get_group_id.F

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!||====================================================================
!||    get_group_id   ../engine/source/interfaces/int22/get_group_id.F
!||--- called by ------------------------------------------------------
!||    sinit22_fvm    ../engine/source/interfaces/int22/sinit22_fvm.F
!||====================================================================
      SUBROUTINE get_group_id(
     1             II      , NG        , IG        , IPARG     )
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-----------------------------------------------
#include      "com01_c.inc"
#include      "param_c.inc"
C-----------------------------------------------
C   D u m m y   A r g u m e n t s
C-----------------------------------------------
      INTEGER, INTENT(IN)    :: II, IPARG(NPARG,*)
      INTEGER, INTENT(INOUT) :: NG, IG 
C-----------------------------------------------
C   L o c a l   V a r i a b l e s
C-----------------------------------------------
      INTEGER NEL, NFL, I, NG_
      LOGICAL DONE
C-----------------------------------------------
C   D e s c r i p t i o n
C-----------------------------------------------
C Interface Type22 (/INTER/TYPE22) is an FSI coupling method based on cut cell method. 
C   This experimental cut cell method is not completed, abandoned, and is not an official option.
C
C   Defines following surjective application  
C            [1:SPHI]    -->   [1:NGROUP] x [1:MVSIZ] 
C               II      |-->        (NG,IG)
C          (intent IN)           (intent OUT)
C-----------------------------------------------
C   S o u r c e   L i n e s
C-----------------------------------------------
        done=.false.
        DO ng_=1,ngroup
          nel=iparg(2,ng_)
          nfl=iparg(3,ng_)
          IF((ii>nfl).AND.(ii<=nfl+nel))THEN
            ig    = ii - nfl
            ng    = ng_
            done  =.true.        
            EXIT  !exit loop
          ELSE
            cycle !next NG  
          ENDIF
          if (.NOT.(done).OR.ii==0)then
            print *, "int 22 : error in group sorting."
            stop
          end if
        ENDDO !next NG
C-----------------------------------------------
      RETURN
      END SUBROUTINE get_group_id