idege.F

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!||====================================================================
!||    idege    ../engine/source/elements/solid/solide/idege.F
!||--- called by ------------------------------------------------------
!||    sldege   ../engine/source/elements/solid/solide/sldege.F
!||====================================================================
      SUBROUTINE idege(X1,X2,X3,X4,Y1,Y2,Y3,Y4,Z1,Z2,Z3,Z4,A,AMAX,FAC,
     .                IT4,IT,INDX,N_INDX)
C-----------------------------------------------
C   I m p l i c i t   T y p e s
C-----------------------------------------------
#include      "implicit_f.inc"
C-----------------------------------------------
C   G l o b a l   P a r a m e t e r s
C-----------------------------------------------
#include      "mvsiz_p.inc"
C-----------------------------------------------
C   D u m m y   A r g u m e n t s
C-----------------------------------------------
      my_real
     .   x1(*), x2(*), x3(*), x4(*), y1(*), y2(*), y3(*), y4(*),
     .   z1(*), z2(*), z3(*), z4(*),a(mvsiz),amax(*),fac(mvsiz)
      INTEGER, INTENT(IN) ::N_INDX
      INTEGER, DIMENSION(MVSIZ), INTENT(IN) :: INDX
      INTEGER IT4(MVSIZ),IT(MVSIZ)
C-----------------------------------------------
C   L o c a l   V a r i a b l e s
C-----------------------------------------------
      INTEGER IDE(MVSIZ),I,J
      my_real
     .   x12,y12,z12,x23,y23,z23,x34,y34,z34,x41,y41,z41
C-----------------------------------------------
        ide(1:mvsiz) = 0
#include      "vectorize.inc"
        DO j=1,n_indx
                i = indx(j)
                x12 = x2(i) - x1(i)
                y12 = y2(i) - y1(i)
                z12 = z2(i) - z1(i)
                IF (x12==zero.AND.y12==zero.AND.z12==zero) ide(i) = 1
C       
                x23 = x2(i) - x3(i)
                y23 = y2(i) - y3(i)
                z23 = z2(i) - z3(i)
                IF (x23==zero.AND.y23==zero.AND.z23==zero) ide(i) = 1
C       
                x34 = x4(i) - x3(i)
                y34 = y4(i) - y3(i)
                z34 = z4(i) - z3(i)
                IF (x34==zero.AND.y34==zero.AND.z34==zero) ide(i) = 1
C       
                x41 = x4(i) - x1(i)
                y41 = y4(i) - y1(i)
                z41 = z4(i) - z1(i)
                IF (x41==zero.AND.y41==zero.AND.z41==zero) ide(i) = 1
                IF (ide(i)==0) it4(i) =0
                IF (a(i) > amax(i) )THEN
                        it(i)=ide(i)
                        amax(i) = a(i)
                END IF
        ENDDO
C       
      RETURN
      END