s8zkeg3.F

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!||====================================================================
!||    s8zkeg3    ../engine/source/elements/solid/solide8z/s8zkeg3.F
!||--- called by ------------------------------------------------------
!||    s10cumg3   ../engine/source/elements/solid/solide10/s10cumg3.F
!||    s20cumg3   ../engine/source/elements/solid/solide20/s20cumg3.F
!||    s4cumg3    ../engine/source/elements/solid/solide4/s4cumg3.F
!||    s8zlke3    ../engine/source/elements/solid/solide8z/s8zlke3.F
!||====================================================================
      SUBROUTINE s8zkeg3(LFT,LLT,
     .   PXYI, PYXI ,PXZI,PZXI ,PYZI,PZYI,
     .   PXYJ, PYXJ ,PXZJ,PZXJ ,PYZJ,PZYJ, G, KIJ,IS)
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 LFT,LLT,IS
C     REAL
      my_real
     .   pxyi(*), pyxi(*) ,pxzi(*),pzxi(*) ,pyzi(*),pzyi(*),
     .   pxyj(*), pyxj(*) ,pxzj(*),pzxj(*) ,pyzj(*),pzyj(*), 
     .   g(*), kij(3,3,*)
C-----------------------------------------------
C   L o c a l   V a r i a b l e s
C-----------------------------------------------
      INTEGER I
C     REAL
C---+----1----+----2----+----3----+----4----+----5----+----6----+----7--
      IF (is==1) THEN
       DO i=lft,llt
        kij(1,1,i)=kij(1,1,i)+g(i)*(pxyi(i)*pxyj(i)+pxzi(i)*pxzj(i))
        kij(2,2,i)=kij(2,2,i)+g(i)*(pyxi(i)*pyxj(i)+pyzi(i)*pyzj(i))
        kij(3,3,i)=kij(3,3,i)+g(i)*(pzxi(i)*pzxj(i)+pzyi(i)*pzyj(i))
        kij(1,2,i)=kij(1,2,i)+g(i)*pxyi(i)*pyxj(i)
        kij(1,3,i)=kij(1,3,i)+g(i)*pxzi(i)*pzxj(i)
        kij(2,3,i)=kij(2,3,i)+g(i)*pyzi(i)*pzyj(i)
       ENDDO
      ELSE
       DO i=lft,llt
        kij(1,1,i)=kij(1,1,i)+g(i)*(pxyi(i)*pxyj(i)+pxzi(i)*pxzj(i))
        kij(2,2,i)=kij(2,2,i)+g(i)*(pyxi(i)*pyxj(i)+pyzi(i)*pyzj(i))
        kij(3,3,i)=kij(3,3,i)+g(i)*(pzxi(i)*pzxj(i)+pzyi(i)*pzyj(i))
        kij(1,2,i)=kij(1,2,i)+g(i)*pxyi(i)*pyxj(i)
        kij(2,1,i)=kij(2,1,i)+g(i)*pxyj(i)*pyxi(i)
        kij(1,3,i)=kij(1,3,i)+g(i)*pxzi(i)*pzxj(i)
        kij(3,1,i)=kij(3,1,i)+g(i)*pxzj(i)*pzxi(i)
        kij(2,3,i)=kij(2,3,i)+g(i)*pyzi(i)*pzyj(i)
        kij(3,2,i)=kij(3,2,i)+g(i)*pyzj(i)*pzyi(i)
       ENDDO
      ENDIF 
      RETURN
      END