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heimbach |
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C $Header: /u/gcmpack/development/heimbach/ecco_env/pkg/cal/cal_dayspermonth.F,v 1.4 2001/02/02 16:57:22 heimbach Exp $ |
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#include "CAL_CPPOPTIONS.h" |
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subroutine cal_DaysPerMonth( |
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I myiter, |
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I mytime, |
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O ndays, |
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I mythid |
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& ) |
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c ================================================================== |
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c SUBROUTINE cal_DaysPerMonth |
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c ================================================================== |
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c |
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c o Given the iteration number and/or the current time of integration |
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c return the number of days left in the current calendar month |
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c including the day belonging to iter/currenttime. |
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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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c ================================================================== |
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c SUBROUTINE cal_DaysPerMonth |
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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 myiter |
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_RL mytime |
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integer ndays |
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integer mythid |
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c == local variables == |
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integer mydate(4) |
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integer myday |
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integer mymonth |
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integer myyear |
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integer finalyear |
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integer finalmonth |
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integer present |
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integer final |
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integer ierr |
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c == end of interface == |
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call cal_GetDate( myiter, mytime, mydate, mythid ) |
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myday = mod(mydate(1),100) |
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mymonth = mod(mydate(1)/100,100) |
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myyear = mydate(1)/10000 |
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present = mydate(1)/100 |
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finalyear = modelenddate(1)/10000 |
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finalmonth = mod(modelenddate(1)/100,100) |
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final = modelenddate(1)/100 |
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if (myyear .lt. finalyear) then |
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ndays = ndaymonth(mymonth,mydate(3)) - myday + 1 |
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else if (myyear .eq. finalyear) then |
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if (mymonth .eq. finalmonth) then |
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ndays = mod(modelenddate(1),100) - myday + 1 |
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else |
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ndays = ndaymonth(mymonth,mydate(3)) - myday + 1 |
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endif |
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else |
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ierr = 1201 |
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call cal_PrintError( ierr, mythid ) |
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stop ' stopped in cal_DaysPerMonth.' |
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endif |
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return |
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end |