1 |
! |
module nxgraro2_m |
2 |
! $Header: /home/cvsroot/LMDZ4/libf/dyn3d/nxgraro2.F,v 1.1.1.1 2004/05/19 12:53:06 lmdzadmin Exp $ |
|
3 |
! |
IMPLICIT NONE |
4 |
SUBROUTINE nxgraro2 (klevel,xcov, ycov, lr, grx, gry, crot ) |
|
5 |
c |
contains |
6 |
c P.Le Van . |
|
7 |
c *********************************************************** |
SUBROUTINE nxgraro2(xcov, ycov, lr, grx, gry, crot) |
8 |
c lr |
|
9 |
c calcul de ( nxgrad (rot) ) du vect. v .... |
! From LMDZ4/libf/dyn3d/nxgraro2.F, version 1.1.1.1, 2004/05/19 12:53:06 |
10 |
c |
|
11 |
c xcov et ycov etant les compos. covariantes de v |
! P. Le Van |
12 |
c *********************************************************** |
! Calcul de nxgrad(rot) du vecteur (xcov, ycov). |
13 |
c xcov , ycov et lr sont des arguments d'entree pour le s-prog |
|
14 |
c grx et gry sont des arguments de sortie pour le s-prog |
USE filtreg_v_m, ONLY: filtreg_v |
15 |
c |
use nr_util, only: assert, assert_eq |
16 |
c |
use nxgrad_m, only: nxgrad |
17 |
use dimens_m |
use rotatf_m, only: rotatf |
18 |
use paramet_m |
|
19 |
use filtreg_m, only: filtreg |
! Composantes covariantes : |
20 |
IMPLICIT NONE |
REAL, intent(in):: xcov(:, :, :) ! (iim + 1, jjm + 1, klevel) |
21 |
c |
REAL, intent(in):: ycov(:, :, :) ! (iim + 1, jjm, klevel) |
22 |
c |
|
23 |
c ...... variables en arguments ....... |
integer, intent(in):: lr |
24 |
c |
REAL, intent(out):: grx(:, :, :) ! (iim + 1, jjm + 1, klevel) |
25 |
INTEGER klevel |
REAL, intent(out):: gry(:, :, :) ! (iim + 1, jjm, klevel) |
26 |
REAL, intent(in):: xcov( ip1jmp1,klevel ), ycov( ip1jm,klevel ) |
real, intent(in):: crot |
27 |
REAL grx( ip1jmp1,klevel ), gry( ip1jm,klevel ) |
|
28 |
real, intent(in):: crot |
! Local: |
29 |
c |
INTEGER klevel, iter |
30 |
c ...... variables locales ........ |
REAL rot(size(ycov, 1), size(ycov, 2), size(ycov, 3)) , nugradrs |
31 |
c |
|
32 |
REAL rot(ip1jm,llm) , signe, nugradrs |
!---------------------------------------------------------- |
33 |
INTEGER l,ij,iter |
|
34 |
integer, intent(in):: lr |
call assert(size(xcov, 1) == [size(ycov, 1), size(grx, 1), size(gry, 1)], & |
35 |
c ........................................................ |
"nxgraro2 iim") |
36 |
c |
call assert(size(xcov, 2) - 1 == [size(ycov, 2), size(grx, 2) - 1, & |
37 |
c |
size(gry, 2)], "nxgraro2 jjm") |
38 |
c |
klevel = assert_eq(size(xcov, 3), size(ycov, 3), size(grx, 3), & |
39 |
signe = (-1.)**lr |
size(gry, 3), "nxgraro2 klevel") |
40 |
nugradrs = signe * crot |
|
41 |
c |
grx = xcov |
42 |
grx = xcov |
gry = ycov |
43 |
gry = ycov |
|
44 |
c |
CALL rotatf(klevel, grx, gry, rot) |
45 |
CALL rotatf ( klevel, grx, gry, rot ) |
CALL laplacien_rot(klevel, rot, rot, grx, gry) |
46 |
c |
|
47 |
CALL laplacien_rot ( klevel, rot, rot,grx,gry ) |
! Itération de l'opérateur laplacien_rotgam |
48 |
|
DO iter = 1, lr - 2 |
49 |
c |
CALL laplacien_rotgam(klevel, rot, rot) |
50 |
c ..... Iteration de l'operateur laplacien_rotgam ..... |
ENDDO |
51 |
c |
|
52 |
DO iter = 1, lr -2 |
CALL filtreg_v(rot, intensive = .true.) |
53 |
CALL laplacien_rotgam ( klevel, rot, rot ) |
CALL nxgrad(klevel, rot, grx, gry) |
54 |
ENDDO |
|
55 |
c |
nugradrs = (-1.)**lr * crot |
56 |
c |
grx = grx * nugradrs |
57 |
CALL filtreg( rot, jjm, klevel, 2,1, .FALSE.,1) |
gry = gry * nugradrs |
58 |
CALL nxgrad ( klevel, rot, grx, gry ) |
|
59 |
c |
END SUBROUTINE nxgraro2 |
60 |
DO l = 1, klevel |
|
61 |
DO ij = 1, ip1jm |
end module nxgraro2_m |
|
gry( ij,l ) = gry( ij,l ) * nugradrs |
|
|
ENDDO |
|
|
DO ij = 1, ip1jmp1 |
|
|
grx( ij,l ) = grx( ij,l ) * nugradrs |
|
|
ENDDO |
|
|
ENDDO |
|
|
c |
|
|
RETURN |
|
|
END |
|