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*DECK MCT
SUBROUTINE MCT(NENTRY,HENTRY,IENTRY,JENTRY,KENTRY)
*
*-----------------------------------------------------------------------
*
*Purpose:
* Monte-Carlo method based on NXT geometry analysis.
*
*Copyright:
* Copyright (C) 2008 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): R. Le Tellier and B. Arsenault
*
*Parameters: input/output
* NENTRY number of LCM objects or files used by the operator.
* HENTRY name of each LCM object or file:
* HENTRY(1) creation type(L_MC);
* HENTRY(2) read-only or modification type(L_TRACK);
* HENTRY(3) read-only type(L_LIBRARY) or type(L_MACROLIB).
* 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
IMPLICIT NONE
*----
* SUBROUTINE ARGUMENTS
*----
INTEGER NENTRY,IENTRY(NENTRY),JENTRY(NENTRY)
TYPE(C_PTR) KENTRY(NENTRY)
CHARACTER HENTRY(NENTRY)*12
*----
* LOCAL VARIABLES
*----
TYPE(C_PTR) IPOUT,IPTRK,IPLIB
INTEGER NSTATE,IOUT,ITC,NSRCK,IKZ,KCT,NGRP,NFREG,NBMIX,NMIX,
1 NFM,NL,NDEL,NED,ISEED,IPRINT,NBSCO,NMERGE,NGCOND
PARAMETER (NSTATE=40,IOUT=6)
INTEGER ISTATE(NSTATE),GSTATE(NSTATE)
DOUBLE PRECISION XYZL(2,3),KEFF,REKEFF
CHARACTER NAMREC*12,HSIGN*12
LOGICAL MODIF,LN2N
*----
* ALLOCATABLE ARRAYS
*----
INTEGER, ALLOCATABLE, DIMENSION(:) :: INMIX,NAMEAD
REAL, ALLOCATABLE, DIMENSION(:) :: XST,XSS,XSSNN,XNUFI,XCHI,XSN2N,
< XSN3N,XSEDI
*----
* PARAMETER VALIDATION
*----
IF(NENTRY.NE.3) CALL XABORT('MCT: THREE PARAMETERS EXPECTED.')
* output table in creation or modification mode
IF((IENTRY(1).NE.1).AND.(IENTRY(1).NE.2))
1 CALL XABORT('MCT: LCM OBJECT EXPECTED AT LHS (1).')
IF((JENTRY(1).NE.0).AND.(JENTRY(1).NE.1))
1 CALL XABORT('MCT: ENTRY IN CREATION '//
2 'OR MODIFICATION MODE EXPECTED.')
IPOUT=KENTRY(1)
MODIF=(JENTRY(1).EQ.1)
* tracking table in read-only mode
IF((IENTRY(2).NE.1).AND.(IENTRY(2).NE.2))
1 CALL XABORT('MCT: LCM OBJECT EXPECTED AT LHS (2).')
IF((JENTRY(2).NE.1).AND.(JENTRY(2).NE.2)) CALL XABORT('MCT: ENTR'
1 //'Y IN READ-ONLY OR MODIFICATION MODE EXPECTED.')
IPTRK=KENTRY(2)
CALL LCMGTC(IPTRK,'SIGNATURE',12,HSIGN)
IF(HSIGN.NE.'L_TRACK') THEN
NAMREC=HENTRY(2)
CALL XABORT('MCT: INVALID SIGNATURE FOR '//NAMREC)
ENDIF
* xs library in read-only mode
IF((IENTRY(3).NE.1).AND.(IENTRY(3).NE.2))
1 CALL XABORT('MCT: LCM OBJECT EXPECTED AT LHS (3).')
IF(JENTRY(3).NE.2)
1 CALL XABORT('MCT: ENTRY IN READ-ONLY MODE EXPECTED (2).')
IPLIB=KENTRY(3)
CALL LCMGTC(IPLIB,'SIGNATURE',12,HSIGN)
IF(HSIGN.EQ.'L_LIBRARY') THEN
CALL LCMSIX(IPLIB,'MACROLIB',1)
CALL LCMGTC(IPLIB,'SIGNATURE',12,HSIGN)
IF(HSIGN.NE.'L_MACROLIB') THEN
NAMREC=HENTRY(3)
CALL XABORT('MCT: INVALID SIGNATURE FOR '//NAMREC)
ENDIF
ELSE IF(HSIGN.NE.'L_MACROLIB') THEN
NAMREC=HENTRY(3)
CALL XABORT('MCT: INVALID SIGNATURE FOR '//NAMREC)
ENDIF
*----
* INITIALIZE OUTPUT TABLE
*----
IF(MODIF) THEN
CALL LCMGTC(IPOUT,'SIGNATURE',12,HSIGN)
IF(HSIGN.NE.'L_MC') THEN
NAMREC=HENTRY(1)
CALL XABORT('MCT: INVALID SIGNATURE FOR '//NAMREC)
ENDIF
CALL LCMGET(IPOUT,'STATE-VECTOR',ISTATE)
ELSE
HSIGN='L_MC'
CALL LCMPTC(IPOUT,'SIGNATURE',12,HSIGN)
ISTATE(:NSTATE)=0
ENDIF
*----
* READ INPUT PARAMETERS
*----
GSTATE(:NSTATE)=0
CALL LCMGET(IPLIB,'STATE-VECTOR',GSTATE)
NGRP = GSTATE(1)
GSTATE(:NSTATE)=0
CALL LCMGET(IPTRK,'STATE-VECTOR',GSTATE)
NFREG= GSTATE(1)
NBMIX= GSTATE(4)
ALLOCATE(INMIX(NFREG))
CALL LCMGET(IPTRK,'MATCOD',INMIX)
CALL MCTGET(IPOUT,NGRP,NFREG,NBMIX,INMIX,IPRINT)
DEALLOCATE(INMIX)
CALL LCMGET(IPOUT,'STATE-VECTOR',ISTATE)
ISEED=ISTATE(4)
LN2N=(ISTATE(5).EQ.1)
*----
* VALIDATE THE OPTIONS SPECIFIED FOR THE KCODE CARD
*----
IF ((ISTATE(1).GT.0).AND.
< (ISTATE(2).GT.0).AND.
< (ISTATE(3).GT.0).AND.
< (ISTATE(2).LE.ISTATE(3))) THEN
NSRCK=ISTATE(1)
IKZ =ISTATE(2)
KCT =ISTATE(3)
ELSE
CALL XABORT('MCT: INVALID PARAMETERS SPECIFIED FOR KCODE CARD')
ENDIF
*----
* RECOVER MACROSCOPIC CROSS SECTIONS.
*----
GSTATE(:NSTATE)=0
CALL LCMGET(IPLIB,'STATE-VECTOR',GSTATE)
NGRP = GSTATE(1)
NMIX = GSTATE(2)
NL = GSTATE(3)
NFM = GSTATE(4)
NED = GSTATE(5)
NDEL = GSTATE(7)
ALLOCATE(NAMEAD(2*NED))
IF(NED.GT.0) CALL LCMGET(IPLIB,'ADDXSNAME-P0',NAMEAD)
ALLOCATE(XST(NMIX*NGRP),XSS(NMIX*NGRP*NL),
> XSSNN(NGRP*NGRP*NMIX*NL),XNUFI(NFM*NMIX*NGRP*(1+NDEL)),
> XCHI(NFM*NMIX*NGRP*(1+NDEL)),XSN2N(NMIX*NGRP),XSN3N(NMIX*NGRP),
> XSEDI(NMIX*NGRP*NED))
CALL MCTLIB(IPLIB,NMIX,NGRP,NL,NFM,NDEL,NED,NAMEAD,LN2N,
< XST,XSS,XSSNN,XNUFI,XCHI,XSN2N,XSN3N,XSEDI)
*----
* POWER ITERATION WITH THE MONTE-CARLO METHOD IN 1D/2D/3D CARTESIAN
* GEOMETRY.
*----
GSTATE(:NSTATE)=0
CALL LCMGET(IPOUT,'STATE-VECTOR',GSTATE)
NMERGE=GSTATE(7)
NGCOND=GSTATE(8)
NBSCO=5+NGCOND*NL+2*NFM*(1+NDEL)+NED
CALL MCTFLX(IPTRK,IPOUT,IPRINT,NMIX,NGRP,NL,NFM,NDEL,NED,
< NAMEAD,XST,XSS,XSSNN,XNUFI,XCHI,XSN2N,XSN3N,
< XSEDI,NSRCK,IKZ,KCT,ISEED,XYZL,NBSCO,NMERGE,
< NGCOND,KEFF,REKEFF)
*
DEALLOCATE(XSEDI,XSN3N,XSN2N,XCHI,XNUFI,XSSNN,XSS,XST,NAMEAD)
*----
* RESET LIBRARY ON ROOT LEVEL
*----
CALL LCMSIX(IPLIB,' ',0)
*----
* SAVE KEFF INFORMATION ON MC OBJECT
*----
CALL LCMPUT(IPOUT,'K-EFFECTIVE',1,2,REAL(KEFF))
CALL LCMPUT(IPOUT,'K-EFFECTI-SD',1,2,REAL(REKEFF))
IF(IPRINT.GT.0) WRITE(6,100) (ISTATE(ITC),ITC=1,9)
RETURN
*
100 FORMAT(/8H OPTIONS/8H -------/
1 7H NSRCK ,I8,34H (NUMBER OF HISTORIES PER CYCLE)/
2 7H IKZ ,I8,29H (NUMBER OF CYCLES TO SKIP)/
3 7H KCT ,I8,27H (TOTAL NUMBER OF CYCLES)/
4 7H ISEED ,I8,45H (INITIAL SEED FOR RANDOM NUMBER GENERATOR)/
5 7H IN2N ,I8,24H (N2N PROCESSING FLAG)/
6 7H ITALLY,I8,20H (TYPE OF TALLIES)/
7 7H NMERGE,I8,44H (NUMBER OF HOMOGENIZED MIXTURES IN TALLY)/
8 7H NGCOND,I8,40H (NUMBER OF CONDENSED GROUPS IN TALLY)/
9 7H NREG ,I8,34H (NUMBER OF REGIONS IN GEOMETRY))
END
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