i1chk2.F

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C
!||====================================================================
!||    i1chk2                 ../starter/source/interfaces/inter2d1/i1chk2.F
!||--- called by ------------------------------------------------------
!||    inint2                 ../starter/source/interfaces/inter2d1/inint2.F
!||--- calls      -----------------------------------------------------
!||    inori2                 ../starter/source/interfaces/inter2d1/inori2.F
!||    inrch2                 ../starter/source/interfaces/inter2d1/inrch2.F
!||    local_index            ../starter/source/interfaces/interf1/local_index.F
!||--- uses       -----------------------------------------------------
!||====================================================================
      SUBROUTINE i1chk2(X,IRECT,IXQ,NRT,NINT,NSN,NSV,NOINT,ID,TITR)
C-----------------------------------------------
C   M o d u l e s
C-----------------------------------------------
        USE names_and_titles_mod , ONLY : nchartitle
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 NRT, NINT, NSN, NOINT
      INTEGER IRECT(4,*), IXQ(*), NSV(*)
      my_real x(3,*)
      INTEGER ID
      CHARACTER(LEN=NCHARTITLE)::TITR
C-----------------------------------------------
C   L o c a l   V a r i a b l e s
C-----------------------------------------------
      INTEGER I, II, NEL, IG, IL
      my_real ym1, ym2, zm1, zm2, ye(4) ,ze(4)
C-----------------------------------------------
C   S o u r c e   L i n e s
C-----------------------------------------------
C
      ! LOOP OVER FLUID SEGMENTS (SECND)
      DO i=1,nrt
        ii=i
        !SEARCH FOR QUAD CONNECTED TO CURRENT FLUID SEGMENT
        CALL inrch2(x    , irect, ixq, ii ,  nel,
     .              nint , ym1  , ym2, zm1,
     .              zm2  , ye   , ze , id ,  titr)
 
        !CHECK SEGMENT CONNECTIVITY, REVERSE IT IF NEEDED
        CALL inori2(irect, ii   , nel,  nint,
     .              noint, ym1  , ym2,  zm1,  zm2 ,
     .              ye   , ze )
      ENDDO
C-----------------------------------------------
C     IRECT <- REPLACE INTERNAL IDENTIFIER 'IG' WITH LOCAL ID 'IL' FROM FLUID NODES : NSV(IL)=IG
C-----------------------------------------------
      ! LOOP OVER FLUID SEGMENTS (SECND)
      DO i=1,nrt
 
        ig=irect(1,i)
        ! NSV(IL)=IG , IL \in [1:NSN]
        CALL local_index(il,ig,nsv,nsn)  !NSV:list of fluid nodes (ordered),  !NSN:number of fluid nodes
        irect(1,i)=il
 
        ig=irect(2,i) !also for other segment node.
        ! NSV(IL)=IG , IL \in [1:NSN]
        CALL local_index(il,ig,nsv,nsn)
        irect(2,i)=il
 
      ENDDO
C-----------------------------------------------
      RETURN
      END