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dimitri |
1.4 |
C $Header: /usr/local/gcmpack/MITgcm/pkg/cal/cal_toseconds.F,v 1.3 2003/09/23 04:34:25 dimitri Exp $ |
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heimbach |
1.1 |
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#include "CAL_CPPOPTIONS.h" |
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subroutine cal_ToSeconds( |
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I date, |
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O timeint, |
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I mythid |
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& ) |
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c ================================================================== |
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c SUBROUTINE cal_ToSeconds |
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c ================================================================== |
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c |
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c o Given a time interval as a date array return the number of |
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c seconds in that time interval. |
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c |
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c If one wanted to use calendar dates in this routine, then |
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c the date should be after the calendar's refdate and timeint |
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c would be the number of seconds that have elapsed since the |
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c refdate. Of course this can also be done by first calling |
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dimitri |
1.3 |
c sub cal_TimePassed and then calling this routine with the |
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heimbach |
1.1 |
c resulting time interval array. |
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c |
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c started: Christian Eckert eckert@mit.edu 30-Jun-1999 |
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c |
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c changed: Christian Eckert eckert@mit.edu 29-Dec-1999 |
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c |
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c - restructured the original version in order to have a |
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c better interface to the MITgcmUV. |
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c |
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c Christian Eckert eckert@mit.edu 03-Feb-2000 |
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c |
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c - Introduced new routine and function names, cal_<NAME>, |
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c for verion 0.1.3. |
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c |
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dimitri |
1.3 |
c 21-Sep-2003: fixed check_sign logic to work with |
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c negative intervals (menemenlis@jpl.nasa.gov) |
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c |
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heimbach |
1.1 |
c ================================================================== |
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c SUBROUTINE cal_ToSeconds |
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c ================================================================== |
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implicit none |
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c == global variables == |
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#include "cal.h" |
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c == routine arguments == |
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integer date(4) |
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_RL timeint |
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integer mythid |
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c == local variables == |
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integer fac |
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integer ndays |
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integer nsecs |
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integer hhmmss |
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integer ierr |
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dimitri |
1.4 |
integer check_sign |
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heimbach |
1.1 |
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c == end of interface == |
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cheisey |
1.2 |
c print *,'cal_toseconds: date',date |
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c print *,'cal_toseconds: timeint',timeint |
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heimbach |
1.1 |
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dimitri |
1.4 |
check_sign = 1 |
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if ( ( (date(1).lt.0) .and. date(2).gt.0 ) .or. |
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& ( (date(1).gt.0) .and. date(2).lt.0 ) ) |
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& check_sign = -1 |
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cheisey |
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if (((date(4) .eq. -1) .and. |
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heimbach |
1.1 |
& (date(3) .eq. 0) .and. |
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dimitri |
1.3 |
& (check_sign .ge. 0)) .or. |
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cheisey |
1.2 |
& usingModelCalendar) then |
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heimbach |
1.1 |
if ((date(1) .lt. 0) .or. |
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& (date(2) .lt. 0)) then |
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ndays = -date(1) |
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hhmmss = -date(2) |
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fac = -1 |
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else |
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ndays = date(1) |
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hhmmss = date(2) |
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fac = 1 |
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endif |
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nsecs = ndays*secondsperday + |
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& (hhmmss/10000)*secondsperhour + |
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& mod(hhmmss/100,100)*secondsperminute + |
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& mod(hhmmss,100) |
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timeint = fac*nsecs |
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else |
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ierr = 1001 |
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call cal_PrintError( ierr, mythid ) |
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stop ' stopped in cal_ToSeconds.' |
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endif |
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return |
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end |
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