SLA_DTF2D - Hour,Min,Sec to Days

ACTION:

Convert hours, minutes, seconds to days (double precision).

CALL:

CALL sla_DTF2D (IHOUR, IMIN, SEC, DAYS, J)

GIVEN:

IHOUR	I	hours
IMIN	I	minutes
SEC	D	seconds

RETURNED:

DAYS	D	interval in days
J	I	status:
		0 = OK
		1 = IHOUR outside range 0-23
		2 = IMIN outside range 0-59
		3 = SEC outside range 0-59.999$\cdots$

NOTES:

1. The result is computed even if any of the range checks fail.
2. The sign must be dealt with outside this routine.