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module nxgrad_m |
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IMPLICIT NONE |
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contains |
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SUBROUTINE nxgrad(klevel, rot, x, y) |
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! From LMDZ4/libf/dyn3d/nxgrad.F, version 1.1.1.1, 2004/05/19 12:53:05 |
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! P. Le Van |
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! calcul du gradient tourne de pi/2 du rotationnel du vect.v |
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! rot est un argument d'entree pour le s-prog |
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! x et y sont des arguments de sortie pour le s-prog |
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USE dimensions |
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USE paramet_m |
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USE comgeom |
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INTEGER, INTENT (IN) :: klevel |
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REAL rot(ip1jm, klevel), x(ip1jmp1, klevel), y(ip1jm, klevel) |
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INTEGER l, ij |
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!--------------------------------------------------------------------- |
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DO l = 1, klevel |
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DO ij = 2, ip1jm |
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y(ij, l) = (rot(ij, l)-rot(ij-1, l))*cvsurcuv(ij) |
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END DO |
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! correction pour y (1, j, l) |
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! y(1, j, l)= y(iip1, j, l) |
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! DIR$ IVDEP |
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DO ij = 1, ip1jm, iip1 |
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y(ij, l) = y(ij+iim, l) |
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END DO |
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DO ij = iip2, ip1jm |
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x(ij, l) = (rot(ij, l)-rot(ij-iip1, l))*cusurcvu(ij) |
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END DO |
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DO ij = 1, iip1 |
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x(ij, l) = 0. |
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x(ij+ip1jm, l) = 0. |
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END DO |
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END DO |
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RETURN |
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END SUBROUTINE nxgrad |
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end module nxgrad_m |