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heimbach |
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C $Header: /u/gcmpack/development/heimbach/ecco_env/pkg/cal/cal_timeinterval.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_TimeInterval( |
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I timeint, |
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I timeunit, |
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O date, |
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I mythid |
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& ) |
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c ================================================================== |
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c SUBROUTINE cal_TimeInterval |
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c ================================================================== |
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c |
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c o Create an array in date format given a time interval measured in |
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c units of timeunit. |
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c |
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c Available time units: 'secs' |
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c 'model' |
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c |
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c Fractions of seconds are not resolved in this version. |
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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_TimeInterval |
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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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character*(*) timeunit |
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integer mythid |
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c == local variables == |
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integer fac |
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integer nsecs |
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integer hhmmss |
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integer ierr |
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c == end of interface == |
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fac = 1 |
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if (timeint .lt. 0) fac = -1 |
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date(4) = -1 |
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date(3) = 0 |
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if (timeunit .eq. 'secs') then |
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date(1) = int(timeint/float(secondsperday)) |
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nsecs = int(timeint - float(date(1)*secondsperday)) |
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else if (timeunit .eq. 'model') then |
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date(1) = int(timeint*modelstep/float(secondsperday)) |
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nsecs = int(timeint*modelstep - |
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& float(date(1)*secondsperday)) |
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else |
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ierr = 701 |
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call cal_PrintError( ierr, mythid ) |
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stop ' stopped in cal_TimeInterval.' |
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endif |
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hhmmss = nsecs/secondsperminute |
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date(2) = hhmmss/minutesperhour*10000 + |
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& (mod(fac*hhmmss,minutesperhour)*100 + |
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& mod(fac*nsecs,secondsperminute))*fac |
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return |
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end |