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C $Header: /u/gcmpack/MITgcm/pkg/cal/cal_checkdate.F,v 1.5 2012/04/07 16:20:07 jmc 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_CHECKDATE( |
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I date, |
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O valid, |
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O calerr, |
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I myThid ) |
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|
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C ================================================================== |
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C SUBROUTINE cal_CheckDate |
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C ================================================================== |
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C |
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C o Check whether the array date conforms with the required format. |
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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_CheckDate |
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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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LOGICAL valid |
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INTEGER calerr |
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INTEGER myThid |
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|
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C == local variables == |
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C msgBuf :: Informational/error message buffer |
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INTEGER yy, mm, dd |
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INTEGER nsecs |
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INTEGER lp,wd |
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INTEGER hh, mn, ss |
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INTEGER hhmmss |
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LOGICAL wrong_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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valid = .true. |
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calerr = 0 |
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c wrong_sign = date(1)*date(2).lt.0 |
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C product above might go over integer*4 limit; better to check each one: |
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wrong_sign = ( (date(1).LT.0) .AND. date(2).GT.0 ) |
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& .OR. ( (date(1).GT.0) .AND. date(2).LT.0 ) |
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|
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IF ( wrong_sign ) THEN |
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C cal_CheckDate: Signs of first two components unequal |
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calerr = 1803 |
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C invalid sign is fatal (since we need to check for valid month) |
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valid = .FALSE. |
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ELSEIF ( cal_setStatus .LT. 1 ) THEN |
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WRITE( msgBuf,'(2A,4I9)') 'CAL_CHECKDATE:', |
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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_CHECKDATE:', |
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& ' called too early (cal_setStatus=',cal_setStatus,' )' |
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CALL PRINT_ERROR( msgBuf, myThid ) |
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c valid = .FALSE. |
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|
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ELSEIF ( date(4).LE.0 ) THEN |
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C-- date without weekday (date(4)= -1) and no LeapYear index (date(3)= 0) |
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|
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IF ( date(4).NE.-1 ) THEN |
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C cal_CheckDate: Last component of array not valid |
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calerr = 1801 |
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ELSEIF ( date(3).NE.0 ) THEN |
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C cal_CheckDate: Third component of interval array not 0 |
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calerr = 1802 |
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ENDIF |
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|
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ELSE |
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C-- normal date with weekday (date(4)> 0) and LeapYear index (date(3)> 0) |
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|
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CALL CAL_CONVDATE( date, yy, mm, dd, nsecs, lp, wd, myThid ) |
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IF ( mm.EQ.0 .OR. ABS(mm).GT.nMonthYear ) THEN |
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WRITE( msgBuf,'(2A,I10)') 'CAL_CHECKDATE:', |
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& ' Invalid month in date(1)=', date(1) |
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CALL PRINT_ERROR( msgBuf, myThid ) |
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C invalid month is fatal (used as index in nDayMonth array) |
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valid = .FALSE. |
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ELSEIF ( wd.LT.1 .OR. wd.GT.7 ) THEN |
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C cal_CheckDate: Weekday indentifier not correct |
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calerr = 1805 |
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C invalid weekday is not safe (index in dayOfWeek, but just to print) |
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ELSEIF ( lp.NE.1 .AND. lp.NE.2 ) then |
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C cal_CheckDate: Leap year identifier not correct |
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calerr = 1806 |
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C invalid leap-year index is fatal (used as index in nDayMonth array) |
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valid = .FALSE. |
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ELSEIF ( dd.EQ.0 .OR. ABS(dd).GT.nMaxDayMonth ) THEN |
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C-note: can refine above using Nb of days of the corresponding month: |
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c ELSEIF ( dd.EQ.0 .OR. ABS(dd).GT.nDayMonth(mm,lp) ) THEN |
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WRITE( msgBuf,'(2A,I10)') 'CAL_CHECKDATE:', |
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& ' Invalid day in date(1)=', date(1) |
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CALL PRINT_ERROR( msgBuf, myThid ) |
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ELSEIF ( date(1).LT.refDate(1) ) THEN |
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C cal_CheckDate: Calendar date before predef. reference date |
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calerr = 1807 |
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ENDIF |
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|
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ENDIF |
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IF ( valid .AND. cal_setStatus.GE.1 ) THEN |
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C-- check 2nd component (hhmmss=date(2)) and print warning |
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hhmmss = ABS(date(2)) |
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hh = hhmmss/10000 |
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mn = MOD(hhmmss/100,100) |
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ss = MOD(hhmmss,100) |
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IF ( ss.GE.secondsPerMinute ) THEN |
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WRITE( msgBuf,'(2A,I10)') '** WARNING ** CAL_CHECKDATE:', |
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& ' Invalid Seconds in date(2)=', date(2) |
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CALL PRINT_MESSAGE( msgBuf, errorMessageUnit, |
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& SQUEEZE_RIGHT, myThid ) |
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ENDIF |
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IF ( mn.GE.minutesPerHour ) THEN |
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WRITE( msgBuf,'(2A,I10)') '** WARNING ** CAL_CHECKDATE:', |
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& ' Invalid Minutes in date(2)=', date(2) |
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CALL PRINT_MESSAGE( msgBuf, errorMessageUnit, |
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& SQUEEZE_RIGHT, myThid ) |
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ENDIF |
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IF ( hh.GE.hoursPerDay ) THEN |
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WRITE( msgBuf,'(2A,I10)') '** WARNING ** CAL_CHECKDATE:', |
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& ' Invalid Hours in date(2)=', date(2) |
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CALL PRINT_MESSAGE( msgBuf, errorMessageUnit, |
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& SQUEEZE_RIGHT, myThid ) |
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ENDIF |
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ENDIF |
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|
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RETURN |
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END |
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