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+*DECK BIVSYS
+ SUBROUTINE BIVSYS(IPTRK,IPMACR,IPSYS,IMPX,NGRP,NEL,NBFIS,NALBP,
+ 1 MAT,VOL,NBMIX)
+*
+*-----------------------------------------------------------------------
+*
+*Purpose:
+* Recover the diffusion coefficient and cross-section data in LCM
+* object with pointer IPMACR, compute and store the corresponding
+* system matrices.
+*
+*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
+* IPTRK L_TRACK pointer to the bivac tracking information.
+* IPMACR L_MACROLIB pointer to the cross sections.
+* IPSYS L_SYSTEM pointer to system matrices.
+* IMPX print parameter (equal to zero for no print).
+* NGRP number of energy groups.
+* NEL total number of finite elements.
+* NBFIS number of fissionable isotopes.
+* NALBP number of physical albedos per energy group.
+* MAT index-number of the mixture type assigned to each volume.
+* VOL volumes.
+* NBMIX total number of material mixtures in the macrolib.
+*
+*-----------------------------------------------------------------------
+*
+ USE GANLIB
+*----
+* SUBROUTINE ARGUMENTS
+*----
+ TYPE(C_PTR) IPTRK,IPMACR,IPSYS
+ INTEGER IMPX,NGRP,NEL,NBFIS,NALBP,MAT(NEL),NBMIX
+ REAL VOL(NEL)
+*----
+* LOCAL VARIABLES
+*----
+ PARAMETER (NSTATE=40)
+ INTEGER ISTATE(NSTATE)
+ CHARACTER TEXT12*12,HSMG*131
+ LOGICAL LFIS
+ TYPE(C_PTR) JPMACR,KPMACR
+ INTEGER, DIMENSION(:), ALLOCATABLE :: IJJ,NJJ,IPOS
+ REAL, DIMENSION(:), ALLOCATABLE :: WORK
+ REAL, DIMENSION(:,:), ALLOCATABLE :: ALBP,GAMMA,SGD,ZUFIS
+ REAL, DIMENSION(:,:,:), ALLOCATABLE :: CHI
+*
+ ALB(X)=0.5*(1.0-X)/(1.0+X)
+*----
+* SCRATCH STORAGE ALLOCATION
+*----
+ ALLOCATE(IJJ(NBMIX),NJJ(NBMIX),IPOS(NBMIX))
+ ALLOCATE(GAMMA(NALBP,NGRP),SGD(NBMIX,3),WORK(NBMIX*NGRP),
+ 1 CHI(NBMIX,NBFIS,NGRP),ZUFIS(NBMIX,NBFIS))
+*----
+* PROCESS PHYSICAL ALBEDO INFORMATION AND CALCULATION OF
+* MULTIGROUP ALBEDO FUNCTIONS
+*----
+ IF(NALBP.GT.0) THEN
+ ALLOCATE(ALBP(NALBP,NGRP))
+ CALL LCMGET(IPMACR,'ALBEDO',ALBP)
+ CALL LCMGET(IPTRK,'STATE-VECTOR',ISTATE)
+ IELEM=ISTATE(8)
+ ICOL=ISTATE(9)
+ DO IGR=1,NGRP
+ GAMMA(:NALBP,IGR)=0.0
+ DO IALB=1,NALBP
+ IF((IELEM.LT.0).OR.(ICOL.EQ.4)) THEN
+ GAMMA(IALB,IGR)=ALB(ALBP(IALB,IGR))
+ ELSE IF(ALBP(IALB,IGR).NE.1.0) THEN
+ GAMMA(IALB,IGR)=1.0/ALB(ALBP(IALB,IGR))
+ ELSE
+ GAMMA(IALB,IGR)=1.0E20
+ ENDIF
+ ENDDO
+ WRITE(TEXT12,'(9HALBEDO-FU,I3.3)') IGR
+ CALL LCMPUT(IPSYS,TEXT12,NALBP,2,GAMMA(1,IGR))
+ ENDDO
+ DEALLOCATE(ALBP)
+ ENDIF
+*
+ JPMACR=LCMGID(IPMACR,'GROUP')
+ DO 70 IGR=1,NGRP
+* PROCESS SECONDARY GROUP IGR.
+ KPMACR=LCMGIL(JPMACR,IGR)
+*----
+* PROCESS LEAKAGE AND REMOVAL TERMS
+*----
+ CALL LCMLEN(KPMACR,'NTOT0',LENGT,ITYLCM)
+ IF(LENGT.EQ.0) THEN
+ CALL XABORT('BIVSYS: NO TOTAL CROSS SECTIONS.')
+ ELSE IF(LENGT.GT.NBMIX) THEN
+ CALL XABORT('BIVSYS: INVALID LENGTH FOR TOTAL CROSS SECTIONS.')
+ ENDIF
+ CALL LCMGET(KPMACR,'NTOT0',SGD(1,3))
+ CALL LCMLEN(KPMACR,'SIGW00',LENGT,ITYLCM)
+ IF(LENGT.GT.0) THEN
+ IF(LENGT.GT.NBMIX) CALL XABORT('BIVSYS: INVALID LENGTH FOR '
+ 1 //'''SIGW00'' CROSS SECTIONS.')
+ CALL LCMGET(KPMACR,'SIGW00',SGD(1,1))
+ DO 10 IBM=1,NBMIX
+ SGD(IBM,3)=SGD(IBM,3)-SGD(IBM,1)
+ 10 CONTINUE
+ ENDIF
+ CALL LCMLEN(KPMACR,'DIFF',LENGT1,ITYLCM)
+ IF(LENGT1.GT.0) THEN
+ IF(LENGT1.GT.NBMIX) CALL XABORT('BIVSYS: INVALID LENGTH FOR'
+ 1 //' DIFF (ISOTROPIC DIFFUSION COEFFICIENT).')
+ CALL LCMGET(KPMACR,'DIFF',SGD(1,1))
+ DO 20 IBM=1,NBMIX
+ SGD(IBM,2)=SGD(IBM,1)
+ 20 CONTINUE
+ ENDIF
+ CALL LCMLEN(KPMACR,'DIFFX',LENGT2,ITYLCM)
+ IF(LENGT2.GT.0) THEN
+ IF(LENGT2.GT.NBMIX) CALL XABORT('BIVSYS: INVALID LENGTH FOR'
+ 1 //' DIFFX (ANISOTROPIC DIFFUSION COEFFICIENT).')
+ CALL LCMGET(KPMACR,'DIFFX',SGD(1,1))
+ DO 30 IBM=1,NBMIX
+ SGD(IBM,2)=SGD(IBM,1)
+ 30 CONTINUE
+ ENDIF
+ CALL LCMLEN(KPMACR,'DIFFY',LENGT3,ITYLCM)
+ IF(LENGT3.GT.0) THEN
+ IF(LENGT3.GT.NBMIX) CALL XABORT('BIVSYS: INVALID LENGTH FOR'
+ 1 //' DIFFY (ANISOTROPIC DIFFUSION COEFFICIENT).')
+ CALL LCMGET(KPMACR,'DIFFY',SGD(1,2))
+ ENDIF
+ IF((LENGT1.EQ.0).AND.(LENGT2.EQ.0)) THEN
+ CALL XABORT('BIVSYS: NO DIFFUSION COEFFICIENTS.')
+ ENDIF
+ DO 35 IBM=1,NBMIX
+ IF((SGD(IBM,1).LT.0.0).OR.(SGD(IBM,3).LT.0.0)) THEN
+ WRITE(HSMG,'(28HBIVSYS: NEGATIVE XS IN GROUP,I5)') IGR
+ CALL XABORT(HSMG)
+ ENDIF
+ 35 CONTINUE
+ WRITE(TEXT12,'(1HA,2I3.3)') IGR,IGR
+ CALL BIVASM(TEXT12,0,IPTRK,IPSYS,IMPX,NBMIX,NEL,0,3,NALBP,MAT,
+ 1 VOL,GAMMA(1,IGR),SGD)
+*----
+* PROCESS SCATTERING TERMS
+*----
+ CALL LCMLEN(KPMACR,'NJJS00',LENGT,ITYLCM)
+ IF(LENGT.GT.NBMIX) CALL XABORT('BIVSYS: INVALID LENGTH FOR '
+ 1 //'NJJS00 INFORMATION.')
+ IF(LENGT.GT.0) THEN
+ CALL LCMGET(KPMACR,'NJJS00',NJJ)
+ CALL LCMGET(KPMACR,'IJJS00',IJJ)
+ JGRMIN=IGR
+ JGRMAX=IGR
+ DO 40 IBM=1,NBMIX
+ JGRMIN=MIN(JGRMIN,IJJ(IBM)-NJJ(IBM)+1)
+ JGRMAX=MAX(JGRMAX,IJJ(IBM))
+ 40 CONTINUE
+ CALL LCMGET(KPMACR,'IPOS00',IPOS)
+ CALL LCMGET(KPMACR,'SCAT00',WORK)
+ DO 60 JGR=JGRMAX,JGRMIN,-1
+ IF(JGR.EQ.IGR) GO TO 60
+ DO 50 IBM=1,NBMIX
+ IF((JGR.GT.IJJ(IBM)-NJJ(IBM)).AND.(JGR.LE.IJJ(IBM))) THEN
+ SGD(IBM,1)=WORK(IPOS(IBM)+IJJ(IBM)-JGR)
+ ELSE
+ SGD(IBM,1)=0.0
+ ENDIF
+ 50 CONTINUE
+ WRITE (TEXT12,'(1HA,2I3.3)') IGR,JGR
+ CALL BIVASM(TEXT12,1,IPTRK,IPSYS,IMPX,NBMIX,NEL,0,1,NALBP,MAT,
+ 1 VOL,GAMMA(1,IGR),SGD)
+ 60 CONTINUE
+ ENDIF
+ 70 CONTINUE
+*----
+* PROCESS FISSION SPECTRUM TERMS
+*----
+ KPMACR=LCMGIL(JPMACR,1)
+ CALL LCMLEN(KPMACR,'CHI',LENGT,ITYLCM)
+ IF(LENGT.GT.0) THEN
+ IF(LENGT.NE.NBMIX*NBFIS) CALL XABORT('BIVSYS: INVALID LENGTH '
+ 1 //'FOR CHI INFORMATION.')
+ DO 80 IGR=1,NGRP
+ KPMACR=LCMGIL(JPMACR,IGR)
+ CALL LCMGET(KPMACR,'CHI',CHI(1,1,IGR))
+ 80 CONTINUE
+ ELSE
+ DO 92 IBM=1,NBMIX
+ DO 91 IFISS=1,NBFIS
+ CHI(IBM,IFISS,1)=1.0
+ DO 90 IGR=2,NGRP
+ CHI(IBM,IFISS,IGR)=0.0
+ 90 CONTINUE
+ 91 CONTINUE
+ 92 CONTINUE
+ ENDIF
+*----
+* PROCESS FISSION NUSIGF TERMS
+*----
+ DO 130 IGR=1,NGRP
+* PROCESS SECONDARY GROUP IGR.
+ LFIS=.FALSE.
+ DO 105 IBM=1,NBMIX
+ DO 100 IFISS=1,NBFIS
+ LFIS=LFIS.OR.(CHI(IBM,IFISS,IGR).NE.0.0)
+ 100 CONTINUE
+ 105 CONTINUE
+ IF(LFIS) THEN
+ DO 120 JGR=1,NGRP
+ KPMACR=LCMGIL(JPMACR,JGR)
+ CALL LCMLEN(KPMACR,'NUSIGF',LENGT,ITYLCM)
+ IF(LENGT.NE.NBMIX*NBFIS) CALL XABORT('BIVSYS: INVALID LENGTH '
+ 1 //'FOR NUSIGF INFORMATION.')
+ IF(LENGT.GT.0) THEN
+ CALL LCMGET(KPMACR,'NUSIGF',ZUFIS)
+ SGD(:NBMIX,1)=0.0
+ DO 115 IBM=1,NBMIX
+ DO 110 IFISS=1,NBFIS
+ SGD(IBM,1)=SGD(IBM,1)+CHI(IBM,IFISS,IGR)*ZUFIS(IBM,IFISS)
+ 110 CONTINUE
+ 115 CONTINUE
+ WRITE(TEXT12,'(4HFISS,2I3.3)') IGR,JGR
+ CALL LCMPUT(IPSYS,TEXT12,NBMIX,2,SGD(1,1))
+ WRITE (TEXT12,'(1HB,2I3.3)') IGR,JGR
+ CALL BIVASM(TEXT12,1,IPTRK,IPSYS,IMPX,NBMIX,NEL,0,1,NALBP,
+ 1 MAT,VOL,GAMMA(1,IGR),SGD)
+ ENDIF
+ 120 CONTINUE
+ ENDIF
+ 130 CONTINUE
+*----
+* SCRATCH STORAGE DEALLOCATION
+*----
+ DEALLOCATE(IJJ,NJJ,IPOS)
+ DEALLOCATE(GAMMA,SGD,WORK,CHI,ZUFIS)
+ RETURN
+ END