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*DECK LIBCOR
SUBROUTINE LIBCOR (IPLIB,NGRO,ISOT,JSOT,HNAMIS1,HNAMIS2)
*
*-----------------------------------------------------------------------
*
*Purpose:
* Compute the correlation information between a pair of resonant
* isotopes for the CALENDF method.
*
*Copyright:
* Copyright (C) 2003 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
* IPLIB pointer to the internal library (L_LIBRARY signature).
* NGRO number of energy groups.
* ISOT position in list of the first isotope.
* JSOT position in list of the second isotope.
* HNAMIS1 local name of the first isotope:
* HNAMIS1(1:8) is the local isotope name;
* HNAMIS1(9:12) is a suffix function of the mixture index.
* HNAMIS2 local name of the second isotope
* HNAMIS2(1:8) is the local isotope name;
* HNAMIS2(9:12) is a suffix function of the mixture index.
*
*-----------------------------------------------------------------------
*
USE GANLIB
*----
* SUBROUTINE ARGUMENTS
*----
TYPE(C_PTR) IPLIB
INTEGER NGRO,ISOT,JSOT
CHARACTER HNAMIS1*12,HNAMIS2*12
*----
* LOCAL VARIABLES
*----
PARAMETER(MAXNPT=12)
TYPE(C_PTR) JPLIB,IP1,IP2,JP1,JP2,KP1,KP2
REAL SIGQT1(MAXNPT),SIGQT2(MAXNPT),WSLD1(MAXNPT**2),
1 WSLD2(MAXNPT**2)
DOUBLE PRECISION SUMA1,SUMB1,SUMA2,SUMB2
INTEGER, ALLOCATABLE, DIMENSION(:) :: NFS1,NFS2
REAL, ALLOCATABLE, DIMENSION(:) :: TBIN1,TBIN2,EBIN,DBIN,PROB1,
1 PROB2
DOUBLE PRECISION, ALLOCATABLE, DIMENSION(:) :: COMOM
*----
* SCRATCH STORAGE ALLOCATION
*----
ALLOCATE(NFS1(NGRO),NFS2(NGRO))
*
JPLIB=LCMGID(IPLIB,'ISOTOPESLIST')
IP1=LCMGIL(JPLIB,ISOT) ! set ISOT-th isotope
IP2=LCMGIL(JPLIB,JSOT) ! set JSOT-th isotope
CALL LCMLEN(IP1,'BIN-NFS',LENGT1,ITYLCM)
CALL LCMLEN(IP2,'BIN-NFS',LENGT2,ITYLCM)
IF((LENGT1.EQ.0).OR.(LENGT1.NE.LENGT2)) CALL XABORT('LIBCOR: UNA'
1 //'BLE TO FIND CONSISTENT BIN TYPE INFORMATION.')
CALL LCMGET(IP1,'BIN-NFS',NFS1)
CALL LCMGET(IP2,'BIN-NFS',NFS2)
LBIN=0
IGRMIN=1
IGRMAX=NGRO
DO 10 IGRP=NGRO,1,-1
IF(NFS1(IGRP).NE.NFS2(IGRP)) CALL XABORT('INVALID BIN INFO.')
IF((IGRMAX.EQ.IGRP).AND.(NFS1(IGRP).EQ.0)) IGRMAX=IGRP-1
LBIN=LBIN+NFS1(IGRP)
10 CONTINUE
DO 20 IGRP=1,NGRO
IF((IGRMIN.EQ.IGRP).AND.(NFS1(IGRP).EQ.0)) IGRMIN=IGRP+1
20 CONTINUE
ALLOCATE(TBIN1(LBIN),TBIN2(LBIN),EBIN(LBIN+1),DBIN(LBIN))
CALL LCMGET(IP1,'BIN-ENERGY',EBIN)
CALL LCMGET(IP1,'BIN-NTOT0',TBIN1)
CALL LCMGET(IP2,'BIN-NTOT0',TBIN2)
CALL LCMSIX(IP1,'PT-TABLE',1)
CALL LCMSIX(IP2,'PT-TABLE',1)
*---
* LOOP OVER THE RESONANT ENERGY GROUPS.
*---
LBIN=0
JP1=LCMGID(IP1,'GROUP-PT')
JP2=LCMGID(IP2,'GROUP-PT')
DO 130 IGRP=IGRMIN,IGRMAX
SUMA1=0.0D0
SUMB1=0.0D0
SUMA2=0.0D0
SUMB2=0.0D0
DO 30 IGF=1,NFS1(IGRP)
SIGTA=MAX(0.002,TBIN1(LBIN+IGF))
SIGTB=MAX(0.002,TBIN2(LBIN+IGF))
DELM=LOG(EBIN(LBIN+IGF)/EBIN(LBIN+IGF+1))
SUMA1=SUMA1+TBIN1(LBIN+IGF)*DELM
SUMB1=SUMB1+SIGTA*DELM
SUMA2=SUMA2+TBIN2(LBIN+IGF)*DELM
SUMB2=SUMB2+SIGTB*DELM
TBIN1(LBIN+IGF)=SIGTA
TBIN2(LBIN+IGF)=SIGTB
DBIN(LBIN+IGF)=DELM
30 CONTINUE
DO 40 IGF=1,NFS1(IGRP)
TBIN1(LBIN+IGF)=TBIN1(LBIN+IGF)*REAL(SUMA1/SUMB1)
TBIN2(LBIN+IGF)=TBIN2(LBIN+IGF)*REAL(SUMA2/SUMB2)
40 CONTINUE
*
CALL LCMLEL(JP1,IGRP,N1,ITYLCM)
CALL LCMLEL(JP2,IGRP,N2,ITYLCM)
IF((N1.EQ.0).OR.(N2.EQ.0)) GO TO 120
KP1=LCMGIL(JP1,IGRP)
KP2=LCMGIL(JP2,IGRP)
CALL LCMLEN(KP1,'SIGQT-SIGS',NQT1,ITYLCM)
CALL LCMLEN(KP2,'SIGQT-SIGS',NQT2,ITYLCM)
CALL LCMLEN(KP1,'PROB-TABLE',NQT10,ITYLCM)
CALL LCMLEN(KP2,'PROB-TABLE',NQT20,ITYLCM)
ALLOCATE(PROB1(NQT10),PROB2(NQT20))
CALL LCMGET(KP1,'PROB-TABLE',PROB1)
CALL LCMGET(KP2,'PROB-TABLE',PROB2)
DO 50 I=1,NQT1
SIGQT1(I)=PROB1(MAXNPT+I)
50 CONTINUE
DO 60 I=1,NQT2
SIGQT2(I)=PROB2(MAXNPT+I)
60 CONTINUE
*
ALLOCATE(COMOM(NQT1*NQT2))
CALL LIBCOM(NFS1(IGRP),DBIN(LBIN+1),TBIN1(LBIN+1),
1 TBIN2(LBIN+1),NQT1,NQT2,COMOM)
CALL LIBOMG(NQT1,1-NQT1/2,SIGQT1,NQT2,1-NQT2/2,SIGQT2,
1 COMOM,WSLD1)
DEALLOCATE(COMOM)
*---
* CHECK NORMALIZATION OF THE CORRELATED WEIGHT MATRIX.
*---
DO 80 I=1,NQT1
SUM=0.0
DO 70 J=1,NQT2
SUM=SUM+WSLD1((J-1)*NQT1+I)
70 CONTINUE
IF(ABS(SUM-PROB1(I)).GT.1.0E-4) THEN
CALL XABORT('LIBCOR: BAD NORMALIZATION EXCEPTION(1).')
ENDIF
80 CONTINUE
DO 100 I=1,NQT2
SUM=0.0
DO 90 J=1,NQT1
SUM=SUM+WSLD1((I-1)*NQT1+J)
90 CONTINUE
IF(ABS(SUM-PROB2(I)).GT.1.0E-4) THEN
CALL XABORT('LIBCOR: BAD NORMALIZATION EXCEPTION(2).')
ENDIF
100 CONTINUE
DEALLOCATE(PROB2,PROB1)
*
CALL LCMPUT(KP1,HNAMIS2,NQT1*NQT2,2,WSLD1)
DO 115 I=1,NQT1
DO 110 J=1,NQT2
WSLD2((I-1)*NQT2+J)=WSLD1((J-1)*NQT1+I)
110 CONTINUE
115 CONTINUE
CALL LCMPUT(KP2,HNAMIS1,NQT2*NQT1,2,WSLD2)
120 LBIN=LBIN+NFS1(IGRP)
130 CONTINUE
*
CALL LCMSIX(IP2,' ',2)
CALL LCMSIX(IP1,' ',2)
DEALLOCATE(DBIN,EBIN,TBIN2,TBIN1)
*----
* SCRATCH STORAGE DEALLOCATION
*----
DEALLOCATE(NFS2,NFS1)
RETURN
END
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