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*DECK FLDORT
SUBROUTINE FLDORT(IPSYS,IPFLUX,NUN,NGRP,LMOD)
*
*-----------------------------------------------------------------------
*
*Purpose:
* Test the biorthogonality of the direct-CADjoint eigenvectors.
*
*Copyright:
* Copyright (C) 2020 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
* IPSYS L_SYSTEM pointer to system matrices.
* IPFLUX L_FLUX pointer to the solution.
* NUN number of unknowns in each energy group.
* NGRP number of energy groups.
* LMOD number of orthogonal harmonics to compute.
*
*-----------------------------------------------------------------------
*
USE GANLIB
*----
* SUBROUTINE ARGUMENTS
*----
TYPE(C_PTR) IPSYS,IPFLUX
INTEGER NUN,NGRP,LMOD
*----
* LOCAL VARIABLES
*----
PARAMETER(NSTATE=40)
INTEGER ISTATE(NSTATE)
CHARACTER TEXT12*12,HSMG*131
TYPE(C_PTR) JPFLUX,KPFLUX,MPFLUX
REAL, DIMENSION(:), POINTER :: AGARM
TYPE(C_PTR) AGARM_PTR
*----
* ALLOCATABLE ARRAYS
*----
REAL, DIMENSION(:), ALLOCATABLE :: GAR
COMPLEX, DIMENSION(:,:,:), ALLOCATABLE :: CEV,CAD
COMPLEX(KIND=8), DIMENSION(:,:), ALLOCATABLE :: DWORK,ORTHO
*----
* SCRATCH STORAGE ALLOCATION
*----
ALLOCATE(DWORK(NUN,NGRP),CEV(NUN,NGRP,LMOD),CAD(NUN,NGRP,LMOD),
1 ORTHO(LMOD,LMOD),GAR(NUN))
*----
* FLUX RECOVERY
*----
CALL LCMLEN(IPFLUX,'MODE',ILONG,ITYLCM)
IF((ILONG.EQ.0).AND.(LMOD.EQ.1)) THEN
MPFLUX=LCMGID(IPFLUX,'AFLUX')
DO IGR=1,NGRP
CALL LCMGDL(MPFLUX,IGR,GAR)
CAD(:NUN,IGR,1)=GAR(:NUN)
ENDDO
MPFLUX=LCMGID(IPFLUX,'FLUX')
DO IGR=1,NGRP
CALL LCMGDL(MPFLUX,IGR,GAR)
CEV(:NUN,IGR,1)=GAR(:NUN)
ENDDO
ELSE IF(ILONG.GT.0) THEN
DO IMOD=1,LMOD
JPFLUX=LCMGID(IPFLUX,'MODE')
CALL LCMLEL(JPFLUX,IMOD,ILONG,ITYLCM)
IF(ILONG.EQ.0) THEN
WRITE(6,'(20HFLDORT: MISSING MODE,I4,1H.)') IMOD
CALL XABORT(HSMG)
ENDIF
KPFLUX=LCMGIL(JPFLUX,IMOD)
MPFLUX=LCMGID(KPFLUX,'AFLUX')
DO IGR=1,NGRP
CALL LCMLEL(MPFLUX,IGR,ILONG,ITYLCM)
IF(ITYLCM.EQ.2) THEN
CALL LCMGDL(MPFLUX,IGR,GAR)
CAD(:NUN,IGR,IMOD)=GAR(:NUN)
ELSE IF(ITYLCM.EQ.6) THEN
CALL LCMGDL(MPFLUX,IGR,CAD(1,IGR,IMOD))
ENDIF
ENDDO
MPFLUX=LCMGID(KPFLUX,'FLUX')
DO IGR=1,NGRP
CALL LCMLEL(MPFLUX,IGR,ILONG,ITYLCM)
IF(ITYLCM.EQ.2) THEN
CALL LCMGDL(MPFLUX,IGR,GAR)
CEV(:NUN,IGR,IMOD)=GAR(:NUN)
ELSE IF(ITYLCM.EQ.6) THEN
CALL LCMGDL(MPFLUX,IGR,CEV(1,IGR,IMOD))
ENDIF
ENDDO
ENDDO
ELSE
CALL XABORT('FLDORT: MODE INFORMATION MISSING.')
ENDIF
*----
* MULTIPLY FLUX WITH B MATRIX
*----
CALL LCMGET(IPSYS,'STATE-VECTOR',ISTATE)
LL4=ISTATE(2)
DO JMOD=1,LMOD
DWORK(:NUN,:NGRP)=0.0D0
DO IGR=1,NGRP
DO JGR=1,NGRP
WRITE(TEXT12,'(1HB,2I3.3)') IGR,JGR
CALL LCMLEN(IPSYS,TEXT12,ILONG,ITYLCM)
IF(ILONG.EQ.0) CYCLE
CALL LCMGPD(IPSYS,TEXT12,AGARM_PTR)
CALL C_F_POINTER(AGARM_PTR,AGARM,(/ ILONG /))
DO I=1,ILONG
DWORK(I,IGR)=DWORK(I,IGR)+CMPLX(AGARM(I)*CEV(I,JGR,JMOD))
ENDDO
ENDDO
ENDDO
*----
* COMPUTE ORTHONORMAL MATRIX
*----
DO IMOD=1,LMOD
ORTHO(IMOD,JMOD)=0.0D0
DO I=1,LL4
DO IGR=1,NGRP
ORTHO(IMOD,JMOD)=ORTHO(IMOD,JMOD)+CAD(I,IGR,IMOD)*
1 DWORK(I,IGR)
ENDDO
ENDDO
ENDDO
ENDDO
*----
* PRINT ORTHONORMAL MATRIX
*----
WRITE(6,'(/28H FLDORT: ORTHONORMAL MATRIX:)')
DO IMOD=1,LMOD
WRITE(6,'(3X,1P,15E12.4)') REAL(ORTHO(IMOD,:LMOD))
ENDDO
*----
* SCRATCH STORAGE DEALLOCATION
*----
DEALLOCATE(GAR,ORTHO,CAD,CEV,DWORK)
RETURN
END
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