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*DECK APX
      SUBROUTINE APX(NENTRY,HENTRY,IENTRY,JENTRY,KENTRY)
*
*-----------------------------------------------------------------------
*
*Purpose:
* Creation and construction of an APEX database object.
*
*Copyright:
* Copyright (C) 2025 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): A. Hebert
*
*Parameters: input/output
* NENTRY  number of LCM objects or files used by the operator.
* HENTRY  name of each LCM object or file:
*         HENTRY(1) APEX database object;
*         HENTRY(I) I>1 read-only type(L_BURNUP, L_LIBRARY or L_EDIT).
* IENTRY  type of each LCM object or file:
*         =1 LCM memory object; =2 XSM file; =3 sequential binary file;
*         =4 sequential ascii file.
* JENTRY  access of each LCM object or file:
*         =0 the LCM object or file is created;
*         =1 the LCM object or file is open for modifications;
*         =2 the LCM object or file is open in read-only mode.
* KENTRY  LCM object address or file unit number.
*
*-----------------------------------------------------------------------
*
      USE GANLIB
      USE hdf5_wrap
*----
*  SUBROUTINE ARGUMENTS
*----
      INTEGER      NENTRY,IENTRY(NENTRY),JENTRY(NENTRY)
      TYPE(C_PTR)  KENTRY(NENTRY)
      CHARACTER    HENTRY(NENTRY)*12
*----
*  LOCAL VARIABLES
*----
      PARAMETER (NSTATE=40,MAXPAR=50,MAXISO=800,NKEYS=6,NREAK=20,
     1 MAXLIN=50,MAXMAC=2)
      INTEGER RANK,TYPE,NBYTE,DIMSR(5)
      TYPE(C_PTR) IPAPX,IPLB1,IPDEPL,IPEDIT
      CHARACTER TEXT4*4,TEXT8*8,TEXT12*12,TEXT20*20,HAPXX*80,HSIGN*12,
     1 KEYWRD(NKEYS)*4,NOMISO(MAXISO)*8,NOMEVO(MAXISO)*12,
     2 NOMREA(NREAK)*4,HSMG*131,NOMMAC(MAXMAC)*8
      DOUBLE PRECISION DFLOTT
      LOGICAL LINIT,LWARN,LGNEW(MAXPAR)
      INTEGER IDATA(NSTATE),NVALUE(MAXPAR),TYPISO(MAXISO),MUPLET(MAXPAR)
      CHARACTER REV*48,DATE*64,HEQUI*80
*----
*  ALLOCATABLE ARRAYS
*----
      INTEGER, POINTER, DIMENSION(:) :: HMIX
      INTEGER, ALLOCATABLE, TARGET, DIMENSION(:) :: HMIX2
      REAL, ALLOCATABLE, DIMENSION(:) :: TIMES,ENRGA
      TYPE(C_PTR), ALLOCATABLE, DIMENSION(:) :: IPRHS
      INTEGER, ALLOCATABLE, DIMENSION(:) :: DIMS_APX
      CHARACTER(LEN=8), ALLOCATABLE, DIMENSION(:) :: PARFMT
      CHARACTER(LEN=80), ALLOCATABLE, DIMENSION(:) :: PARNAM
      CHARACTER(LEN=4), ALLOCATABLE, DIMENSION(:) :: TEXT4V1
      CHARACTER(LEN=8), ALLOCATABLE, DIMENSION(:) :: TEXT8V1
*----
*  DATA STATEMENTS
*----
      DATA KEYWRD/'NOML','PARA','ISOT','MACR','REAC',';   '/
*----
*  SCRATCH STORAGE ALLOCATION
*----
      ALLOCATE(IPRHS(NENTRY))
*----
*  PARAMETER VALIDATION.
*----
      LINIT=.FALSE.
      IF(NENTRY.EQ.0) CALL XABORT('APX: PARAMETERS EXPECTED.')
      IF((IENTRY(1).EQ.6).AND.(JENTRY(1).EQ.0)) THEN
         IPAPX=KENTRY(1)
         LINIT=.TRUE.
         HAPXX='DRAGON5_OUTPUT'
         CALL hdf5_write_data(IPAPX,"/structure_type",TRIM(HAPXX))
         CALL KDRVER(REV,DATE)
         WRITE(6,400) REV
         CALL hdf5_write_data(IPAPX,"/structure_version",TRIM(REV))
         CALL hdf5_create_group(IPAPX,'explicit')
      ELSE IF(IENTRY(1).EQ.6) THEN
         IPAPX=KENTRY(1)
         CALL hdf5_info(IPAPX,"/structure_type",RANK,TYPE,NBYTE,DIMSR)
         IF(TYPE.EQ.99) THEN
            TEXT12=HENTRY(1)
            CALL XABORT('APX: HDF FILE '//TEXT12//' CANNOT BE READ.')
         ENDIF
         LINIT=.FALSE.
      ELSE
         CALL XABORT('APX: APEX HDF5 OBJECT EXPECTED.')
      ENDIF
      TYPISO(:MAXISO)=0
      IPLB1=C_NULL_PTR
      IPDEPL=C_NULL_PTR
      IPEDIT=C_NULL_PTR
      IPRHS(:NENTRY)=C_NULL_PTR
      DO 10 I=2,NENTRY
      IF(IENTRY(I).LE.2) THEN
         IF(JENTRY(I).NE.2) CALL XABORT('APX: READ-ONLY RHS EXPECTE'
     1   //'D.')
         CALL LCMGTC(KENTRY(I),'SIGNATURE',12,HSIGN)
         IF(HSIGN.EQ.'L_LIBRARY') THEN
            IPLB1=KENTRY(I)
         ELSE IF(HSIGN.EQ.'L_BURNUP') THEN
            IPDEPL=KENTRY(I)
         ELSE IF(HSIGN.EQ.'L_EDIT') THEN
            IPEDIT=KENTRY(I)
         ENDIF
      ELSE IF(IENTRY(I).EQ.6) THEN
         IPRHS(I)=KENTRY(I)
      ELSE
         CALL XABORT('APX: LCM OR HDF5 OBJECTS EXPECTED AT RHS.')
      ENDIF
   10 CONTINUE
*----
*  READ THE INPUT DATA.
*----
*     DEFAULT OPTIONS:
      IMPX=1
      IF(LINIT) THEN
         NCOMLI=0
         NPAR=0
         NPCHR=0
         NPPNT=0
         NLOC=0
         NPPNTL=0
         NPCHRL=0
         NISO=0
         NMAC=0
         NMIL=0
         NREA=0
         NISOF=0
         NISOP=0
      ELSE
         GO TO 300
      ENDIF
      ALLOCATE(PARNAM(MAXPAR),PARFMT(MAXPAR))
   20 CALL REDGET(INDIC,NITMA,FLOTT,TEXT8,DFLOTT)
      IF(INDIC.NE.3) CALL XABORT('APX: CHARACTER DATA EXPECTED(1).')

   30 IF(TEXT8.EQ.'EDIT') THEN
*        READ THE PRINT INDEX.
         CALL REDGET(INDIC,IMPX,FLOTT,TEXT4,DFLOTT)
         IF(INDIC.NE.1) CALL XABORT('APX: INTEGER DATA EXPECTED(1).')
      ELSE IF(TEXT8.EQ.'NOML') THEN
         HAPXX=' '
         CALL REDGET(INDIC,NITMA,FLOTT,HAPXX(:72),DFLOTT)
         IF(INDIC.NE.3) CALL XABORT('APX: CHARACTER DATA EXPECTED'
     1   //'(2).')
         CALL hdf5_write_data(IPAPX,"/LIBNAME",TRIM(HAPXX))
      ELSE IF(TEXT8.EQ.'PARA') THEN
         NPAR=NPAR+1
         IF(NPAR.GT.MAXPAR) CALL XABORT('APX: TOO MANY PARAMETERS.')
         PARNAM(NPAR)=' '
         CALL REDGET(INDIC,NITMA,FLOTT,PARNAM(NPAR),DFLOTT)
         IF(INDIC.NE.3) CALL XABORT('APX: CHARACTER DATA EXPECTED'
     1   //'(3).')
         DO 40 I=1,NPAR-1
         IF(PARNAM(NPAR).EQ.PARNAM(I)) CALL XABORT('APX: PARNAM '//
     1   PARNAM(NPAR)//' ALREADY DEFINED(1).')
   40    CONTINUE
         CALL REDGET(INDIC,NITMA,FLOTT,TEXT4,DFLOTT)
         IF(INDIC.NE.3) CALL XABORT('APX: CHARACTER DATA EXPECTED'
     1   //'(4).')
         IF(TEXT4.EQ.'BURN') THEN
            IF((PARNAM(NPAR).NE.'Burnup').AND.(PARNAM(NPAR).NE.'Time')
     1      .AND.(PARNAM(NPAR).NE.'Power').AND.
     2      (PARNAM(NPAR).NE.'Exposure').AND.(PARNAM(NPAR).NE.'Flux')
     3      .AND.(PARNAM(NPAR).NE.'Heavy')) THEN
              WRITE(HSMG,'(15HAPX: PARAMETER ,A,19H CANNOT BE RECOVERE,
     1        21HD FROM BURNUP OBJECT.)') TRIM(PARNAM(NPAR))
              CALL XABORT(HSMG)
            ENDIF
            PARFMT(NPAR)='FLOTTANT'
         ELSE IF(TEXT4.EQ.'VALE') THEN
            CALL REDGET(INDIC,NITMA,FLOTT,TEXT8,DFLOTT)
            IF(INDIC.NE.3) CALL XABORT('APX: CHARACTER DATA EXPECTED'
     1      //'(5).')
            IF(TEXT8.EQ.'FLOT')THEN
               PARFMT(NPAR)='FLOTTANT'
            ELSEIF(TEXT8.EQ.'CHAI')THEN
               PARFMT(NPAR)='CHAINE'
            ELSEIF(TEXT8.EQ.'ENTI')THEN
               PARFMT(NPAR)='ENTIER'
            ELSE
               CALL XABORT('APX: INVALID KEYWORD='//TEXT4//'(1).')
            ENDIF
         ELSE
            CALL XABORT('APX: INVALID KEYWORD='//TEXT4//'(2).')
         ENDIF
         NVALUE(NPAR)=0
      ELSE IF(TEXT8.EQ.'ISOT') THEN
   80    CALL REDGET(INDIC,NITMA,FLOTT,TEXT8,DFLOTT)
         IF(INDIC.NE.3) CALL XABORT('APX: CHARACTER DATA EXPECTED'
     1   //'(6).')
         IF(.NOT.C_ASSOCIATED(IPLB1)) THEN
            CALL XABORT('APX: MISSING HMIX OBJECT(1).')
         ENDIF
         DO 90 IKEY=1,NKEYS
         IF(TEXT8.EQ.KEYWRD(IKEY)) GO TO 30
   90    CONTINUE
         IF(TEXT8.EQ.'TOUT') THEN
            CALL COMISO(-1,MAXISO,IPLB1,NISO,NOMISO,NOMEVO,TYPISO)
            GO TO 20
         ELSE IF(TEXT8.EQ.'FISS') THEN
            CALL COMISO(-2,MAXISO,IPLB1,NISO,NOMISO,NOMEVO,TYPISO)
         ELSE IF(TEXT8.EQ.'PF') THEN
            CALL COMISO(-3,MAXISO,IPLB1,NISO,NOMISO,NOMEVO,TYPISO)
         ELSE IF(TEXT8.EQ.'MILI') THEN
            CALL REDGET(INDIC,NITMA,FLOTT,TEXT4,DFLOTT)
            IF(INDIC.NE.1) CALL XABORT('APX: INTEGER DATA EXPECTE'//
     1      'D(4).')
            CALL COMISO(NITMA,MAXISO,IPLB1,NISO,NOMISO,NOMEVO,TYPISO)
         ELSE
            DO 100 IKEY=1,NKEYS
            IF(TEXT8.EQ.KEYWRD(IKEY)) GO TO 30
  100       CONTINUE
            NISO=NISO+1
            IF(NISO.GT.MAXISO) CALL XABORT('APX: TOO MANY ISOTOPES.')
            NOMISO(NISO)=TEXT8
            TYPISO(NISO)=0
         ENDIF
         GO TO 80
      ELSE IF(TEXT8.EQ.'MACR') THEN
        NMAC=0
        CALL hdf5_info(IPAPX,"/explicit/MACNAME",RANK,TYPE,NBYTE,DIMSR)
        IF(TYPE.NE.99) THEN
           CALL hdf5_read_data(IPAPX,"/explicit/MACNAME",TEXT8V1)
           NMAC=SIZE(TEXT8V1)
           NOMMAC(:NMAC)=TEXT8V1(:NMAC)
           DEALLOCATE(TEXT8V1)
         ENDIF
         NMAC=NMAC+1
         IF(NMAC.GT.MAXMAC) CALL XABORT('APX: MAXMAC OVERFLOW.')
         CALL REDGET(INDIC,NITMA,FLOTT,TEXT4,DFLOTT)
         IF(INDIC.NE.3) CALL XABORT('APX: CHARACTER DATA EXPECTED'
     1    //'(7).')
         IF(TEXT4.EQ.'TOUT') THEN
           NOMMAC(NMAC)='TOTAL'
         ELSE IF(TEXT4.EQ.'REST') THEN
           NOMMAC(NMAC)='RESIDUAL'
         ELSE
           CALL XABORT('APX: INVALID KEYWORD='//TEXT4//'(3).')
         ENDIF
         CALL hdf5_write_data(IPAPX,"/explicit/MACNAME",NOMMAC(:NMAC))
      ELSE IF(TEXT8.EQ.'REAC') THEN
  110    CALL REDGET(INDIC,NITMA,FLOTT,TEXT8,DFLOTT)
         IF(INDIC.NE.3) CALL XABORT('APX: CHARACTER DATA EXPECTED'
     1   //'(8).')
         DO 120 IKEY=1,NKEYS
         IF(TEXT8.EQ.KEYWRD(IKEY)) GO TO 30
  120    CONTINUE
         DO 130 IKEY=1,NREA
         IF(TEXT8.EQ.NOMREA(IKEY)) GO TO 110
  130    CONTINUE
         NREA=NREA+1
         IF(NREA.GT.NREAK) CALL XABORT('APX: TOO MANY REACTIONS.')
         NOMREA(NREA)=TEXT8(:4)
         GO TO 110
      ELSE IF(TEXT8.EQ.'NAME') THEN
*        READ MIXTURE NAMES.
         MAXMIL=30
         ALLOCATE(HMIX(5*MAXMIL))
  140    CALL REDGET(INDIC,NITMA,FLOTT,TEXT20,DFLOTT)
         IF(INDIC.NE.3) CALL XABORT('APX: CHARACTER DATA EXPECTED'//
     1   '(9).')
         IF(TEXT20.EQ.';') GO TO 160
         NMIL=NMIL+1
         IF(NMIL.GT.MAXMIL) THEN
            ALLOCATE(HMIX2(5*(MAXMIL+30)))
            DO 150 I=1,5*MAXMIL
            HMIX2(I)=HMIX(I)
  150       CONTINUE
            DEALLOCATE(HMIX)
            MAXMIL=MAXMIL+30
            HMIX=>HMIX2
         ENDIF
         READ(TEXT20,'(5A4)') (HMIX((NMIL-1)*5+I0),I0=1,5)
         GO TO 140
      ELSE IF(TEXT8.EQ.';') THEN
         GO TO 160
      ELSE
         CALL XABORT('APX: INVALID KEYWORD='//TEXT8//'(4).')
      ENDIF
      GO TO 20
*
* ADD THE TIME PARAMETER.
  160 DO 170 I=1,NPAR
      IF((PARNAM(I).EQ.'Burnup').OR.(PARNAM(I).EQ.'Exposure')) GO TO 180
  170 CONTINUE
      GO TO 220
  180 DO 210 I=1,NPAR
      IF(PARNAM(I).EQ.'Time') GO TO 220
  210 CONTINUE
      NPAR=NPAR+1
      IF(NPAR.GT.MAXPAR) CALL XABORT('APX: TOO MANY PARAMETERS.')
      PARNAM(NPAR)='Time'
      PARFMT(NPAR)='FLOTTANT'
      NVALUE(NPAR)=0
*----
*  STORE THE APEX INITIALIZATION INFORMATION.
*----
  220 CALL hdf5_create_group(IPAPX,'physconst')
      IF(NISO.GT.0) THEN
         IF(.NOT.C_ASSOCIATED(IPLB1)) THEN
            CALL XABORT('APX: MISSING HMIX OBJECT(2).')
         ENDIF
         CALL COMISO(0,MAXISO,IPLB1,NISO,NOMISO,NOMEVO,TYPISO)
         CALL hdf5_write_data(IPAPX,"/explicit/ISONAME",NOMISO(:NISO))
         ALLOCATE(TEXT4V1(NISO))
         DO 230 I=1,NISO
         IF(TYPISO(I).EQ.1) THEN
           TEXT4V1(I)='OTHE'
         ELSE IF(TYPISO(I).EQ.2) THEN
           NISOF=NISOF+1
           TEXT4V1(I)='FISS'
         ELSE IF(TYPISO(I).EQ.3) THEN
           NISOP=NISOP+1
           TEXT4V1(I)='F.P.'
         ENDIF
  230    CONTINUE
         CALL hdf5_write_data(IPAPX,"/physconst/ISOTYP",TEXT4V1)
         CALL hdf5_write_data(IPAPX,"/physconst/ISOTA",NOMISO(:NISO))
         DEALLOCATE(TEXT4V1)
      ENDIF
      IF(NREA.GT.0) THEN
         CALL hdf5_write_data(IPAPX,"/explicit/REANAME",NOMREA(:NREA))
      ENDIF
      IF(NPAR.GT.0) THEN
        CALL hdf5_write_data(IPAPX,"/Calculation_Content",PARNAM(:NPAR))
        CALL hdf5_create_group(IPAPX,'paramvalues')
        CALL hdf5_create_group(IPAPX,'paramdescrip')
        CALL hdf5_write_data(IPAPX,"/paramdescrip/NVALUE",NVALUE(:NPAR))
        CALL hdf5_write_data(IPAPX,"/paramdescrip/PARFMT",PARFMT(:NPAR))
        CALL hdf5_write_data(IPAPX,"/paramdescrip/PARNAM",PARNAM(:NPAR))
      ENDIF
      DEALLOCATE(PARFMT,PARNAM)
*----
*  FILL THE 'physconst' GROUP.
*----
      IF(C_ASSOCIATED(IPLB1)) THEN
         CALL LCMGET(IPLB1,'STATE-VECTOR',IDATA)
         NBISO=IDATA(2)
         NGA=IDATA(3)
         ALLOCATE(ENRGA(NGA+1))
         CALL LCMGET(IPLB1,'ENERGY',ENRGA)
         DO 240 I=1,NGA+1
         ENRGA(I)=ENRGA(I)*1.0E-6
  240    CONTINUE
         CALL hdf5_write_data(IPAPX,"/physconst/ENRGA",ENRGA)
         DEALLOCATE(ENRGA)
      ELSE
         NBISO=0
         NGA=0
         NISOTA=0
      ENDIF
      NCALS=0
      CALL hdf5_write_data(IPAPX,"/NCALS",NCALS)
      GO TO 390
* END OF APEX FILE INITIALIZATION. ********************************
*----
*  INPUT AN ELEMENTARY CALCULATION. *******************************
*----
  300 CALL hdf5_read_data(IPAPX,"NCALS",NCALS)
      NORIG=NCALS
      IF(hdf5_group_exists(IPAPX,"/paramdescrip")) THEN
        CALL hdf5_get_shape(IPAPX,"/paramdescrip/NVALUE",DIMS_APX)
        NPAR=DIMS_APX(1)
        DEALLOCATE(DIMS_APX)
      ELSE
        NPAR=0
      ENDIF
      IF(NPAR.GT.0) THEN
         CALL hdf5_read_data(IPAPX,"/paramdescrip/PARNAM",PARNAM)
         CALL hdf5_read_data(IPAPX,"/paramdescrip/PARFMT",PARFMT)
      ENDIF
*
      ITIM=0
      LWARN=.FALSE.
      IMPX=1
      HEQUI=' '
      IPICK=0
  310 CALL REDGET(INDIC,NITMA,FLOTT,TEXT20,DFLOTT)
      IF(INDIC.EQ.10) GO TO 350
      IF(INDIC.NE.3) CALL XABORT('APX: CHARACTER DATA EXPECTED(10).')
      IF(TEXT20.EQ.'EDIT') THEN
*        READ THE PRINT INDEX.
         CALL REDGET(INDIC,IMPX,FLOTT,TEXT4,DFLOTT)
         IF(INDIC.NE.1) CALL XABORT('APX: INTEGER DATA EXPECTED(5).')
      ELSE IF(TEXT20.EQ.'SET') THEN
         CALL REDGET(INDIC,NITMA,XT,TEXT4,DFLOTT)
         IF(INDIC.NE.2) CALL XABORT('APX: REAL DATA EXPECTED(1).')
         CALL REDGET(INDIC,NITMA,FLOTT,TEXT4,DFLOTT)
         IF(INDIC.NE.3) CALL XABORT('APX: CHARACTER DATA EXPECTED'
     1   //'(11).')
         IF(TEXT4.EQ.'S') THEN
           XT=XT*1.0E-8
         ELSE IF(TEXT4.EQ.'DAY') THEN
           XT=XT*8.64E-4
         ELSE IF(TEXT4.EQ.'YEAR') THEN
           XT=XT*3.1536E-1
         ELSE
           CALL XABORT('APX: S, DAY OR YEAR EXPECTED.')
         ENDIF
         IF(.NOT.C_ASSOCIATED(IPDEPL)) CALL XABORT('APX: DEPLETION OBJ'
     1   //'ECT EXPECTED AT RHS.')
         CALL LCMLEN(IPDEPL,'DEPL-TIMES',NTIM,ITYLCM)
         IF(NTIM.EQ.0) CALL XABORT('APX: NO DEPLETION TIME STEPS.')
         ALLOCATE(TIMES(NTIM))
         CALL LCMGET(IPDEPL,'DEPL-TIMES',TIMES)
         DO 320 I=1,NTIM
         IF(ABS(TIMES(I)-XT).LE.1.0E-4*XT) ITIM=I
  320    CONTINUE
         IF(ITIM.EQ.0) THEN
            WRITE(HSMG,'(39HAPX: UNABLE TO FIND A DEPLETION DIRECTO,
     1      12HRY AT TIME =,1P,E12.4,5H DAY.)') XT/8.64E-4
            CALL XABORT(HSMG)
         ENDIF
         DEALLOCATE(TIMES)
         IF(IMPX.GT.0) THEN
            WRITE(TEXT12,'(8HDEPL-DAT,I4.4)') ITIM
            WRITE(6,430) XT,XT/8.64E-4,TEXT12
         ENDIF
      ELSE IF(TEXT20.EQ.'ORIG') THEN
         CALL REDGET(INDIC,NORIG,FLOTT,TEXT4,DFLOTT)
         IF(INDIC.NE.1) CALL XABORT('APX: INTEGER DATA EXPECTED(6).')
      ELSE IF(TEXT20.EQ.'EQUI') THEN
         CALL REDGET(INDIC,NORIG,FLOTT,HEQUI,DFLOTT)
         IF(INDIC.NE.3) CALL XABORT('APX: CHARACTER DATA EXPECTED(12).')
      ELSE IF(TEXT20.EQ.';') THEN
         GO TO 350
      ELSE IF(TEXT20.EQ.'ICAL') THEN
         IPICK=1
         GO TO 350
      ELSE IF(TEXT20.EQ.'WARN') THEN
         LWARN=.TRUE.
      ELSE
         IPAR=0
         DO 330 IKEY=1,NPAR
         IF(TEXT20.EQ.PARNAM(IKEY)) THEN
            IPAR=IKEY
            GO TO 340
         ENDIF
  330    CONTINUE
         CALL XABORT('APX: INVALID KEYWORD='//TEXT20//'(5).')
  340    CALL REDGET(INDIC,NITMA,FLOTT,TEXT20,DFLOTT)
         IF(PARFMT(IPAR).EQ.'ENTIER') THEN
            IF(INDIC.NE.1) CALL XABORT('APX: INTEGER DATA EXPECTE'//
     1      'D(7).')
            IF(IMPX.GT.0) WRITE(6,450) TRIM(PARNAM(IPAR)),NITMA
         ELSE IF(PARFMT(IPAR).EQ.'FLOTTANT') THEN
            IF(INDIC.NE.2) CALL XABORT('APX: REAL DATA EXPECTED(2).')
            IF(IMPX.GT.0) WRITE(6,440) TRIM(PARNAM(IPAR)),FLOTT
         ELSE IF(PARFMT(IPAR).EQ.'CHAINE') THEN
            IF(INDIC.NE.3) CALL XABORT('APX: CHARACTER DATA EXPEC'//
     1      'TED(13).')
            IF(IMPX.GT.0) WRITE(6,460) TRIM(PARNAM(IPAR)),TEXT20
         ENDIF
         CALL APXPAV(IPAPX,IPAR,NPAR,PARFMT(IPAR),FLOTT,NITMA,TEXT20,
     1   MUPLET(IPAR),LGNEW(IPAR))
      ENDIF
      GO TO 310
*----
*  RECOVER AN ELEMENTARY CALCULATION FROM EDITION.
*----
  350 IF(NPAR.GT.0) DEALLOCATE(PARFMT,PARNAM)
      NCALS=0
      CALL hdf5_info(IPAPX,"/NCALS",RANK,TYPE,NBYTE,DIMSR)
      IF(RANK.NE.99) CALL hdf5_read_data(IPAPX,"/NCALS",NCALS)
      IF(NENTRY.GE.2) THEN
         IF(C_ASSOCIATED(IPRHS(2))) GO TO 360
      ENDIF
      IF(IMPX.GT.0) WRITE(6,420) NCALS+1
      IF(ITIM.GT.0) THEN
         WRITE(TEXT12,'(8HDEPL-DAT,I4.4)') ITIM
         CALL LCMSIX(IPDEPL,TEXT12,1)
      ENDIF
*     -------------------------------------------
      CALL APXCAL(IMPX,IPAPX,IPDEPL,IPEDIT,HEQUI)
*     -------------------------------------------
      IF(ITIM.GT.0) CALL LCMSIX(IPDEPL,' ',2)
*----
*  RECOVER REMAINING GLOBAL PARAMETER AND LOCAL VALUES.
*----
      CALL APXGEP(IPAPX,IPDEPL,IMPX,ITIM,NORIG,NPAR,MUPLET,LGNEW,NVPNEW,
     1 NCALS)
      IF(IMPX.GT.0) THEN
        CALL APXTOC(IPAPX,IMPX,NLAM,NREA,NBISO,NBMAC,NMIL,NPARR,NVP,
     1  NISOF,NISOP,NISOS,NCALR,NG,NISOTS,NSURFD,NPRC)
      ENDIF
*----
*  RECOVER THE CALCULATION INDEX AND SAVE IT IN A CLE-2000 VARIABLE
*----
      IF(IPICK.EQ.1) THEN
        CALL REDGET(ITYP,NITMA,FLOTT,TEXT20,DFLOTT)
        IF(ITYP.NE.-1) CALL XABORT('APX: OUTPUT INTEGER EXPECTED.')
        ITYP=1
        CALL hdf5_read_data(IPAPX,"NCALS",NITMA)
        CALL REDPUT(ITYP,NITMA,FLOTT,TEXT20,DFLOTT)
        CALL REDGET(ITYP,NITMA,FLOTT,TEXT20,DFLOTT)
        IF((ITYP.NE.3).OR.(TEXT20.NE.';')) THEN
          CALL XABORT('APX: ; CHARACTER EXPECTED.')
        ENDIF
      ENDIF
      GO TO 390
*----
*  APEX CONCATENATION.
*----
  360 DO 370 I=2,NENTRY
      IF(.NOT.C_ASSOCIATED(IPRHS(I))) GO TO 370
      NG=0
      CALL APXTOC(IPRHS(I),IMPX,NLAM,NREA,NBISO,NBMAC,NMIL,NPARR,NVP,
     1 NISOF,NISOP,NISOS,NCALR,NG,NISOTS,NSURFD,NPRC)
      IF(IMPX.GT.0) WRITE(6,470) NCALS+1,NCALS+NCALR
*     ---------------------------------------------------------------
      CALL APXCAT(IPAPX,IPRHS(I),NORIG,NPAR,NCALS,MUPLET,LGNEW,LWARN)
*     ---------------------------------------------------------------
      NCALS=NCALS+NCALR
  370 CONTINUE
      CALL hdf5_write_data(IPAPX,"/NCALS",NCALS)
      IF(IMPX.GT.0) THEN
        CALL APXTOC(IPAPX,IMPX,NLAM,NREA,NBISO,NBMAC,NMIL,NPAR,NVP,
     1  NISOF,NISOP,NISOS,NCALS,NG,NISOTS,NSURFD,NPRC)
      ENDIF
*----
*  SCRATCH STORAGE DEALLOCATION
*----
  390 DEALLOCATE(IPRHS)
      IF(IMPX.GT.3) THEN
        WRITE(6,'(/25H APX: APEX FILE CONTENTS:)')
        FLUSH(6)
        CALL hdf5_list(IPAPX,'')
        WRITE(6,'()')
      ENDIF
      RETURN
*
  400 FORMAT(/14H APX: VERSION=,A)
  420 FORMAT(/1X,43(1H*)/34H * APX: ELEMENTARY CALCULATION NB.,I8,
     1 2H */1X,43(1H*))
  430 FORMAT(/41H APX: RECOVER INFORMATION RELATED TO TIME,1P,E12.4,
     1 8H E+8 S (,E12.4,32H DAY) FROM LCM DIRECTORY NAMED ',A12,2H'.)
  440 FORMAT(28H APX: SET GLOBAL PARAMETER ',A,3H' =,1P,E12.4)
  450 FORMAT(28H APX: SET GLOBAL PARAMETER ',A,3H' =,I10)
  460 FORMAT(28H APX: SET GLOBAL PARAMETER ',A,5H' = ',A12,1H')
  470 FORMAT(/1X,55(1H*)/35H * APX: ELEMENTARY CALCULATIONS NB.,I8,
     1 3H TO,I8,2H */1X,55(1H*))
      END