Last change
on this file since 1324 was
2,
checked in by lmdz, 25 years ago
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Initial revision
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Property svn:eol-style set to
native
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Property svn:executable set to
*
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Property svn:keywords set to
Author Date Id Revision
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File size:
1.2 KB
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1 | SUBROUTINE nxgrad (klevel, rot, x, y ) |
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2 | c |
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3 | c P. Le Van |
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4 | c |
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5 | c ******************************************************************** |
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6 | c calcul du gradient tourne de pi/2 du rotationnel du vect.v |
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7 | c ******************************************************************** |
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8 | c rot est un argument d'entree pour le s-prog |
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9 | c x et y sont des arguments de sortie pour le s-prog |
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10 | c |
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11 | IMPLICIT NONE |
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12 | c |
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13 | #include "dimensions.h" |
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14 | #include "paramet.h" |
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15 | #include "comgeom.h" |
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16 | INTEGER klevel |
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17 | REAL rot( ip1jm,klevel ),x( ip1jmp1,klevel ),y(ip1jm,klevel ) |
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18 | INTEGER l,ij |
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19 | c |
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20 | c |
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21 | DO 10 l = 1,klevel |
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22 | c |
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23 | DO 1 ij = 2, ip1jm |
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24 | y( ij,l ) = ( rot( ij,l ) - rot( ij-1,l ) ) * cvsurcuv( ij ) |
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25 | 1 CONTINUE |
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26 | c |
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27 | c ..... correction pour y ( 1,j,l ) ...... |
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28 | c |
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29 | c .... y(1,j,l)= y(iip1,j,l) .... |
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30 | CDIR$ IVDEP |
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31 | DO 2 ij = 1, ip1jm, iip1 |
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32 | y( ij,l ) = y( ij +iim,l ) |
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33 | 2 CONTINUE |
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34 | c |
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35 | DO 4 ij = iip2,ip1jm |
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36 | x( ij,l ) = ( rot( ij,l ) - rot( ij -iip1,l ) ) * cusurcvu( ij ) |
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37 | 4 CONTINUE |
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38 | DO 6 ij = 1,iip1 |
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39 | x( ij ,l ) = 0. |
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40 | x( ij +ip1jm,l ) = 0. |
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41 | 6 CONTINUE |
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42 | c |
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43 | 10 CONTINUE |
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44 | RETURN |
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45 | END |
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