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geo-improv2
bert hubert 2019-09-24 21:16:50 +02:00
parent 15b9dd5f70
commit 8dcdf6df26
1 changed files with 2 additions and 1 deletions
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galileo.hh
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@ -179,11 +179,12 @@ struct GalileoMessage
std::pair<double, double> getAtomicOffset(int tow) const
{
int delta = ephAge(tow, getT0c());
// 2^-34 2^-46 2^-59
double cur = af0 + ldexp(1.0*delta*af1, -12) + ldexp(1.0*delta*delta*af2, -25);
double trend = ldexp(af1, -12) + ldexp(2.0*delta*af2, -25);
// now in units of 2^-34 seconds, which are ~0.058 nanoseconds each
double factor = ldexp(1000000000, -34);
double factor = ldexp(1000000000.0, -34);
return {factor * cur, factor * trend};
}