source: LMDZ5/branches/IPSLCM6.0.8/libf/dyn3d_common/nxgrarot.F @ 5040

Last change on this file since 5040 was 2641, checked in by Laurent Fairhead, 8 years ago

Merged trunk changes r2593:2640 into testing branch

  • 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: 1.3 KB
Line 
1!
2! $Header$
3!
4      SUBROUTINE nxgrarot (klevel,xcov, ycov, lr, grx, gry )
5c   ***********************************************************
6c
7c    Auteur :  P.Le Van 
8c
9c                                 lr
10c      calcul de  ( nXgrad (rot) )   du vect. v  ....
11c
12c       xcov et ycov  etant les compos. covariantes de  v
13c   ***********************************************************
14c     xcov , ycov et lr  sont des arguments  d'entree pour le s-prog
15c      grx   et  gry     sont des arguments de sortie pour le s-prog
16c
17c
18      IMPLICIT NONE
19c
20c
21      include "dimensions.h"
22      include "paramet.h"
23      include "comdissipn.h"
24c
25      INTEGER klevel
26      REAL xcov( ip1jmp1,klevel ), ycov( ip1jm,klevel )
27      REAL  grx( ip1jmp1,klevel ),  gry( ip1jm,klevel )
28c
29      REAL rot(ip1jm,llm)
30
31      INTEGER l,ij,iter,lr
32c
33c
34c
35      CALL SCOPY ( ip1jmp1*klevel, xcov, 1, grx, 1 )
36      CALL SCOPY (  ip1jm*klevel, ycov, 1, gry, 1 )
37c
38      DO 10 iter = 1,lr
39      CALL  rotat (klevel,grx, gry, rot )
40      CALL filtreg( rot, jjm, klevel, 2,1, .false.,2)
41      CALL nxgrad (klevel,rot, grx, gry )
42c
43      DO 5  l = 1, klevel
44      DO 2 ij = 1, ip1jm
45      gry( ij,l ) = - gry( ij,l ) * crot
46   2  CONTINUE
47      DO 3 ij = 1, ip1jmp1
48      grx( ij,l ) = - grx( ij,l ) * crot
49   3  CONTINUE
50   5  CONTINUE
51c
52  10  CONTINUE
53      RETURN
54      END
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