/[lmdze]/trunk/libf/dyn3d/Dissipation/nxgrarot.f
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Annotation of /trunk/libf/dyn3d/Dissipation/nxgrarot.f

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Revision 54 - (hide annotations)
Tue Dec 6 15:07:04 2011 UTC (12 years, 6 months ago) by guez
Original Path: trunk/libf/dyn3d/nxgrarot.f
File size: 1506 byte(s) 
Removed Numerical Recipes procedure "ran1". Replaced calls to "ran1"
in "inidissip" by calls to intrinsic procedures.

Split file "interface_surf.f90" into a file with a module containing
only variables, "interface_surf", and single-procedure files. Gathered
files into directory "Interface_surf".

Added argument "cdivu" to "gradiv" and "gradiv2", "cdivh" to
"divgrad2" and "divgrad", and "crot" to "nxgraro2" and
"nxgrarot". "dissip" now uses variables "cdivu", "cdivh" and "crot"
from module "inidissip_m", so it can pass them to "gradiv2",
etc. Thanks to this modification, we avoid a circular dependency
betwwen "inidissip.f90" and "gradiv2.f90", etc. The value -1. used by
"gradiv2", for instance, during computation of eigenvalues is not the
value "cdivu" computed by "inidissip".

Extracted procedure "start_inter_3d" from module "startdyn", to its
own module.

In "inidissip", unrolled loop on "ii". I find it clearer now.

Moved variables "matriceun", "matriceus", "matricevn", "matricevs",
"matrinvn" and "matrinvs" from module "parafilt" to module
"inifilr_m". Moved variables "jfiltnu", "jfiltnv", "jfiltsu",
"jfiltsv" from module "coefils" to module "inifilr_m".
1 guez 3 !
2     ! $Header: /home/cvsroot/LMDZ4/libf/dyn3d/nxgrarot.F,v 1.1.1.1 2004/05/19 12:53:06 lmdzadmin Exp $
3     !
4 guez 54 SUBROUTINE nxgrarot (klevel,xcov, ycov, lr, grx, gry, crot )
5 guez 3 c ***********************************************************
6     c
7     c Auteur : P.Le Van
8     c
9     c lr
10     c calcul de ( nXgrad (rot) ) du vect. v ....
11     c
12     c xcov et ycov etant les compos. covariantes de v
13     c ***********************************************************
14     c xcov , ycov et lr sont des arguments d'entree pour le s-prog
15     c grx et gry sont des arguments de sortie pour le s-prog
16     c
17     c
18     use dimens_m
19     use paramet_m
20     use logic
21 guez 27 use filtreg_m, only: filtreg
22 guez 3 IMPLICIT NONE
23     c
24     c
25     c
26     INTEGER klevel
27     REAL xcov( ip1jmp1,klevel ), ycov( ip1jm,klevel )
28     REAL grx( ip1jmp1,klevel ), gry( ip1jm,klevel )
29 guez 54 real, intent(in):: crot
30 guez 3 c
31     REAL rot(ip1jm,llm)
32    
33 guez 26 INTEGER l,ij,iter
34     integer, intent(in):: lr
35 guez 3 c
36     c
37     c
38     CALL SCOPY ( ip1jmp1*klevel, xcov, 1, grx, 1 )
39     CALL SCOPY ( ip1jm*klevel, ycov, 1, gry, 1 )
40     c
41     DO 10 iter = 1,lr
42     CALL rotat (klevel,grx, gry, rot )
43     CALL filtreg( rot, jjm, klevel, 2,1, .false.,2)
44     CALL nxgrad (klevel,rot, grx, gry )
45     c
46     DO 5 l = 1, klevel
47     DO 2 ij = 1, ip1jm
48     gry( ij,l ) = - gry( ij,l ) * crot
49     2 CONTINUE
50     DO 3 ij = 1, ip1jmp1
51     grx( ij,l ) = - grx( ij,l ) * crot
52     3 CONTINUE
53     5 CONTINUE
54     c
55     10 CONTINUE
56     RETURN
57     END
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