File: dcross.f

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      SUBROUTINE DCROSS(X,Y,Z)
C
C     DOUBLE PRECISION CROSS PRODUCT
C
      DOUBLE PRECISION        X(3)     ,Y(3)     ,Z(3)
C
      Z(1) = X(2)*Y(3) - X(3)*Y(2)
      Z(2) = Y(1)*X(3) - Y(3)*X(1)
      Z(3) = X(1)*Y(2) - X(2)*Y(1)
      RETURN
      END