vrrota3.F

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!||====================================================================
!||    vrrota3    ../engine/source/elements/thickshell/solide6c/vrrota3.f
!||--- called by ------------------------------------------------------
!||    s6cforc3   ../engine/source/elements/thickshell/solide6c/s6cforc3.F
!||    s6rcoor3   ../engine/source/elements/thickshell/solide6c/s6rcoor3.F
!||    s6rcoork   ../engine/source/elements/thickshell/solide6c/s6rcoork.F
!||====================================================================
      SUBROUTINE vrrota3(
     1   R11,     R12,     R13,     R21,
     2   R22,     R23,     R31,     R32,
     3   R33,     X1,      Y1,      Z1,
     4   NEL)
C-----------------------------------------------
C   I m p l i c i t   T y p e s
C-----------------------------------------------
#include      "implicit_f.inc"
C-----------------------------------------------
C   D u m m y   A r g u m e n t s
C-----------------------------------------------
      INTEGER, INTENT(IN) :: NEL
      my_real
     .   R11(*), R12(*), R13(*),
     .   R21(*), R22(*), R23(*),
     .   r31(*), r32(*), r33(*),
     .   x1(*),  y1(*), z1(*)
C-----------------------------------------------
C   C o m m o n   B l o c k s
C-----------------------------------------------
C-----------------------------------------------
C   L o c a l   V a r i a b l e s
C-----------------------------------------------
      INTEGER I
C     REAL
      my_real
     .   X,Y,Z
C-----------------------------------------------
C     X=RX' <=> X'=t(R)X chgt de base.
      DO 10 i=1,nel
       x=r11(i)*x1(i)+r21(i)*y1(i)+r31(i)*z1(i)
       y=r12(i)*x1(i)+r22(i)*y1(i)+r32(i)*z1(i)
       z=r13(i)*x1(i)+r23(i)*y1(i)+r33(i)*z1(i)
       x1(i)=x
       y1(i)=y
       z1(i)=z
   10 CONTINUE
c~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
      RETURN
      END