*DECK LZCDRV
      SUBROUTINE LZCDRV(IPDEV,IPMTX,IGEO,NMIX,NTOT,LIMIT,LNEW)
*
*-----------------------------------------------------------------------
*
*Purpose:
* Read specifications for the liquid zone controllers from input file.
*
*Copyright:
* Copyright (C) 2007 Ecole Polytechnique de Montreal.
*
*Author(s): 
* D. Sekki
*
*Parameters: input/output
* IPDEV  pointer to device information.
* IPMTX  pointer to matex information.
* IGEO   index related to the reactor geometry.
* NMIX   old maximum number of material mixtures.
* NTOT   old total number of all mixtures.
* LIMIT  core limiting coordinates.
* LNEW   flag with respect to device object:
*        =.true. in create mode; =.false. in modification mode.
*
*-----------------------------------------------------------------------
*
      USE GANLIB
*----
*  SUBROUTINE ARGUMENTS
*----
      TYPE(C_PTR) IPDEV,IPMTX
      INTEGER NMIX,NTOT
      REAL LIMIT(6)
      LOGICAL LNEW
*----
*  LOCAL VARIABLES
*----
      PARAMETER(NSTATE=40,IOUT=6)
      CHARACTER TEXT*12
      INTEGER ISTATE(NSTATE)
      DOUBLE PRECISION DFLOT
      TYPE(C_PTR) JPDEV,KPDEV
      INTEGER, ALLOCATABLE, DIMENSION(:) :: MIX,MAT
*----
*  READ INPUT DATA
*----
      IMPX=1
      CALL REDGET(ITYP,NITMA,FLOT,TEXT,DFLOT)
      IF(ITYP.NE.3)CALL XABORT('@LZCDRV: CHARACTER DATA EXPECTED(1).')
      IF(TEXT.NE.'EDIT')GOTO 10
*     PRINTING INDEX
      CALL REDGET(ITYP,IMPX,FLOT,TEXT,DFLOT)
      IF(ITYP.NE.1)CALL XABORT('@LZCDRV: INTEGER FOR EDIT EXPECTED.')
      CALL REDGET(ITYP,NITMA,FLOT,TEXT,DFLOT)
      IF(ITYP.NE.3)CALL XABORT('@LZCDRV: CHARACTER DATA EXPECTED(2).')
   10 IF(TEXT.NE.'NUM-LZC')CALL XABORT('@LZCDRV: KEYWORD NUM-LZC EXP'
     1 //'ECTED.')
*     TOTAL NUMBER OF LZC
      CALL REDGET(ITYP,NLZC,FLOT,TEXT,DFLOT)
      IF(ITYP.NE.1)CALL XABORT('@LZCDRV: INTEGER TOTAL NUMBER OF LZC'
     1 //' EXPECTED.')
      IF(NLZC.LT.1)CALL XABORT('@LZCDRV: WRONG TOTAL NUMBER OF LZC <1')
*
      NTOT2=NTOT+NLZC*4
      ALLOCATE(MIX(NTOT2),MAT(NTOT))
      MIX(:NTOT2)=0
      MAT(:NTOT)=0
      CALL LCMGET(IPMTX,'MAT',MAT)
      DO 20 I=1,NTOT
      MIX(I)=MAT(I)
   20 CONTINUE
      DEALLOCATE(MAT)
*----
*  READ OPTION
*----
      IF(IMPX.GT.0)WRITE(IOUT,1000)NLZC
      JPDEV=LCMLID(IPDEV,'DEV_LZC',NLZC)
      K=0
   30 K=K+1
      CALL REDGET(ITYP,NITMA,FLOT,TEXT,DFLOT)
      IF(TEXT.EQ.'LZC')THEN
        CALL REDGET(ITYP,ID,FLOT,TEXT,DFLOT)
        IF(ITYP.NE.1)CALL XABORT('@LZCDRV: INTEGER ID NUM'
     1   //'BER FOR THE CURRENT LZC EXPECTED.')
        IF(ID.NE.K)THEN
          WRITE(IOUT,*)'@LZCDRV: READ CURRENT LZC-ID #',ID
          WRITE(IOUT,*)'@LZCDRV: EXPECTED LZC-ID #',K
          CALL XABORT('@LZCDRV: WRONG INPUT OF ID NUMBER.')
        ENDIF
        IF(ID.GT.NLZC)THEN
          WRITE(IOUT,*)'@LZCDRV: READ CURRENT LZC-ID #',ID
          WRITE(IOUT,*)'@LZCDRV: GIVEN TOTAL NUMBER OF LZC:',NLZC
          CALL XABORT('@LZCDRV: WRONG INPUT OF LZC-ID NUMBER. GRE'
     1     //'ATER THAN THE TOTAL NUMBER OF LZC.')
        ENDIF
      ELSEIF((TEXT.EQ.'CREATE').OR.(TEXT.EQ.';'))THEN
        GOTO 40
      ELSE
        WRITE(IOUT,*)'@LZCDRV: INVALID KEYWORD ',TEXT
        CALL XABORT('@LZCDRV: KEYWORD OR ; EXPECTED.')
      ENDIF
      IF(IMPX.GT.1)WRITE(IOUT,1001)ID
      KPDEV=LCMDIL(JPDEV,ID)
*     READ INDIVIDUAL LZC DATA
      CALL LZCGET(KPDEV,NTOT,NMIX,NTOT2,MIX,ID,LIMIT,IMPX)
      GOTO 30
   40 IF(ID.NE.NLZC)THEN
        WRITE(IOUT,*)'@LZCDRV: GIVEN TOTAL NUMBER OF LZC ',NLZC
        WRITE(IOUT,*)'@LZCDRV: READ ONLY THE NUMBER OF LZC ',ID
        CALL XABORT('@LZCDRV: WRONG INPUT OF LZC DEVICES.')
      ENDIF
      IF(IMPX.GT.0)WRITE(IOUT,1002)ID
      IF(TEXT.EQ.';')GOTO 50
      LGRP=0
*     TOTAL NUMBER OF LZC-GROUPS
      CALL REDGET(ITYP,NITMA,FLOT,TEXT,DFLOT)
      IF(TEXT.NE.'LZC-GR')CALL XABORT('@LZCDRV: KEYWORD LZC-GR EX'
     1 //'PECTED.')
      CALL REDGET(ITYP,LGRP,FLOT,TEXT,DFLOT)
      IF(ITYP.NE.1)CALL XABORT('@LZCDRV: INTEGER NUMBER OF LZC-GR'
     1 //'OUPS EXPECTED.')
      IF(LGRP.LT.1)CALL XABORT('@LZCDRV: WRONG NUMBER OF GROUPS <1')
*     CREATE LZC-GROUPS
      CALL LZCDGD(IPDEV,NLZC,LGRP,IMPX)
*----
*  STATE-VECTORS
*----
   50 ISTATE(:NSTATE)=0
      IF(LNEW)THEN
        ISTATE(1)=IGEO
        ISTATE(4)=NLZC
        ISTATE(5)=LGRP
      ELSE
*       UPDATE DEVICE
        CALL LCMGET(IPDEV,'STATE-VECTOR',ISTATE)
        ISTATE(4)=NLZC
        ISTATE(5)=LGRP
      ENDIF
      CALL LCMPUT(IPDEV,'STATE-VECTOR',NSTATE,1,ISTATE)
      IF(IMPX.GT.1)CALL LCMLIB(IPDEV)
*     UPDATE MATEX
      ISTATE(:NSTATE)=0
      CALL LCMGET(IPMTX,'STATE-VECTOR',ISTATE)
      ISTATE(2)=NMIX+NLZC*4
      ISTATE(5)=NTOT2
      CALL LCMPUT(IPMTX,'STATE-VECTOR',NSTATE,1,ISTATE)
      CALL LCMPUT(IPMTX,'MAT',NTOT2,1,MIX)
      DEALLOCATE(MIX)
      IF(IMPX.EQ.99)THEN
*       CHECK NEW COMPUTED VALUES
        WRITE(IOUT,*)'OLD VALUES: NMIX=',NMIX,' NTOT=',NTOT
        WRITE(IOUT,*)'NEW VALUES: NMIX=',ISTATE(2),' NTOT=',ISTATE(5)
      ENDIF
      IF(IMPX.GT.5)CALL LCMLIB(IPMTX)
      RETURN
*
 1000 FORMAT(/1X,'GIVEN TOTAL NUMBER OF LIQUID ZONE CONTROL',
     1 'LERS: ',I2//1X,'**  READING INPUT DATA FOR LZC  **')
 1001 FORMAT(/6X,'=>',2X,'LZC #',I2.2)
 1002 FORMAT(/1X,35('-')/1X,'READ TOTAL NUMBER OF LZC: ',I2)
      END