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C $Header: /u/gcmpack/MITgcm/pkg/cal/cal_convdate.F,v 1.4 2003/10/09 04:19:19 edhill Exp $ |
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C $Name: $ |
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|
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#include "CAL_OPTIONS.h" |
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|
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SUBROUTINE CAL_CONVDATE( |
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I date, |
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O yy, mm, dd, ss, |
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O lp, wd, |
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I myThid ) |
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|
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C ================================================================== |
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C SUBROUTINE cal_ConvDate |
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C ================================================================== |
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C |
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C o Decompose the first part of a date 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 changed: Christian Eckert eckert@mit.edu 29-Dec-1999 |
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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 Christian Eckert eckert@mit.edu 03-Feb-2000 |
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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 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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C ================================================================== |
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C SUBROUTINE cal_ConvDate |
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C ================================================================== |
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|
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IMPLICIT NONE |
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|
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C == global variables == |
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#include "EEPARAMS.h" |
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#include "cal.h" |
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|
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C == routine arguments == |
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INTEGER date(4) |
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INTEGER myThid |
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|
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C == local variables == |
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INTEGER yy |
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INTEGER mm |
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INTEGER dd |
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INTEGER ss |
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INTEGER lp |
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INTEGER wd |
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INTEGER fac |
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INTEGER date_1 |
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INTEGER date_2 |
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INTEGER ierr |
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INTEGER check_sign |
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CHARACTER*(MAX_LEN_MBUF) msgBuf |
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C == end of interface == |
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|
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IF ( cal_setStatus .LT. 1 ) THEN |
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WRITE( msgBuf,'(2A,4I9)') 'CAL_CONVDATE: ', |
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& 'date=',date(1),date(2),date(3),date(4) |
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CALL PRINT_ERROR( msgBuf, myThid ) |
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WRITE( msgBuf,'(2A,I2,A)') 'CAL_CONVDATE: ', |
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& 'called too early (cal_setStatus=',cal_setStatus,' )' |
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CALL PRINT_ERROR( msgBuf, myThid ) |
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STOP 'ABNORMAL END: S/R CAL_CONVDATE' |
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ENDIF |
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|
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fac = 1 |
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|
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C Check the sign of the date. |
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|
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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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|
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if ( check_sign .ge. 0 ) then |
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if (date(1) .eq. 0) then |
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date_1 = date(1) |
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if (date(2) .lt. 0) then |
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date_2 = -date(2) |
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fac = -1 |
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else |
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date_2 = date(2) |
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fac = 1 |
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endif |
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else if (date(1) .lt. 0) then |
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date_1 = -date(1) |
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date_2 = -date(2) |
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fac = -1 |
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else |
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date_1 = date(1) |
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date_2 = date(2) |
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fac = 1 |
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endif |
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else |
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|
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ierr = 901 |
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call cal_PrintError( ierr, myThid ) |
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stop ' stopped in cal_ConvDate.' |
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|
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endif |
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|
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C Decompose the entries. |
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if (date(4) .ne. -1) then |
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yy = date_1/10000 |
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mm = mod(date_1/100,100) |
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dd = mod(date_1,100) |
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else |
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yy = 0 |
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mm = 0 |
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dd = date_1 |
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endif |
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ss = mod(date_2,100) + |
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& mod(date_2/100,100)*secondsperminute + |
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& date_2/10000*secondsperhour |
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|
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C Include the sign. |
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yy = fac*yy |
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mm = fac*mm |
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dd = fac*dd |
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ss = fac*ss |
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|
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lp = date(3) |
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wd = date(4) |
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|
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RETURN |
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END |
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