Last change
on this file since 1942 was
524,
checked in by lmdzadmin, 20 years ago
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Initial revision
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Property svn:eol-style set to
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Property svn:keywords set to
Author Date Id Revision
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File size:
1.1 KB
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1 | ! |
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2 | ! $Header$ |
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3 | ! |
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4 | SUBROUTINE grad(klevel, pg,pgx,pgy ) |
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5 | c |
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6 | c P. Le Van |
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7 | c |
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8 | c ****************************************************************** |
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9 | c .. calcul des composantes covariantes en x et y du gradient de g |
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10 | c |
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11 | c ****************************************************************** |
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12 | c pg est un argument d'entree pour le s-prog |
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13 | c pgx et pgy sont des arguments de sortie pour le s-prog |
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14 | c |
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15 | IMPLICIT NONE |
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16 | c |
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17 | #include "dimensions.h" |
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18 | #include "paramet.h" |
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19 | INTEGER klevel |
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20 | REAL pg( ip1jmp1,klevel ) |
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21 | REAL pgx( ip1jmp1,klevel ) , pgy( ip1jm,klevel ) |
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22 | INTEGER l,ij |
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23 | c |
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24 | c |
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25 | DO 6 l = 1,klevel |
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26 | c |
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27 | DO 2 ij = 1, ip1jmp1 - 1 |
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28 | pgx( ij,l ) = pg( ij +1,l ) - pg( ij,l ) |
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29 | 2 CONTINUE |
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30 | c |
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31 | c .... correction pour pgx(ip1,j,l) .... |
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32 | c ... pgx(iip1,j,l)= pgx(1,j,l) .... |
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33 | CDIR$ IVDEP |
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34 | DO 3 ij = iip1, ip1jmp1, iip1 |
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35 | pgx( ij,l ) = pgx( ij -iim,l ) |
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36 | 3 CONTINUE |
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37 | c |
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38 | DO 4 ij = 1,ip1jm |
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39 | pgy( ij,l ) = pg( ij,l ) - pg( ij +iip1,l ) |
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40 | 4 CONTINUE |
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41 | c |
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42 | 6 CONTINUE |
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43 | RETURN |
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44 | END |
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