cal_to_jd -- Converts from a supported calendar to Julian Day Count
Description
int
cal_to_jd
( int calendar, int month, int day, int year )
cal_to_jd()
calculates the Julian day count
for a date in the specified
calendar
.
Supported
calendar
s are
CAL_GREGORIAN
,
CAL_JULIAN
,
CAL_JEWISH
and
CAL_FRENCH
.