double Astronomy::getJulianDayFromGregorianDateTime(
int year, int month, int day,
double secondsFromMidnight)
{
int jdn = getJulianDayFromGregorianDate(year, month, day);
double jd = jdn + secondsFromMidnight / 86400.0 - 0.5;
return jd;
}
double Astronomy::getJulianDayFromGregorianDateTime(
int year, int month, int day,
int hour, int minute, double second)
{
int jdn = getJulianDayFromGregorianDate (year, month, day);
// These are NOT integer divisions.
double jd = jdn + (hour - 12) / 24.0 + minute / 1440.0 + second / 86400.0;
return jd;
}
LongReal Astronomy::getJulianDayFromGregorianDateTime(
int year, int month, int day,
int hour, int minute, LongReal second)
{
ScopedHighPrecissionFloatSwitch precissionSwitch;
int jdn = getJulianDayFromGregorianDate (year, month, day);
// These are NOT integer divisions.
LongReal jd = jdn + (hour - 12) / 24.0 + minute / 1440.0 + second / 86400.0;
return jd;
}
