pkg/cal/cal_toseconds.F

C $Header: /u/u0/gcmpack/MITgcm/pkg/cal/cal_toseconds.F,v 1.1 2001/05/14 22:07:27 heimbach Exp $

#include "CAL_CPPOPTIONS.h"

      subroutine cal_ToSeconds(
     I                          date,
     O                          timeint,
     I                          mythid
     &                        )

c     ==================================================================
c     SUBROUTINE cal_ToSeconds
c     ==================================================================
c
c     o Given a time interval as a date array return the number of
c       seconds in that time interval.
c
c       If one wanted to use calendar dates in this routine, then
c       the date should be after the calendar's refdate and timeint
c       would be the number of seconds that have elapsed since the
c       refdate. Of course this can also be done by first calling
c       sub cal_TimePassed and the calling this routine with the
c       resulting time interval array.
c              
c     started: Christian Eckert eckert@mit.edu  30-Jun-1999
c
c     changed: Christian Eckert eckert@mit.edu  29-Dec-1999
c
c              - restructured the original version in order to have a
c                better interface to the MITgcmUV.
c
c              Christian Eckert eckert@mit.edu  03-Feb-2000
c
c              - Introduced new routine and function names, cal_<NAME>,
c                for verion 0.1.3.
c
c     ==================================================================
c     SUBROUTINE cal_ToSeconds
c     ==================================================================

      implicit none

c     == global variables ==

#include "cal.h"

c     == routine arguments ==

      integer date(4)
      _RL     timeint
      integer mythid

c     == local variables ==

      integer fac
      integer ndays
      integer nsecs
      integer hhmmss
      integer check_sign_1
      integer check_sign_2
      integer ierr

c     == end of interface ==
c     print *,'cal_toseconds: date',date
c     print *,'cal_toseconds: timeint',timeint

      check_sign_1 = sign(1,date(1))
      check_sign_2 = sign(1,date(2))
      if (((date(4) .eq. -1) .and.
     &    (date(3) .eq.  0) .and.
     &    (check_sign_1*check_sign_2 .ge. 0)) .or.
     &    usingModelCalendar) then
        if ((date(1) .lt. 0) .or.
     &      (date(2) .lt. 0)) then
          ndays  = -date(1)
          hhmmss = -date(2)
          fac    = -1
        else
          ndays  = date(1)
          hhmmss = date(2)
          fac    = 1
        endif
        nsecs   = ndays*secondsperday +
     &            (hhmmss/10000)*secondsperhour +
     &            mod(hhmmss/100,100)*secondsperminute +
     &            mod(hhmmss,100)
        timeint = fac*nsecs
      else

        ierr = 1001
        call cal_PrintError( ierr, mythid )
        stop ' stopped in cal_ToSeconds.'

      endif

      return
      end
1	cheisey	1.2	C $Header: /u/u0/gcmpack/MITgcm/pkg/cal/cal_toseconds.F,v 1.1 2001/05/14 22:07:27 heimbach Exp $
2	heimbach	1.1
3			#include "CAL_CPPOPTIONS.h"
4
5			subroutine cal_ToSeconds(
6			I date,
7			O timeint,
8			I mythid
9			& )
10
11			c ==================================================================
12			c SUBROUTINE cal_ToSeconds
13			c ==================================================================
14			c
15			c o Given a time interval as a date array return the number of
16			c seconds in that time interval.
17			c
18			c If one wanted to use calendar dates in this routine, then
19			c the date should be after the calendar's refdate and timeint
20			c would be the number of seconds that have elapsed since the
21			c refdate. Of course this can also be done by first calling
22			c sub cal_TimePassed and the calling this routine with the
23			c resulting time interval array.
24			c
25			c started: Christian Eckert eckert@mit.edu 30-Jun-1999
26			c
27			c changed: Christian Eckert eckert@mit.edu 29-Dec-1999
28			c
29			c - restructured the original version in order to have a
30			c better interface to the MITgcmUV.
31			c
32			c Christian Eckert eckert@mit.edu 03-Feb-2000
33			c
34			c - Introduced new routine and function names, cal_<NAME>,
35			c for verion 0.1.3.
36			c
37			c ==================================================================
38			c SUBROUTINE cal_ToSeconds
39			c ==================================================================
40
41			implicit none
42
43			c == global variables ==
44
45			#include "cal.h"
46
47			c == routine arguments ==
48
49			integer date(4)
50			_RL timeint
51			integer mythid
52
53			c == local variables ==
54
55			integer fac
56			integer ndays
57			integer nsecs
58			integer hhmmss
59			integer check_sign_1
60			integer check_sign_2
61			integer ierr
62
63			c == end of interface ==
64	cheisey	1.2	c print *,'cal_toseconds: date',date
65			c print *,'cal_toseconds: timeint',timeint
66	heimbach	1.1
67			check_sign_1 = sign(1,date(1))
68			check_sign_2 = sign(1,date(2))
69	cheisey	1.2	if (((date(4) .eq. -1) .and.
70	heimbach	1.1	& (date(3) .eq. 0) .and.
71	cheisey	1.2	& (check_sign_1*check_sign_2 .ge. 0)) .or.
72			& usingModelCalendar) then
73	heimbach	1.1	if ((date(1) .lt. 0) .or.
74			& (date(2) .lt. 0)) then
75			ndays = -date(1)
76			hhmmss = -date(2)
77			fac = -1
78			else
79			ndays = date(1)
80			hhmmss = date(2)
81			fac = 1
82			endif
83			nsecs = ndays*secondsperday +
84			& (hhmmss/10000)*secondsperhour +
85			& mod(hhmmss/100,100)*secondsperminute +
86			& mod(hhmmss,100)
87			timeint = fac*nsecs
88			else
89
90			ierr = 1001
91			call cal_PrintError( ierr, mythid )
92			stop ' stopped in cal_ToSeconds.'
93
94			endif
95
96			return
97			end