diff options
| author | stainer_t <thomas.stainer@oecd-nea.org> | 2025-09-08 13:48:49 +0200 |
|---|---|---|
| committer | stainer_t <thomas.stainer@oecd-nea.org> | 2025-09-08 13:48:49 +0200 |
| commit | 7dfcc480ba1e19bd3232349fc733caef94034292 (patch) | |
| tree | 03ee104eb8846d5cc1a981d267687a729185d3f3 /Dragon/src/MCGREC.f | |
Initial commit from Polytechnique Montreal
Diffstat (limited to 'Dragon/src/MCGREC.f')
| -rw-r--r-- | Dragon/src/MCGREC.f | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/Dragon/src/MCGREC.f b/Dragon/src/MCGREC.f new file mode 100644 index 0000000..fbf8c43 --- /dev/null +++ b/Dragon/src/MCGREC.f @@ -0,0 +1,61 @@ +*DECK MCGREC + SUBROUTINE MCGREC(NFI,KM,MCUW,MCUI,MCU,LMCU,LMXMCU,IPRINT) +* +*----------------------------------------------------------------------- +* +*Purpose: +* Reform connection 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): I. Suslov and R. Le Tellier +* +*Parameters: input +* NFI total number of volumes and surfaces for which specific values +* of the neutron flux and reactions rates are required. +* MCUW undefined. +* MCUI undefined. +* LMCU dimension (used) of MCUW. +* LMXMCU real dimension of MCUW MCUI. +* IPRINT print level flag. +* +*Parameters: output +* KM number of non-diagonal element on each row. +* MCU column indexes of nonzero elements. +* +*----------------------------------------------------------------------- +* +*---- +* SUBROUTINE ARGUMENTS +*---- + INTEGER NFI,KM(NFI),MCUW(LMXMCU),MCUI(LMXMCU),MCU(LMCU),LMCU, + 1 LMXMCU,IPRINT +* + IM=0 + DO 10 I=1,NFI + IP=IM+1 + II=0 + IC=I + IF( MCUW(I).EQ.0 ) GOTO 9 + 3 II=II+1 + IM=IM+1 + IF(IM.GT.LMCU) CALL XABORT('MCGREC: OVERFLOW.') + MCU(IM)=MCUW(IC) + IC=MCUI(IC) + IF(IC.NE.0) GOTO 3 + 9 CONTINUE + KM(I)=II + IF(II.EQ.0) GOTO 10 + IPP=IP+II-1 + IF(IPRINT.GE.10) WRITE (6,13) I,(MCU(JP),JP=IP,IPP) + CALL SORTIN(II,MCU(IP)) + 10 CONTINUE +* + 13 FORMAT(1X,'I=',I3,' MCU=',30I4) + RETURN + END |
