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! $Header: /home/cvsroot/LMDZ4/libf/dyn3d/divgrad.F,v 1.1.1.1 2004/05/19 12:53:05 lmdzadmin Exp $ |
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SUBROUTINE divgrad (klevel,h, lh, divgra, cdivh ) |
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use dimens_m |
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use paramet_m |
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use logic |
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use comgeom |
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use filtreg_m, only: filtreg |
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IMPLICIT NONE |
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c======================================================================= |
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c Auteur : P. Le Van |
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c ---------- |
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c lh |
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c calcul de (div( grad )) de h ..... |
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c h et lh sont des arguments d'entree pour le s-prog |
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c divgra est un argument de sortie pour le s-prog |
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c======================================================================= |
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c declarations: |
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c ------------- |
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INTEGER klevel |
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REAL, intent(in):: h( ip1jmp1,klevel ) |
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real divgra( ip1jmp1,klevel ) |
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real, intent(in):: cdivh |
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REAL ghy(ip1jm,llm), ghx(ip1jmp1,llm) |
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INTEGER l,ij,iter |
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integer, intent(in):: lh |
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divgra = h |
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DO 10 iter = 1,lh |
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CALL filtreg ( divgra,jjp1,klevel,2,1,.true.,1 ) |
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CALL grad (klevel,divgra, ghx , ghy ) |
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CALL diverg (klevel, ghx , ghy , divgra ) |
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CALL filtreg ( divgra,jjp1,klevel,2,1,.true.,1) |
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DO 5 l = 1,klevel |
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DO 4 ij = 1, ip1jmp1 |
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divgra( ij,l ) = - cdivh * divgra( ij,l ) |
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4 CONTINUE |
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5 CONTINUE |
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c |
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10 CONTINUE |
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RETURN |
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END |