Time handling constants

Collaboration diagram for Time handling constants:

Macros
#define	MJD_UNIX_OFFSET   40587.
#define	JD_MJD_OFFSET   2400000.5
#define	MJD2JD(mjd)   (double)((mjd) + JD_MJD_OFFSET)
#define	JD2MJD(jd)   (double)((jd) - JD_MJD_OFFSET)
#define	DAY_TO_SECONDS   86400.
#define	SECONDS_TO_DAYS(x)   ((double)(x) / DAY_TO_SECONDS)
#define	DAYS_TO_SECONDS(x)   ((double)(x) * DAY_TO_SECONDS)
#define	TIME_SECS_TO_DAYS(x)   ((double)(x) / DAY_TO_SECONDS)
#define	TIME_DAYS_TO_SECS(x)   ((double)(x) * DAY_TO_SECONDS)
#define	TIME_SECS_SINCE_MJD(x)   ( ( (currentmjd(0.)-(x)) ) * DAY_TO_SECONDS )
#define	TIME_UNIXs_TO_MJD(unixSecs)   ( ( (unixSecs) / DAY_TO_SECONDS ) + MJD_UNIX_OFFSET )
#define	TIME_MJD_TO_UNIXs(mjd)   (((mjd) - MJD_UNIX_OFFSET) * DAY_TO_SECONDS)
#define	TIME_UNIX_TV_TO_DOUBLE_SECS(x)   ( ((double)(x.tv_sec)) + ((double)(x.tv_usec) / 1000000. ) )
#define	UPTIME   (DAY_TO_SECONDS*(currentmjd(0.)-mjd_start_time))

Detailed Description

Macro Definition Documentation

#define MJD_UNIX_OFFSET   40587.

#define JD_MJD_OFFSET   2400000.5

#define MJD2JD

(

mjd

)

(double)((mjd) + JD_MJD_OFFSET)

#define JD2MJD

(

jd

)

(double)((jd) - JD_MJD_OFFSET)

#define DAY_TO_SECONDS   86400.

#define SECONDS_TO_DAYS

(

x

)

((double)(x) / DAY_TO_SECONDS)

#define DAYS_TO_SECONDS

(

x

)

((double)(x) * DAY_TO_SECONDS)

#define TIME_SECS_TO_DAYS

(

x

)

((double)(x) / DAY_TO_SECONDS)

#define TIME_DAYS_TO_SECS

(

x

)

((double)(x) * DAY_TO_SECONDS)

#define TIME_SECS_SINCE_MJD

(

x

)

( ( (currentmjd(0.)-(x)) ) * DAY_TO_SECONDS )

#define TIME_UNIXs_TO_MJD

(

unixSecs

)

( ( (unixSecs) / DAY_TO_SECONDS ) + MJD_UNIX_OFFSET )

#define TIME_MJD_TO_UNIXs

(

mjd

)

(((mjd) - MJD_UNIX_OFFSET) * DAY_TO_SECONDS)

#define TIME_UNIX_TV_TO_DOUBLE_SECS

(

x

)

( ((double)(x.tv_sec)) + ((double)(x.tv_usec) / 1000000. ) )

#define UPTIME   (DAY_TO_SECONDS*(currentmjd(0.)-mjd_start_time))