source: LMDZ5/trunk/libf/dyn3d_common/juldate.F @ 2198

Last change on this file since 2198 was 2197, checked in by Ehouarn Millour, 10 years ago

Added 'implicit none' statements and proper variable definitions where they were missing.
EM

  • Property copyright set to
    Name of program: LMDZ
    Creation date: 1984
    Version: LMDZ5
    License: CeCILL version 2
    Holder: Laboratoire de m\'et\'eorologie dynamique, CNRS, UMR 8539
    See the license file in the root directory
  • Property svn:eol-style set to native
  • Property svn:keywords set to Author Date Id Revision
File size: 863 bytes
Line 
1!
2! $Id: juldate.F 2197 2015-02-09 07:13:05Z emillour $
3!
4        subroutine juldate(ian,imoi,ijou,oh,om,os,tjd,tjdsec)
5c       Sous-routine de changement de date:
6c       gregorien>>>date julienne
7c       En entree:an,mois,jour,heure,min.,sec.
8c       En sortie:tjd
9        IMPLICIT NONE
10        INTEGER,INTENT(IN) :: ian,imoi,ijou,oh,om,os
11        REAL,INTENT(OUT) :: tjd,tjdsec
12       
13        REAL frac,year,rmon,cf,a,b
14        INTEGER ojou
15       
16        frac=((os/60.+om)/60.+oh)/24.
17        ojou=dble(ijou)+frac
18            year=dble(ian)
19            rmon=dble(imoi)
20        if (imoi .le. 2) then
21            year=year-1.
22            rmon=rmon+12.
23        endif
24        cf=year+(rmon/100.)+(ojou/10000.)
25        if (cf .ge. 1582.1015) then
26            a=int(year/100)
27            b=2-a+int(a/4)
28        else
29            b=0
30        endif
31        tjd=int(365.25*year)+int(30.6001*(rmon+1))+int(ojou)
32     +   +1720994.5+b
33        tjdsec=(ojou-int(ojou))+(tjd-int(tjd))
34        tjd=int(tjd)+int(tjdsec)
35        tjdsec=tjdsec-int(tjdsec)
36        return
37        end
38
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