is_sup_face_id.F

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!||====================================================================
!||    is_sup_face_id   ../engine/source/interfaces/inter3d/is_sup_face_id.F
!||--- called by ------------------------------------------------------
!||    i8msr3           ../engine/source/interfaces/inter3d/i8msr3.F
!||    spmd_i8_irtl     ../engine/source/mpi/interfaces/spmd_i8tool.F
!||====================================================================
      FUNCTION is_sup_face_id(A,B)
C-----------------------------------------------
C   I n f o r m a t i o n s            
C-----------------------------------------------
C Comparison of the User ID of two faces.
C This UID is defined by four User ID of the nodes
C-----------------------------------------------
C   Dummy   Arguments
C-----------------------------------------------
        INTEGER :: a(4),b(4)
        INTEGER :: is_sup_face_id
        is_sup_face_id = 0       
        IF( a(1) > b(1) .OR.
     .  a(1) == b(1) .AND. ( a(2) > b(2) .OR.
     .  a(2) == b(2) .AND. ( a(3) > b(3) .OR.
     .  a(3) == b(3) .AND. a(4) > b(4)))) THEN
          is_sup_face_id = 1
        ENDIF
        RETURN
      END FUNCTION