source: LMDZ5/trunk/libf/dyn3d/nxgrad_gam.F @ 1907

Last change on this file since 1907 was 1907, checked in by lguez, 10 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: 1.2 KB
Line 
1!
2! $Header$
3!
4      SUBROUTINE nxgrad_gam( klevel, rot, x, y )
5c
6c  P. Le Van
7c
8c   ********************************************************************
9c      calcul du gradient tourne de pi/2 du rotationnel du vect.v
10c   ********************************************************************
11c       rot          est un argument  d'entree pour le s-prog
12c       x  et y    sont des arguments de sortie pour le s-prog
13c
14      IMPLICIT NONE
15c
16#include "dimensions.h"
17#include "paramet.h"
18#include "comgeom.h"
19      INTEGER klevel
20      REAL rot( ip1jm,klevel ),x( ip1jmp1,klevel ),y(ip1jm,klevel )
21      INTEGER   l,ij
22c
23      DO 10 l = 1,klevel
24c
25      DO 1  ij = 2, ip1jm
26      y( ij,l ) = (rot( ij,l ) - rot( ij-1,l )) * cvscuvgam( ij )
27   1  CONTINUE
28c
29c    ..... correction pour  y ( 1,j,l )  ......
30c
31c    ....    y(1,j,l)= y(iip1,j,l) ....
32CDIR$ IVDEP
33      DO 2  ij = 1, ip1jm, iip1
34      y( ij,l ) = y( ij +iim,l )
35   2  CONTINUE
36c
37      DO 4  ij = iip2,ip1jm
38      x( ij,l ) = (rot( ij,l ) - rot( ij -iip1,l )) * cuscvugam( ij )
39   4  CONTINUE
40      DO 6 ij = 1,iip1
41      x(    ij    ,l ) = 0.
42      x( ij +ip1jm,l ) = 0.
43   6  CONTINUE
44c
45  10  CONTINUE
46      RETURN
47      END
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