source: LMDZ6/branches/DYNAMICO-conv/libf/dyn3dpar/nxgrad_p.F @ 3024

Last change on this file since 3024 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_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 :: ijb,ije
21c
22c
23c$OMP DO SCHEDULE(STATIC,OMP_CHUNK)     
24      DO 10 l = 1,klevel
25c
26      ijb=ij_begin
27      ije=ij_end
28      if (pole_sud)  ije=ij_end-iip1
29       
30      DO 1  ij = ijb+1, ije
31      y( ij,l ) = (  rot( ij,l ) - rot( ij-1,l )  ) * cvsurcuv( ij )
32   1  CONTINUE
33c
34c    ..... correction pour  y ( 1,j,l )  ......
35c
36c    ....    y(1,j,l)= y(iip1,j,l) ....
37CDIR$ IVDEP
38      DO 2  ij = ijb, ije, iip1
39      y( ij,l ) = y( ij +iim,l )
40   2  CONTINUE
41c
42      ijb=ij_begin
43      ije=ij_end+iip1
44     
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 )  ) * cusurcvu( 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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