TIME2SEC() and time2secc()

Fortran version:

    INTEGER FUNCTION  TIME2SEC( DTIME )
        INTEGER, INTENT(IN   ) :: DTIME    	!  time interval H*MMSS

C version:

    int time2secc( int  dtime ) ;

Summary:

Returns the number of seconds in the time interval DTIME. DTIME may be positive or negative (in which latter case, its hour, minutes, and seconds fields are assumed to be all negative or zero). Note that the DTIME H*MMSS-encoding suffers INTEGER-overflow for time periods exceeding approximately 24.5 years.

For Fortran-90 declarations and interface checking:

    USE M3UTILIO

Preconditions:

#include "iodecl3.h" for C.

DTIME represented H*MMSS = 100 * ( 100 * HOURS + MINS ) + SECS
Either HOURS, MINS, SECS >= 0, or HOURS, MINS, SECS <= 0.

Fortran Usage:

    ...
    USE M3UTILIO
    ...
    INTEGER   SECS
    ...
    SECS = TIME2SEC( 12345 )
C	    Now SECS is the number of seconds in the time interval
C           1 hour, 23 minutes and 45 seconds
    ...

C Usage:

    ...
    #include "iodecl3.h"                          
    ...
    int  secs ;
    ...
    secs = time2secc( 123456 ) ;
            /*  Now secs is the number of seconds in the time
                interval  12 hours 34 minutes and 56 seconds  */
    ...

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