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91 lines
2.7 KiB
Fortran
91 lines
2.7 KiB
Fortran
c =====================================================================
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c pgm datimi (nhr,imo,ida,iyr,ihr,imn,jmo,jda,jyr,jhr,
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c jmn,mon)
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c
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c in: nhr .... number of hours to increment or decrement
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c in: imo .... month
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c in: ida .... day (1 to mon(imo) 0
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c in: iyr .... year with century
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c in: ihr .... hour (00 to 23)
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c in: imn .... minute (00 to 59)
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c out: jmo .... month
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c out: jda .... day
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c out: jyr .... year
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c out: jhr .... hour
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c out: jmn .... minute
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c in: mon .... days in each month
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c =====================================================================
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c
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subroutine datimi (nhr,imo,ida,iyr,ihr,imn,jmo,jda,jyr,jhr,
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+ jmn,mon)
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c
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c.......................................................................
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c routine increments or decrements time
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c
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c
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c.......................................................................
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c Initially written by
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c Tim Sweeney, HRL - Apr 1993
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c.......................................................................
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c
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dimension mon(12)
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c
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include 'ffg_inc/gdebug'
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C
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C ================================= RCS keyword statements ==========
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CHARACTER*68 RCSKW1,RCSKW2
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DATA RCSKW1,RCSKW2 / '
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.$Source: /fs/hseb/ob72/wfo_rfc/precip_proc/source/gribit/src/RCS/datimi.f,v $
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. $', '
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.$Id: datimi.f,v 1.1 2006/05/03 13:43:58 gsood Exp $
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. $' /
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C ===================================================================
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C
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c
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call prbug ('datimi',1,1,ibug)
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c
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jmo = imo
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jda = ida
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jyr = iyr
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jhr = ihr
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jmn = imn
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c
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if (nhr.lt.0) then
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c decrement hour
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jhr = jhr + nhr
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if (jhr.lt.0) then
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c decrement day
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jda = jda -1
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jhr = 24 + jhr
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if (jda.lt.1) then
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c decrement month
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jmo = jmo - 1
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if (jmo.lt.1) then
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jmo = 12
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jyr = jyr - 1
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endif
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jda = mon(jmo)
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endif
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endif
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else
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c increment hour
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jhr = jhr + nhr
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c increment day
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jda = jda + jhr/24
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jhr = jhr - (jhr/24)*24
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c increment month
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mth = jmo + jda/(1+mon(jmo))
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jda = jda - (jda/(1+mon(jmo)))*mon(jmo)
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jmo = mth - (mth/13)*12
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c increment year
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jyr = jyr + (mth/13)
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endif
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c
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if (ibug.gt.0) write (iud,10) nhr,imo,ida,iyr,ihr,
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+ jmo,jda,jyr,jhr
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10 format (' nhr=',i2,' imo=',i2,' ida=',i2,' iyr=',i4,' ihr=',i2,
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+ 'jmo=',i2,' jda=',i2,' jyr=',i4,' jhr=',i2)
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c
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return
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c
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end
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