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*DECK LIBINP
      SUBROUTINE LIBINP (MAXMIX,MAXED,MAXISO,IPLIB,INDREC,IMPX,NBISO,
     1 NGRO,NGT,NL,ITRANC,IPROB,ITIME,NLIB,NGF,IGRMAX,NDEPL,NCOMB,
     2 NEDMAC,NBMIX,NRES,IPROC,IMAC,NDEL,ISOADD,MAXISM,HVECT,IPRECI,
     3 SVDEPS,STERN)
*
*-----------------------------------------------------------------------
*
*Purpose:
* Read the information related to microscopic cross section libraries.
*
*Copyright:
* Copyright (C) 2002 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
* MAXMIX  maximum value of NBMIX.
* MAXED   maximum value of NEDMAC.
* MAXISO  maximum number of isotopes permitted.
* IPLIB   pointer to the lattice microscopic cross section library
*         (L_LIBRARY signature).
* INDREC  type of action:
*         =1 a new microlib is created; =2 the microlib is updated;
*         =3 a read-only macrolib is copied in the microlib.
* IMPX    print flag.
* NBISO   number of isotopes present in the calculation domain.
* NGRO    number of energy groups.
* NGT     number of energy groups to test.
* NL      number of Legendre orders required in the calculation.
*         NL=1 (for isotropic scattering) or higher.
* ITRANC  type of transport correction: =0 no transport correction
*         =1 Apollo type transport correction; =2 recover from
*         library; =3 WIMS-D type; =4 leakage correction alone.
* IPROB   adjoint macrolib flag:
*         =0 direct problem; =1 adjoint problem.
* ITIME   MATXS type of fission spectrum:
*         =1 steady-state; =2 prompt.
* NLIB    number of cross-section libraries.
* NGF     number of fast groups without self-shielding.
* IGRMAX  maximum group index with self-shielding.
* NDEPL   number of depleting isotopes (used by EVO:).
* NCOMB   number of depleting mixtures (used by EVO:).
* NEDMAC  number of extra vector edits.
* NBMIX   number of mixtures defined in the microlib.
* NRES    number of resonant mixtures (used by SHI:, TONE: or USS:).
* IPROC   type of microlib processing:
*         =-1: skip temperature/dilution interpolation;
*         =0: perform temperature/dilution interpolation;
*         =1: perform temperature interpolation and compute physical
*             probability tables;
*         =2: perform temperature interpolation and build a
*             temperature-independent microlib;
*         =3: perform temperature interpolation and compute calendf-
*             type mathematical probability tables based on bin-type
*             cross-sections for total cross sections;
*         =4: compute slowing-down correlated probability tables.
*         =5: perform temperature interpolation and compute calendf-
*             type mathematical probability tables based on bin-type
*             cross-sections for all available cross-sections types.
*         =6: compute orthogonal bases for the resonance spectrum
*             expansion (RSE) method.
* IMAC    macrolib construction flag:
*         =0 do not compute an embedded macrolib;
*         =1 compute an embedded macrolib.
* NDEL    number of precursor groups for delayed neutrons.
* ISOADD  flag to complete the depletion chain:
*         =0 complete; =1 do not complete.
* MAXISM  maximum number of isotopes per mixture.
* HVECT   matxs names of the extra vector edits.
* IPRECI  accuracy index for probability tables in CALENDF.
* SVDEPS  rank accuracy of the singular value decomposition.
* STERN   Sternheimer flag (=0/1: off/on).
*
*-----------------------------------------------------------------------
*
      USE GANLIB
*----
*  SUBROUTINE ARGUMENTS
*----
      TYPE(C_PTR) IPLIB
      INTEGER MAXMIX,MAXED,MAXISO,INDREC,IMPX,NBISO,NGRO,NGT,NL,ITRANC,
     > IPROB,ITIME,NLIB,NGF,IGRMAX,NDEPL,NCOMB,NEDMAC,NBMIX,NRES,IPROC,
     > IMAC,NDEL,ISOADD,MAXISM,IPRECI,STERN
      REAL SVDEPS
      CHARACTER*(*) HVECT(MAXED)
*----
*  LOCAL PARAMETERS
*----
      PARAMETER (IOUT=6,NHOBL=18,MAXPAR=5,MAXLIB=20,NSTATE=40,
     > MAXTRA=10000)
      TYPE(C_PTR) JPLIB
      DOUBLE PRECISION DBLINP
      CHARACTER TEXT4*4,TEXT12*12,HOBL(NHOBL)*8,HSMG*131,NAMFIL*64,
     >          NAMLBT*8,NAMLCM*12,NAMMY*12
      LOGICAL LNEW,EMPTY,LCM,LSET
      INTEGER KCHAR(2),ISTATE(NSTATE)
      REAL TMPDAY(3)
*----
*  ALLOCATABLE ARRAYS
*----
      INTEGER, ALLOCATABLE, DIMENSION(:) :: ISOMIX,NTFG,LSHI,NIR,ILLIB,
     > IEVOL,ITYP,KGAS
      INTEGER, ALLOCATABLE, DIMENSION(:,:) :: ISONAM,ISONRF
      REAL, ALLOCATABLE, DIMENSION(:) :: DENISO,DENMIX,TMPISO,SNISO,
     > SBISO,GIR,TMPMIX,GSN,GSB
      LOGICAL, ALLOCATABLE, DIMENSION(:) :: MASK,MASKI,MASKL
      CHARACTER(LEN=8), ALLOCATABLE, DIMENSION(:,:) :: HLIB
      CHARACTER(LEN=12), ALLOCATABLE, DIMENSION(:) :: SHINA
      CHARACTER(LEN=64), ALLOCATABLE, DIMENSION(:) :: HNAME
*----
*  DATA STATEMENTS
*----
      SAVE HOBL
      DATA HOBL  /'NFTOT   ','NG      ','N2N     ','N3N     ',
     >            'N4N     ','NA      ','NP      ','N2A     ',
     >            'NNP     ','ND      ','NT      ','NX      ',
     >            'TRANC   ','BSTC    ','BSTR    ','CSTC    ',
     >            'CSTR    ','H-FACTOR'/
*----
*  SCRATCH STORAGE ALLOCATION
*----
      ALLOCATE(ISONAM(3,MAXISO),ISONRF(3,MAXISO),ISOMIX(MAXISO),
     > NTFG(MAXISO),LSHI(MAXISO),NIR(MAXISO),ILLIB(MAXISO),I
     > EVOL(MAXISO),ITYP(MAXISO),KGAS(MAXMIX))
      ALLOCATE(DENISO(MAXISO),DENMIX(MAXMIX),TMPISO(MAXISO),
     > SNISO(MAXISO),SBISO(MAXISO),GIR(MAXISO),TMPMIX(MAXMIX))
      ALLOCATE(MASK(MAXMIX),MASKI(MAXISO))
      ALLOCATE(HNAME(MAXLIB))
      ALLOCATE(HLIB(MAXISO,4),SHINA(MAXISO))
*----
*  INITIALIZATIONS.
*----
      KEVOL=0
      IF((NGT.NE.0).AND.(NGT.NE.NGRO)) THEN
        WRITE(HSMG,400) NGT,NGRO
        CALL XABORT(HSMG)
      ENDIF
      IF((INDREC.EQ.2).AND.(NBISO.GT.0)) THEN
*        THE LIBRARY IS UPDATED. READ OLD LIBRARY INFORMATION.
         CALL LIBINF(IPLIB,MAXISO,MAXLIB,MAXED,MAXMIX,NBISO,NGRO,NL,
     1   ITRANC,NLIB,NCOMB,NEDMAC,NBMIX,ISONAM,ISONRF,ISOMIX,DENISO,
     2   TMPISO,SHINA,SNISO,SBISO,NTFG,LSHI,GIR,NIR,MASKI,HLIB,IEVOL,
     3   ITYP,ILLIB,KGAS,DENMIX,HVECT,HNAME)
         NNMIX=NBMIX
         DO 20 IIIMIX=1,MAXMIX
         DO 10 IIISO=1,NBISO
         IF(ISOMIX(IIISO).EQ.IIIMIX) THEN
           TMPMIX(IIIMIX)=TMPISO(IIISO)
           GO TO 20
         ENDIF
   10    CONTINUE
         TMPMIX(IIIMIX)=-1.0
   20    CONTINUE
      ELSE
         NBISO=0
         NELSN=0
         NNMIX=0
         DO IIIMIX=1,MAXMIX
           DENMIX(IIIMIX)=-1.0
           TMPMIX(IIIMIX)=-1.0
           KGAS(IIIMIX)=0
         ENDDO
      ENDIF
*----
*  READ THE SPECIFICATION FOR EACH ISOTOPE.
*----
      TEXT12='MIXS'
      JLIB=0
      LSET=.TRUE.
   40 IF(TEXT12.EQ.'MIXS') THEN
         CALL REDGET(INDIC,NITMA,FLOTT,TEXT4,DBLINP)
         IF((INDIC.EQ.3).AND.(TEXT4.EQ.';')) THEN
            MASKI(:NBISO)=.TRUE.
            GO TO 100
         ENDIF
         IF((INDIC.NE.3).OR.(TEXT4.NE.'LIB:'))
     >     CALL XABORT('LIBINP: KEYWORD LIB: EXPECTED')
         CALL REDGET(INDIC,NITMA,FLOTT,NAMLBT,DBLINP)
         IF(INDIC.NE.3)
     >     CALL XABORT('LIBINP: CHARACTER LIBRARY NAME REQUIRED.')
         IF( (NAMLBT.NE.'MATXS' ).AND.(NAMLBT.NE.'MATXS2').AND.
     >       (NAMLBT.NE.'APLIB1').AND.(NAMLBT.NE.'APLIB2').AND.
     >       (NAMLBT.NE.'APLIB3').AND.(NAMLBT.NE.'APXSM' ).AND.
     >       (NAMLBT.NE.'DRAGON').AND.(NAMLBT.NE.'WIMSAECL').AND.
     >       (NAMLBT.NE.'WIMSD4').AND.(NAMLBT.NE.'WIMSE' ).AND.
     >       (NAMLBT.NE.'NDAS'  ).AND.(NAMLBT.NE.'MICROLIB')) THEN
           WRITE(HSMG,'(29HLIBINP: INVALID LIBRARY TYPE ,A8)') NAMLBT
           CALL XABORT(HSMG)
         ENDIF
         CALL REDGET(INDIC,NITMA,FLOTT,TEXT12,DBLINP)
         IF((INDIC.NE.3).OR.(TEXT12.NE.'FIL:'))
     >     CALL XABORT('LIBINP: FIL: EXPECTED.')
         NAMFIL=' '
         CALL REDGET(INDIC,NITMA,FLOTT,NAMFIL,DBLINP)
         IF(INDIC.NE.3) CALL XABORT('LIBINP: CHARACTER DATA EXPECTED'//
     >   '(1).')
         CALL LIBNRG(IPLIB,NAMLBT,NAMFIL,NGRO,NGT)
         IF(NLIB.GT.0) CALL LCMGTC(IPLIB,'ILIBRARYNAME',64,NLIB,HNAME)
         DO 50 ILIB=1,NLIB
           IF(HNAME(ILIB).EQ.NAMFIL) THEN
             JLIB=ILIB
             GO TO 60
           ENDIF
   50    CONTINUE
         NLIB=NLIB+1
         IF(NLIB.GT.MAXLIB) CALL XABORT('LIBINP: MAXLIB OVERFLOW.')
         HNAME(NLIB)=NAMFIL
         CALL LCMPTC(IPLIB,'ILIBRARYNAME',64,NLIB,HNAME)
         JLIB=NLIB
   60    CALL REDGET(INDIC,NITMA,FLOTT,TEXT12,DBLINP)
         IF(INDIC.NE.3) CALL XABORT('LIBINP: CHARACTER DATA EXPECTED'//
     >   '(2).')
         GO TO 40
      ELSE IF(TEXT12.EQ.';') THEN
         GO TO 100
      ELSE IF(TEXT12.EQ.'MIX') THEN
         CALL REDGET(INDIC,NITMA,FLOTT,TEXT12,DBLINP)
         IF(INDIC.EQ.1) THEN
           NNMIX=NITMA
           CALL REDGET(INDIC,NITMA,FLOTT,TEXT12,DBLINP)
         ELSE
           NNMIX=NNMIX+1
         ENDIF
         IF(NNMIX.GT.MAXMIX) THEN
           CALL XABORT('LIBINP: MIX NUMBER LARGER THAN MAXMIX.')
         ELSE IF(NNMIX.LE.0) THEN
           CALL XABORT('LIBINP: MIX NUMBER .LE. 0.')
         ENDIF
         NBMIX=MAX(NNMIX,NBMIX)
         IF(INDIC.EQ.3) THEN
           CALL LCMLEN(IPLIB,'MACROLIB',ILONG,ITYLCM)
           IF((ILONG.NE.0).AND.LSET) THEN
*            perform a reset of the macrolib to be safe
             CALL LCMSIX(IPLIB,'MACROLIB',1)
             CALL LCMGET(IPLIB,'STATE-VECTOR',ISTATE)
             ISTATE(4)=0
             CALL LCMPUT(IPLIB,'STATE-VECTOR',NSTATE,1,ISTATE)
             CALL LCMSIX(IPLIB,' ',2)
             MASKI(:NBISO)=.TRUE.
             LSET=.FALSE.
           ENDIF
           IF(TEXT12.EQ.'COMB') THEN
*----
*  THIS MIXTURE IS A COMBINATION OF OTHER MIXTURES.
*----
              CALL LCMINF(IPLIB,NAMLCM,NAMMY,EMPTY,ILONG,LCM)
              VOLTOT=0.0
  70          VOLFRA=0.0
              MIXCMB=0
              CALL REDGET(INDIC,MIXCMB,FLOTT,TEXT12,DBLINP)
              IF(INDIC.EQ.3) THEN
                 IF(VOLTOT.EQ.0.0) CALL XABORT('LIBINP: TOTAL VOLUME F'
     >           //'RACTION OF 0.0 IS ILLEGAL.')
                 GO TO 40
              ENDIF
              IF(INDIC.EQ.2) CALL XABORT('LIBINP: MIXTURE NUMBER MISSI'
     >        //'NG FOR COMBINATION.')
              CALL REDGET(INDIC,NITMA,VOLFRA,TEXT12,DBLINP)
              IF((INDIC.EQ.1).OR.(INDIC.EQ.3)) CALL XABORT('LIBINP: VO'
     >        //'LUME FRACTION MISSING FOR COMBINATION.')
              IF(VOLFRA.EQ.0.0) CALL XABORT('LIBINP: INDIVIDUAL VOLUME'
     >        //' FRACTION OF 0.0 IS ILLEGAL.')
              CALL LIBCMB(MAXMIX,MAXISO,NBISO,NEWISO,NNMIX,MIXCMB,
     1        VOLTOT,VOLFRA,DENMIX,ISONAM,ISONRF,SHINA,ISOMIX,HLIB,
     2        ILLIB,DENISO,TMPISO,LSHI,SNISO,SBISO,NTFG,NIR,GIR,MASKI,
     3        IEVOL,ITYP)
              GO TO 70
           ELSE
             WRITE(HSMG,'(41HLIBINP: ONLY COMB KEYWORD CAN FOLLOW MIXT,
     >       12HURE NUMBER (,A,8H READED))') TEXT12
             CALL XABORT(HSMG)
           ENDIF
         ELSE
           IF(INDIC.NE.2) CALL XABORT('LIBINP: REAL NUMBER EXPECTED.')
           TMPMIX(NNMIX)=FLOTT
           CALL REDGET(INDIC,NITMA,FLOTT,TEXT12,DBLINP)
           IF(INDIC.EQ.2) THEN
             IF(DENMIX(NNMIX).EQ.-1.0) THEN
                CALL LIBCON(IPLIB,NNMIX,NBISO,ISOMIX,DENISO,
     >          DENMIX(NNMIX),2)
             ENDIF
             DENMIX(NNMIX)=FLOTT
             CALL REDGET(INDIC,NITMA,FLOTT,TEXT12,DBLINP)
           ENDIF
           IF(INDIC.NE.3) CALL XABORT('LIBINP: CHARACTER DATA EXPECT'//
     >     'ED(4).')
           IF(TEXT12.EQ.'NOEV') THEN
             CALL REDGET(INDIC,NITMA,FLOTT,TEXT12,DBLINP)
             IF(INDIC.NE.3) CALL XABORT('LIBINP: CHARACTER DATA EXPE'//
     >       'CTED(5).')
             KEVOL=1
           ELSE IF(TEXT12.EQ.'EVOL') THEN
             CALL REDGET(INDIC,NITMA,FLOTT,TEXT12,DBLINP)
             IF(INDIC.NE.3) CALL XABORT('LIBINP: CHARACTER DATA EXPE'//
     >       'CTED(6).')
             KEVOL=2
           ELSE
             KEVOL=0
           ENDIF
           IF(TEXT12.EQ.'NOGAS') THEN
             CALL REDGET(INDIC,NITMA,FLOTT,TEXT12,DBLINP)
             IF(INDIC.NE.3) CALL XABORT('LIBINP: CHARACTER DATA EXPE'//
     >       'CTED(7).')
             KGAS(NNMIX)=0
           ENDIF
           IF(TEXT12.EQ.'GAS') THEN
             CALL REDGET(INDIC,NITMA,FLOTT,TEXT12,DBLINP)
             IF(INDIC.NE.3) CALL XABORT('LIBINP: CHARACTER DATA EXPE'//
     >       'CTED(8).')
             KGAS(NNMIX)=1
           ENDIF
           IF((TEXT12.EQ.'MIX').OR.(TEXT12.EQ.'MIXS').OR.
     >        (TEXT12.EQ.';')) THEN
              DO 80 IISO=1,NBISO
              IF(ISOMIX(IISO).EQ.NNMIX) THEN
                 TMPISO(IISO)=TMPMIX(NNMIX)
                 MASKI(IISO)=.TRUE.
              ENDIF
   80         CONTINUE
           ENDIF
         ENDIF
         GO TO 40
      ENDIF
      READ(TEXT12,'(2A4)') KCHAR(1),KCHAR(2)
      DO 81 I=1,NBISO
      IF((KCHAR(1).EQ.ISONAM(1,I)).AND.(KCHAR(2).EQ.ISONAM(2,I)).AND.
     > (NNMIX.EQ.ISOMIX(I))) THEN
*        UPDATE AN EXISTING ISOTOPE.
         NEWISO=I
         LNEW=.FALSE.
         GO TO 82
      ENDIF
   81 CONTINUE
      LNEW=.TRUE.
      NBISO=NBISO+1
      NEWISO=NBISO
      IF(NBISO.GT.MAXISO) THEN
         WRITE(6,'(15H LIBINP: NBISO=,I6,8H MAXISO=,I6)') NBISO,MAXISO
         CALL XABORT('LIBINP: MAXISO TOO SMALL.')
      ENDIF
      READ(TEXT12,'(3A4)') (ISONAM(I0,NBISO),I0=1,3)
      READ(TEXT12,'(3A4)') (ISONRF(I0,NBISO),I0=1,3)
      SHINA(NBISO)=' '
      HLIB(NBISO,2:4)=' '
      NTFG(NBISO)=0
      LSHI(NBISO)=0
      GIR(NBISO)=1.0
      NIR(NBISO)=0
      ISOMIX(NBISO)=NNMIX
      DENISO(NBISO)=0.0
      SNISO(NBISO)=1.0E10
      SBISO(NBISO)=1.0E10
      IEVOL(NBISO)=KEVOL
      ITYP(NBISO)=1
*
   82 MASKI(NEWISO)=.TRUE.
      HLIB(NEWISO,1)=NAMLBT
      ILLIB(NEWISO)=JLIB
      TMPISO(NEWISO)=TMPMIX(NNMIX)
      CALL REDGET(INDIC,NITMA,FLOTT,TEXT12,DBLINP)
      IF(INDIC.EQ.3.AND.TEXT12.EQ.'=') THEN
        CALL REDGET(INDIC,NITMA,FLOTT,TEXT12,DBLINP)
        IF(INDIC.EQ.3) THEN
           READ(TEXT12,'(3A4)') (ISONRF(I0,NEWISO),I0=1,3)
        ELSE
           CALL XABORT('LIBINP: LIBRARY ISOTOPE NAME MISSING AFTER =')
        ENDIF
        CALL REDGET(INDIC,NITMA,FLOTT,TEXT12,DBLINP)
      ENDIF
      IF(INDIC.NE.2) THEN
        CALL XABORT('LIBINP: ISOTOPIC DENSITY OR WEIGHT PERCENT EXPECT'
     >  //'ED.')
      ENDIF
      IF((.NOT.LNEW).AND.(DENMIX(NNMIX).NE.-1.0).AND.(ABS(DENISO(NEWISO)
     1 -FLOTT).GT.1.0E-4)) THEN
        CALL XABORT('LIBINP: PERTURBATION OF THE WEIGHT PERCENTS IS FOR'
     1  //'BIDDEN.')
      ENDIF
      DENISO(NEWISO)=FLOTT
   90 CALL REDGET(INDIC,NITMA,FLOTT,TEXT12,DBLINP)
      IF(INDIC.EQ.2) THEN
         SNISO(NEWISO)=FLOTT
         SBISO(NEWISO)=FLOTT
      ELSE IF(INDIC.EQ.1) THEN
         LSHI(NEWISO)=NITMA
         NRES=MAX(NRES,NITMA)
         IF(IPROC.EQ.3) THEN
            NIR(NEWISO)=1
            GIR(NEWISO)=-998.0
         ELSE IF(IPROC.EQ.4) THEN
            NIR(NEWISO)=1
            GIR(NEWISO)=-999.0
         ELSE IF(IPROC.EQ.5) THEN
            NIR(NEWISO)=1
            GIR(NEWISO)=-1000.0
         ELSE IF(IPROC.EQ.6) THEN
            NIR(NEWISO)=1
            GIR(NEWISO)=-1001.0
         ENDIF
      ELSE IF(TEXT12.EQ.'INF') THEN
         SNISO(NEWISO)=1.0E10
         SBISO(NEWISO)=1.0E10
      ELSE IF(TEXT12.EQ.'SHIB') THEN
         CALL REDGET(INDIC,NITMA,FLOTT,TEXT12,DBLINP)
         IF(INDIC.NE.3) CALL XABORT('LIBINP: CHARACTER DATA EXPECTED'//
     >   '(9).')
         SHINA(NEWISO)=TEXT12
      ELSE IF(TEXT12.EQ.'THER') THEN
         CALL REDGET(INDIC,NTFG(NEWISO),FLOTT,TEXT12,DBLINP)
         IF(INDIC.NE.1) CALL XABORT('LIBINP: NUMBER OF THERMALIZED '//
     >   'GROUPS REQUIRED.')
         CALL REDGET(INDIC,NITMA,FLOTT,TEXT12,DBLINP)
         IF(INDIC.NE.3) CALL XABORT('LIBINP: CHARACTER DATA EXPECTED'//
     >   '(10).')
         HLIB(NEWISO,3)=TEXT12(:8)
      ELSE IF(TEXT12.EQ.'TCOH') THEN
         CALL REDGET(INDIC,NITMA,FLOTT,TEXT12,DBLINP)
         IF(INDIC.NE.3) CALL XABORT('LIBINP: CHARACTER DATA EXPECTED'//
     >   '(11).')
         HLIB(NEWISO,2)=TEXT12(:8)
      ELSE IF(TEXT12.EQ.'RESK') THEN
         TEXT12='RESK'
         HLIB(NEWISO,4)=TEXT12(:8)
      ELSE IF(TEXT12.EQ.'DBYE') THEN
         CALL REDGET(INDIC,NITMA,TMPISO(NEWISO),TEXT12,DBLINP)
         IF(INDIC.NE.2) CALL XABORT('LIBINP: REAL DATA EXPECTED.')
      ELSE IF(TEXT12.EQ.'CORR') THEN
         CALL REDGET(INDIC,NITMA,FLOTT,TEXT12,DBLINP)
         IF(INDIC.NE.1) CALL XABORT('LIBINP: INTEGER DATA EXPECTED(2).')
         LSHI(NEWISO)=-NITMA
         NRES=MAX(NRES,NITMA)
         IF(IPROC.EQ.3) THEN
            NIR(NEWISO)=1
            GIR(NEWISO)=-998.0
         ELSE IF(IPROC.EQ.4) THEN
            NIR(NEWISO)=1
            GIR(NEWISO)=-999.0
         ELSE IF(IPROC.EQ.5) THEN
            NIR(NEWISO)=1
            GIR(NEWISO)=-1000.0
         ELSE IF(IPROC.EQ.6) THEN
            NIR(NEWISO)=1
            GIR(NEWISO)=-1001.0
         ENDIF
      ELSE IF(TEXT12.EQ.'IRSET') THEN
         CALL REDGET(INDIC,NITMA,FLOTT,TEXT12,DBLINP)
         IF(INDIC.EQ.2) THEN
            GIR(NEWISO)=FLOTT
            IF((IPROC.EQ.3).AND.(FLOTT.NE.1.0)) CALL XABORT('LIBINP: P'
     >      //'T MAIN OPTION NOT EXPECTED.')
            IF((IPROC.EQ.4).AND.(FLOTT.NE.1.0)) CALL XABORT('LIBINP: P'
     >      //'TSL MAIN OPTION NOT EXPECTED.')
         ELSE IF(INDIC.EQ.3) THEN
            IF(TEXT12.EQ.'PT') THEN
               IF(IPROC.NE.3) CALL XABORT('LIBINP: PT MAIN OPTION NOT '
     >         //'SET.')
               GIR(NEWISO)=-998.0
            ELSE IF(TEXT12.EQ.'PTSL') THEN
               IF(IPROC.NE.4) CALL XABORT('LIBINP: PTSL MAIN OPTION NO'
     >         //'T SET.')
               GIR(NEWISO)=-999.0
            ELSE IF(TEXT12.EQ.'PTMC') THEN
               IF(IPROC.NE.5) CALL XABORT('LIBINP: PTMC MAIN OPTION NO'
     >         //'T SET.')
               GIR(NEWISO)=-1000.0
            ELSE IF(TEXT12.EQ.'RSE') THEN
               IF(IPROC.NE.6) CALL XABORT('LIBINP: RSE MAIN OPTION NOT'
     >         //' SET.')
               GIR(NEWISO)=-1001.0
            ELSE
               CALL XABORT('LIBINP: PT, PTSL OR PTMC EXPECTED.')
            ENDIF
         ELSE
            CALL XABORT('LIBINP: REAL OR CHARACTER DATA EXPECTED.')
         ENDIF
         CALL REDGET(INDIC,NITMA,FLOTT,TEXT12,DBLINP)
         IF(INDIC.EQ.1) THEN
            IF((NITMA.LT.0).OR.(NITMA.GT.NGRO)) CALL
     >      XABORT('LIBINP: INVALID VALUE OF NIR.')
            NIR(NEWISO)=NITMA
         ELSE IF((INDIC.EQ.3).AND.(TEXT12.EQ.'NONE')) THEN
            NIR(NEWISO)=NGRO+1
         ELSE
            CALL XABORT('LIBINP: NONE OR INTEGER DATA EXPECTED.')
         ENDIF
      ELSE IF(TEXT12.EQ.'NOEV') THEN
         IEVOL(NEWISO)=1
      ELSE IF(TEXT12.EQ.'EVOL') THEN
         IEVOL(NEWISO)=2
      ELSE IF(TEXT12.EQ.'SAT') THEN
         IEVOL(NEWISO)=3
      ELSE
         IF(INDIC.NE.3) CALL XABORT('LIBINP: CHARACTER DATA EXPECTED'//
     >   '(12).')
         GO TO 40
      ENDIF
      GO TO 90
*----
*  INCLUDE SOME DEFAULT EXTRA EDITS.
*----
  100 IF((NGRO.EQ.0).OR.(NGT.EQ.0)) CALL XABORT('LIBINP: NUMBER OF GRO'
     > //'UPS REQUIRED.')
      DO 120 I=1,NHOBL
      DO 110 IED=1,NEDMAC
      IF(HVECT(IED).EQ.HOBL(I)) GO TO 120
  110 CONTINUE
      NEDMAC=NEDMAC+1
      IF(NEDMAC.GT.MAXED) CALL XABORT('LIBINP: TOO MANY EXTRA EDITS R'
     > //'EQUESTED.')
      HVECT(NEDMAC)=HOBL(I)
  120 CONTINUE
*----
*  ADD THE MISSING ISOTOPES FROM THE DEPLETION CHAIN.
*----
      IF((NDEPL.NE.0).AND.(ISOADD.EQ.0)) THEN
         NBISOL=NBISO
         CALL LCMSIX(IPLIB,'DEPL-CHAIN',1)
         CALL LCMGET(IPLIB,'STATE-VECTOR',ISTATE)
         IF(ISTATE(1).NE.NDEPL) CALL XABORT('LIBINP: INVALID NUMBER OF'
     >   //' DEPLETING ISOTOPES.')
         NFISS=ISTATE(2)
         NSUPF=ISTATE(5)
         NSUPS=ISTATE(7)
         NREAC=ISTATE(8)
         NPAR=ISTATE(9)
         CALL LIBEAD(IPLIB,MAXISO,MAXMIX,IMPX,NDEPL,NFISS,NSUPS,
     1   NREAC,NPAR,NBISO,ISONAM,ISONRF,HLIB,ILLIB,ISOMIX,TMPISO,
     2   IEVOL,ITYP,NCOMB)
         CALL LCMSIX(IPLIB,' ',2)
*
         DO 140 ISOT=NBISOL+1,NBISO
         SNISO(ISOT)=1.0E10
         SBISO(ISOT)=1.0E10
         DENISO(ISOT)=0.0
         NTFG(ISOT)=0
         SHINA(ISOT)=' '
         HLIB(ISOT,2:4)=' '
         LSHI(ISOT)=0
         GIR(ISOT)=1.0
         NIR(ISOT)=0
         MASKI(ISOT)=.TRUE.
  140    CONTINUE
      ENDIF
*----
*  SET THE MIXTURE MASKS.
*----
      DO 170 I=1,NBMIX
        MASK(I)=.FALSE.
        DO 150 JJ=1,NBISO
          IF((ISOMIX(JJ).EQ.I).AND.MASKI(JJ)) THEN
            MASK(I)=.TRUE.
            GO TO 160
          ENDIF
  150   CONTINUE
  160   CONTINUE
  170 CONTINUE
*----
*  FIND AND NAME DISTINCT ISOTOPES.
*----
      DO 200 I=1,NBISO
      IF(MASKI(I).AND.(ILLIB(I).NE.0)) THEN
*       CATENATE THE 4-DIGIT MIXTURE SUFFIX.
        DO 190 J=1,I-1
        IF((ISONAM(1,I).NE.ISONAM(1,J)).OR.(ISONAM(2,I).NE.ISONAM(2,J)))
     >  GO TO 190
        IF((ISONRF(1,I).NE.ISONRF(1,J)).OR.(ISONRF(2,I).NE.ISONRF(2,J))
     >  .OR.(ISONRF(3,I).NE.ISONRF(3,J))) GO TO 190
        IF(SHINA(I).NE.SHINA(J)) GO TO 190
        IF((LSHI(I).NE.0).AND.(LSHI(J).NE.0).AND.(DENISO(I).EQ.0.0)
     >  .AND.(DENISO(J).NE.0.0)) GO TO 190
        IF((LSHI(I).NE.0).AND.(LSHI(J).NE.0).AND.(DENISO(I).NE.0.0)
     >  .AND.(DENISO(J).EQ.0.0)) GO TO 190
        DO 180 IOP=1,4
        IF(HLIB(I,IOP).NE.HLIB(J,IOP)) GO TO 190
  180   CONTINUE
        IF(ILLIB(I).NE.ILLIB(J)) GO TO 190
        IF((NTFG(I).NE.NTFG(J)).OR.(GIR(I).NE.GIR(J)).OR.
     >  (NIR(I).NE.NIR(J)).OR.(TMPISO(I).NE.TMPISO(J))) GO TO 190
        IF(((LSHI(I).EQ.0).AND.(LSHI(J).EQ.0))
     >    .OR.((IPROC.NE.0).AND.(LSHI(I).EQ.LSHI(J)))) THEN
           MASKI(I)=.FALSE.
           WRITE(TEXT4,'(I4.4)') ISOMIX(J)
           GO TO 195
        ENDIF
  190   CONTINUE
        WRITE(TEXT4,'(I4.4)') ISOMIX(I)
  195   READ(TEXT4,'(A4)') ISONAM(3,I)
      ENDIF
  200 CONTINUE
*
      IF(IMPX.GT.1) THEN
         WRITE (IOUT,320)
         DO 210 I=1,NBISO
           IF(ISOMIX(I).EQ.0) GO TO 210
           DZN=DENMIX(ISOMIX(I))
           IF(DZN.EQ.-1.0) THEN
             WRITE (IOUT,330) I,(ISONAM(I0,I),I0=1,3),(ISONRF(I0,I),
     >       I0=1,3),HLIB(I,1),ILLIB(I),ISOMIX(I),DENISO(I),
     >       TMPISO(I),SNISO(I),LSHI(I),SHINA(I),NTFG(I),HLIB(I,3),
     >       HLIB(I,4),HLIB(I,2)
           ELSE
             WRITE (IOUT,340) I,(ISONAM(I0,I),I0=1,3),(ISONRF(I0,I),
     >       I0=1,3),HLIB(I,1),ILLIB(I),ISOMIX(I),DZN,DENISO(I),
     >       TMPISO(I),SNISO(I),LSHI(I),SHINA(I),NTFG(I),HLIB(I,3),
     >       HLIB(I,4),HLIB(I,2)
           ENDIF
  210    CONTINUE
      ENDIF
*----
*  READ OLD DILUTIONS IF PRESENT.
*----
      NGIS=NGRO*NBISO
      ALLOCATE(GSN(NGIS),GSB(NGIS))
      GSN(:NGIS)=1.0E10
      GSB(:NGIS)=1.0E10
      CALL LCMLEN(IPLIB,'ISOTOPESDSN',NELSN,ITYLCM)
      IF(NELSN.GT.0) THEN
        CALL LCMGET(IPLIB,'ISOTOPESDSN',GSN)
        CALL LCMGET(IPLIB,'ISOTOPESDSB',GSB)
      ENDIF
      ILOCSN=0
      ILOCSB=0
      DO 215 ISO=1,NBISO
        IF(SNISO(ISO).GT.0.0) THEN
          GSN(ILOCSN+1:ILOCSN+NGRO)=SNISO(ISO)
          GSB(ILOCSB+1:ILOCSB+NGRO)=SBISO(ISO)
        ENDIF
        ILOCSN=ILOCSN+NGRO
        ILOCSB=ILOCSB+NGRO
  215 CONTINUE
*----
*  SAVE THE LIBRARY SPECIFIC INFORMATION.
*----
      NBMIX=0
      DO 220 I=1,NBISO
      NBMIX=MAX(NBMIX,ISOMIX(I))
  220 CONTINUE
      IF(NBMIX.GT.MAXMIX) CALL XABORT('LIBINP: MAXMIX TOO SMALL.')
      TEXT12='L_LIBRARY'
      CALL LCMPTC(IPLIB,'SIGNATURE',12,TEXT12)
      ISTATE(:NSTATE)=0
      ISTATE(1)=MAXMIX
      ISTATE(2)=NBISO
      ISTATE(3)=NGRO
      ISTATE(4)=NL
      ISTATE(5)=ITRANC
      ISTATE(6)=IPROB
      ISTATE(7)=ITIME
      ISTATE(8)=NLIB
      ISTATE(9)=MIN(NGF,NGRO+1)
      ISTATE(10)=IGRMAX
      ISTATE(11)=NDEPL
      ISTATE(12)=NCOMB
      ISTATE(13)=NEDMAC
      ISTATE(14)=NBMIX
      ISTATE(15)=NRES
      ISTATE(17)=IPROC
      ISTATE(18)=IMAC
      ISTATE(19)=NDEL
      ISTATE(20)=0
      ISTATE(21)=ISOADD
      ISTATE(22)=MAXISM
      ISTATE(23)=IPRECI
      ISTATE(27)=STERN
      CALL LCMPUT(IPLIB,'STATE-VECTOR',NSTATE,1,ISTATE)
      CALL LCMPUT(IPLIB,'ISOTOPESUSED',3*NBISO,3,ISONAM)
      CALL LCMPUT(IPLIB,'ISOTOPERNAME',3*NBISO,3,ISONRF)
      CALL LCMPUT(IPLIB,'ISOTOPESMIX',NBISO,1,ISOMIX)
      CALL LCMPUT(IPLIB,'ISOTOPESTODO',NBISO,1,IEVOL)
      CALL LCMPUT(IPLIB,'ISOTOPESTYPE',NBISO,1,ITYP)
      IF(NLIB.GT.0) THEN
        CALL LCMPTC(IPLIB,'ILIBRARYTYPE',8,NBISO,HLIB(:NBISO,1))
        CALL LCMPUT(IPLIB,'ILIBRARYINDX',NBISO,1,ILLIB)
        CALL LCMPTC(IPLIB,'ISOTOPESCOH',8,NBISO,HLIB(:NBISO,2))
        CALL LCMPTC(IPLIB,'ISOTOPESINC',8,NBISO,HLIB(:NBISO,3))
        CALL LCMPTC(IPLIB,'ISOTOPESRESK',8,NBISO,HLIB(:NBISO,4))
        CALL LCMPUT(IPLIB,'ISOTOPESNTFG',NBISO,1,NTFG)
        CALL LCMPTC(IPLIB,'ISOTOPESHIN',12,NBISO,SHINA)
        CALL LCMPUT(IPLIB,'ISOTOPESSHI',NBISO,1,LSHI)
        CALL LCMPUT(IPLIB,'ISOTOPESDSN',NGIS,2,GSN)
        CALL LCMPUT(IPLIB,'ISOTOPESDSB',NGIS,2,GSB)
        CALL LCMPUT(IPLIB,'ISOTOPESGIR',NBISO,2,GIR)
        CALL LCMPUT(IPLIB,'ISOTOPESNIR',NBISO,1,NIR)
      ENDIF
      CALL LCMPUT(IPLIB,'ISOTOPESTEMP',NBISO,2,TMPISO)
      IF(NEDMAC.GT.0) THEN
         CALL LCMPTC(IPLIB,'ADDXSNAME-P0',8,NEDMAC,HVECT)
      ENDIF
      CALL LCMPUT(IPLIB,'MIXTUREGAS',NBMIX,1,KGAS)
      DEALLOCATE(GSB,GSN)
*----
*  CHECK FOR DUPLICATE ALIAS.
*----
      DO 255 I=1,NBISO
      IF(ISOMIX(I).EQ.0) GO TO 255
      DO 250 J=I+1,NBISO
      IF((ISOMIX(I).EQ.ISOMIX(J)).AND.(ISONRF(1,I).EQ.ISONRF(1,J))
     1   .AND.(ISONRF(2,I).EQ.ISONRF(2,J))
     2   .AND.(ISONRF(3,I).EQ.ISONRF(3,J)).AND.(LSHI(I).NE.0)) THEN
         WRITE(HSMG,390) (ISONAM(I1,I),I1=1,3),(ISONAM(I1,J),I1=1,3),
     >   (ISONRF(I1,I),I1=1,3),ISOMIX(I)
         CALL XABORT(HSMG)
      ENDIF
  250 CONTINUE
  255 CONTINUE
*----
*  READ AND INTERPOLATE IN THE MICROSCOPIC X-SECTIONS LIBRARIES.
*----
      IF(NGRO.EQ.0) CALL XABORT('LIBINP: NUMBER OF GROUPS NOT DEFINED.')
      IF((IPROC.EQ.0).AND.(NLIB.GT.0)) THEN
*        ------------------------------------
         CALL LIBLIB (IPLIB,NBISO,MASKI,IMPX)
*        ------------------------------------
      ELSE IF((IPROC.GT.0).AND.(NLIB.GT.0)) THEN
         CALL LIBSUB (MAXISO,MAXTRA,IPLIB,IPROC,NGRO,NBISO,NLIB,ISONAM,
     1   TMPISO,MASKI,IPRECI,SVDEPS,IMPX)
      ELSE IF((IPROC.EQ.-1).AND.(NLIB.GT.0)) THEN
         JPLIB=LCMLID(IPLIB,'ISOTOPESLIST',NBISO)
      ENDIF
      CALL LCMVAL(IPLIB,' ')
*
      IF(IMPX.GT.0) THEN
         CALL LCMGET(IPLIB,'STATE-VECTOR',ISTATE)
         ITRANC=ISTATE(5)
         NGF=ISTATE(9)
         IGRMAX=ISTATE(10)
         NDEPL=ISTATE(11)
         NBESP=ISTATE(16)
         NDEL=ISTATE(19)
         NFISS=ISTATE(20)
         NPART=ISTATE(26)
         STERN=ISTATE(27)
         WRITE (IOUT,300) IMPX,IPROB,ITIME,NLIB,NGF,IGRMAX,NBISO,NBMIX,
     1   NRES,NCOMB,NEDMAC,NGRO,NL
         WRITE (IOUT,305) ITRANC,NBESP,IPROC,IMAC,NDEL,NDEPL,NFISS,
     1   ISOADD,MAXISM,IPRECI,NPART,STERN
         IF(IPROC.EQ.6) WRITE(IOUT,306) SVDEPS
         IF(NEDMAC.GT.0) WRITE (IOUT,310) (I,HVECT(I),I=1,NEDMAC)
         IF(NLIB.GT.0) THEN
            WRITE(IOUT,315)
            DO 260 ILIB=1,NLIB
            WRITE(IOUT,'(1X,I4,4H -- ,A)') ILIB,HNAME(ILIB)
  260       CONTINUE
         ENDIF
      ENDIF
*----
*  COMPUTE AND STORE THE EFFECTIVE DENSITY FROM AWR AND MATERIAL DENSITY
*----
      DO 270 IMX=1,NBMIX
      IF(MASK(IMX).AND.(DENMIX(IMX).GE.0.0)) THEN
         CALL LIBCON(IPLIB,IMX,NBISO,ISOMIX,DENISO,DENMIX(IMX),1)
      ENDIF
  270 CONTINUE
      IF(IMPX.GT.0) THEN
         WRITE (IOUT,370)
         DO 280 I=1,NBISO
           IF(ISOMIX(I).EQ.0) GO TO 280
           IF(MASK(ISOMIX(I))) THEN
              WRITE (IOUT,380) I,(ISONAM(I0,I),I0=1,3),(ISONRF(I0,I),
     >        I0=1,3),HLIB(I,1),ILLIB(I),ISOMIX(I),DENISO(I),
     >        TMPISO(I),SNISO(I),LSHI(I),SHINA(I),NTFG(I),
     >        HLIB(I,3),HLIB(I,4),HLIB(I,2)
           ENDIF
  280    CONTINUE
      ENDIF
      CALL LCMPUT(IPLIB,'ISOTOPESDENS',NBISO,2,DENISO)
*----
*  STORE MIXTURES DENSITIES
*----
      CALL LCMPUT(IPLIB,'MIXTURESDENS',NBMIX,2,DENMIX)
*----
*  COMPUTE THE MACROSCOPIC X-SECTIONS.
*----
      IF(IMAC.EQ.1) THEN
         ALLOCATE(MASKL(NGRO))
         MASKL(:NGRO)=.TRUE.
         ITSTMP=0
         TMPDAY(1)=0.0
         TMPDAY(2)=0.0
         TMPDAY(3)=0.0
         CALL LIBMIX(IPLIB,NBMIX,NGRO,NBISO,ISONAM,ISOMIX,DENISO,MASK,
     >   MASKL,ITSTMP,TMPDAY)
         DEALLOCATE(MASKL)
      ENDIF
*----
*  SCRATCH STORAGE DEALLOCATION
*----
      DEALLOCATE(HNAME)
      DEALLOCATE(MASKI,MASK)
      DEALLOCATE(HLIB)
      DEALLOCATE(TMPMIX,GIR,SBISO,SNISO,TMPISO,DENMIX,DENISO)
      DEALLOCATE(KGAS,ITYP,IEVOL,ILLIB,NIR,LSHI,NTFG,ISOMIX,
     > ISONRF,ISONAM)
      RETURN
*
  300 FORMAT(/8H OPTIONS/8H -------/
     1 7H IMPX  ,I6,30H   (0=NO PRINT/1=SHORT/2=MORE)/
     2 7H IPROB ,I6,23H   (0=DIRECT/1=ADJOINT)/
     3 7H ITIME ,I6,28H   (1=STEADY-STATE/2=PROMPT)/
     4 7H NLIB  ,I6,32H   (NUMBER OF SETS OF LIBRARIES)/
     5 7H NGF   ,I6,48H   (NUMBER OF FAST GROUP WITHOUT SELF-SHIELDING)/
     6 7H IGRMAX,I6,41H   (LAST GROUP INDEX WITH SELF-SHIELDING)/
     7 7H NBISO ,I6,36H   (NUMBER OF ISOTOPES OR MATERIALS)/
     8 7H NBMIX ,I6,23H   (NUMBER OF MIXTURES)/
     9 7H NRES  ,I6,40H   (NUMBER OF SETS OF RESONANT MIXTURES)/
     1 7H NCOMB ,I6,33H   (NUMBER OF DEPLETING MIXTURES)/
     2 7H NEDMAC,I6,34H   (NUMBER OF CROSS SECTION EDITS)/
     3 7H NGRO  ,I6,28H   (NUMBER OF ENERGY GROUPS)/
     4 7H NL    ,I6,30H   (NUMBER OF LEGENDRE ORDERS))
  305 FORMAT(
     1 7H ITRANC,I6,45H   (0=NO TRANSPORT CORRECTION/1=APOLLO TYPE/2,
     2 57H=RECOVER FROM LIBRARY/3=WIMS-D TYPE/4=LEAKAGE CORRECTION)/
     3 7H NBESP ,I6,47H   (NUMBER OF ENERGY-DEPENDENT FISSION SPECTRA)/
     4 7H IPROC ,I6,47H   (-1=SKIP LIBRARY PROCESSING/0=DILUTION INTER,
     5 49HPOLATION/1=USE PHYSICAL TABLES/2=BUILD A DRAGLIB//
     6 17X,56H3=COMPUTE CALENDF TABLES/4=SLOWING-DOWN TABLES/5=ALL CAL,
     7 11HENDF/6=RSE)/
     8 7H IMAC  ,I6,45H   (0=DO NOT/1=DO BUILD AN EMBEDDED MACROLIB)/
     9 7H NDEL  ,I6,31H   (NUMBER OF PRECURSOR GROUPS)/
     1 7H NDEPL ,I6,33H   (NUMBER OF DEPLETING ISOTOPES)/
     2 7H NFISS ,I6,48H   (NUMBER OF FISSILE ISOTOPES WITH PYIELD DATA)/
     3 7H ISOADD,I6,37H   (0=COMPLETE BURNUP CHAIN/1=DO NOT)/
     4 7H MAXISM,I6,40H   (MAX. NUMBER OF ISOTOPES PER MIXTURE)/
     5 7H IPRECI,I6,34H   (CALENDF ACCURACY FLAG:1/2/3/4)/
     6 7H NPART ,I6,34H   (NUMBER OF COMPANION PARTICLES)/
     7 7H STERN ,I6,47H   (STERNHEIMER FLAG FOR CHARGED PARTICLES:0/1))
  306 FORMAT(7H SVDEPS,1P,E10.3,27H (RANK ACCURACY OF THE SVD))
  310 FORMAT(/45H CROSS SECTION EDIT NAME (LCM DIRECTORY NAME)/1X,
     1 44(1H-)/(1X,I3,2X,A6,5X,I3,2X,A6,5X,I3,2X,A6))
  315 FORMAT(/35H AVAILABLE CROSS-SECTION LIBRARIES:)
  320 FORMAT(/' SPEC     LOCAL NAME    ISOTOPE       FROM LIBRARY  MI',
     1 'X   DENSITY     WEIGHT%     TEMP(K)    SIGZERO   SELF-SHIEL  ',
     2 'THERMAL CORRECTION'/' -------  ------------  ------------  --',
     3 '----------  ----  ----------  ----------  ---------  --------',
     4 '  ----------  ------------------')
  330 FORMAT(1X,I7,2X,3A4,2X,3A4,2X,A8,I4,2X,I4,1P,E12.4,12X,E11.3,
     1 E10.2,I4,2X,A8,I4,1X,3A8)
  340 FORMAT(1X,I7,2X,3A4,2X,3A4,2X,A8,I4,2X,I4,1P,2E12.4,E11.3,E10.2,
     1 I4,2X,A8,I4,1X,3A8)
  370 FORMAT(/58X,'NUMBER'/' SPEC     LOCAL NAME    ISOTOPE       FRO',
     1 'M LIBRARY  MIX   DENSITY     TEMP(K)    SIGZERO    SELF-SHIEL',
     2 '  THERMAL CORRECTION'/' -------  ------------  ------------  ',
     3 '------------  ----  ----------  ---------  ---------  -------',
     4 '---  ------------------')
  380 FORMAT(1X,I7,2X,3A4,2X,3A4,2X,A8,I4,2X,I4,1P,E12.4,2E11.3,I4,2X,
     1 A8,I4,1X,3A8)
  390 FORMAT(9HLIBINP: ',3A4,7H' AND ',3A4,24H' ARE BOTH ALIAS FOR THE,
     1 23H SAME LIBRARY ISOTOPE ',3A4,12H' IN MIXTURE,I5,1H.)
  400 FORMAT('LIBINP: Invalid group structure',2I10)
      END