time.hpp

#ifndef SRC_COMMON_TIME_TIME_HPP_
#define SRC_COMMON_TIME_TIME_HPP_
 
#include <ctime>
 
#include "common/decimal.hpp"
 
namespace found {
 
// Average Delta UT1 in seconds, based on USNO data
#define AVG_DELTA_UT1 0.087497
 
struct DateTime {
    std::time_t epochs;
    int year;
    int month;
    int day;
    int hour;
    int minute;
    int second;
};
 
DateTime getUTCTime();
 
DateTime getUT1Time();
 
decimal getJulianDateTime(std::time_t epochs);
 
decimal getJulianDateTime(DateTime &time);
 
decimal getCurrentJulianDateTime();
 
decimal getGreenwichMeanSiderealTime(std::time_t epochs);
 
decimal getGreenwichMeanSiderealTime(DateTime &time);
 
decimal getCurrentGreenwichMeanSiderealTime();
 
}  // namespace found
 
#endif  // SRC_COMMON_TIME_TIME_HPP_