degenes8.F

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!||====================================================================
!||    degenes8      ../engine/source/elements/solid/solide/degenes8.F
!||--- called by ------------------------------------------------------
!||    s8cforc3      ../engine/source/elements/thickshell/solide8c/s8cforc3.F
!||    s8eforc3      ../engine/source/elements/solid/solide8e/s8eforc3.F
!||    s8sforc3      ../engine/source/elements/solid/solide8s/s8sforc3.F
!||    s8zforc3      ../engine/source/elements/solid/solide8z/s8zforc3.F
!||    sdlen_dege    ../engine/source/elements/solid/solide/sdlen_dege.F
!||    sdlen_sms     ../engine/source/elements/solid/solidez/sdlen_sms.F
!||--- calls      -----------------------------------------------------
!||    intab         ../engine/source/implicit/ind_glob_k.F
!||--- uses       -----------------------------------------------------
!||    element_mod   ../common_source/modules/elements/element_mod.F90
!||====================================================================
      SUBROUTINE degenes8(
     1   IXS,     IDEGE,   NEL)
      use element_mod , only : nixs
C-----------------------------------------------
C   I m p l i c i t   T y p e s
C-----------------------------------------------
#include      "implicit_f.inc"
C-----------------------------------------------
C   C o m m o n   B l o c k s
C-----------------------------------------------
C-----------------------------------------------
C   D u m m y   A r g u m e n t s
C-----------------------------------------------
      INTEGER, INTENT(IN) :: NEL
      INTEGER IXS(NIXS,*), IDEGE(*)
C-----------------------------------------------
C   External function
C-----------------------------------------------
      LOGICAL INTAB
      EXTERNAL intab
C-----------------------------------------------
C   L o c a l   V a r i a b l e s
C-----------------------------------------------
      INTEGER I ,NC(8),NJ,J
C-----------------------------------------------
      DO i=1,nel
       idege(i)=0
       DO j=1,8
        nc(j)=ixs(j+1,i)
       END DO
       DO j=1,8
        nj=nc(j)
        nc(j)=0
        IF (intab(8,nc,nj)) idege(i)=idege(i)+1
        nc(j)=nj
       END DO
C------number of degenerate nodes       
       idege(i)=idege(i)/2 
      ENDDO
C      
      RETURN
      END