source: LMDZ5/trunk/libf/dyn3dmem/grad_p.F @ 3847

Last change on this file since 3847 was 1907, checked in by lguez, 11 years ago

Added a copyright property to every file of the distribution, except
for the fcm files (which have their own copyright). Use svn propget on
a file to see the copyright. For instance:

$ svn propget copyright libf/phylmd/physiq.F90
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

Also added the files defining the CeCILL version 2 license, in French
and English, at the top of the LMDZ tree.

  • 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
File size: 1.3 KB
RevLine 
[1632]1      SUBROUTINE  grad_p(klevel, pg,pgx,pgy )
2c
3c      P. Le Van
4c
5c    ******************************************************************
6c     .. calcul des composantes covariantes en x et y du gradient de g
7c
8c    ******************************************************************
9c             pg        est un   argument  d'entree pour le s-prog
10c       pgx  et  pgy    sont des arguments de sortie pour le s-prog
11c
[1823]12      USE parallel_lmdz
[1632]13      IMPLICIT NONE
14c
15#include "dimensions.h"
16#include "paramet.h"
17      INTEGER klevel
18      REAL  pg( ip1jmp1,klevel )
19      REAL pgx( ip1jmp1,klevel ) , pgy( ip1jm,klevel )
20      INTEGER  l,ij
21      INTEGER :: ijb,ije,jjb,jje
22c
23c
24c$OMP DO SCHEDULE(STATIC,OMP_CHUNK)
25      DO 6 l = 1,klevel
26c
27      ijb=ij_begin
28      ije=ij_end
29      DO 2  ij = ijb, ije - 1
30        pgx( ij,l ) = pg( ij +1,l ) - pg( ij,l )
31   2  CONTINUE
32c
33c    .... correction pour  pgx(ip1,j,l)  ....
34c    ...    pgx(iip1,j,l)= pgx(1,j,l)  ....
35CDIR$ IVDEP
36      DO 3  ij = ijb+iip1-1, ije, iip1
37        pgx( ij,l ) = pgx( ij -iim,l )
38   3  CONTINUE
39c
40      ijb=ij_begin-iip1
41      ije=ij_end
42      if (pole_nord) ijb=ij_begin
43      if (pole_sud)  ije=ij_end-iip1
44     
45      DO 4 ij = ijb,ije
46        pgy( ij,l ) = pg( ij,l ) - pg( ij +iip1,l )
47   4  CONTINUE
48c
49   6  CONTINUE
50c$OMP END DO NOWAIT
51
52      RETURN
53      END
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