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! $Id: juldate.F 2239 2015-03-23 07:27:30Z emillour $ |
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! |
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subroutine juldate(ian,imoi,ijou,oh,om,os,tjd,tjdsec) |
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c Sous-routine de changement de date: |
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c gregorien>>>date julienne |
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c En entree:an,mois,jour,heure,min.,sec. |
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c En sortie:tjd |
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IMPLICIT NONE |
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INTEGER,INTENT(IN) :: ian,imoi,ijou,oh,om,os |
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REAL,INTENT(OUT) :: tjd,tjdsec |
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REAL frac,year,rmon,cf,a,b |
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INTEGER ojou |
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frac=((os/60.+om)/60.+oh)/24. |
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ojou=dble(ijou)+frac |
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year=dble(ian) |
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rmon=dble(imoi) |
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if (imoi .le. 2) then |
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year=year-1. |
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rmon=rmon+12. |
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endif |
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cf=year+(rmon/100.)+(ojou/10000.) |
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if (cf .ge. 1582.1015) then |
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a=int(year/100) |
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b=2-a+int(a/4) |
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else |
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b=0 |
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endif |
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tjd=int(365.25*year)+int(30.6001*(rmon+1))+int(ojou) |
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+ +1720994.5+b |
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tjdsec=(ojou-int(ojou))+(tjd-int(tjd)) |
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tjd=int(tjd)+int(tjdsec) |
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tjdsec=tjdsec-int(tjdsec) |
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return |
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end |
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