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*DECK KELMRG
FUNCTION KELMRG(IPGEOM, NSURO, NVOLO, IDLGEO, MATGEO)
*
*-----------------------------------------------------------------------
*
*Purpose:
* Merge zones for a heterogeneous block.
*
*Copyright:
* Copyright (C) 1990 Ecole Polytechnique de Montreal
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version
*
*Author(s): R. Roy
*
*Parameters: input
* IPGEOM pointer to the geometry.
* NSURO number of surfaces for a specific geometry.
* NVOLO number of zones for a specific geometry.
* IDLGEO specific position for a geometry.
*
*Parameters: output
* MATGEO numbering of zones and surfaces for all geometries.
* KELMRG number of surfaces and zones renumbered.
*
*-----------------------------------------------------------------------
*
USE GANLIB
IMPLICIT NONE
LOGICAL SWONCE
TYPE(C_PTR) IPGEOM
INTEGER KELMRG,NSURO,NVOLO,IDLGEO,MATGEO(*)
INTEGER IOUT, IND, MATMIN, MATMAX, ITYLCM, IMRG, JMRG,
> ILEN, I
PARAMETER ( IOUT=6 )
*
IND(I)= IDLGEO + I
CALL LCMLEN(IPGEOM, 'MERGE', ILEN, ITYLCM)
IF( ILEN.EQ.0 )THEN
KELMRG= NVOLO - NSURO + 1
ELSE
IF( ILEN.GT.NVOLO )
> CALL XABORT('KELMRG: MERGING HAS TOO MANY ZONES' )
CALL LCMGET(IPGEOM, 'MERGE', MATGEO(IND(1)) )
MATMIN= 100000000
MATMAX=-100000000
DO 10 IMRG= 1, ILEN
IF( MATGEO(IND(IMRG)).LT.MATMIN) MATMIN= MATGEO(IND(IMRG))
IF( MATGEO(IND(IMRG)).GT.MATMAX) MATMAX= MATGEO(IND(IMRG))
10 CONTINUE
IF( MATMIN.NE.1 )
> CALL XABORT('KELMRG: NO FIRST MERGING ZONE' )
DO 30 JMRG= MATMIN, MATMAX
SWONCE= .FALSE.
DO 20 IMRG= 1, ILEN
SWONCE= SWONCE.OR.(MATGEO(IND(IMRG)).EQ.JMRG)
20 CONTINUE
IF( .NOT.SWONCE )THEN
WRITE(IOUT,*) 'WHERE IS MERGE REGION NO.', JMRG
CALL XABORT('KELMRG: ERROR IN MERGE NUMBERING' )
ENDIF
30 CONTINUE
KELMRG= MATMAX - NSURO + 1
ENDIF
*
RETURN
END
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