file = fopen (filename, "r");
-  if (file==NULL) {
+  if (file == NULL)
+    {
       printf ("File with site information not found!\n");
       return;
     }
-  while (fgets(line,LIM,file)!=NULL) {
+  while (fgets (line, LIM, file) != NULL)
+    {
       // Skip
       if (strstr (line, "#") != NULL)
 	continue;
@@ -210,8 +236,7 @@ void plot_sites(void)
       line[strlen (line) - 1] = '\0';
 
       // Read data
-    sscanf(line,"%4d %2s %lf %lf %f",
+      sscanf (line, "%4d %2s %lf %lf %f", &id, abbrev, &lat, &lng, &alt);
-	   &id,abbrev,&lat,&lng,&alt);
       strcpy (observer, line + 38);
 
       sprintf (text, " %04d", id);
@@ -228,7 +253,8 @@ void plot_sites(void)
 }
 
 // Plot observing sites
-void plot_launch_sites(void)
+void
+plot_launch_sites (void)
 {
   int i = 0;
   char line[LIM];
@@ -241,11 +267,13 @@ void plot_launch_sites(void)
 
   sprintf (filename, "%s/data/launchsites.txt", m.datadir);
   file = fopen (filename, "r");
-  if (file==NULL) {
+  if (file == NULL)
+    {
       printf ("File with site information not found!\n");
       return;
     }
-  while (fgets(line,LIM,file)!=NULL) {
+  while (fgets (line, LIM, file) != NULL)
+    {
       // Skip
       if (strstr (line, "#") != NULL)
 	continue;
@@ -254,8 +282,7 @@ void plot_launch_sites(void)
       line[strlen (line) - 1] = '\0';
 
       // Read data
-    sscanf(line,"%lf %lf",
+      sscanf (line, "%lf %lf", &lat, &lng);
-	   &lat,&lng);
       strcpy (site, line + 21);
 
       cpgsci (2);
@@ -272,7 +299,8 @@ void plot_launch_sites(void)
 
 
 // Computes apparent position
-struct sat apparent_position(double mjd)
+struct sat
+apparent_position (double mjd)
 {
   struct sat s;
   double jd, rsun, rearth;
@@ -305,17 +333,21 @@ struct sat apparent_position(double mjd)
 
   // Distances
   rsun = sqrt (dx * dx + dy * dy + dz * dz);
-  rearth=sqrt(satpos.x*satpos.x+satpos.y*satpos.y+satpos.z*satpos.z);
+  rearth =
+    sqrt (satpos.x * satpos.x + satpos.y * satpos.y + satpos.z * satpos.z);
   // Angles
   s.psun = asin (696.0e3 / rsun) * R2D;
   s.pearth = asin (6378.135 / rearth) * R2D;
-  s.p=acos((-dx*satpos.x-dy*satpos.y-dz*satpos.z)/(rsun*rearth))*R2D;
+  s.p =
+    acos ((-dx * satpos.x - dy * satpos.y -
+	   dz * satpos.z) / (rsun * rearth)) * R2D;
   //  s.p=acos(((sunpos.x+satpos.x)*satpos.x+(sunpos.y+satpos.y)*satpos.y+(sunpos.z+satpos.z)*satpos.z)/(rsun*rearth))*R2D;
 
   s.p -= s.pearth;
 
   // Celestial position
-  s.r=sqrt(satpos.x*satpos.x+satpos.y*satpos.y+satpos.z*satpos.z);
+  s.r =
+    sqrt (satpos.x * satpos.x + satpos.y * satpos.y + satpos.z * satpos.z);
   s.ra = atan2 (satpos.y, satpos.x) * R2D;
   s.de = asin (satpos.z / s.r) * R2D;
 
@@ -323,7 +355,8 @@ struct sat apparent_position(double mjd)
 }
 
 // plot satellite track
-void track_plot_track(char *tlefile,long satno,double mjd0)
+void
+track_plot_track (char *tlefile, long satno, double mjd0)
 {
   int i = 0, nstep = 500;
   orbit_t orb;
@@ -342,20 +375,24 @@ void track_plot_track(char *tlefile,long satno,double mjd0)
   cpgsci (7);
 
   fp = fopen (tlefile, "rb");
-  if(fp == NULL) {
+  if (fp == NULL)
+    {
       fatal_error ("File open failed for reading \"%s\"", tlefile);
     }
 
-  while(read_twoline(fp, satno, &orb) == 0) {
+  while (read_twoline (fp, satno, &orb) == 0)
+    {
       //    print_orb(&orb);
 
       Isat = orb.satno;
       imode = init_sgdp4 (&orb);
 
-    if(imode == SGDP4_ERROR) continue;
+      if (imode == SGDP4_ERROR)
+	continue;
 
       jd = mjd0 + 2400000.5;
-    for (i=0;;i++) {
+      for (i = 0;; i++)
+	{
 	  //      if(satpos_xyz(jd, &pos, &vel) == SGDP4_ERROR) break;
 	  mjd = jd - 2400000.5;
 	  s = apparent_position (mjd);
@@ -386,7 +423,8 @@ void track_plot_track(char *tlefile,long satno,double mjd0)
 	    cpgsci (7);
 
 	  // Plot
-      if (i==0) {
+	  if (i == 0)
+	    {
 	      sprintf (norad, " %ld", Isat);
 	      cpgsch (0.6);
 	      cpgtext (l, b, norad);
@@ -418,17 +456,21 @@ void track_plot_track(char *tlefile,long satno,double mjd0)
   return;
 }
 
-void plot_map(void)
+void
+plot_map (void)
 {
   int redraw = 1;
   char text[256];
   float x, y;
   char c;
 
-  for (;;) {
+  for (;;)
-    if (redraw>0) {
+    {
+      if (redraw > 0)
+	{
 	  // Get present mjd
-      if (m.mjd<0.0) {
+	  if (m.mjd < 0.0)
+	    {
 	      nfd_now (m.nfd);
 	      m.mjd = nfd2mjd (m.nfd);
 	    }
@@ -492,40 +534,47 @@ void plot_map(void)
       cpgcurs (&x, &y, &c);
 
       // Help
-    if (c=='h') {
+      if (c == 'h')
+	{
 	  interactive_usage ();
 
 	  continue;
 	}
 
       // Redraw
-    if (c=='r') {
+      if (c == 'r')
+	{
 	  m.mjd = -1.0;
 	  m.length = 60;
 	  redraw = 1;
 	}
       // Increase/decrease time
-    if (c=='.') {
+      if (c == '.')
+	{
 	  m.mjd += m.length / 86400.0;
 	  redraw = 1;
 	}
-    if (c==',') {
+      if (c == ',')
+	{
 	  m.mjd -= m.length / 86400.0;
 	  redraw = 1;
 	}
 
       // Increase/decrease step
-    if (c=='>') {
+      if (c == '>')
+	{
 	  m.length *= 2.0;
 	  redraw = 2;
 	}
-    if (c=='<') {
+      if (c == '<')
+	{
 	  m.length /= 2.0;
 	  redraw = 2;
 	}
 
       // Exit
-    if (c=='q' || c=='Q') {
+      if (c == 'q' || c == 'Q')
+	{
 	  cpgend ();
 	  exit (0);
 	}
@@ -536,7 +585,8 @@ void plot_map(void)
 
 
 
-int main(int argc,char *argv[])
+int
+main (int argc, char *argv[])
 {
   int arg = 0;
 
@@ -544,8 +594,10 @@ int main(int argc,char *argv[])
   initialize_setup ();
 
   // Decode options
-  while ((arg=getopt(argc,argv,"t:c:i:s:l:h"))!=-1) {
+  while ((arg = getopt (argc, argv, "t:c:i:s:l:h")) != -1)
-    switch (arg) {
+    {
+      switch (arg)
+	{
 
 	case 't':
 	  strcpy (m.nfd, optarg);
@@ -595,7 +647,8 @@ int main(int argc,char *argv[])
   return 0;
 }
 
-void read_globe(void)
+void
+read_globe (void)
 {
   int i, status;
   FILE *file;
@@ -604,7 +657,8 @@ void read_globe(void)
   sprintf (filename, "%s/data/globe.dat", m.datadir);
   file = fopen (filename, "r");
 
-  for (i=0;i<MMAX;i++) {
+  for (i = 0; i < MMAX; i++)
+    {
       status = fscanf (file, "%f %f", &glb.b[i], &glb.l[i]);
     }
   fclose (file);
@@ -613,19 +667,25 @@ void read_globe(void)
   return;
 }
 
-void plot_globe(void)
+void
+plot_globe (void)
 {
   int i, flag;
 
-  for (i=0,flag=0;i<glb.n;i++) {
+  for (i = 0, flag = 0; i < glb.n; i++)
-    if (glb.b[i]==9999.0) {
+    {
+      if (glb.b[i] == 9999.0)
+	{
 	  flag = 0;
 	  continue;
 	}
-    if (flag==0) {
+      if (flag == 0)
+	{
 	  cpgmove (glb.l[i], glb.b[i]);
 	  flag = 1;
-    } else {
+	}
+      else
+	{
 	  cpgdraw (glb.l[i], glb.b[i]);
 	  cpgmove (glb.l[i], glb.b[i]);
 	}
@@ -635,7 +695,8 @@ void plot_globe(void)
 }
 
 // Initialize setup
-void initialize_setup(void)
+void
+initialize_setup (void)
 {
   char *env;
 
@@ -652,21 +713,30 @@ void initialize_setup(void)
 
   // Get environment variables
   env = getenv ("ST_DATADIR");
-  if (env!=NULL) {
+  if (env != NULL)
+    {
       strcpy (m.datadir, env);
-  } else {
+    }
+  else
+    {
       printf ("ST_DATADIR environment variable not found.\n");
     }
   env = getenv ("ST_COSPAR");
-  if (env!=NULL) {
+  if (env != NULL)
+    {
       get_site (atoi (env));
-  } else {
+    }
+  else
+    {
       printf ("ST_COSPAR environment variable not found.\n");
     }
   env = getenv ("ST_TLEDIR");
-  if (env!=NULL) {
+  if (env != NULL)
+    {
       strcpy (m.tledir, env);
-  } else {
+    }
+  else
+    {
       printf ("ST_TLEDIR environment variable not found.\n");
     }
   sprintf (m.tlefile, "%s/classfd.tle", m.tledir);
@@ -675,7 +745,8 @@ void initialize_setup(void)
 }
 
 // Present nfd
-void nfd_now(char *s)
+void
+nfd_now (char *s)
 {
   time_t rawtime;
   struct tm *ptm;
@@ -684,18 +755,22 @@ void nfd_now(char *s)
   time (&rawtime);
   ptm = gmtime (&rawtime);
 
-  sprintf(s,"%04d-%02d-%02dT%02d:%02d:%02d",ptm->tm_year+1900,ptm->tm_mon+1,ptm->tm_mday,ptm->tm_hour,ptm->tm_min,ptm->tm_sec);
+  sprintf (s, "%04d-%02d-%02dT%02d:%02d:%02d", ptm->tm_year + 1900,
+	   ptm->tm_mon + 1, ptm->tm_mday, ptm->tm_hour, ptm->tm_min,
+	   ptm->tm_sec);
 
   return;
 }
 
 // nfd2mjd
-double nfd2mjd(char *date)
+double
+nfd2mjd (char *date)
 {
   int year, month, day, hour, min, sec;
   double mjd, dday;
 
-  sscanf(date,"%04d-%02d-%02dT%02d:%02d:%02d",&year,&month,&day,&hour,&min,&sec);
+  sscanf (date, "%04d-%02d-%02dT%02d:%02d:%02d", &year, &month, &day, &hour,
+	  &min, &sec);
   dday = day + hour / 24.0 + min / 1440.0 + sec / 86400.0;
 
   mjd = date2mjd (year, month, dday);
@@ -703,13 +778,16 @@ double nfd2mjd(char *date)
   return mjd;
 }
 
-void usage()
+void
+usage ()
 {
-  printf("usage: satmap -c TLEFILE [-t TIMESTAMP] [-s COSPARID] [-i SATNO]\n");
+  printf
+    ("usage: satmap -c TLEFILE [-t TIMESTAMP] [-s COSPARID] [-i SATNO]\n");
   printf ("                [-l LENGTH] [-h]\n");
 }
 
-void interactive_usage()
+void
+interactive_usage ()
 {
   printf ("Interactive help:");
   printf ("r    Redraw\n");
@@ -725,7 +803,8 @@ void interactive_usage()
 }
 
 // Compute Date from Julian Day
-void mjd2date(double mjd,char *date,int length)
+void
+mjd2date (double mjd, char *date, int length)
 {
   double f, jd, dday;
   int z, alpha, a, b, c, d, e;
@@ -740,7 +819,8 @@ void mjd2date(double mjd,char *date,int length)
 
   if (z < 2299161)
     a = z;
-  else {
+  else
+    {
       alpha = floor ((z - 1867216.25) / 36524.25);
       a = z + 1 + alpha - floor (alpha / 4.);
     }
@@ -771,19 +851,23 @@ void mjd2date(double mjd,char *date,int length)
   sec = floor (1000.0 * sec) / 1000.0;
 
   if (length == 3)
-    sprintf(date,"%04d-%02d-%02dT%02d:%02d:%06.3f",year,month,day,hour,min,sec);
+    sprintf (date, "%04d-%02d-%02dT%02d:%02d:%06.3f", year, month, day, hour,
+	     min, sec);
   else if (length == 0)
-    sprintf(date,"%04d-%02d-%02dT%02d:%02d:%02.0f",year,month,day,hour,min,sec);
+    sprintf (date, "%04d-%02d-%02dT%02d:%02d:%02.0f", year, month, day, hour,
+	     min, sec);
   return;
 }
 
 // Compute Julian Day from Date
-double date2mjd(int year,int month,double day)
+double
+date2mjd (int year, int month, double day)
 {
   int a, b;
   double jd;
 
-  if (month<3) {
+  if (month < 3)
+    {
       year--;
       month += 12;
     }
@@ -791,17 +875,23 @@ double date2mjd(int year,int month,double day)
   a = floor (year / 100.);
   b = 2. - a + floor (a / 4.);
 
-  if (year<1582) b=0;
+  if (year < 1582)
-  if (year==1582 && month<10) b=0;
+    b = 0;
-  if (year==1582 && month==10 && day<=4) b=0;
+  if (year == 1582 && month < 10)
+    b = 0;
+  if (year == 1582 && month == 10 && day <= 4)
+    b = 0;
 
-  jd=floor(365.25*(year+4716))+floor(30.6001*(month+1))+day+b-1524.5;
+  jd =
+    floor (365.25 * (year + 4716)) + floor (30.6001 * (month + 1)) + day + b -
+    1524.5;
 
   return jd - 2400000.5;
 }
 
 // Solar position
-void sunpos_xyz(double mjd,xyz_t *pos,double *ra,double *de)
+void
+sunpos_xyz (double mjd, xyz_t * pos, double *ra, double *de)
 {
   double jd, t, l0, m, e, c, r;
   double n, s, ecl;
@@ -818,7 +908,10 @@ void sunpos_xyz(double mjd,xyz_t *pos,double *ra,double *de)
   r = 1.000001018 * (1.0 - e * e) / (1.0 + e * cos (m + c));
   n = modulo (125.04 - 1934.136 * t, 360.0) * D2R;
   s = l0 + c + (-0.00569 - 0.00478 * sin (n)) * D2R;
-  ecl=(23.43929111+(-46.8150*t-0.00059*t*t+0.001813*t*t*t)/3600.0+0.00256*cos(n))*D2R;
+  ecl =
+    (23.43929111 +
+     (-46.8150 * t - 0.00059 * t * t + 0.001813 * t * t * t) / 3600.0 +
+     0.00256 * cos (n)) * D2R;
 
   *ra = atan2 (cos (ecl) * sin (s), cos (s)) * R2D;
   *de = asin (sin (ecl) * sin (s)) * R2D;
@@ -831,19 +924,23 @@ void sunpos_xyz(double mjd,xyz_t *pos,double *ra,double *de)
 }
 
 // Greenwich Mean Sidereal Time
-double gmst(double mjd)
+double
+gmst (double mjd)
 {
   double t, gmst;
 
   t = (mjd - 51544.5) / 36525.0;
 
-  gmst=modulo(280.46061837+360.98564736629*(mjd-51544.5)+t*t*(0.000387933-t/38710000),360.0);
+  gmst =
+    modulo (280.46061837 + 360.98564736629 * (mjd - 51544.5) +
+	    t * t * (0.000387933 - t / 38710000), 360.0);
 
   return gmst;
 }
 
 // Greenwich Mean Sidereal Time
-double dgmst(double mjd)
+double
+dgmst (double mjd)
 {
   double t, dgmst;
 
@@ -855,16 +952,19 @@ double dgmst(double mjd)
 }
 
 // Return x modulo y [0,y)
-double modulo(double x,double y)
+double
+modulo (double x, double y)
 {
   x = fmod (x, y);
-  if (x<0.0) x+=y;
+  if (x < 0.0)
+    x += y;
 
   return x;
 }
 
 // rotate vector
-void rotate(int axis,float angle,float *x,float *y,float *z)
+void
+rotate (int axis, float angle, float *x, float *y, float *z)
 {
   float xx, yy, zz;
   float ca, sa;
@@ -872,17 +972,20 @@ void rotate(int axis,float angle,float *x,float *y,float *z)
   ca = cos (angle * D2R);
   sa = sin (angle * D2R);
 
-  if (axis==0) {
+  if (axis == 0)
+    {
       xx = *x;
       yy = *y * ca - *z * sa;
       zz = *z * ca + *y * sa;
     }
-  if (axis==1) {
+  if (axis == 1)
+    {
       xx = *x * ca - *z * sa;
       yy = *y;
       zz = *z * ca + *x * sa;
     }
-  if (axis==2) {
+  if (axis == 2)
+    {
       xx = *x * ca - *y * sa;
       yy = *y * ca + *x * sa;
       zz = *z;
@@ -896,7 +999,8 @@ void rotate(int axis,float angle,float *x,float *y,float *z)
 }
 
 // Get observing site
-void get_site(int site_id)
+void
+get_site (int site_id)
 {
   int i = 0;
   char line[LIM];
@@ -909,11 +1013,13 @@ void get_site(int site_id)
 
   sprintf (filename, "%s/data/sites.txt", m.datadir);
   file = fopen (filename, "r");
-  if (file==NULL) {
+  if (file == NULL)
+    {
       printf ("File with site information not found!\n");
       return;
     }
-  while (fgets(line,LIM,file)!=NULL) {
+  while (fgets (line, LIM, file) != NULL)
+    {
       // Skip
       if (strstr (line, "#") != NULL)
 	continue;
@@ -922,14 +1028,14 @@ void get_site(int site_id)
       line[strlen (line) - 1] = '\0';
 
       // Read data
-    sscanf(line,"%4d %2s %lf %lf %f",
+      sscanf (line, "%4d %2s %lf %lf %f", &id, abbrev, &lat, &lng, &alt);
-	   &id,abbrev,&lat,&lng,&alt);
       strcpy (observer, line + 38);
 
       // Change to km
       alt /= 1000.0;
 
-    if (id==site_id) {
+      if (id == site_id)
+	{
 	  m.lat = lat;
 	  m.lng = lng;
 	  m.alt = alt;

src/satutl.c

@@ -15,7 +15,8 @@ static double d_read(char *str, int start, int stop);
     Read a string from key board, remove CR/LF etc.
     ==================================================================== */
 
-void read_kb(char *buf)
+void
+read_kb (char *buf)
 {
   int ii;
 
@@ -38,7 +39,8 @@ int ii;
    next elements of whatever sort.
    ==================================================================== */
 
-int read_twoline(FILE *fp, long search_satno, orbit_t *orb)
+int
+read_twoline (FILE * fp, long search_satno, orbit_t * orb)
 {
   static char search[ST_SIZE];
   static char line1[ST_SIZE];
@@ -53,42 +55,54 @@ int read_twoline(FILE *fp, long search_satno, orbit_t *orb)
   st1 = line1;
   st2 = line2;
 
-  do {
+  do
+    {
       if (fgets (line1, ST_SIZE - 1, fp) == NULL)
 	return -1;
       st1 = st_start (line1);
-  } while(st1[0] != '1');
+    }
+  while (st1[0] != '1');
 
-  if(search_satno > 0) {
+  if (search_satno > 0)
+    {
       found = 0;
-  } else {
+    }
+  else
+    {
       found = 1;
       search_satno = atol (st1 + 2);
     }
   sprintf (search, "1 %05ld", search_satno);
 
-  do {
+  do
+    {
       st1 = st_start (line1);
-    if(strncmp(st1, search, 7) == 0) {
+      if (strncmp (st1, search, 7) == 0)
+	{
 	  found = 1;
 	  break;
 	}
-  } while(fgets(line1, ST_SIZE-1, fp) != NULL);
+    }
+  while (fgets (line1, ST_SIZE - 1, fp) != NULL);
 
   sprintf (search, "2 %05ld", search_satno);
 
-  if(found) {
+  if (found)
+    {
       fgets (line2, ST_SIZE - 1, fp);
       st2 = st_start (line2);
     }
 
-  if(!found || strncmp(st2, search, 7) != 0) {
+  if (!found || strncmp (st2, search, 7) != 0)
+    {
       return -1;
     }
   orb->ep_year = (int) i_read (st1, 19, 20);
 
-  if(orb->ep_year < 57) orb->ep_year += 2000;
+  if (orb->ep_year < 57)
-  else orb->ep_year += 1900;
+    orb->ep_year += 2000;
+  else
+    orb->ep_year += 1900;
 
   orb->ep_day = d_read (st1, 21, 32);
 
@@ -121,11 +135,14 @@ int read_twoline(FILE *fp, long search_satno, orbit_t *orb)
    Locate the first non-white space character, return location.
    ================================================================== */
 
-static char *st_start(char *buf)
+static char *
+st_start (char *buf)
 {
-    if(buf == NULL) return buf;
+  if (buf == NULL)
+    return buf;
 
-    while(*buf != '\0' && isspace(*buf)) buf++;
+  while (*buf != '\0' && isspace (*buf))
+    buf++;
 
   return buf;
 }
@@ -135,7 +152,8 @@ return buf;
    characters to buffer then convert.
    ================================================================== */
 
-static long i_read(char *str, int start, int stop)
+static long
+i_read (char *str, int start, int stop)
 {
   long itmp = 0;
   char *buf, *tmp;
@@ -163,7 +181,8 @@ return itmp;
    characters to buffer then convert.
    ================================================================== */
 
-static double d_read(char *str, int start, int stop)
+static double
+d_read (char *str, int start, int stop)
 {
   double dtmp = 0;
   char *buf, *tmp;
@@ -190,7 +209,8 @@ return dtmp;
    Allocate and check an all-zero array of memory (storage vector).
    ================================================================== */
 
-void *vector(size_t num, size_t size)
+void *
+vector (size_t num, size_t size)
 {
   void *ptr;
 
@@ -207,7 +227,8 @@ return ptr;
    Print out orbital parameters.
    ================================================================== */
 
-void print_orb(orbit_t *orb)
+void
+print_orb (orbit_t * orb)
 {
   printf ("# Satellite ID = %ld\n", (long) orb->satno);
   printf ("# Satellite designation = %s\n", orb->desig);
@@ -216,7 +237,8 @@ void print_orb(orbit_t *orb)
   printf ("# Equatorial inclination = %.4f deg\n", DEG (orb->eqinc));
   printf ("# Argument of perigee = %.4f deg\n", DEG (orb->argp));
   printf ("# Mean anomaly = %.4f deg\n", DEG (orb->mnan));
-  printf("# Right Ascension of Ascending Node = %.4f deg\n", DEG(orb->ascn));
+  printf ("# Right Ascension of Ascending Node = %.4f deg\n",
+	  DEG (orb->ascn));
   printf ("# Mean Motion (number of rev/day) = %.8f\n", orb->rev);
   printf ("# First derivative of mean motion = %e\n", orb->ndot2);
   printf ("# Second derivative of mean motion = %e\n", orb->nddot6);

src/satutl.h

@@ -8,7 +8,8 @@
 #define ST_SIZE 256
 
 #ifdef __cplusplus
-extern "C" {
+extern "C"
+{
 #endif
 
 /** satutl.c **/

src/sgdp4.c

@@ -63,7 +63,8 @@
  *
  */
 
-static const char SCCSid[] = "@(#)sgdp4.c       3.04 (C) 1995 psc SatLib: Orbital Model";
+static const char SCCSid[] =
+  "@(#)sgdp4.c       3.04 (C) 1995 psc SatLib: Orbital Model";
 
 #include <math.h>
 #include <stdio.h>
@@ -163,7 +164,8 @@ int Set_LS_zero = 0;	/* Set to 1 to zero Lunar-Solar terms at epoch. */
    The return value indicates the orbital model used.
    ======================================================================= */
 
-sgdp4_mode_t init_sgdp4(orbit_t *orb)
+sgdp4_mode_t
+init_sgdp4 (orbit_t * orb)
 {
   LOCAL_REAL theta2, theta4, xhdot1, x1m5th;
   LOCAL_REAL s4, del1, del0;
@@ -218,21 +220,25 @@ long iday, iyear;
 
   if (eo < (real) 0.0 || eo > ECC_LIMIT_HIGH)
     {
-        fatal_error("init_sgdp4: Eccentricity out of range for %ld (%le)", Isat, (double)eo);
+      fatal_error ("init_sgdp4: Eccentricity out of range for %ld (%le)",
+		   Isat, (double) eo);
       imode = SGDP4_ERROR;
       return imode;
     }
 
   if (xno < 0.035 * TWOPI / XMNPDA || xno > 18.0 * TWOPI / XMNPDA)
     {
-        fatal_error("init_sgdp4: Mean motion out of range %ld (%le)", Isat, xno);
+      fatal_error ("init_sgdp4: Mean motion out of range %ld (%le)", Isat,
+		   xno);
       imode = SGDP4_ERROR;
       return imode;
     }
 
   if (xincl < (real) 0.0 || xincl > (real) PI)
     {
-        fatal_error("init_sgdp4: Equatorial inclination out of range %ld (%le)", Isat, DEG(xincl));
+      fatal_error
+	("init_sgdp4: Equatorial inclination out of range %ld (%le)", Isat,
+	 DEG (xincl));
       imode = SGDP4_ERROR;
       return imode;
     }
@@ -276,10 +282,13 @@ long iday, iyear;
    */
   if (perigee <= 0.0)
     {
-		fprintf(stderr, "# Satellite %ld sub-orbital (apogee = %.1f km, perigee = %.1f km)\n", Isat, apogee, perigee);
+      fprintf (stderr,
+	       "# Satellite %ld sub-orbital (apogee = %.1f km, perigee = %.1f km)\n",
+	       Isat, apogee, perigee);
     }
 
-    if (imode == SGDP4_ZERO_ECC) return imode;
+  if (imode == SGDP4_ZERO_ECC)
+    return imode;
 
   if (period >= 225.0 && Set_LS_zero < 2)
     {
@@ -308,12 +317,16 @@ long iday, iyear;
 
       if (s4 < (real) 20.0)
 	{
-			fprintf(stderr, "# Very low s4 constant for sat %ld (perigee = %.2f)\n", Isat, perigee);
+	  fprintf (stderr,
+		   "# Very low s4 constant for sat %ld (perigee = %.2f)\n",
+		   Isat, perigee);
 	  s4 = (real) 20.0;
 	}
       else
 	{
-			fprintf(stderr, "# Changing s4 constant for sat %ld (perigee = %.2f)\n", Isat, perigee);
+	  fprintf (stderr,
+		   "# Changing s4 constant for sat %ld (perigee = %.2f)\n",
+		   Isat, perigee);
 	}
 
       qoms24 = POW4 ((real) ((120.0 - s4) * (AE / XKMPER)));
@@ -335,18 +348,42 @@ long iday, iyear;
   coef1 = coef / POW (psisq, 3.5);
 
   c2 = coef1 * (real) xnodp *(aodp *
-         ((real)1.0 + (real)1.5 * etasq + eeta * ((real)4.0 + etasq)) +
+			      ((real) 1.0 + (real) 1.5 * etasq +
+			       eeta * ((real) 4.0 + etasq)) +
 			      (real) (0.75 * CK2) * tsi / psisq * x3thm1 *
-         ((real)8.0 + (real)3.0 * etasq * ((real)8.0 + etasq)));
+			      ((real) 8.0 +
+			       (real) 3.0 * etasq * ((real) 8.0 + etasq)));
 
   c1 = bstar * c2;
 
   c4 = (real) 2.0 *(real) xnodp *coef1 * aodp * betao2 * (eta *
-         ((real)2.0 + (real)0.5 * etasq) + eo * ((real)0.5 + (real)2.0 *
+							  ((real) 2.0 +
-         etasq) - (real)(2.0 * CK2) * tsi / (aodp * psisq) * ((real)-3.0 *
+							   (real) 0.5 *
-         x3thm1 * ((real)1.0 - (real)2.0 * eeta + etasq *
+							   etasq) +
-         ((real)1.5 - (real)0.5 * eeta)) + (real)0.75 * x1mth2 * ((real)2.0 *
+							  eo * ((real) 0.5 +
-         etasq - eeta * ((real)1.0 + etasq)) * COS((real)2.0 * omegao)));
+								(real) 2.0 *
+								etasq) -
+							  (real) (2.0 * CK2) *
+							  tsi / (aodp *
+								 psisq) *
+							  ((real) -
+							   3.0 * x3thm1 *
+							   ((real) 1.0 -
+							    (real) 2.0 *
+							    eeta +
+							    etasq *
+							    ((real) 1.5 -
+							     (real) 0.5 *
+							     eeta)) +
+							   (real) 0.75 *
+							   x1mth2 *
+							   ((real) 2.0 *
+							    etasq -
+							    eeta *
+							    ((real) 1.0 +
+							     etasq)) *
+							   COS ((real) 2.0 *
+								omegao)));
 
   c5 = c3 = omgcof = (real) 0.0;
 
@@ -379,8 +416,10 @@ long iday, iyear;
     temp3 * ((real) 3.0 - (real) 36.0 * theta2 + (real) 49.0 * theta4);
 
   xhdot1 = -temp1 * cosIO;
-    xnodot = xhdot1 + ((real)0.5 * temp2 * ((real)4.0 - (real)19.0 * theta2) +
+  xnodot =
-             (real)2.0 * temp3 * ((real)3.0 - (real)7.0 * theta2)) * cosIO;
+    xhdot1 + ((real) 0.5 * temp2 * ((real) 4.0 - (real) 19.0 * theta2) +
+	      (real) 2.0 * temp3 * ((real) 3.0 -
+				    (real) 7.0 * theta2)) * cosIO;
 
   xmcof = (real) 0.0;
   if (eo > ECC_ALL)
@@ -394,7 +433,8 @@ long iday, iyear;
   /* Check for possible divide-by-zero for X/(1+cosIO) when calculating xlcof */
   temp0 = (real) 1.0 + cosIO;
 
-	if(fabs(temp0) < EPS_COSIO) temp0 = (real)SIGN(EPS_COSIO, temp0);
+  if (fabs (temp0) < EPS_COSIO)
+    temp0 = (real) SIGN (EPS_COSIO, temp0);
 
   xlcof = (real) 0.125 *a3ovk2 * sinIO *
     ((real) 3.0 + (real) 5.0 * cosIO) / temp0;
@@ -416,8 +456,8 @@ long iday, iyear;
       t4cof = (real) 0.25 *((real) 3.0 * d3 + c1 * ((real) 12.0 * d2 +
 						    (real) 10.0 * c1sq));
       t5cof = (real) 0.2 *((real) 3.0 * d4 + (real) 12.0 * c1 * d3 +
-                (real)6.0 * d2 * d2 + (real)15.0 * c1sq * ((real)2.0 *
+			   (real) 6.0 * d2 * d2 +
-                d2 + c1sq));
+			   (real) 15.0 * c1sq * ((real) 2.0 * d2 + c1sq));
     }
   else if (imode == SGDP4_DEEP_NORM)
     {
@@ -455,7 +495,8 @@ return imode;
 
    ======================================================================= */
 
-sgdp4_mode_t sgdp4(double tsince, int withvel, kep_t *kep)
+sgdp4_mode_t
+sgdp4 (double tsince, int withvel, kep_t * kep)
 {
   LOCAL_REAL rk, uk, xnodek, xinck, em, xinc;
   LOCAL_REAL xnode, delm, axn, ayn, omega;
@@ -572,7 +613,8 @@ real ts = (real)tsince;
 	/* Check for possible divide-by-zero for X/(1+cosIO) when calculating xlcof */
 	temp0 = (real) 1.0 + cosIO;
 
-			if(fabs(temp0) < EPS_COSIO) temp0 = (real)SIGN(EPS_COSIO, temp0);
+	if (fabs (temp0) < EPS_COSIO)
+	  temp0 = (real) SIGN (EPS_COSIO, temp0);
 
 	xlcof = (real) 0.125 *a3ovk2 * sinIO *
 	  ((real) 3.0 + (real) 5.0 * cosIO) / temp0;
@@ -590,13 +632,17 @@ real ts = (real)tsince;
 
   if (a < (real) 1.0)
     {
-		fprintf(stderr, "sgdp4: Satellite %05ld crashed at %.3f (a = %.3f Earth radii)\n", Isat, ts, a);
+      fprintf (stderr,
+	       "sgdp4: Satellite %05ld crashed at %.3f (a = %.3f Earth radii)\n",
+	       Isat, ts, a);
       return SGDP4_ERROR;
     }
 
   if (e < ECC_LIMIT_LOW)
     {
-		fprintf(stderr, "sgdp4: Satellite %05ld modified eccentricity too low (ts = %.3f, e = %e < %e)\n", Isat, ts, e, ECC_LIMIT_LOW);
+      fprintf (stderr,
+	       "sgdp4: Satellite %05ld modified eccentricity too low (ts = %.3f, e = %e < %e)\n",
+	       Isat, ts, e, ECC_LIMIT_LOW);
       return SGDP4_ERROR;
     }
 
@@ -624,7 +670,9 @@ real ts = (real)tsince;
   elsq = axn * axn + ayn * ayn;
   if (elsq >= (real) 1.0)
     {
-		fprintf(stderr, "sgdp4: SQR(e) >= 1 (%.3f at tsince = %.3f for sat %05ld)\n", elsq, tsince, Isat);
+      fprintf (stderr,
+	       "sgdp4: SQR(e) >= 1 (%.3f at tsince = %.3f for sat %05ld)\n",
+	       elsq, tsince, Isat);
       return SGDP4_ERROR;
     }
 
@@ -654,7 +702,8 @@ real ts = (real)tsince;
       esinE = axn * sinEPW - ayn * cosEPW;
 
       f = capu - epw + esinE;
-		if (fabs(f) < NR_EPS) break;
+      if (fabs (f) < NR_EPS)
+	break;
 
       df = (real) 1.0 - ecosE;
 
@@ -692,7 +741,9 @@ real ts = (real)tsince;
 
   /* Update for short term periodics to position terms. */
 
-	rk = r * ((real)1.0 - (real)1.5 * temp2 * betal * x3thm1) + (real)0.5 * temp1 * x1mth2 * cos2u;
+  rk =
+    r * ((real) 1.0 - (real) 1.5 * temp2 * betal * x3thm1) +
+    (real) 0.5 *temp1 * x1mth2 * cos2u;
   uk = u - (real) 0.25 *temp2 * x7thm1 * sin2u;
   xnodek = xnode + (real) 1.5 *temp2 * cosIO * sin2u;
   xinck = xinc + (real) 1.5 *temp2 * cosIO * sinIO * cos2u;
@@ -700,7 +751,9 @@ real ts = (real)tsince;
   if (rk < (real) 1.0)
     {
 #if 1
-		fprintf(stderr, "sgdp4: Satellite %05ld crashed at %.3f (rk = %.3f Earth radii)\n", Isat, ts, rk);
+      fprintf (stderr,
+	       "sgdp4: Satellite %05ld crashed at %.3f (rk = %.3f Earth radii)\n",
+	       Isat, ts, rk);
 #endif
       return SGDP4_ERROR;
     }
@@ -719,9 +772,7 @@ real ts = (real)tsince;
       temp0 = SQRT (a);
       temp2 = (real) XKE / (a * temp0);
 
-		kep->rdotk = ((real)XKE * temp0 * esinE * invR -
+      kep->rdotk = ((real) XKE * temp0 * esinE * invR - temp2 * temp1 * x1mth2 * sin2u) * (XKMPER / AE * XMNPDA / 86400.0);	/* Into km/sec */
-					temp2 * temp1 * x1mth2 * sin2u) *
-					(XKMPER/AE*XMNPDA/86400.0); /* Into km/sec */
 
       kep->rfdotk = ((real) XKE * SQRT (pl) * invR + temp2 * temp1 *
 		     (x1mth2 * cos2u + (real) 1.5 * x3thm1)) *
@@ -752,7 +803,8 @@ return imode;
 
    ==================================================================== */
 
-void kep2xyz(kep_t *K, xyz_t *pos, xyz_t *vel)
+void
+kep2xyz (kep_t * K, xyz_t * pos, xyz_t * vel)
 {
   real xmx, xmy;
   real ux, uy, uz, vx, vy, vz;
@@ -806,7 +858,8 @@ real sinT, cosT, sinI, cosI, sinS, cosS;
 
    ====================================================================== */
 
-sgdp4_mode_t satpos_xyz(double jd, xyz_t *pos, xyz_t *vel)
+sgdp4_mode_t
+satpos_xyz (double jd, xyz_t * pos, xyz_t * vel)
 {
   kep_t K;
   int withvel;

src/sgdp4h.h

@@ -133,31 +133,142 @@ void sincos(double x, double *s, double *c); /* declared where? */
  * All other compilers can have static inline functions.
  * (SQR is used badly here: do_cal.c, glat2lat.c, satpos.c, vmath.h).
  */
-static INLINE int       NINT(double  a) { return (int)(a > 0 ? a+0.5 : a-0.5); }
+static INLINE int
-static INLINE long      NLONG(double a) { return (long)(a > 0 ? a+0.5 : a-0.5); }
+NINT (double a)
+{
+  return (int) (a > 0 ? a + 0.5 : a - 0.5);
+}
 
-static INLINE double    DSQR(double a) { return(a*a); }
+static INLINE long
-static INLINE float     FSQR(float a)  { return(a*a); }
+NLONG (double a)
-static INLINE int       ISQR(int   a)  { return(a*a); }
+{
+  return (long) (a > 0 ? a + 0.5 : a - 0.5);
+}
 
-static INLINE double    DCUBE(double a) { return(a*a*a); }
+static INLINE double
-static INLINE float     FCUBE(float a)  { return(a*a*a); }
+DSQR (double a)
-static INLINE int       ICUBE(int   a)  { return(a*a*a); }
+{
+  return (a * a);
+}
 
-static INLINE double    DPOW4(double a) { a*=a; return(a*a); }
+static INLINE float
-static INLINE float     FPOW4(float a)  { a*=a; return(a*a); }
+FSQR (float a)
-static INLINE int       IPOW4(int   a)  { a*=a; return(a*a); }
+{
+  return (a * a);
+}
 
-static INLINE double    DMAX(double a,double b) { if (a>b) return  a; else return b; }
+static INLINE int
-static INLINE float     FMAX(float a, float b)  { if (a>b) return  a; else return b; }
+ISQR (int a)
-static INLINE int       IMAX(int   a, int   b)  { if (a>b) return  a; else return b; }
+{
+  return (a * a);
+}
 
-static INLINE double    DMIN(double a,double b) { if (a<b) return  a; else return b; }
+static INLINE double
-static INLINE float     FMIN(float a, float b)  { if (a<b) return  a; else return b; }
+DCUBE (double a)
-static INLINE int       IMIN(int   a, int   b)  { if (a<b) return  a; else return b; }
+{
+  return (a * a * a);
+}
 
-static INLINE double    MOD2PI(double a) { a=fmod(a, TWOPI); return a < 0.0 ? a+TWOPI : a; }
+static INLINE float
-static INLINE double    MOD360(double a) { a=fmod(a, 360.0); return a < 0.0 ? a+360.0 : a; }
+FCUBE (float a)
+{
+  return (a * a * a);
+}
+
+static INLINE int
+ICUBE (int a)
+{
+  return (a * a * a);
+}
+
+static INLINE double
+DPOW4 (double a)
+{
+  a *= a;
+  return (a * a);
+}
+
+static INLINE float
+FPOW4 (float a)
+{
+  a *= a;
+  return (a * a);
+}
+
+static INLINE int
+IPOW4 (int a)
+{
+  a *= a;
+  return (a * a);
+}
+
+static INLINE double
+DMAX (double a, double b)
+{
+  if (a > b)
+    return a;
+  else
+    return b;
+}
+
+static INLINE float
+FMAX (float a, float b)
+{
+  if (a > b)
+    return a;
+  else
+    return b;
+}
+
+static INLINE int
+IMAX (int a, int b)
+{
+  if (a > b)
+    return a;
+  else
+    return b;
+}
+
+static INLINE double
+DMIN (double a, double b)
+{
+  if (a < b)
+    return a;
+  else
+    return b;
+}
+
+static INLINE float
+FMIN (float a, float b)
+{
+  if (a < b)
+    return a;
+  else
+    return b;
+}
+
+static INLINE int
+IMIN (int a, int b)
+{
+  if (a < b)
+    return a;
+  else
+    return b;
+}
+
+static INLINE double
+MOD2PI (double a)
+{
+  a = fmod (a, TWOPI);
+  return a < 0.0 ? a + TWOPI : a;
+}
+
+static INLINE double
+MOD360 (double a)
+{
+  a = fmod (a, 360.0);
+  return a < 0.0 ? a + 360.0 : a;
+}
 
 /*
  * Unless you have higher than default optimisation the Sun compiler
@@ -336,7 +447,8 @@ void sincosf(float, float *, float *);
 
 /* SGDP4 function return values. */
 
-typedef enum {
+typedef enum
+{
   SGDP4_ERROR = (-1),
   SGDP4_NOT_INIT = 0,
   SGDP4_ZERO_ECC = 1,
@@ -352,14 +464,16 @@ typedef enum {
 /* ======================= Function prototypes ====================== */
 
 #ifdef __cplusplus
-extern "C" {
+extern "C"
+{
 #endif
 
 /** deep.c **/
 
   sgdp4_mode_t SGDP4_dpinit (double epoch, real omegao, real xnodeo, real xmo,
-                 real orb_eo, real orb_xincl, real aodp, double xlldot,
+			     real orb_eo, real orb_xincl, real aodp,
-                 real omgdot, real xnodot, double xnodp);
+			     double xlldot, real omgdot, real xnodot,
+			     double xnodp);
 
   int SGDP4_dpsec (double *xll, real * omgasm, real * xnodes, real * em,
 		   real * xinc, double *xn, double tsince);

src/simplex.c

@@ -2,7 +2,8 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-double **simplex(int n,double *a,double *da)
+double **
+simplex (int n, double *a, double *da)
 {
   int i, j;
   double **p;
@@ -15,14 +16,18 @@ double **simplex(int n,double *a,double *da)
     p[i] = (double *) malloc (sizeof (double) * (n + 1) * n);
 
   // Fill simplex
-  for (i=0;i<=n;i++) {
+  for (i = 0; i <= n; i++)
-    for (j=0;j<n;j++) {
+    {
-      if (i<j) p[i][j]=a[j];
+      for (j = 0; j < n; j++)
-      if (i==j) p[i][j]=a[j]+da[j];
+	{
-      if (i>j) p[i][j]=a[j]-da[j];
+	  if (i < j)
+	    p[i][j] = a[j];
+	  if (i == j)
+	    p[i][j] = a[j] + da[j];
+	  if (i > j)
+	    p[i][j] = a[j] - da[j];
 	}
     }
 
   return p;
 }
-

src/slewto.c

@@ -20,7 +20,8 @@
 #define PORT 7624
 #define IP "127.0.0.1"
 
-struct map {
+struct map
+{
   double alpha0, delta0, ra0, de0, azi0, alt0, q;
   char orientation[LIM];
   char nfd[LIM];
@@ -31,14 +32,16 @@ struct map {
   int site_id;
 } m;
 
-void usage(void)
+void
+usage (void)
 {
 
   return;
 }
 
 // Compute Date from Julian Day
-void mjd2nfd(double mjd,char *nfd)
+void
+mjd2nfd (double mjd, char *nfd)
 {
   double f, jd, dday;
   int z, alpha, a, b, c, d, e;
@@ -53,7 +56,8 @@ void mjd2nfd(double mjd,char *nfd)
 
   if (z < 2299161)
     a = z;
-  else {
+  else
+    {
       alpha = floor ((z - 1867216.25) / 36524.25);
       a = z + 1 + alpha - floor (alpha / 4.);
     }
@@ -83,13 +87,15 @@ void mjd2nfd(double mjd,char *nfd)
   hour = x;
   sec = floor (1000.0 * sec) / 1000.0;
 
-  sprintf(nfd,"%04d-%02d-%02dT%02d:%02d:%06.3f",year,month,day,hour,min,sec);
+  sprintf (nfd, "%04d-%02d-%02dT%02d:%02d:%06.3f", year, month, day, hour,
+	   min, sec);
 
   return;
 }
 
 // Send new position to telescope
-void send_position(char *sra,char *sde)
+void
+send_position (char *sra, char *sde)
 {
   int skt;
   struct hostent *he;
@@ -102,7 +108,9 @@ void send_position(char *sra,char *sde)
   //  sprintf(packet,"<newNumberVector device='Celestron GPS' name='EQUATORIAL_EOD_COORD_REQUEST'><oneNumber name='RA'>%s</oneNumber><oneNumber name='DEC'>%s</oneNumber></newNumberVector>",sra,sde);
 
   // New packet style (as of 2013-08-20)
-  sprintf(packet,"<newNumberVector device='iEQ' name='EQUATORIAL_EOD_COORD'><oneNumber name='RA'>%s</oneNumber><oneNumber name='DEC'>%s</oneNumber></newNumberVector>",sra,sde);
+  sprintf (packet,
+	   "<newNumberVector device='iEQ' name='EQUATORIAL_EOD_COORD'><oneNumber name='RA'>%s</oneNumber><oneNumber name='DEC'>%s</oneNumber></newNumberVector>",
+	   sra, sde);
 
   // Send TCP packet
   skt = socket (AF_INET, SOCK_STREAM, 0);
@@ -110,7 +118,8 @@ void send_position(char *sra,char *sde)
   addr.sin_port = htons (PORT);
   he = gethostbyname (IP);
   bcopy (he->h_addr, (struct in_addr *) &addr.sin_addr, he->h_length);
-  if(connect(skt,(struct sockaddr *) &addr,sizeof(addr))<0) {
+  if (connect (skt, (struct sockaddr *) &addr, sizeof (addr)) < 0)
+    {
       fprintf (stderr, "Connection refused by remote host.\n");
       return;
     }
@@ -135,7 +144,8 @@ void send_position(char *sra,char *sde)
 }
 
 // Get observing site
-void get_site(int site_id)
+void
+get_site (int site_id)
 {
   int i = 0;
   char line[LIM];
@@ -147,11 +157,13 @@ void get_site(int site_id)
 
   sprintf (filename, "%s/data/sites.txt", m.datadir);
   file = fopen (filename, "r");
-  if (file==NULL) {
+  if (file == NULL)
+    {
       printf ("File with site information not found!\n");
       return;
     }
-  while (fgets(line,LIM,file)!=NULL) {
+  while (fgets (line, LIM, file) != NULL)
+    {
       // Skip
       if (strstr (line, "#") != NULL)
 	continue;
@@ -160,14 +172,14 @@ void get_site(int site_id)
       line[strlen (line) - 1] = '\0';
 
       // Read data
-    sscanf(line,"%4d %2s %lf %lf %f",
+      sscanf (line, "%4d %2s %lf %lf %f", &id, abbrev, &lat, &lng, &alt);
-	   &id,abbrev,&lat,&lng,&alt);
       strcpy (observer, line + 38);
 
       // Change to km
       alt /= 1000.0;
 
-    if (id==site_id) {
+      if (id == site_id)
+	{
 	  m.lat = lat;
 	  m.lng = lng;
 	  m.alt = alt;
@@ -181,7 +193,8 @@ void get_site(int site_id)
   return;
 }
 
-void initialize(void)
+void
+initialize (void)
 {
   int i;
   char *env;
@@ -199,15 +212,21 @@ void initialize(void)
 
   // Get environment variables
   env = getenv ("ST_DATADIR");
-  if (env!=NULL) {
+  if (env != NULL)
+    {
       strcpy (m.datadir, env);
-  } else {
+    }
+  else
+    {
       printf ("ST_DATADIR environment variable not found.\n");
     }
   env = getenv ("ST_COSPAR");
-  if (env!=NULL) {
+  if (env != NULL)
+    {
       get_site (atoi (env));
-  } else {
+    }
+  else
+    {
       printf ("ST_COSPAR environment variable not found.\n");
     }
 
@@ -216,29 +235,35 @@ void initialize(void)
 
 
 // Return x modulo y [0,y)
-double modulo(double x,double y)
+double
+modulo (double x, double y)
 {
   x = fmod (x, y);
-  if (x<0.0) x+=y;
+  if (x < 0.0)
+    x += y;
 
   return x;
 }
 
 // Greenwich Mean Sidereal Time
-double gmst(double mjd)
+double
+gmst (double mjd)
 {
   double t, gmst;
 
   t = (mjd - 51544.5) / 36525.0;
 
-  gmst=modulo(280.46061837+360.98564736629*(mjd-51544.5)+t*t*(0.000387933-t/38710000),360.0);
+  gmst =
+    modulo (280.46061837 + 360.98564736629 * (mjd - 51544.5) +
+	    t * t * (0.000387933 - t / 38710000), 360.0);
 
   return gmst;
 }
 
 
 // Convert Sexagesimal into Decimal
-double s2dec(char *s)
+double
+s2dec (char *s)
 {
   double x;
   float deg, min, sec;
@@ -251,18 +276,21 @@ double s2dec(char *s)
   sec = fabs (atof (strtok (NULL, " :")));
 
   x = (double) deg + (double) min / 60. + (double) sec / 3600.;
-  if (s[0]=='-') x= -x;
+  if (s[0] == '-')
+    x = -x;
 
   return x;
 }
 
 // Compute Julian Day from Date
-double date2mjd(int year,int month,double day)
+double
+date2mjd (int year, int month, double day)
 {
   int a, b;
   double jd;
 
-  if (month<3) {
+  if (month < 3)
+    {
       year--;
       month += 12;
     }
@@ -270,17 +298,23 @@ double date2mjd(int year,int month,double day)
   a = floor (year / 100.);
   b = 2. - a + floor (a / 4.);
 
-  if (year<1582) b=0;
+  if (year < 1582)
-  if (year==1582 && month<10) b=0;
+    b = 0;
-  if (year==1582 && month==10 && day<=4) b=0;
+  if (year == 1582 && month < 10)
+    b = 0;
+  if (year == 1582 && month == 10 && day <= 4)
+    b = 0;
 
-  jd=floor(365.25*(year+4716))+floor(30.6001*(month+1))+day+b-1524.5;
+  jd =
+    floor (365.25 * (year + 4716)) + floor (30.6001 * (month + 1)) + day + b -
+    1524.5;
 
   return jd - 2400000.5;
 }
 
 // Present nfd
-void nfd_now(char *s)
+void
+nfd_now (char *s)
 {
   time_t rawtime;
   struct tm *ptm;
@@ -289,18 +323,22 @@ void nfd_now(char *s)
   time (&rawtime);
   ptm = gmtime (&rawtime);
 
-  sprintf(s,"%04d-%02d-%02dT%02d:%02d:%02d",ptm->tm_year+1900,ptm->tm_mon+1,ptm->tm_mday,ptm->tm_hour,ptm->tm_min,ptm->tm_sec);
+  sprintf (s, "%04d-%02d-%02dT%02d:%02d:%02d", ptm->tm_year + 1900,
+	   ptm->tm_mon + 1, ptm->tm_mday, ptm->tm_hour, ptm->tm_min,
+	   ptm->tm_sec);
 
   return;
 }
 
 // nfd2mjd
-double nfd2mjd(char *date)
+double
+nfd2mjd (char *date)
 {
   int year, month, day, hour, min, sec;
   double mjd, dday;
 
-  sscanf(date,"%04d-%02d-%02dT%02d:%02d:%02d",&year,&month,&day,&hour,&min,&sec);
+  sscanf (date, "%04d-%02d-%02dT%02d:%02d:%02d", &year, &month, &day, &hour,
+	  &min, &sec);
   dday = day + hour / 24.0 + min / 1440.0 + sec / 86400.0;
 
   mjd = date2mjd (year, month, dday);
@@ -309,13 +347,20 @@ double nfd2mjd(char *date)
 }
 
 // Convert horizontal into equatorial coordinates
-void horizontal2equatorial(double mjd,double azi,double alt,double *ra,double *de)
+void
+horizontal2equatorial (double mjd, double azi, double alt, double *ra,
+		       double *de)
 {
   double h;
 
-  h=atan2(sin(azi*D2R),cos(azi*D2R)*sin(m.lat*D2R)+tan(alt*D2R)*cos(m.lat*D2R))*R2D;
+  h =
+    atan2 (sin (azi * D2R),
+	   cos (azi * D2R) * sin (m.lat * D2R) +
+	   tan (alt * D2R) * cos (m.lat * D2R)) * R2D;
   *ra = modulo (gmst (mjd) + m.lng - h, 360.0);
-  *de=asin(sin(m.lat*D2R)*sin(alt*D2R)-cos(m.lat*D2R)*cos(alt*D2R)*cos(azi*D2R))*R2D;
+  *de =
+    asin (sin (m.lat * D2R) * sin (alt * D2R) -
+	  cos (m.lat * D2R) * cos (alt * D2R) * cos (azi * D2R)) * R2D;
   if (*ra < 0.0)
     *ra += 360.0;
 
@@ -323,31 +368,44 @@ void horizontal2equatorial(double mjd,double azi,double alt,double *ra,double *d
 }
 
 // Convert equatorial into horizontal coordinates
-void equatorial2horizontal(double mjd,double ra,double de,double *azi,double *alt)
+void
+equatorial2horizontal (double mjd, double ra, double de, double *azi,
+		       double *alt)
 {
   double h;
 
   h = gmst (mjd) + m.lng - ra;
 
-  *azi=modulo(atan2(sin(h*D2R),cos(h*D2R)*sin(m.lat*D2R)-tan(de*D2R)*cos(m.lat*D2R))*R2D,360.0);
+  *azi =
-  *alt=asin(sin(m.lat*D2R)*sin(de*D2R)+cos(m.lat*D2R)*cos(de*D2R)*cos(h*D2R))*R2D;
+    modulo (atan2
+	    (sin (h * D2R),
+	     cos (h * D2R) * sin (m.lat * D2R) -
+	     tan (de * D2R) * cos (m.lat * D2R)) * R2D, 360.0);
+  *alt =
+    asin (sin (m.lat * D2R) * sin (de * D2R) +
+	  cos (m.lat * D2R) * cos (de * D2R) * cos (h * D2R)) * R2D;
 
   return;
 }
 
-double parallactic_angle(double mjd,double ra,double de)
+double
+parallactic_angle (double mjd, double ra, double de)
 {
   double h, q;
 
   h = gmst (mjd) + m.lng - ra;
 
-  q=atan2(sin(h*D2R),(tan(m.lat*D2R)*cos(de*D2R)-sin(de*D2R)*cos(h*D2R)))*R2D;
+  q =
+    atan2 (sin (h * D2R),
+	   (tan (m.lat * D2R) * cos (de * D2R) -
+	    sin (de * D2R) * cos (h * D2R))) * R2D;
 
   return q;
 }
 
 // Convert Decimal into Sexagesimal
-void dec2s(double x,char *s,int f,int len)
+void
+dec2s (double x, char *s, int f, int len)
 {
   int i;
   double sec, deg, min;
@@ -364,17 +422,28 @@ void dec2s(double x,char *s,int f,int len)
   //  deg=fmod(x,60.);
   deg = x;
 
-  if (len==7) sprintf(s,"%c%02i%c%02i%c%07.4f%c",sign,(int) deg,form[f][0],(int) min,form[f][1],sec,form[f][2]);
+  if (len == 7)
-  if (len==6) sprintf(s,"%c%02i%c%02i%c%06.3f%c",sign,(int) deg,form[f][0],(int) min,form[f][1],sec,form[f][2]);
+    sprintf (s, "%c%02i%c%02i%c%07.4f%c", sign, (int) deg, form[f][0],
-  if (len==5) sprintf(s,"%c%02i%c%02i%c%05.2f%c",sign,(int) deg,form[f][0],(int) min,form[f][1],sec,form[f][2]);
+	     (int) min, form[f][1], sec, form[f][2]);
-  if (len==4) sprintf(s,"%c%02i%c%02i%c%04.1f%c",sign,(int) deg,form[f][0],(int) min,form[f][1],sec,form[f][2]);
+  if (len == 6)
-  if (len==2) sprintf(s,"%c%02i%c%02i%c%02i%c",sign,(int) deg,form[f][0],(int) min,form[f][1],(int) floor(sec),form[f][2]);
+    sprintf (s, "%c%02i%c%02i%c%06.3f%c", sign, (int) deg, form[f][0],
+	     (int) min, form[f][1], sec, form[f][2]);
+  if (len == 5)
+    sprintf (s, "%c%02i%c%02i%c%05.2f%c", sign, (int) deg, form[f][0],
+	     (int) min, form[f][1], sec, form[f][2]);
+  if (len == 4)
+    sprintf (s, "%c%02i%c%02i%c%04.1f%c", sign, (int) deg, form[f][0],
+	     (int) min, form[f][1], sec, form[f][2]);
+  if (len == 2)
+    sprintf (s, "%c%02i%c%02i%c%02i%c", sign, (int) deg, form[f][0],
+	     (int) min, form[f][1], (int) floor (sec), form[f][2]);
 
   return;
 }
 
 
-int main(int argc,char *argv[])
+int
+main (int argc, char *argv[])
 {
   int arg = 0, haflag = 0, dry = 0;
   char sra[16], sde[16];
@@ -389,8 +458,10 @@ int main(int argc,char *argv[])
   m.mjd = nfd2mjd (m.nfd);
 
   // Decode options
-  while ((arg=getopt(argc,argv,"m:t:H:R:D:A:E:hn"))!=-1) {
+  while ((arg = getopt (argc, argv, "m:t:H:R:D:A:E:hn")) != -1)
-    switch(arg) {
+    {
+      switch (arg)
+	{
 
 	case 'n':
 	  dry = 1;
@@ -444,9 +515,12 @@ int main(int argc,char *argv[])
     }
 
   // Compute RA from HA
-  if (haflag==1) {
+  if (haflag == 1)
+    {
       m.ra0 = modulo (gmst (m.mjd) + m.lng - ha, 360.0);
-  } else {
+    }
+  else
+    {
       ha = modulo (gmst (m.mjd) + m.lng - m.ra0, 360.0);
       if (ha > 180.0)
 	ha -= 360.0;
@@ -465,9 +539,11 @@ int main(int argc,char *argv[])
   dec2s (m.de0, sde, 0, 4);
 
   // Print to screen
-  printf("%s R:%s D: %s H: %7.3f A: %6.3f E: %6.3f q: %5.2f\n",m.nfd,sra,sde,ha,modulo(m.azi0-180.0,360.0),m.alt0,m.q);
+  printf ("%s R:%s D: %s H: %7.3f A: %6.3f E: %6.3f q: %5.2f\n", m.nfd, sra,
+	  sde, ha, modulo (m.azi0 - 180.0, 360.0), m.alt0, m.q);
 
-  if (dry==0) {
+  if (dry == 0)
+    {
       // Send position
       send_position (sra, sde);
 

src/stviewer.c

@@ -10,7 +10,8 @@
 #define D2R M_PI/180.0
 #define R2D 180.0/M_PI
 
-struct image {
+struct image
+{
   char filename[64];
   int naxis1, naxis2, naxis3, nframes;
   float *zavg, *zstd, *zmax, *znum, *ztrk;
@@ -26,7 +27,8 @@ struct image read_fits(char *filename);
 void write_composite_pgm (char *filename, struct image img);
 void write_pgm (char *filename, struct image img);
 
-int main(int argc,char *argv[])
+int
+main (int argc, char *argv[])
 {
   int i;
   struct image img;
@@ -40,7 +42,8 @@ int main(int argc,char *argv[])
 }
 
 // Read fits image
-struct image read_fits(char *filename)
+struct image
+read_fits (char *filename)
 {
   int i, j, k, l, m;
   qfitsloader ql;
@@ -82,7 +85,8 @@ struct image read_fits(char *filename)
 
   // Timestamps
   img.dt = (float *) malloc (sizeof (float) * img.nframes);
-  for (i=0;i<img.nframes;i++) {
+  for (i = 0; i < img.nframes; i++)
+    {
       sprintf (key, "DT%04d", i);
       strcpy (val, qfits_query_hdr (filename, key));
       sscanf (val + 1, "%f", &img.dt[i]);
@@ -103,7 +107,8 @@ struct image read_fits(char *filename)
   ql.filename = filename;
 
   // Loop over planes
-  for (k=0;k<img.naxis3;k++) {
+  for (k = 0; k < img.naxis3; k++)
+    {
       ql.pnum = k;
 
       // Initialize load
@@ -115,16 +120,27 @@ struct image read_fits(char *filename)
 	printf ("Error loading actual data\n");
 
       // Fill z array
-    for (i=0,l=0;i<img.naxis1;i++) {
+      for (i = 0, l = 0; i < img.naxis1; i++)
-      for (j=0;j<img.naxis2;j++) {
+	{
-	if (k==1) img.zstd[l]=ql.fbuf[l];
+	  for (j = 0; j < img.naxis2; j++)
-	if (k==2) img.zmax[l]=ql.fbuf[l];
+	    {
-	if (k==3) img.znum[l]=ql.fbuf[l];
+	      if (k == 1)
-	if (img.naxis3==5) {
+		img.zstd[l] = ql.fbuf[l];
-	  if (k==0) img.ztrk[l]=ql.fbuf[l];
+	      if (k == 2)
-	  if (k==4) img.zavg[l]=ql.fbuf[l];
+		img.zmax[l] = ql.fbuf[l];
-	} else {
+	      if (k == 3)
-	  if (k==0) img.zavg[l]=ql.fbuf[l];
+		img.znum[l] = ql.fbuf[l];
+	      if (img.naxis3 == 5)
+		{
+		  if (k == 0)
+		    img.ztrk[l] = ql.fbuf[l];
+		  if (k == 4)
+		    img.zavg[l] = ql.fbuf[l];
+		}
+	      else
+		{
+		  if (k == 0)
+		    img.zavg[l] = ql.fbuf[l];
 		}
 
 	      l++;
@@ -136,7 +152,8 @@ struct image read_fits(char *filename)
 }
 
 // Write pgm file
-void write_composite_pgm(char *filename,struct image img)
+void
+write_composite_pgm (char *filename, struct image img)
 {
   int i, j, k, l, n;
   FILE *file;
@@ -145,33 +162,43 @@ void write_composite_pgm(char *filename,struct image img)
   unsigned char *buffer;
 
   n = img.naxis1 * img.naxis2;
-  for (j=0;j<3;j++) {
+  for (j = 0; j < 3; j++)
-    for (i=0,s1=0.0,s2=0.0;i<n;i++) {
+    {
-      if (j==0) z=img.zavg[i];
+      for (i = 0, s1 = 0.0, s2 = 0.0; i < n; i++)
-      if (j==1) z=img.zstd[i];
+	{
-      if (j==2) z=img.zmax[i];
+	  if (j == 0)
+	    z = img.zavg[i];
+	  if (j == 1)
+	    z = img.zstd[i];
+	  if (j == 2)
+	    z = img.zmax[i];
 	  s1 += z;
 	  s2 += z * z;
 	}
       avg = s1 / (float) n;
       std = sqrt (s2 / (float) n - avg * avg);
-    if (j==0) {
+      if (j == 0)
+	{
 	  zavgmin = avg - 2 * std;
 	  zavgmax = avg + 3 * std;
 	}
-    if (j==1) {
+      if (j == 1)
+	{
 	  zstdmin = avg - 2 * std;
 	  zstdmax = avg + 3 * std;
 	}
-    if (j==2) {
+      if (j == 2)
+	{
 	  zmaxmin = avg - 2 * std;
 	  zmaxmax = avg + 3 * std;
 	}
     }
   buffer = (unsigned char *) malloc (sizeof (unsigned char) * 4 * n);
 
-  for (j=0,l=0;j<img.naxis2;j++) {
+  for (j = 0, l = 0; j < img.naxis2; j++)
-    for (i=0;i<img.naxis1;i++) {
+    {
+      for (i = 0; i < img.naxis1; i++)
+	{
 	  k = i + (img.naxis2 - j - 1) * img.naxis1;
 	  z = 255.0 * (img.zavg[k] - zavgmin) / (zavgmax - zavgmin);
 	  if (z >= 255.0)
@@ -180,7 +207,8 @@ void write_composite_pgm(char *filename,struct image img)
 	    z = 0.0;
 	  buffer[l++] = (unsigned char) z;
 	}
-    for (i=0;i<img.naxis1;i++) {
+      for (i = 0; i < img.naxis1; i++)
+	{
 	  k = i + (img.naxis2 - j - 1) * img.naxis1;
 	  z = 255.0 * (img.zstd[k] - zstdmin) / (zstdmax - zstdmin);
 	  if (z >= 255.0)
@@ -190,8 +218,10 @@ void write_composite_pgm(char *filename,struct image img)
 	  buffer[l++] = (unsigned char) z;
 	}
     }
-  for (j=0;j<img.naxis2;j++) {
+  for (j = 0; j < img.naxis2; j++)
-    for (i=0;i<img.naxis1;i++) {
+    {
+      for (i = 0; i < img.naxis1; i++)
+	{
 	  k = i + (img.naxis2 - j - 1) * img.naxis1;
 	  z = 255 * (img.zmax[k] - zmaxmin) / (zmaxmax - zmaxmin);
 	  if (z >= 255.0)
@@ -200,7 +230,8 @@ void write_composite_pgm(char *filename,struct image img)
 	    z = 0.0;
 	  buffer[l++] = (unsigned char) z;
 	}
-    for (i=0;i<img.naxis1;i++) {
+      for (i = 0; i < img.naxis1; i++)
+	{
 	  k = i + (img.naxis2 - j - 1) * img.naxis1;
 	  z = img.znum[k];
 	  if (z >= 255.0)
@@ -219,14 +250,16 @@ void write_composite_pgm(char *filename,struct image img)
 }
 
 // Write pgm file
-void write_pgm(char *filename,struct image img)
+void
+write_pgm (char *filename, struct image img)
 {
   int i, j, k, n;
   FILE *file;
   float s1, s2, z, avg, std, zavgmin, zavgmax;
 
   n = img.naxis1 * img.naxis2;
-  for (i=0,s1=0.0,s2=0.0;i<n;i++) {
+  for (i = 0, s1 = 0.0, s2 = 0.0; i < n; i++)
+    {
       z = img.zavg[i];
       s1 += z;
       s2 += z * z;
@@ -237,9 +270,12 @@ void write_pgm(char *filename,struct image img)
   zavgmax = avg + 3 * std;
 
   file = fopen (filename, "w");
-  fprintf(file,"P5\n# %.23s\n%d %d\n255\n",img.nfd+1,img.naxis1,img.naxis2);
+  fprintf (file, "P5\n# %.23s\n%d %d\n255\n", img.nfd + 1, img.naxis1,
-  for (j=0;j<img.naxis2;j++) {
+	   img.naxis2);
-    for (i=0;i<img.naxis1;i++) {
+  for (j = 0; j < img.naxis2; j++)
+    {
+      for (i = 0; i < img.naxis1; i++)
+	{
 	  k = i + (img.naxis2 - j - 1) * img.naxis1;
 	  z = 255.0 * (img.zavg[k] - zavgmin) / (zavgmax - zavgmin);
 	  if (z > 255.0)

src/tle2ole.c

@@ -6,7 +6,8 @@
 #define LIM 256
 
 // Read a line of maximum length int lim from file FILE into string s
-int fgetline(FILE *file,char *s,int lim)
+int
+fgetline (FILE * file, char *s, int lim)
 {
   int c, i = 0;
 
@@ -18,7 +19,8 @@ int fgetline(FILE *file,char *s,int lim)
   return i;
 }
 
-int main(int argc,char *argv[])
+int
+main (int argc, char *argv[])
 {
   int reverse = 0;
   char line[LIM], pline[LIM], tlefile[LIM];
@@ -27,8 +29,10 @@ int main(int argc,char *argv[])
   int arg = 0;
 
   // Decode options
-  while ((arg=getopt(argc,argv,"c:rh"))!=-1) {
+  while ((arg = getopt (argc, argv, "c:rh")) != -1)
-    switch(arg) {
+    {
+      switch (arg)
+	{
 
 	case 'c':
 	  strcpy (tlefile, optarg);
@@ -45,23 +49,31 @@ int main(int argc,char *argv[])
 	}
     }
 
-  if (reverse==0) {
+  if (reverse == 0)
+    {
       file = fopen (tlefile, "r");
-    while (fgetline(file,line,LIM)>0) {
+      while (fgetline (file, line, LIM) > 0)
-      if (line[0]=='1') {
+	{
+	  if (line[0] == '1')
+	    {
 	      strcpy (line0, pline);
 	      strcpy (line1, line);
 	      fgetline (file, line, LIM);
 	      strcpy (line2, line);
 	      printf ("%s | %s | %s\n", line1, line2, line0);
-      } else {
+	    }
+	  else
+	    {
 	      strcpy (pline, line);
 	    }
 	}
       fclose (file);
-  } else {
+    }
+  else
+    {
       file = fopen (tlefile, "r");
-    while (fgetline(file,line,LIM)>0) {
+      while (fgetline (file, line, LIM) > 0)
+	{
 	  printf ("%.70s\n%.70s\n%.70s\n", line + 144, line, line + 72);
 	}
       fclose (file);

src/tle2rv.c

@@ -18,7 +18,8 @@
 extern double SGDP4_jd0;
 
 // Nutation series
-static const struct {
+static const struct
+{
   int nm1, nm, nf, nd, nn;
   double s, st;
   double c, ct;
@@ -132,16 +133,19 @@ static const struct {
 };
 
 // Return x modulo y [0,y)
-double modulo(double x,double y)
+double
+modulo (double x, double y)
 {
   x = fmod (x, y);
-  if (x<0.0) x+=y;
+  if (x < 0.0)
+    x += y;
 
   return x;
 }
 
 // Present nfd
-void nfd_now(char *s)
+void
+nfd_now (char *s)
 {
   time_t rawtime;
   struct tm *ptm;
@@ -150,18 +154,22 @@ void nfd_now(char *s)
   time (&rawtime);
   ptm = gmtime (&rawtime);
 
-  sprintf(s,"%04d-%02d-%02dT%02d:%02d:%02d",ptm->tm_year+1900,ptm->tm_mon+1,ptm->tm_mday,ptm->tm_hour,ptm->tm_min,ptm->tm_sec);
+  sprintf (s, "%04d-%02d-%02dT%02d:%02d:%02d", ptm->tm_year + 1900,
+	   ptm->tm_mon + 1, ptm->tm_mday, ptm->tm_hour, ptm->tm_min,
+	   ptm->tm_sec);
 
   return;
 }
 
 // Compute Julian Day from Date
-double date2mjd(int year,int month,double day)
+double
+date2mjd (int year, int month, double day)
 {
   int a, b;
   double jd;
 
-  if (month<3) {
+  if (month < 3)
+    {
       year--;
       month += 12;
     }
@@ -169,22 +177,29 @@ double date2mjd(int year,int month,double day)
   a = floor (year / 100.);
   b = 2. - a + floor (a / 4.);
 
-  if (year<1582) b=0;
+  if (year < 1582)
-  if (year==1582 && month<10) b=0;
+    b = 0;
-  if (year==1582 && month==10 && day<=4) b=0;
+  if (year == 1582 && month < 10)
+    b = 0;
+  if (year == 1582 && month == 10 && day <= 4)
+    b = 0;
 
-  jd=floor(365.25*(year+4716))+floor(30.6001*(month+1))+day+b-1524.5;
+  jd =
+    floor (365.25 * (year + 4716)) + floor (30.6001 * (month + 1)) + day + b -
+    1524.5;
 
   return jd - 2400000.5;
 }
 
 // nfd2mjd
-double nfd2mjd(char *date)
+double
+nfd2mjd (char *date)
 {
   int year, month, day, hour, min, sec;
   double mjd, dday;
 
-  sscanf(date,"%04d-%02d-%02dT%02d:%02d:%02d",&year,&month,&day,&hour,&min,&sec);
+  sscanf (date, "%04d-%02d-%02dT%02d:%02d:%02d", &year, &month, &day, &hour,
+	  &min, &sec);
   dday = day + hour / 24.0 + min / 1440.0 + sec / 86400.0;
 
   mjd = date2mjd (year, month, dday);
@@ -193,7 +208,8 @@ double nfd2mjd(char *date)
 }
 
 // Nutation
-void nutation(double mjd,double *dpsi,double *deps,double *eps)
+void
+nutation (double mjd, double *dpsi, double *deps, double *eps)
 {
   int i;
   double t, t2, t3;
@@ -206,17 +222,30 @@ void nutation(double mjd,double *dpsi,double *deps,double *eps)
   t3 = t2 * t;
 
   // Angles
-  d=modulo(297.85036+445267.111480*t-0.0019142*t2+t3/189474.0,360.0)*D2R;
+  d =
-  m=modulo(357.52772+35999.050340*t-0.0001603*t2-t3/300000.0,360.0)*D2R;
+    modulo (297.85036 + 445267.111480 * t - 0.0019142 * t2 + t3 / 189474.0,
-  m1=modulo(134.96298+477198.867398*t+0.0086972*t2+t3/56250.0,360.0)*D2R;
+	    360.0) * D2R;
-  f=modulo(93.27191+483202.017538*t-0.0036825*t2+t3/327270.0,360.0)*D2R;
+  m =
-  n=modulo(125.04452-1934.136261*t+0.0020708*t2+t3/450000.0,360.0)*D2R;
+    modulo (357.52772 + 35999.050340 * t - 0.0001603 * t2 - t3 / 300000.0,
+	    360.0) * D2R;
+  m1 =
+    modulo (134.96298 + 477198.867398 * t + 0.0086972 * t2 + t3 / 56250.0,
+	    360.0) * D2R;
+  f =
+    modulo (93.27191 + 483202.017538 * t - 0.0036825 * t2 + t3 / 327270.0,
+	    360.0) * D2R;
+  n =
+    modulo (125.04452 - 1934.136261 * t + 0.0020708 * t2 + t3 / 450000.0,
+	    360.0) * D2R;
 
   // Compute sums
   *dpsi = 0.0;
   *deps = 0.0;
-  for (i=0;i<106;i++) {
+  for (i = 0; i < 106; i++)
-    arg=nut[i].nd*d+nut[i].nm*m+nut[i].nm1*m1+nut[i].nf*f+nut[i].nn*n;
+    {
+      arg =
+	nut[i].nd * d + nut[i].nm * m + nut[i].nm1 * m1 + nut[i].nf * f +
+	nut[i].nn * n;
       *dpsi += (nut[i].s + nut[i].st * t) * sin (arg);
       *deps += (nut[i].c + nut[i].ct * t) * cos (arg);
     }
@@ -229,7 +258,8 @@ void nutation(double mjd,double *dpsi,double *deps,double *eps)
 }
 
 // Precession
-void precess(double mjd0,double mjd,double *zeta,double *z,double *theta)
+void
+precess (double mjd0, double mjd, double *zeta, double *z, double *theta)
 {
   double t0, t;
 
@@ -253,12 +283,15 @@ void precess(double mjd0,double mjd,double *zeta,double *z,double *theta)
 
 
 // Set identity matrix
-void identity_matrix(double a[3][3])
+void
+identity_matrix (double a[3][3])
 {
   int i, j;
 
-  for (i=0;i<3;i++) {
+  for (i = 0; i < 3; i++)
-    for (j=0;j<3;j++) {
+    {
+      for (j = 0; j < 3; j++)
+	{
 	  if (i == j)
 	    a[i][j] = 1.0;
 	  else
@@ -270,7 +303,8 @@ void identity_matrix(double a[3][3])
 }
 
 // Rotate around x-axis
-void rotate_x(double phi, double a[3][3])
+void
+rotate_x (double phi, double a[3][3])
 {
   double s, c, a10, a11, a12, a20, a21, a22;
 
@@ -295,7 +329,8 @@ void rotate_x(double phi, double a[3][3])
 }
 
 // Rotate around y-axis
-void rotate_y(double phi, double a[3][3])
+void
+rotate_y (double phi, double a[3][3])
 {
   double s, c, a00, a01, a02, a20, a21, a22;
 
@@ -320,7 +355,8 @@ void rotate_y(double phi, double a[3][3])
 }
 
 // Rotate around z-axis
-void rotate_z(double phi, double a[3][3])
+void
+rotate_z (double phi, double a[3][3])
 {
   double s, c, a00, a01, a02, a10, a11, a12;
 
@@ -345,12 +381,15 @@ void rotate_z(double phi, double a[3][3])
 }
 
 // Matrix multiply
-void matrix_multiply(double a[3][3],double b[3][3],double c[3][3])
+void
+matrix_multiply (double a[3][3], double b[3][3], double c[3][3])
 {
   int i, j, k;
 
-  for (i=0;i<3;i++) {
+  for (i = 0; i < 3; i++)
-    for (j=0;j<3;j++) {
+    {
+      for (j = 0; j < 3; j++)
+	{
 	  c[i][j] = 0.0;
 	  for (k = 0; k < 3; k++)
 	    c[i][j] += a[i][k] * b[k][j];
@@ -361,12 +400,14 @@ void matrix_multiply(double a[3][3],double b[3][3],double c[3][3])
 }
 
 // Vector multiply
-void vector_multiply_in_place(double a[3][3],double b[3])
+void
+vector_multiply_in_place (double a[3][3], double b[3])
 {
   int i, j, k;
   double c[3];
 
-  for (i=0;i<3;i++) {
+  for (i = 0; i < 3; i++)
+    {
       c[i] = 0.0;
       for (j = 0; j < 3; j++)
 	c[i] += a[i][j] * b[j];
@@ -378,11 +419,13 @@ void vector_multiply_in_place(double a[3][3],double b[3])
 }
 
 // Vector multiply
-void vector_multiply(double a[3][3],double b[3],double c[3])
+void
+vector_multiply (double a[3][3], double b[3], double c[3])
 {
   int i, j, k;
 
-  for (i=0;i<3;i++) {
+  for (i = 0; i < 3; i++)
+    {
       c[i] = 0.0;
       for (j = 0; j < 3; j++)
 	c[i] += a[i][j] * b[j];
@@ -392,7 +435,8 @@ void vector_multiply(double a[3][3],double b[3],double c[3])
 }
 
 // Transpose
-void matrix_transpose(double a[3][3],double b[3][3])
+void
+matrix_transpose (double a[3][3], double b[3][3])
 {
   int i, j;
 
@@ -404,19 +448,22 @@ void matrix_transpose(double a[3][3],double b[3][3])
 }
 
 // Dot product
-double dot_product(double a[3],double b[3])
+double
+dot_product (double a[3], double b[3])
 {
   return a[0] * b[0] + a[1] * b[1] + a[2] * b[2];
 }
 
 // Magnitude
-double magnitude(double a[3])
+double
+magnitude (double a[3])
 {
   return sqrt (dot_product (a, a));
 }
 
 // Cross product
-void cross_product(double a[3],double b[3],double c[3])
+void
+cross_product (double a[3], double b[3], double c[3])
 {
   c[0] = a[1] * b[2] - a[2] * b[1];
   c[1] = a[2] * b[0] - a[0] * b[2];
@@ -426,7 +473,8 @@ void cross_product(double a[3],double b[3],double c[3])
 }
 
 // ICRS to TEME conversion
-void icrs_to_teme(double mjd,double a[3][3])
+void
+icrs_to_teme (double mjd, double a[3][3])
 {
   int i, j;
   double dpsi, deps, eps, z, theta, zeta, h;
@@ -457,7 +505,8 @@ void icrs_to_teme(double mjd,double a[3][3])
   return;
 }
 
-void usage(void)
+void
+usage (void)
 {
   printf ("tle2rv c:i:t:m:efh\n\n");
   printf ("-c   Catalog to load [classfd.tle]\n");
@@ -472,7 +521,8 @@ void usage(void)
   return;
 }
 
-int main(int argc,char *argv[])
+int
+main (int argc, char *argv[])
 {
   int imode, arg, satno = 0, useepoch = 0, format = 0, gmat = 0;
   FILE *file;
@@ -492,8 +542,10 @@ int main(int argc,char *argv[])
   mjd = nfd2mjd (nfd);
 
   // Decode options
-  while ((arg=getopt(argc,argv,"c:i:t:m:hejg"))!=-1) {
+  while ((arg = getopt (argc, argv, "c:i:t:m:hejg")) != -1)
-    switch (arg) {
+    {
+      switch (arg)
+	{
 
 	case 't':
 	  strcpy (nfd, optarg);
@@ -537,7 +589,8 @@ int main(int argc,char *argv[])
 
   // Open file
   file = fopen (tlefile, "r");
-  while (read_twoline(file,satno,&orb)==0) {
+  while (read_twoline (file, satno, &orb) == 0)
+    {
       // Propagate
       imode = init_sgdp4 (&orb);
 
@@ -550,7 +603,8 @@ int main(int argc,char *argv[])
 
       // Output
       if (format == 0 && gmat == 0)
-      printf("%05d %14.8lf %f %f %f %f %f %f TEME\n",orb.satno,mjd,r.x,r.y,r.z,v.x,v.y,v.z);
+	printf ("%05d %14.8lf %f %f %f %f %f %f TEME\n", orb.satno, mjd, r.x,
+		r.y, r.z, v.x, v.y, v.z);
 
       // To vectors
       rr[0] = r.x;
@@ -570,10 +624,12 @@ int main(int argc,char *argv[])
 
       // Output J2000
       if (format == 1 && gmat == 0)
-      printf("%05d %14.8lf %f %f %f %f %f %f J2000\n",orb.satno,mjd,rr[0],rr[1],rr[2],vv[0],vv[1],vv[2]);
+	printf ("%05d %14.8lf %f %f %f %f %f %f J2000\n", orb.satno, mjd,
+		rr[0], rr[1], rr[2], vv[0], vv[1], vv[2]);
 
       // GMAT output
-    if (gmat==1) {
+      if (gmat == 1)
+	{
 	  printf ("UTCModJulian = %14.8lf\n", mjd - 29999.5);
 	  printf ("CoordinateSystem = EarthMJ2000Eq\n");
 	  printf ("X = %lf\n", rr[0]);

src/tleinfo.c

@@ -17,18 +17,24 @@
 
 extern double SGDP4_jd0;
 
-void usage(void)
+void
+usage (void)
 {
-  printf("usage: tleinfo [-c TLEFILE] [-u] [|-1|-f] [ |-n|-d] [-i SATNO] [-I INTLDESG ] [ |-a|-b] [-H] [-h]\n\n");
+  printf
+    ("usage: tleinfo [-c TLEFILE] [-u] [|-1|-f] [ |-n|-d] [-i SATNO] [-I INTLDESG ] [ |-a|-b] [-H] [-h]\n\n");
 
-  printf("-c TLEFILE  The file containing orbital elements in the form of TLEs, 3 lines per object\n");
+  printf
+    ("-c TLEFILE  The file containing orbital elements in the form of TLEs, 3 lines per object\n");
   printf ("            default: ./bulk.tle\n");
-  printf("-i SATNO    Filter only elements for objects with this NORAD catalog identifier\n");
+  printf
-  printf("-I INTLDESG Filter only elements for objects with this international designator\n");
+    ("-i SATNO    Filter only elements for objects with this NORAD catalog identifier\n");
+  printf
+    ("-I INTLDESG Filter only elements for objects with this international designator\n");
   printf ("-u          Show only one object (MODE0 only)\n");
 
   printf ("\nSelect MODE:\n");
-  printf("            MODE0: Show TLEs, object names or COSPAR designations\n");
+  printf
+    ("            MODE0: Show TLEs, object names or COSPAR designations\n");
   printf ("-1          MODE1: Show list of elements (one line per object)\n");
   printf ("-f          MODE2: Show human-readable parameters\n\n");
 
@@ -38,9 +44,11 @@ void usage(void)
   printf ("  -n        Show only the name of the objects\n");
   printf ("  -d        Show only the COSPAR designation of the objects\n\n");
   printf ("MODE1:\n");
-  printf("  default   SATNO, YEAR, DOY, INCL, ASCN, ARGP, MA, ECC, MM, BSTAR\n");
+  printf
+    ("  default   SATNO, YEAR, DOY, INCL, ASCN, ARGP, MA, ECC, MM, BSTAR\n");
   printf ("  -a        SATNO, SEMI, PERIGEE, APOGEE, INCL, PERIOD, ECC\n");
-  printf("  -b        SATNO, YEAR, DOY, INCL, ASCN, ARGP, MA, ECC, MM, floor(MJD), LNG_AT_MIDNIGHT\n\n");
+  printf
+    ("  -b        SATNO, YEAR, DOY, INCL, ASCN, ARGP, MA, ECC, MM, floor(MJD), LNG_AT_MIDNIGHT\n\n");
 
 
   printf ("-H          Show header (MODE1 only), default: disabled\n");
@@ -50,12 +58,14 @@ void usage(void)
 double modulo (double x, double y);
 
 // Compute Julian Day from Date
-double date2mjd(int year,int month,double day)
+double
+date2mjd (int year, int month, double day)
 {
   int a, b;
   double jd;
 
-  if (month<3) {
+  if (month < 3)
+    {
       year--;
       month += 12;
     }
@@ -63,17 +73,23 @@ double date2mjd(int year,int month,double day)
   a = floor (year / 100.);
   b = 2. - a + floor (a / 4.);
 
-  if (year<1582) b=0;
+  if (year < 1582)
-  if (year==1582 && month<10) b=0;
+    b = 0;
-  if (year==1582 && month==10 && day<=4) b=0;
+  if (year == 1582 && month < 10)
+    b = 0;
+  if (year == 1582 && month == 10 && day <= 4)
+    b = 0;
 
-  jd=floor(365.25*(year+4716))+floor(30.6001*(month+1))+day+b-1524.5;
+  jd =
+    floor (365.25 * (year + 4716)) + floor (30.6001 * (month + 1)) + day + b -
+    1524.5;
 
   return jd - 2400000.5;
 }
 
 // DOY to MJD
-double doy2mjd(int year,double doy)
+double
+doy2mjd (int year, double doy)
 {
   int month, k = 2;
   double day;
@@ -86,13 +102,16 @@ double doy2mjd(int year,double doy)
   if (doy < 32)
     month = 1;
 
-  day=doy-floor(275.0*month/9.0)+k*floor((month+9.0)/12.0)+30.0;
+  day =
+    doy - floor (275.0 * month / 9.0) + k * floor ((month + 9.0) / 12.0) +
+    30.0;
 
   return date2mjd (year, month, day);
 }
 
 // Read a line of maximum length int lim from file FILE into string s
-int fgetline(FILE *file,char *s,int lim)
+int
+fgetline (FILE * file, char *s, int lim)
 {
   int c, i = 0;
 
@@ -104,7 +123,8 @@ int fgetline(FILE *file,char *s,int lim)
   return i;
 }
 
-void orbit(orbit_t orb,float *aodp,float *perigee,float *apogee,float *period)
+void
+orbit (orbit_t orb, float *aodp, float *perigee, float *apogee, float *period)
 {
   float xno, eo, xincl;
   float a1, betao2, betao, temp0, del1, a0, del0, xnodp;
@@ -131,7 +151,8 @@ void orbit(orbit_t orb,float *aodp,float *perigee,float *apogee,float *period)
 }
 
 // Compute Date from Julian Day
-void mjd2nfd(double mjd,char *nfd)
+void
+mjd2nfd (double mjd, char *nfd)
 {
   double f, jd, dday;
   int z, alpha, a, b, c, d, e;
@@ -146,7 +167,8 @@ void mjd2nfd(double mjd,char *nfd)
 
   if (z < 2299161)
     a = z;
-  else {
+  else
+    {
       alpha = floor ((z - 1867216.25) / 36524.25);
       a = z + 1 + alpha - floor (alpha / 4.);
     }
@@ -176,12 +198,14 @@ void mjd2nfd(double mjd,char *nfd)
   hour = x;
   sec = floor (1000.0 * sec) / 1000.0;
 
-  sprintf(nfd,"%04d-%02d-%02dT%02d:%02d:%06.3f",year,month,day,hour,min,sec);
+  sprintf (nfd, "%04d-%02d-%02dT%02d:%02d:%06.3f", year, month, day, hour,
+	   min, sec);
 
   return;
 }
 
-float orbital_longitude_at_midnight(orbit_t orb,double mjd0)
+float
+orbital_longitude_at_midnight (orbit_t orb, double mjd0)
 {
   int rv, imode;
   double jd, tsince, mjd;
@@ -198,11 +222,14 @@ float orbital_longitude_at_midnight(orbit_t orb,double mjd0)
   return modulo (K.theta * R2D, 360.0);
 }
 
-int main(int argc,char *argv[])
+int
+main (int argc, char *argv[])
 {
-  int arg=0,satno=0,header=0,oneline=0,no,name=0,desig=0,has_intldesg=0;
+  int arg = 0, satno = 0, header = 0, oneline = 0, no, name = 0, desig =
+    0, has_intldesg = 0;
   char tlefile[LIM];
-  char line0[LIM],line1[LIM],line2[LIM],nfd[32],intldesg[16]="",desg[16]="";
+  char line0[LIM], line1[LIM], line2[LIM], nfd[32], intldesg[16] =
+    "", desg[16] = "";
   FILE *file;
   orbit_t orb;
   float aodp, perigee, apogee, period, lng;
@@ -214,8 +241,10 @@ int main(int argc,char *argv[])
   sprintf (tlefile, "%s/bulk.tle", env);
 
   // Decode options
-  while ((arg=getopt(argc,argv,"c:i:I:aH1ftndbu"))!=-1) {
+  while ((arg = getopt (argc, argv, "c:i:I:aH1ftndbu")) != -1)
-    switch (arg) {
+    {
+      switch (arg)
+	{
 
 	case 'c':
 	  strcpy (tlefile, optarg);
@@ -273,20 +302,24 @@ int main(int argc,char *argv[])
 	}
     }
 
-  if (oneline==0) {
+  if (oneline == 0)
+    {
       // Open file
       file = fopen (tlefile, "rb");
       if (file == NULL)
 	fatal_error ("File open failed for reading \"%s\"", tlefile);
 
-    while (fgetline(file,line1,LIM)>0) {
+      while (fgetline (file, line1, LIM) > 0)
+	{
 	  // Find TLE line
-      if (line1[0]=='1') {
+	  if (line1[0] == '1')
+	    {
 	      fgetline (file, line2, LIM);
 	      sscanf (line1 + 2, "%d", &no);
 	      sscanf (line1 + 9, "%s", &desg);
 
-	if ((satno==0 || satno==no) && (has_intldesg==0)) {
+	      if ((satno == 0 || satno == no) && (has_intldesg == 0))
+		{
 		  if (name == 1 && desig == 0)
 		    printf ("%s\n", line0);
 		  else if (name == 0 && desig == 1)
@@ -295,8 +328,11 @@ int main(int argc,char *argv[])
 		    printf ("%s\n%s\n%s\n", line0, line1, line2);
 		  if (unique == 1)
 		    break;
-	} else if (has_intldesg==1) {
+		}
-	  if (strcmp(desg,intldesg)==0) {
+	      else if (has_intldesg == 1)
+		{
+		  if (strcmp (desg, intldesg) == 0)
+		    {
 		      printf ("%s\n%s\n%s\n", line0, line1, line2);
 		    }
 		}
@@ -331,35 +367,55 @@ int main(int argc,char *argv[])
          }
        */
       fclose (file);
-  } else if (oneline==1) {
+    }
+  else if (oneline == 1)
+    {
       // Open file
       file = fopen (tlefile, "rb");
       if (file == NULL)
 	fatal_error ("File open failed for reading \"%s\"", tlefile);
 
-    if (header==1) {
+      if (header == 1)
+	{
 	  if (info == 0)
-        printf("SATNO YEAR DOY     INCL    ASCN     ARGP     MA       ECC      MM   BSTAR\n");
+	    printf
+	      ("SATNO YEAR DOY     INCL    ASCN     ARGP     MA       ECC      MM   BSTAR\n");
 	  else if (info == 1)
 	    printf ("SATNO SEMI     PERIGEE  APOGEE    PERIOD  ECC\n");
 	  else if (info == 2)
-        printf("SATNO YEAR DOY     INCL    ASCN     ARGP     MA       ECC      MM   floor(MJD) LNG_AT_MIDNIGHT\n");
+	    printf
+	      ("SATNO YEAR DOY     INCL    ASCN     ARGP     MA       ECC      MM   floor(MJD) LNG_AT_MIDNIGHT\n");
 	}
 
       // Loop over file
-    while (read_twoline(file,satno,&orb)==0) {
+      while (read_twoline (file, satno, &orb) == 0)
+	{
 	  orbit (orb, &aodp, &perigee, &apogee, &period);
 	  mjd = doy2mjd (orb.ep_year, orb.ep_day);
 	  mjd2nfd (mjd, nfd);
-      if (info==0) printf("%05d %10.4lf %8.4f %8.4f %8.4f %8.4f %8.6f %8.5f %e\n",orb.satno,mjd,DEG(orb.eqinc),DEG(orb.ascn),DEG(orb.argp),DEG(orb.mnan),orb.ecc,orb.rev,orb.bstar);
+	  if (info == 0)
-      if (info==1) printf("%05d %6.0f x %6.0f x %6.2f %8.2f %8.6f %14.8lf\n",orb.satno,perigee,apogee,DEG(orb.eqinc),period,orb.ecc,mjd);
+	    printf ("%05d %10.4lf %8.4f %8.4f %8.4f %8.4f %8.6f %8.5f %e\n",
-      if (info==2) {
+		    orb.satno, mjd, DEG (orb.eqinc), DEG (orb.ascn),
+		    DEG (orb.argp), DEG (orb.mnan), orb.ecc, orb.rev,
+		    orb.bstar);
+	  if (info == 1)
+	    printf ("%05d %6.0f x %6.0f x %6.2f %8.2f %8.6f %14.8lf\n",
+		    orb.satno, perigee, apogee, DEG (orb.eqinc), period,
+		    orb.ecc, mjd);
+	  if (info == 2)
+	    {
 	      lng = orbital_longitude_at_midnight (orb, mjd);
-	    printf("%05d %10.4lf %8.4f %8.4f %8.4f %8.4f %8.6f %8.5f %10.4lf %8.4f\n",orb.satno,mjd,DEG(orb.eqinc),DEG(orb.ascn),DEG(orb.argp),DEG(orb.mnan),orb.ecc,orb.rev,floor(mjd),lng);
+	      printf
+		("%05d %10.4lf %8.4f %8.4f %8.4f %8.4f %8.6f %8.5f %10.4lf %8.4f\n",
+		 orb.satno, mjd, DEG (orb.eqinc), DEG (orb.ascn),
+		 DEG (orb.argp), DEG (orb.mnan), orb.ecc, orb.rev,
+		 floor (mjd), lng);
 	    }
 	}
       fclose (file);
-  } else if (oneline==2) {
+    }
+  else if (oneline == 2)
+    {
       // Open file
       file = fopen (tlefile, "rb");
       if (file == NULL)
@@ -376,10 +432,12 @@ int main(int argc,char *argv[])
 }
 
 // Return x modulo y [0,y)
-double modulo(double x,double y)
+double
+modulo (double x, double y)
 {
   x = fmod (x, y);
-  if (x<0.0) x+=y;
+  if (x < 0.0)
+    x += y;
 
   return x;
 }

src/uk2iod.c

@@ -7,7 +7,8 @@
 #define LIM 128
 
 int fgetline (FILE * file, char *s, int lim);
-int find_satno(char *desig0)
+int
+find_satno (char *desig0)
 {
   FILE *file;
   int satno = 99999, status;
@@ -17,11 +18,13 @@ int find_satno(char *desig0)
   env = getenv ("ST_DATADIR");
   sprintf (filename, "%s/data/desig.txt", env);
   file = fopen (filename, "r");
-  if (file==NULL) {
+  if (file == NULL)
+    {
       fprintf (stderr, "Designation file not found!\n");
       exit (0);
     }
-  while (!feof(file)) {
+  while (!feof (file))
+    {
       status = fscanf (file, "%d %s", &satno, desig);
       if (strcmp (desig, desig0) == 0)
 	break;
@@ -32,11 +35,13 @@ int find_satno(char *desig0)
 }
 
 
-int main(int argc,char *argv[])
+int
+main (int argc, char *argv[])
 {
   FILE *file;
   char line[LIM];
-  int intidy,intido,piece,site,year,month,day,hour,min,sec,fsec,satno;
+  int intidy, intido, piece, site, year, month, day, hour, min, sec, fsec,
+    satno;
   char desig[16], pdesig[16];
   int format, epoch;
   float csec, cang, x;
@@ -45,7 +50,8 @@ int main(int argc,char *argv[])
   char sign;
 
   file = fopen (argv[1], "r");
-  while (fgetline(file,line,LIM)>0) {
+  while (fgetline (file, line, LIM) > 0)
+    {
       // Skip wrong lines
       if (!isdigit (line[0]))
 	continue;
@@ -54,22 +60,18 @@ int main(int argc,char *argv[])
 	continue;
 
       // Scan line
-    sscanf(line,"%02d%03d%02d%04d%02d%02d%02d%02d%02d%02d%03d",&intidy,&intido,
+      sscanf (line, "%02d%03d%02d%04d%02d%02d%02d%02d%02d%02d%03d", &intidy,
-	   &piece,
+	      &intido, &piece, &site, &year, &month, &day, &hour, &min, &sec,
-	   &site,
-	   &year,
-	   &month,
-	   &day,
-	   &hour,
-	   &min,
-	   &sec,
 	      &fsec);
       sscanf (line + 27, "%f", &csec);
       sscanf (line + 33, "%1d", &format);
-    if (format==2) {
+      if (format == 2)
+	{
 	  sscanf (line + 34, "%02d%02d%d", &rah, &ram, &rafm);
 	  sscanf (line + 42, "%c%02d%02d%d", &sign, &ded, &dem, &defm);
-    } else if (format==3) {
+	}
+      else if (format == 3)
+	{
 	  sscanf (line + 34, "%02d%02d%d", &rah, &ram, &rafm);
 	  sscanf (line + 42, "%c%02d%02d", &sign, &ded, &dem);
 	}
@@ -83,21 +85,27 @@ int main(int argc,char *argv[])
 	year += 2000;
 
       // Format designation
-    if (piece<26) {
+      if (piece < 26)
+	{
 	  sprintf (desig, "%02d %03d%c", intidy, intido, piece + 'A' - 1);
 	  sprintf (pdesig, "%02d%03d%c", intidy, intido, piece + 'A' - 1);
-    } else {
+	}
+      else
+	{
 	  fprintf (stderr, "Failed to understand designation!\n");
 	  fprintf (stderr, "%s\n", line);
 	  continue;
 	}
 
       // Test data format
-    if (format==3) {
+      if (format == 3)
+	{
 	  x = dem * 0.6;
 	  dem = (int) floor (x);
 	  defm = (int) (100.0 * (x - dem));
-    } else if (format!=2) {
+	}
+      else if (format != 2)
+	{
 	  fprintf (stderr, "Angle format not implemented!\n");
 	  fprintf (stderr, "%s\n", line);
 	  continue;
@@ -141,8 +149,12 @@ int main(int argc,char *argv[])
       satno = find_satno (pdesig);
 
       // Format IOD line
-    printf("%05d %s   %04d G %04d%02d%02d%02d%02d%02d%03d %1.0f%1.0f %d%d ",satno,desig,site,year,month,day,hour,min,sec,fsec,tm,tx,format,epoch);
+      printf
-    printf("%02d%02d%03d%c%02d%02d%02d %1.0f%1.0f\n",rah,ram,rafm,sign,ded,dem,defm,am,ax);
+	("%05d %s   %04d G %04d%02d%02d%02d%02d%02d%03d %1.0f%1.0f %d%d ",
+	 satno, desig, site, year, month, day, hour, min, sec, fsec, tm, tx,
+	 format, epoch);
+      printf ("%02d%02d%03d%c%02d%02d%02d %1.0f%1.0f\n", rah, ram, rafm, sign,
+	      ded, dem, defm, am, ax);
     }
   fclose (file);
 
@@ -150,7 +162,8 @@ int main(int argc,char *argv[])
 }
 
 // Read a line of maximum length int lim from file FILE into string s
-int fgetline(FILE *file,char *s,int lim)
+int
+fgetline (FILE * file, char *s, int lim)
 {
   int c, i = 0;
 
@@ -161,4 +174,3 @@ int fgetline(FILE *file,char *s,int lim)
   s[i] = '\0';
   return i;
 }
-

src/vadd.c

@@ -18,28 +18,33 @@
 extern double SGDP4_jd0;
 
 // Dot product
-float dot(xyz_t a,xyz_t b)
+float
+dot (xyz_t a, xyz_t b)
 {
   return a.x * b.x + a.y * b.y + a.z * b.z;
 }
 
 // Return x modulo y [0,y)
-double modulo(double x,double y)
+double
+modulo (double x, double y)
 {
   x = fmod (x, y);
-  if (x<0.0) x+=y;
+  if (x < 0.0)
+    x += y;
 
   return x;
 }
 
 // Magnitude
-double magnitude(xyz_t a)
+double
+magnitude (xyz_t a)
 {
   return sqrt (dot (a, a));
 }
 
 // Cross product
-xyz_t cross(xyz_t a,xyz_t b)
+xyz_t
+cross (xyz_t a, xyz_t b)
 {
   xyz_t c;
 
@@ -51,7 +56,8 @@ xyz_t cross(xyz_t a,xyz_t b)
 }
 
 // Compute Date from Julian Day
-void mjd2date(double mjd,int *year,int *month,double *day)
+void
+mjd2date (double mjd, int *year, int *month, double *day)
 {
   double f, jd;
   int z, alpha, a, b, c, d, e;
@@ -64,7 +70,8 @@ void mjd2date(double mjd,int *year,int *month,double *day)
 
   if (z < 2299161)
     a = z;
-  else {
+  else
+    {
       alpha = floor ((z - 1867216.25) / 36524.25);
       a = z + 1 + alpha - floor (alpha / 4.);
     }
@@ -88,7 +95,8 @@ void mjd2date(double mjd,int *year,int *month,double *day)
 }
 
 // MJD to DOY
-double mjd2doy(double mjd,int *yr)
+double
+mjd2doy (double mjd, int *yr)
 {
   int year, month, k = 2;
   double day, doy;
@@ -98,7 +106,8 @@ double mjd2doy(double mjd,int *yr)
   if (year % 4 == 0 && year % 400 != 0)
     k = 1;
 
-  doy=floor(275.0*month/9.0)-k*floor((month+9.0)/12.0)+day-30;
+  doy =
+    floor (275.0 * month / 9.0) - k * floor ((month + 9.0) / 12.0) + day - 30;
 
   *yr = year;
 
@@ -106,7 +115,8 @@ double mjd2doy(double mjd,int *yr)
 }
 
 // Clasical elements
-orbit_t classel(int ep_year,double ep_day,xyz_t r,xyz_t v)
+orbit_t
+classel (int ep_year, double ep_day, xyz_t r, xyz_t v)
 {
   int i;
   double rm, vm, vm2, rvm, mu = 1.0;;
@@ -153,7 +163,8 @@ orbit_t classel(int ep_year,double ep_day,xyz_t r,xyz_t v)
     peri += 360.0;
 
   // Elliptic motion
-  if (ecc<1.0) {
+  if (ecc < 1.0)
+    {
       xp = (chi - rm) / ecc;
       yp = rvm / ecc * sqrt (chi / mu);
       b = a * sqrt (1.0 - ecc * ecc);
@@ -182,7 +193,8 @@ orbit_t classel(int ep_year,double ep_day,xyz_t r,xyz_t v)
   return orb;
 }
 
-orbit_t rv2el(int satno,double mjd,xyz_t r0,xyz_t v0)
+orbit_t
+rv2el (int satno, double mjd, xyz_t r0, xyz_t v0)
 {
   int i, imode;
   orbit_t orb[5], orb1[5];
@@ -199,7 +211,8 @@ orbit_t rv2el(int satno,double mjd,xyz_t r0,xyz_t v0)
   orb[0] = classel (ep_year, ep_day, r0, v0);
   orb[0].satno = satno;
 
-  for (i=0;i<4;i++) {
+  for (i = 0; i < 4; i++)
+    {
       // Propagate
       imode = init_sgdp4 (&orb[i]);
       imode = satpos_xyz (mjd + 2400000.5, &r, &v);
@@ -235,30 +248,44 @@ orbit_t rv2el(int satno,double mjd,xyz_t r0,xyz_t v0)
 }
 
 // Format TLE
-void format_tle(orbit_t orb,char *line1,char *line2)
+void
+format_tle (orbit_t orb, char *line1, char *line2)
 {
   int i, csum;
   char sbstar[] = " 00000-0", bstar[13];
 
   // Format Bstar term
-  if (fabs(orb.bstar)>1e-9) {
+  if (fabs (orb.bstar) > 1e-9)
+    {
       sprintf (bstar, "%11.4e", 10 * orb.bstar);
-    sbstar[0] = bstar[0];  sbstar[1] = bstar[1];  sbstar[2] = bstar[3];  sbstar[3] = bstar[4];
+      sbstar[0] = bstar[0];
-    sbstar[4] = bstar[5];  sbstar[5] = bstar[6];  sbstar[6] = bstar[8];  sbstar[7] = bstar[10];  sbstar[8] = '\0';
+      sbstar[1] = bstar[1];
+      sbstar[2] = bstar[3];
+      sbstar[3] = bstar[4];
+      sbstar[4] = bstar[5];
+      sbstar[5] = bstar[6];
+      sbstar[6] = bstar[8];
+      sbstar[7] = bstar[10];
+      sbstar[8] = '\0';
     }
   // Print lines
-  sprintf(line1,"1 %05dU %-8s %2d%012.8f  .00000000  00000-0 %8s 0    0",orb.satno,orb.desig,orb.ep_year-2000,orb.ep_day,sbstar);
+  sprintf (line1, "1 %05dU %-8s %2d%012.8f  .00000000  00000-0 %8s 0    0",
-  sprintf(line2,"2 %05d %8.4f %8.4f %07.0f %8.4f %8.4f %11.8f    0",orb.satno,DEG(orb.eqinc),DEG(orb.ascn),1E7*orb.ecc,DEG(orb.argp),DEG(orb.mnan),orb.rev);
+	   orb.satno, orb.desig, orb.ep_year - 2000, orb.ep_day, sbstar);
+  sprintf (line2, "2 %05d %8.4f %8.4f %07.0f %8.4f %8.4f %11.8f    0",
+	   orb.satno, DEG (orb.eqinc), DEG (orb.ascn), 1E7 * orb.ecc,
+	   DEG (orb.argp), DEG (orb.mnan), orb.rev);
 
   // Compute checksums
-  for (i=0,csum=0;i<strlen(line1);i++) {
+  for (i = 0, csum = 0; i < strlen (line1); i++)
+    {
       if (isdigit (line1[i]))
 	csum += line1[i] - '0';
       else if (line1[i] == '-')
 	csum++;
     }
   sprintf (line1, "%s%d", line1, csum % 10);
-  for (i=0,csum=0;i<strlen(line2);i++) {
+  for (i = 0, csum = 0; i < strlen (line2); i++)
+    {
       if (isdigit (line2[i]))
 	csum += line2[i] - '0';
       else if (line2[i] == '-')
@@ -270,7 +297,8 @@ void format_tle(orbit_t orb,char *line1,char *line2)
 }
 
 // Present nfd
-void nfd_now(char *s)
+void
+nfd_now (char *s)
 {
   time_t rawtime;
   struct tm *ptm;
@@ -279,18 +307,22 @@ void nfd_now(char *s)
   time (&rawtime);
   ptm = gmtime (&rawtime);
 
-  sprintf(s,"%04d-%02d-%02dT%02d:%02d:%02d",ptm->tm_year+1900,ptm->tm_mon+1,ptm->tm_mday,ptm->tm_hour,ptm->tm_min,ptm->tm_sec);
+  sprintf (s, "%04d-%02d-%02dT%02d:%02d:%02d", ptm->tm_year + 1900,
+	   ptm->tm_mon + 1, ptm->tm_mday, ptm->tm_hour, ptm->tm_min,
+	   ptm->tm_sec);
 
   return;
 }
 
 // Compute Julian Day from Date
-double date2mjd(int year,int month,double day)
+double
+date2mjd (int year, int month, double day)
 {
   int a, b;
   double jd;
 
-  if (month<3) {
+  if (month < 3)
+    {
       year--;
       month += 12;
     }
@@ -298,22 +330,29 @@ double date2mjd(int year,int month,double day)
   a = floor (year / 100.);
   b = 2. - a + floor (a / 4.);
 
-  if (year<1582) b=0;
+  if (year < 1582)
-  if (year==1582 && month<10) b=0;
+    b = 0;
-  if (year==1582 && month==10 && day<=4) b=0;
+  if (year == 1582 && month < 10)
+    b = 0;
+  if (year == 1582 && month == 10 && day <= 4)
+    b = 0;
 
-  jd=floor(365.25*(year+4716))+floor(30.6001*(month+1))+day+b-1524.5;
+  jd =
+    floor (365.25 * (year + 4716)) + floor (30.6001 * (month + 1)) + day + b -
+    1524.5;
 
   return jd - 2400000.5;
 }
 
 // nfd2mjd
-double nfd2mjd(char *date)
+double
+nfd2mjd (char *date)
 {
   int year, month, day, hour, min, sec;
   double mjd, dday;
 
-  sscanf(date,"%04d-%02d-%02dT%02d:%02d:%02d",&year,&month,&day,&hour,&min,&sec);
+  sscanf (date, "%04d-%02d-%02dT%02d:%02d:%02d", &year, &month, &day, &hour,
+	  &min, &sec);
   dday = day + hour / 24.0 + min / 1440.0 + sec / 86400.0;
 
   mjd = date2mjd (year, month, dday);
@@ -321,15 +360,18 @@ double nfd2mjd(char *date)
   return mjd;
 }
 
-void usage(void)
+void
+usage (void)
 {
-  printf("propagate c:i:t:m:\n\nPropagates orbital elements to a new epoch using the SGP4/SDP4 model.\nDefault operation propagates classfd.tle to now,\n\n-c  input catalog\n-i  Satellite number\n-t  New epoch (YYYY-MM-DDTHH:MM:SS)\n-m  New epoch (MJD)\n");
+  printf
+    ("propagate c:i:t:m:\n\nPropagates orbital elements to a new epoch using the SGP4/SDP4 model.\nDefault operation propagates classfd.tle to now,\n\n-c  input catalog\n-i  Satellite number\n-t  New epoch (YYYY-MM-DDTHH:MM:SS)\n-m  New epoch (MJD)\n");
 
   return;
 }
 
 
-int main(int argc,char *argv[])
+int
+main (int argc, char *argv[])
 {
   int imode, satno = 0, arg, satnomin, flag = 0, satnonew = -1;
   FILE *file;
@@ -351,8 +393,10 @@ int main(int argc,char *argv[])
   mjd = nfd2mjd (nfd);
 
   // Decode options
-  while ((arg=getopt(argc,argv,"c:i:t:m:hv:d:I:"))!=-1) {
+  while ((arg = getopt (argc, argv, "c:i:t:m:hv:d:I:")) != -1)
-    switch (arg) {
+    {
+      switch (arg)
+	{
 
 	case 't':
 	  strcpy (nfd, optarg);
@@ -399,7 +443,8 @@ int main(int argc,char *argv[])
 
   // Open file
   file = fopen (tlefile, "r");
-  while (read_twoline(file,satno,&orb)==0) {
+  while (read_twoline (file, satno, &orb) == 0)
+    {
       format_tle (orb, line1, line2);
       strcpy (desig, orb.desig);
 
@@ -411,19 +456,26 @@ int main(int argc,char *argv[])
       n = cross (r, v);
 
       // Add velocity
-    if (strcmp(direction,"prograde")==0) {
+      if (strcmp (direction, "prograde") == 0)
+	{
 	  dv.x = vadd * v.x / magnitude (v);
 	  dv.y = vadd * v.y / magnitude (v);
 	  dv.z = vadd * v.z / magnitude (v);
-    } else if (strcmp(direction,"radial")==0) {
+	}
+      else if (strcmp (direction, "radial") == 0)
+	{
 	  dv.x = vadd * r.x / magnitude (r);
 	  dv.y = vadd * r.y / magnitude (r);
 	  dv.z = vadd * r.z / magnitude (r);
-    } else if (strcmp(direction,"normal")==0) {
+	}
+      else if (strcmp (direction, "normal") == 0)
+	{
 	  dv.x = vadd * n.x / magnitude (n);
 	  dv.y = vadd * n.y / magnitude (n);
 	  dv.z = vadd * n.z / magnitude (n);
-    } else {
+	}
+      else
+	{
 	  dv.x = 0.0;
 	  dv.y = 0.0;
 	  dv.z = 0.0;
@@ -435,16 +487,20 @@ int main(int argc,char *argv[])
       // Convert
       orb = rv2el (orb.satno, mjd, r, v);
 
-    if (satnonew==-1) {
+      if (satnonew == -1)
+	{
 	  strcpy (orb.desig, desig);
-    } else {
+	}
+      else
+	{
 	  strcpy (orb.desig, "15999A");
 	  orb.satno = satnonew;
 	}
 
       // Print tle
       format_tle (orb, line1, line2);
-    printf("%s\n%s\n# %05d + %g m/s %s\n",line1,line2,satno,vadd,direction);
+      printf ("%s\n%s\n# %05d + %g m/s %s\n", line1, line2, satno, vadd,
+	      direction);
     }
   fclose (file);
 

src/versafit.c

@@ -23,7 +23,9 @@ double parabolic_root(double,double,double,double);
 //    tol:    tolerance
 //    opt:    options
 //            - n: no output
-void versafit(int m,int n,double *a,double *da,double (*func)(double *),double dchisq,double tol,char *opt)
+void
+versafit (int m, int n, double *a, double *da, double (*func) (double *),
+	  double dchisq, double tol, char *opt)
 {
   int i, j, k, l, nfunk, kmax = 50;
   double chisqmin;
@@ -32,19 +34,23 @@ void versafit(int m,int n,double *a,double *da,double (*func)(double *),double d
   double d[2], errcomp;
 
   // Decode options
-  if (strchr(opt,'n')!=NULL) OUTPUT=0;
+  if (strchr (opt, 'n') != NULL)
-  if (strchr(opt,'e')!=NULL) ERRCOMP=1;
+    OUTPUT = 0;
+  if (strchr (opt, 'e') != NULL)
+    ERRCOMP = 1;
 
   // Intialize y
   y = (double *) malloc (sizeof (double) * (n + 1));
 
-  if (dchisq>=0.) {
+  if (dchisq >= 0.)
+    {
       // Compute simplex and minimize function
       p = simplex (n, a, da);
       nfunk = dsmin (p, y, n, tol, func);
 
       // Average parameters
-    for (i=0;i<n;i++) {
+      for (i = 0; i < n; i++)
+	{
 	  a[i] = 0.;
 	  for (j = 0; j <= n; j++)
 	    a[i] += p[j][i];
@@ -55,11 +61,13 @@ void versafit(int m,int n,double *a,double *da,double (*func)(double *),double d
       chisqmin = func (a);
 
       // Compute error compensation
-    if (ERRCOMP) errcomp=sqrt(chisqmin/(double) (m-n));
+      if (ERRCOMP)
+	errcomp = sqrt (chisqmin / (double) (m - n));
     }
 
   // Basic Information
-  if (OUTPUT) {
+  if (OUTPUT)
+    {
       printf ("VersaFIT:\n");
       if (m != 0)
 	printf ("Number of datapoints: %i\n", m);
@@ -67,33 +75,40 @@ void versafit(int m,int n,double *a,double *da,double (*func)(double *),double d
       printf ("Chi-squared: %14.5f\n", chisqmin);
       if (m != 0)
 	printf ("Reduced Chi-squared: %14.5f\n", chisqmin / (double) (m - n));
-    if (ERRCOMP) printf("Error compensation: %.4f\n",errcomp);
+      if (ERRCOMP)
+	printf ("Error compensation: %.4f\n", errcomp);
       printf ("Number of iterations: %i\n", nfunk);
 
       printf ("\nParameters:\n");
 
       // No error estimation
-    if (dchisq==0.) {
+      if (dchisq == 0.)
+	{
 	  for (i = 0; i < n; i++)
 	    printf (" a(%i): %12.5f\n", i + 1, a[i]);
 	}
     }
 
   // With error estimation
-  if (dchisq!=0.) {
+  if (dchisq != 0.)
+    {
       b = (double *) malloc (sizeof (double) * n);
       db = (double *) malloc (sizeof (double) * n);
 
-    for (i=0;i<n;i++) {
+      for (i = 0; i < n; i++)
-      if (da[i]!=0.) {
+	{
-	for (j=0;j<n;j++) {
+	  if (da[i] != 0.)
+	    {
+	      for (j = 0; j < n; j++)
+		{
 		  b[j] = a[j];
 		  db[j] = da[j];
 		}
 	      d[0] = -da[i];
 	      db[i] = 0.;
 
-	for (k=0;k<kmax;k++) {
+	      for (k = 0; k < kmax; k++)
+		{
 		  b[i] = a[i] + d[0];
 
 		  // Minimize
@@ -101,7 +116,8 @@ void versafit(int m,int n,double *a,double *da,double (*func)(double *),double d
 		  nfunk += dsmin (p, y, n, tol, func);
 
 		  // Average parameters
-	  for (l=0;l<n;l++) {
+		  for (l = 0; l < n; l++)
+		    {
 		      b[l] = 0.;
 		      for (j = 0; j <= n; j++)
 			b[l] += p[j][l];
@@ -109,13 +125,15 @@ void versafit(int m,int n,double *a,double *da,double (*func)(double *),double d
 		    }
 		  d[0] = parabolic_root (d[0], func (b), chisqmin, dchisq);
 
-	  if (fabs(chisqmin+dchisq-func(b))<tol) break;
+		  if (fabs (chisqmin + dchisq - func (b)) < tol)
+		    break;
 		}
 
 	      d[1] = -d[0];
 	      db[i] = 0.;
 
-	for (k=0;k<kmax;k++) {
+	      for (k = 0; k < kmax; k++)
+		{
 		  b[i] = a[i] + d[1];
 
 		  // Minimize
@@ -123,7 +141,8 @@ void versafit(int m,int n,double *a,double *da,double (*func)(double *),double d
 		  nfunk += dsmin (p, y, n, tol, func);
 
 		  // Average parameters
-	  for (l=0;l<n;l++) {
+		  for (l = 0; l < n; l++)
+		    {
 		      b[l] = 0.;
 		      for (j = 0; j <= n; j++)
 			b[l] += p[j][l];
@@ -131,10 +150,12 @@ void versafit(int m,int n,double *a,double *da,double (*func)(double *),double d
 		    }
 		  d[1] = parabolic_root (d[1], func (b), chisqmin, dchisq);
 
-	  if (fabs(chisqmin+dchisq-func(b))<tol) break;
+		  if (fabs (chisqmin + dchisq - func (b)) < tol)
+		    break;
 		}
 	      da[i] = 0.5 * (fabs (d[0]) + fabs (d[1]));
-	if (ERRCOMP) da[i]*=errcomp;
+	      if (ERRCOMP)
+		da[i] *= errcomp;
 	    }
 	}
 
@@ -142,7 +163,8 @@ void versafit(int m,int n,double *a,double *da,double (*func)(double *),double d
 	for (i = 0; i < n; i++)
 	  printf (" a(%i): %12.5f +- %9.5f\n", i + 1, a[i], da[i]);
     }
-  if (OUTPUT) printf("\nTotal number of iterations: %i\n",nfunk);
+  if (OUTPUT)
+    printf ("\nTotal number of iterations: %i\n", nfunk);
 
   //  free(p);
   //  free(y);
@@ -153,11 +175,13 @@ void versafit(int m,int n,double *a,double *da,double (*func)(double *),double d
 }
 
 // Compute root
-double parabolic_root(double x,double y,double y0,double dy)
+double
+parabolic_root (double x, double y, double y0, double dy)
 {
   double a;
 
-  if (fabs(x)<1e-9) {
+  if (fabs (x) < 1e-9)
+    {
       printf ("Division by zero in function 'parabolic_root'\n");
       x = 1e-9;
     }

src/waitfor.c

@@ -4,11 +4,13 @@
 #include <math.h>
 #include <sys/time.h>
 
-int main(int argc,char *argv[])
+int
+main (int argc, char *argv[])
 {
   struct timeval tv;
 
-  for (;;) {
+  for (;;)
+    {
       gettimeofday (&tv, 0);
       if (tv.tv_usec > 999000)
 	break;

src/wcsfit.c

@@ -12,7 +12,8 @@
 #define R2D 180.0/M_PI
 #define NMAX 4096
 
-struct catalog {
+struct catalog
+{
   int n;
   float x[NMAX], y[NMAX];
   double ra[NMAX], de[NMAX];
@@ -21,7 +22,8 @@ struct catalog {
   float xrms, yrms, rms;
   int usage[NMAX];
 };
-struct image {
+struct image
+{
   int naxis1, naxis2, nframes;
   float *zavg, *zstd, *zmax, *znum;
   double ra0, de0;
@@ -30,21 +32,25 @@ struct image {
   double mjd;
   float *dt;
 };
-struct transformation {
+struct transformation
+{
   double ra0, de0;
   float a[3], b[3];
   float x0, y0;
 };
 int fgetline (FILE * file, char *s, int lim);
-void forward(double ra0,double de0,double ra,double de,double *x,double *y);
+void forward (double ra0, double de0, double ra, double de, double *x,
-void reverse(double ra0,double de0,double x,double y,double *ra,double *de);
+	      double *y);
+void reverse (double ra0, double de0, double x, double y, double *ra,
+	      double *de);
 struct catalog read_catalog (char *filename);
 void lfit2d (float *x, float *y, float *z, int n, float *a);
 void add_fits_keywords (struct transformation t, char *filename);
 struct image read_fits (char *filename);
 
 // Modify FITS keywords
-void modify_fits_keywords(struct transformation t,char *filename) 
+void
+modify_fits_keywords (struct transformation t, char *filename)
 {
   char card[FITS_LINESZ + 1];
   char key[FITS_LINESZ + 1];
@@ -87,7 +93,8 @@ void modify_fits_keywords(struct transformation t,char *filename)
 }
 
 
-int main(int argc,char *argv[])
+int
+main (int argc, char *argv[])
 {
   int i, j, k, l, m;
   struct catalog c;
@@ -114,15 +121,20 @@ int main(int argc,char *argv[])
   t.x0 = (float) img.naxis1 / 2.0;
   t.y0 = (float) img.naxis2 / 2.0;
 
-  for (l=0;l<10;l++) {
+  for (l = 0; l < 10; l++)
-    for (j=0;j<5;j++) {
+    {
+      for (j = 0; j < 5; j++)
+	{
 	  // Transform
-      for (i=0;i<c.n;i++) {
+	  for (i = 0; i < c.n; i++)
+	    {
 	      forward (t.ra0, t.de0, c.ra[i], c.de[i], &c.rx[i], &c.ry[i]);
 	    }
 	  // Select
-      for (i=0,k=0;i<c.n;i++) {
+	  for (i = 0, k = 0; i < c.n; i++)
-	if (c.usage[i]==1) {
+	    {
+	      if (c.usage[i] == 1)
+		{
 		  x[k] = c.x[i];
 		  y[k] = c.y[i];
 		  rx[k] = c.rx[i];
@@ -134,7 +146,8 @@ int main(int argc,char *argv[])
 	  // Fit
 	  lfit2d (x, y, rx, k, t.a);
 	  lfit2d (x, y, ry, k, t.b);
-      printf("%f %f %f %f %f %f %f %f\n",t.ra0,t.de0,t.a[0],t.a[1],t.a[2],t.b[0],t.b[1],t.b[2]);
+	  printf ("%f %f %f %f %f %f %f %f\n", t.ra0, t.de0, t.a[0], t.a[1],
+		  t.a[2], t.b[0], t.b[1], t.b[2]);
 
 	  // Move reference point
 	  reverse (t.ra0, t.de0, t.a[0], t.b[0], &ra0, &de0);
@@ -143,11 +156,16 @@ int main(int argc,char *argv[])
 	}
 
       // Compute and plot residuals
-    for (i=0,c.xrms=0.0,c.yrms=0.0,m=0;i<c.n;i++) {
+      for (i = 0, c.xrms = 0.0, c.yrms = 0.0, m = 0; i < c.n; i++)
-      if (c.usage[i]==1) {
+	{
-	c.xres[i]=c.rx[i]-(t.a[0]+t.a[1]*c.x[i]+t.a[2]*c.y[i]);
+	  if (c.usage[i] == 1)
-	c.yres[i]=c.ry[i]-(t.b[0]+t.b[1]*c.x[i]+t.b[2]*c.y[i]);
+	    {
-	printf("%12.4f %12.4f %12.4f %12.4f %10.4f %10.4f\n",c.x[i],c.y[i],c.rx[i],c.ry[i],c.xres[i],c.yres[i]);
+	      c.xres[i] =
+		c.rx[i] - (t.a[0] + t.a[1] * c.x[i] + t.a[2] * c.y[i]);
+	      c.yres[i] =
+		c.ry[i] - (t.b[0] + t.b[1] * c.x[i] + t.b[2] * c.y[i]);
+	      printf ("%12.4f %12.4f %12.4f %12.4f %10.4f %10.4f\n", c.x[i],
+		      c.y[i], c.rx[i], c.ry[i], c.xres[i], c.yres[i]);
 	      c.res[i] = sqrt (c.xres[i] * c.xres[i] + c.yres[i] * c.yres[i]);
 	      c.xrms += c.xres[i] * c.xres[i];
 	      c.yrms += c.yres[i] * c.yres[i];
@@ -160,12 +178,14 @@ int main(int argc,char *argv[])
       c.rms = sqrt (c.rms / (float) m);
 
       // Deselect outliers
-    for (i=0;i<c.n;i++) {
+      for (i = 0; i < c.n; i++)
+	{
 	  if (c.res[i] > 2 * c.rms)
 	    c.usage[i] = 0;
 	}
     }
-  printf("%12.8lf %10.6lf %10.6lf %8.4f %8.4f %8.4f %8.4f\n",img.mjd,t.ra0,t.de0,t.a[1],t.a[2],t.b[1],t.b[2]);
+  printf ("%12.8lf %10.6lf %10.6lf %8.4f %8.4f %8.4f %8.4f\n", img.mjd, t.ra0,
+	  t.de0, t.a[1], t.a[2], t.b[1], t.b[2]);
   printf ("%d/%d %f %f %f\n", m, c.n, c.xrms, c.yrms, c.rms);
 
   //  add_fits_keywords(t,"test.fits");
@@ -175,7 +195,8 @@ int main(int argc,char *argv[])
 }
 
 // Read a line of maximum length int lim from file FILE into string s
-int fgetline(FILE *file,char *s,int lim)
+int
+fgetline (FILE * file, char *s, int lim)
 {
   int c, i = 0;
 
@@ -188,7 +209,8 @@ int fgetline(FILE *file,char *s,int lim)
 }
 
 // Read catalog
-struct catalog read_catalog(char *filename)
+struct catalog
+read_catalog (char *filename)
 {
   int i = 0;
   char line[LIM];
@@ -196,7 +218,8 @@ struct catalog read_catalog(char *filename)
   struct catalog c;
 
   file = fopen (filename, "r");
-  while (fgetline(file,line,LIM)>0) {
+  while (fgetline (file, line, LIM) > 0)
+    {
       sscanf (line, "%f %f %lf %lf", &c.x[i], &c.y[i], &c.ra[i], &c.de[i]);
       c.usage[i] = 1;
 
@@ -209,7 +232,8 @@ struct catalog read_catalog(char *filename)
 }
 
 // Linear 2D fit
-void lfit2d(float *x,float *y,float *z,int n,float *a)
+void
+lfit2d (float *x, float *y, float *z, int n, float *a)
 {
   int i, j, m;
   double chisq;
@@ -224,7 +248,8 @@ void lfit2d(float *x,float *y,float *z,int n,float *a)
   cov = gsl_matrix_alloc (3, 3);
 
   // Fill matrices
-  for(i=0;i<n;i++) {
+  for (i = 0; i < n; i++)
+    {
       gsl_matrix_set (X, i, 0, 1.0);
       gsl_matrix_set (X, i, 1, x[i]);
       gsl_matrix_set (X, i, 2, y[i]);
@@ -252,7 +277,8 @@ void lfit2d(float *x,float *y,float *z,int n,float *a)
 }
 
 // Add FITS keywords
-void add_fits_keywords(struct transformation t,char *filename) 
+void
+add_fits_keywords (struct transformation t, char *filename)
 {
   int i, j, k, l, m;
   int naxis1, naxis2, naxis3;
@@ -278,7 +304,8 @@ void add_fits_keywords(struct transformation t,char *filename)
   ql.xtnum = 0;
   ql.ptype = PTYPE_FLOAT;
   ql.filename = filename;
-  for (k=0,l=0;k<naxis3;k++) {
+  for (k = 0, l = 0; k < naxis3; k++)
+    {
       ql.pnum = k;
       // Initialize load
       if (qfitsloader_init (&ql) != 0)
@@ -288,8 +315,10 @@ void add_fits_keywords(struct transformation t,char *filename)
       if (qfits_loadpix (&ql) != 0)
 	printf ("Error loading actual data\n");
 
-    for (i=0,m=0;i<naxis1;i++) {
+      for (i = 0, m = 0; i < naxis1; i++)
-      for (j=0;j<naxis2;j++) {
+	{
+	  for (j = 0; j < naxis2; j++)
+	    {
 	      fbuf[l] = ql.fbuf[m];
 	      l++;
 	      m++;
@@ -337,7 +366,8 @@ void add_fits_keywords(struct transformation t,char *filename)
 }
 
 // Read fits image
-struct image read_fits(char *filename)
+struct image
+read_fits (char *filename)
 {
   int i, j, k, l, m;
   qfitsloader ql;

src/xyz2tle.c

@@ -17,33 +17,39 @@
 #define AE 1.0
 #define XMNPDA 1440.0
 
-struct data {
+struct data
+{
   int n, nsel;
   struct point *p;
   double chisq, rms;
 } d;
-struct point {
+struct point
+{
   int flag;
   double mjd;
   xyz_t r;
 };
 orbit_t orb;
-void versafit(int m,int n,double *a,double *da,double (*func)(double *),double dchisq,double tol,char *opt);
+void versafit (int m, int n, double *a, double *da, double (*func) (double *),
+	       double dchisq, double tol, char *opt);
 
 // Dot product
-float dot(xyz_t a,xyz_t b)
+float
+dot (xyz_t a, xyz_t b)
 {
   return a.x * b.x + a.y * b.y + a.z * b.z;
 }
 
 // Magnitude
-double magnitude(xyz_t a)
+double
+magnitude (xyz_t a)
 {
   return sqrt (dot (a, a));
 }
 
 // Cross product
-xyz_t cross(xyz_t a,xyz_t b)
+xyz_t
+cross (xyz_t a, xyz_t b)
 {
   xyz_t c;
 
@@ -55,21 +61,25 @@ xyz_t cross(xyz_t a,xyz_t b)
 }
 
 // Return x modulo y [0,y)
-double modulo(double x,double y)
+double
+modulo (double x, double y)
 {
   x = fmod (x, y);
-  if (x<0.0) x+=y;
+  if (x < 0.0)
+    x += y;
 
   return x;
 }
 
 // Compute Julian Day from Date
-double date2mjd(int year,int month,double day)
+double
+date2mjd (int year, int month, double day)
 {
   int a, b;
   double jd;
 
-  if (month<3) {
+  if (month < 3)
+    {
       year--;
       month += 12;
     }
@@ -77,17 +87,23 @@ double date2mjd(int year,int month,double day)
   a = floor (year / 100.);
   b = 2. - a + floor (a / 4.);
 
-  if (year<1582) b=0;
+  if (year < 1582)
-  if (year==1582 && month<10) b=0;
+    b = 0;
-  if (year==1582 && month==10 && day<=4) b=0;
+  if (year == 1582 && month < 10)
+    b = 0;
+  if (year == 1582 && month == 10 && day <= 4)
+    b = 0;
 
-  jd=floor(365.25*(year+4716))+floor(30.6001*(month+1))+day+b-1524.5;
+  jd =
+    floor (365.25 * (year + 4716)) + floor (30.6001 * (month + 1)) + day + b -
+    1524.5;
 
   return jd - 2400000.5;
 }
 
 // Read a line of maximum length int lim from file FILE into string s
-int fgetline(FILE *file,char *s,int lim)
+int
+fgetline (FILE * file, char *s, int lim)
 {
   int c, i = 0;
 
@@ -102,30 +118,44 @@ int fgetline(FILE *file,char *s,int lim)
 }
 
 // Format TLE
-void format_tle(orbit_t orb,char *line1,char *line2)
+void
+format_tle (orbit_t orb, char *line1, char *line2)
 {
   int i, csum;
   char sbstar[] = " 00000-0", bstar[13];
 
   // Format Bstar term
-  if (fabs(orb.bstar)>1e-9) {
+  if (fabs (orb.bstar) > 1e-9)
+    {
       sprintf (bstar, "%11.4e", 10 * orb.bstar);
-    sbstar[0] = bstar[0];  sbstar[1] = bstar[1];  sbstar[2] = bstar[3];  sbstar[3] = bstar[4];
+      sbstar[0] = bstar[0];
-    sbstar[4] = bstar[5];  sbstar[5] = bstar[6];  sbstar[6] = bstar[8];  sbstar[7] = bstar[10];  sbstar[8] = '\0';
+      sbstar[1] = bstar[1];
+      sbstar[2] = bstar[3];
+      sbstar[3] = bstar[4];
+      sbstar[4] = bstar[5];
+      sbstar[5] = bstar[6];
+      sbstar[6] = bstar[8];
+      sbstar[7] = bstar[10];
+      sbstar[8] = '\0';
     }
   // Print lines
-  sprintf(line1,"1 %05dU %-8s %2d%012.8f  .00000000  00000-0 %8s 0    0",orb.satno,orb.desig,orb.ep_year-2000,orb.ep_day,sbstar);
+  sprintf (line1, "1 %05dU %-8s %2d%012.8f  .00000000  00000-0 %8s 0    0",
-  sprintf(line2,"2 %05d %8.4f %8.4f %07.0f %8.4f %8.4f %11.8f%5ld",orb.satno,DEG(orb.eqinc),DEG(orb.ascn),1E7*orb.ecc,DEG(orb.argp),DEG(orb.mnan),orb.rev,orb.norb);
+	   orb.satno, orb.desig, orb.ep_year - 2000, orb.ep_day, sbstar);
+  sprintf (line2, "2 %05d %8.4f %8.4f %07.0f %8.4f %8.4f %11.8f%5ld",
+	   orb.satno, DEG (orb.eqinc), DEG (orb.ascn), 1E7 * orb.ecc,
+	   DEG (orb.argp), DEG (orb.mnan), orb.rev, orb.norb);
 
   // Compute checksums
-  for (i=0,csum=0;i<strlen(line1);i++) {
+  for (i = 0, csum = 0; i < strlen (line1); i++)
+    {
       if (isdigit (line1[i]))
 	csum += line1[i] - '0';
       else if (line1[i] == '-')
 	csum++;
     }
   sprintf (line1, "%s%d", line1, csum % 10);
-  for (i=0,csum=0;i<strlen(line2);i++) {
+  for (i = 0, csum = 0; i < strlen (line2); i++)
+    {
       if (isdigit (line2[i]))
 	csum += line2[i] - '0';
       else if (line2[i] == '-')
@@ -137,7 +167,9 @@ void format_tle(orbit_t orb,char *line1,char *line2)
 }
 
 // Precess a celestial position
-void precess(double mjd0,double ra0,double de0,double mjd,double *ra,double *de)
+void
+precess (double mjd0, double ra0, double de0, double mjd, double *ra,
+	 double *de)
 {
   double t0, t;
   double zeta, z, theta;
@@ -178,7 +210,8 @@ void precess(double mjd0,double ra0,double de0,double mjd,double *ra,double *de)
 }
 
 // Read data file
-struct data read_data(char *filename,double mjd0)
+struct data
+read_data (char *filename, double mjd0)
 {
   int i = 0, status;
   char line[LIM];
@@ -190,7 +223,8 @@ struct data read_data(char *filename,double mjd0)
 
   // Open file
   file = fopen (filename, "r");
-  if (file==NULL) {
+  if (file == NULL)
+    {
       fprintf (stderr, "Failed to open %s\n", filename);
       exit (1);
     }
@@ -208,7 +242,8 @@ struct data read_data(char *filename,double mjd0)
 
   // Read data
   i = 0;
-  while (fgetline(file,line,LIM)>0) {
+  while (fgetline (file, line, LIM) > 0)
+    {
       status = sscanf (line, "%d,%lf,%lf,%lf", &min, &x, &y, &z);
       if (d.n == 1008)
 	min *= 10;
@@ -235,7 +270,8 @@ struct data read_data(char *filename,double mjd0)
 }
 
 // Read tle
-orbit_t read_tle(char *filename,int satno)
+orbit_t
+read_tle (char *filename, int satno)
 {
   int i;
   FILE *file;
@@ -253,7 +289,8 @@ orbit_t read_tle(char *filename,int satno)
 }
 
 // Chi-squared
-double chisq(double *a)
+double
+chisq (double *a)
 {
   int i, imode, n;
   double chisq;
@@ -270,10 +307,13 @@ double chisq(double *a)
 
   if (a[2] < 0.0)
     a[2] = 0.0;
-  if (a[0]<0.0) {
+  if (a[0] < 0.0)
+    {
       a[0] *= -1;
       a[1] += 180.0;
-  } else if (a[0]>180.0) {
+    }
+  else if (a[0] > 180.0)
+    {
       a[0] = 180.0;
     }
   if (a[5] > 20.0)
@@ -296,7 +336,8 @@ double chisq(double *a)
     printf ("Error\n");
 
   // Loop over points
-  for (i=0,chisq=0.0,n=0;i<d.n;i++) {
+  for (i = 0, chisq = 0.0, n = 0; i < d.n; i++)
+    {
       // Skip unflagged positions
       if (d.p[i].flag != 1)
 	continue;
@@ -320,21 +361,27 @@ double chisq(double *a)
   return chisq;
 }
 
-double decode_filename(char *filename,int *satno)
+double
+decode_filename (char *filename, int *satno)
 {
   int year, month, day, hour, min, sec;
   int status;
   double mjd;
 
-  status=sscanf(filename,"%6d_%4d%2d%2d_%2d%2d%2d",satno,&year,&month,&day,&hour,&min,&sec);
+  status =
+    sscanf (filename, "%6d_%4d%2d%2d_%2d%2d%2d", satno, &year, &month, &day,
+	    &hour, &min, &sec);
 
-  mjd=date2mjd(year,month,(double) day+hour/24.0+min/1440.0+sec/86400.0);
+  mjd =
+    date2mjd (year, month,
+	      (double) day + hour / 24.0 + min / 1440.0 + sec / 86400.0);
 
   return mjd;
 }
 
 // Compute Date from Julian Day
-void mjd2date(double mjd,int *year,int *month,double *day)
+void
+mjd2date (double mjd, int *year, int *month, double *day)
 {
   double f, jd;
   int z, alpha, a, b, c, d, e;
@@ -347,7 +394,8 @@ void mjd2date(double mjd,int *year,int *month,double *day)
 
   if (z < 2299161)
     a = z;
-  else {
+  else
+    {
       alpha = floor ((z - 1867216.25) / 36524.25);
       a = z + 1 + alpha - floor (alpha / 4.);
     }
@@ -371,7 +419,8 @@ void mjd2date(double mjd,int *year,int *month,double *day)
 }
 
 // MJD to DOY
-double mjd2doy(double mjd,int *yr)
+double
+mjd2doy (double mjd, int *yr)
 {
   int year, month, k = 2;
   double day, doy;
@@ -381,7 +430,8 @@ double mjd2doy(double mjd,int *yr)
   if (year % 4 == 0 && year % 400 != 0)
     k = 1;
 
-  doy=floor(275.0*month/9.0)-k*floor((month+9.0)/12.0)+day-30;
+  doy =
+    floor (275.0 * month / 9.0) - k * floor ((month + 9.0) / 12.0) + day - 30;
 
   *yr = year;
 
@@ -389,7 +439,8 @@ double mjd2doy(double mjd,int *yr)
 }
 
 // Clasical elements
-orbit_t classel(int ep_year,double ep_day,xyz_t r,xyz_t v)
+orbit_t
+classel (int ep_year, double ep_day, xyz_t r, xyz_t v)
 {
   int i;
   double rm, vm, vm2, rvm, mu = 1.0;;
@@ -436,7 +487,8 @@ orbit_t classel(int ep_year,double ep_day,xyz_t r,xyz_t v)
     peri += 360.0;
 
   // Elliptic motion
-  if (ecc<1.0) {
+  if (ecc < 1.0)
+    {
       xp = (chi - rm) / ecc;
       yp = rvm / ecc * sqrt (chi / mu);
       b = a * sqrt (1.0 - ecc * ecc);
@@ -466,7 +518,8 @@ orbit_t classel(int ep_year,double ep_day,xyz_t r,xyz_t v)
 }
 
 // State vector to SGP4 elements
-orbit_t rv2el(int satno,double mjd,xyz_t r0,xyz_t v0)
+orbit_t
+rv2el (int satno, double mjd, xyz_t r0, xyz_t v0)
 {
   int i, imode;
   orbit_t orb[5], orb1[5];
@@ -483,7 +536,8 @@ orbit_t rv2el(int satno,double mjd,xyz_t r0,xyz_t v0)
   orb[0] = classel (ep_year, ep_day, r0, v0);
   orb[0].satno = satno;
 
-  for (i=0;i<4;i++) {
+  for (i = 0; i < 4; i++)
+    {
       // Propagate
       imode = init_sgdp4 (&orb[i]);
       imode = satpos_xyz (mjd + 2400000.5, &r, &v);
@@ -519,7 +573,8 @@ orbit_t rv2el(int satno,double mjd,xyz_t r0,xyz_t v0)
 }
 
 // Fit
-void fit(orbit_t orb,int *ia)
+void
+fit (orbit_t orb, int *ia)
 {
   int i, n;
   double a[7], da[7];
@@ -538,7 +593,8 @@ void fit(orbit_t orb,int *ia)
   a[5] = orb.rev;
   a[6] = orb.bstar;
 
-  for (i=0;i<7;i++) {
+  for (i = 0; i < 7; i++)
+    {
       if (ia[i] == 1)
 	da[i] = db[i];
       else
@@ -574,7 +630,8 @@ void fit(orbit_t orb,int *ia)
   return;
 }
 
-int main(int argc,char *argv[])
+int
+main (int argc, char *argv[])
 {
   int i, j, k, arg = 0, satno = 0, satname = 0, usecatalog = 0, imode, m = 10;
   long norb;
@@ -587,8 +644,10 @@ int main(int argc,char *argv[])
   FILE *file;
 
   // Decode options
-  while ((arg=getopt(argc,argv,"d:c:i:n:m:"))!=-1) {
+  while ((arg = getopt (argc, argv, "d:c:i:n:m:")) != -1)
-    switch(arg) {
+    {
+      switch (arg)
+	{
 
 	case 'd':
 	  datafile = optarg;
@@ -634,7 +693,8 @@ int main(int argc,char *argv[])
   sprintf (filename, "%06d.xyz", satname);
   file = fopen (filename, "w");
   for (i = 0; i < d.n; i++)
-    fprintf(file,"%lf %f %f %f\n",d.p[i].mjd,d.p[i].r.x,d.p[i].r.y,d.p[i].r.z);
+    fprintf (file, "%lf %f %f %f\n", d.p[i].mjd, d.p[i].r.x, d.p[i].r.y,
+	     d.p[i].r.z);
   fclose (file);
 
   // Open elements
@@ -643,7 +703,8 @@ int main(int argc,char *argv[])
 
   // Estimate orbit
   k = 504;
-  if (usecatalog==0) {
+  if (usecatalog == 0)
+    {
       // Set initial state vector
       r.x = d.p[k].r.x;
       r.y = d.p[k].r.y;
@@ -656,7 +717,9 @@ int main(int argc,char *argv[])
       orb = rv2el (99999, d.p[k].mjd, r, v);
       strcpy (orb.desig, "14999A");
       orb.norb = norb;
-  } else {
+    }
+  else
+    {
       // Read orbit
       orb = read_tle (catalog, satno);
       strcpy (desig, orb.desig);
@@ -678,14 +741,22 @@ int main(int argc,char *argv[])
     d.p[j].flag = 1;
 
   // Fit orbit
-  for (j=0;j<10;j++) {
+  for (j = 0; j < 10; j++)
-    if (j==1) ia[4]=1;
+    {
-    if (j==2) ia[1]=1;
+      if (j == 1)
-    if (j==3) ia[0]=1;
+	ia[4] = 1;
-    if (j==4) ia[5]=1;
+      if (j == 2)
-    if (j==5) ia[3]=1;
+	ia[1] = 1;
-    if (j==6) ia[2]=1;
+      if (j == 3)
-    if (j==7) ia[6]=1;
+	ia[0] = 1;
+      if (j == 4)
+	ia[5] = 1;
+      if (j == 5)
+	ia[3] = 1;
+      if (j == 6)
+	ia[2] = 1;
+      if (j == 7)
+	ia[6] = 1;
       fit (orb, ia);
     }
 
@@ -698,8 +769,12 @@ int main(int argc,char *argv[])
   // Format TLE
   format_tle (orb, line1, line2);
 
-  fprintf(file,"SO %6d                      %4.1f             %7.0fkm  x%7.0fkm\n%s\n%s\n# %d positions, %.1f km rms\n",satname,mag+dm,perigee,apogee,line1,line2,d.nsel,d.rms);
+  fprintf (file,
-  printf("SO %6d                      %4.1f             %7.0fkm  x%7.0fkm\n%s\n%s\n# %d positions, %.1f km rms\n",satname,mag+dm,perigee,apogee,line1,line2,d.nsel,d.rms);
+	   "SO %6d                      %4.1f             %7.0fkm  x%7.0fkm\n%s\n%s\n# %d positions, %.1f km rms\n",
+	   satname, mag + dm, perigee, apogee, line1, line2, d.nsel, d.rms);
+  printf
+    ("SO %6d                      %4.1f             %7.0fkm  x%7.0fkm\n%s\n%s\n# %d positions, %.1f km rms\n",
+     satname, mag + dm, perigee, apogee, line1, line2, d.nsel, d.rms);
 
   // Close output file
   fclose (file);