source: LMDZ5/trunk/libf/dyn3dpar/nxgrad_gam_p.F @ 2225

Last change on this file since 2225 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
  • Property svn:eol-style set to native
  • Property svn:keywords set to Author Date Id Revision
File size: 1.6 KB
Line 
1      SUBROUTINE nxgrad_gam_p( klevel, rot, x, y )
2c
3c  P. Le Van
4c
5c   ********************************************************************
6c      calcul du gradient tourne de pi/2 du rotationnel du vect.v
7c   ********************************************************************
8c       rot          est un argument  d'entree pour le s-prog
9c       x  et y    sont des arguments de sortie pour le s-prog
10c
11      USE parallel_lmdz
12      IMPLICIT NONE
13c
14#include "dimensions.h"
15#include "paramet.h"
16#include "comgeom.h"
17      INTEGER klevel
18      REAL rot( ip1jm,klevel ),x( ip1jmp1,klevel ),y(ip1jm,klevel )
19      INTEGER   l,ij
20      integer ismin,ismax
21      external ismin,ismax
22      INTEGER :: ijb,ije
23c
24c$OMP DO SCHEDULE(STATIC,OMP_CHUNK)
25      DO 10 l = 1,klevel
26c
27      ijb=ij_begin
28      ije=ij_end
29      if(pole_sud) ije=ij_end-iip1
30     
31      DO 1  ij = ijb+1, ije
32      y( ij,l ) = (rot( ij,l ) - rot( ij-1,l )) * cvscuvgam( ij )
33   1  CONTINUE
34c
35c    ..... correction pour  y ( 1,j,l )  ......
36c
37c    ....    y(1,j,l)= y(iip1,j,l) ....
38CDIR$ IVDEP
39      DO 2  ij = ijb, ije, iip1
40      y( ij,l ) = y( ij +iim,l )
41   2  CONTINUE
42c
43      ijb=ij_begin
44      ije=ij_end+iip1
45      if(pole_nord) ijb=ij_begin+iip1
46      if(pole_sud) ije=ij_end-iip1
47     
48      DO 4  ij = ijb,ije
49      x( ij,l ) = (rot( ij,l ) - rot( ij -iip1,l )) * cuscvugam( ij )
50   4  CONTINUE
51   
52      if (pole_nord) then
53        DO  ij = 1,iip1
54         x(    ij    ,l ) = 0.
55        ENDDO
56      endif
57
58      if (pole_sud) then
59        DO  ij = 1,iip1
60         x( ij +ip1jm,l ) = 0.
61        ENDDO
62      endif
63c
64  10  CONTINUE
65c$OMP END DO NOWAIT
66      RETURN
67      END
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