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gmet.f
32 lines | 700 B | text/x-fortran | FortranFixedLexer
C $Id: gmet.f 3304 2011-01-17 15:25:59Z brideout $
C
SUBROUTINE GMET(DXDQ,G)
C
C jmh - 10/79 ans fortran 66
C
C GMET calculates the metric tensor G of a coordinate system q
C for which dx(i)/dq(j)=dxdq(i,j).
C
C Input:
C DXDQ - coordinate system array.
C
C Output:
C G - metric tensor.
C
C .. Array Arguments ..
DOUBLE PRECISION DXDQ(3,3),G(3,3)
C ..
C .. Local Scalars ..
INTEGER I,J,K
C ..
DO 30 I = 1,3
DO 20 J = 1,3
G(I,J) = 0.D0
DO 10 K = 1,3
G(I,J) = G(I,J) + DXDQ(K,I)*DXDQ(K,J)
10 CONTINUE
20 CONTINUE
30 CONTINUE
RETURN
C
END