43 lines
893 B
C
43 lines
893 B
C
// Compute decimal from sexagesimal
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
#include <stdlib.h>
|
|
#include <math.h>
|
|
|
|
// Usage: s2dec [options] hh:mm:ss.ss
|
|
int main(int argc,char *argv[])
|
|
{
|
|
double x;
|
|
int sign=1;
|
|
float deg,min,sec;
|
|
char t[20],c;
|
|
|
|
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("Options: -r Converts hours into degrees\n");
|
|
|
|
return -1;
|
|
}
|
|
|
|
// Get Sexagesimal string
|
|
strcpy(t,argv[--argc]);
|
|
if (t[0]=='-') sign=-1;
|
|
|
|
deg=fabs(atof(strtok(t," :,")));
|
|
min=fabs(atof(strtok(NULL," :,")));
|
|
sec=fabs(atof(strtok(NULL," :,")));
|
|
|
|
x=(double) deg+(double) min/60.+(double) sec/3600.;
|
|
|
|
// Get Options
|
|
while (--argc > 0 && (*++argv)[0] == '-') {
|
|
while (c = *++argv[0]) {
|
|
if (c == 'r')
|
|
x *= 15.;
|
|
}
|
|
}
|
|
printf("%lf\n",sign*x);
|
|
|
|
return 0;
|
|
}
|