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|
*DECK FLDTRS
SUBROUTINE FLDTRS(NAMP,IPTRK,IPSYS,LL4,S1,F1,NADI)
*
*-----------------------------------------------------------------------
*
*Purpose:
* Perform NADI inner iterations with the ADI preconditionning. Special
* version for Thomas-Raviart or Raviart-Thomas-Schneider basis.
*
*Copyright:
* Copyright (C) 2006 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
*
*Reference:
* A. Hebert, "A Raviart-Thomas-Schneider implementation of the
* simplified Pn method in 3-D hexagonal geometry," PHYSOR 2010 -
* Int. Conf. on Advances in Reactor Physics to Power the Nuclear
* Renaissance, May 9-14, Pittsburgh, Pennsylvania, 2010.
*
*Parameters: input
* NAMP name of the ADI-splitted matrix.
* IPTRK L_TRACK pointer to the tracking information.
* IPSYS L_SYSTEM pointer to system matrices.
* LL4 order of the matrix.
* S1 source term of the linear system.
* F1 initial solution of the linear system.
* NADI number of inner ADI iterations.
*
*Parameters: output
* F1 solution of the linear system after NADI iterations.
*
*-----------------------------------------------------------------------
*
USE GANLIB
*----
* SUBROUTINE ARGUMENTS
*----
TYPE(C_PTR) IPTRK,IPSYS
CHARACTER NAMP*12
INTEGER LL4,NADI
REAL S1(LL4),F1(LL4)
*----
* LOCAL VARIABLES
*----
PARAMETER (NSTATE=40)
CHARACTER NAMT*12
INTEGER ITP(NSTATE)
LOGICAL LMUX,DIAG
REAL, DIMENSION(:), ALLOCATABLE :: FL,FW,FX,FY,FZ,T,GAR
INTEGER C11W_LEN,C11X_LEN,C11Y_LEN,C11Z_LEN
INTEGER, DIMENSION(:), POINTER :: KN,IPERT,IPBW,MUW,IPVW,NBLW,
1 LBLW,IPBX,MUX,IPVX,NBLX,LBLX,IPBY,MUY,IPVY,NBLY,LBLY,IPBZ,MUZ,
2 IPVZ,NBLZ,LBLZ
REAL, DIMENSION(:), POINTER :: TF,DIFF,BW,C11W,BX,C11X,BY,C11Y,
1 BZ,C11Z
DOUBLE PRECISION, DIMENSION(:), POINTER :: CTRAN
TYPE(C_PTR) KN_PTR,IPERT_PTR,DIFF_PTR,TF_PTR,CTRAN_PTR,
1 BW_PTR,C11W_PTR,IPBW_PTR,MUW_PTR,IPVW_PTR,NBLW_PTR,LBLW_PTR,
2 BX_PTR,C11X_PTR,IPBX_PTR,MUX_PTR,IPVX_PTR,NBLX_PTR,LBLX_PTR,
3 BY_PTR,C11Y_PTR,IPBY_PTR,MUY_PTR,IPVY_PTR,NBLY_PTR,LBLY_PTR,
4 BZ_PTR,C11Z_PTR,IPBZ_PTR,MUZ_PTR,IPVZ_PTR,NBLZ_PTR,LBLZ_PTR
*----
* INITIALIZATION
*----
NAMT=NAMP
CALL LCMGET(IPTRK,'STATE-VECTOR',ITP)
IELEM=ITP(9)
ISEG=ITP(17)
LTSW=ITP(19)
LL4F=ITP(25)
LL4W=ITP(26)
LL4X=ITP(27)
LL4Y=ITP(28)
LL4Z=ITP(29)
NLF=ITP(30)
IOFW=LL4F
IOFX=LL4F+LL4W
IOFY=LL4F+LL4W+LL4X
IOFZ=LL4F+LL4W+LL4X+LL4Y
CALL LCMLEN(IPTRK,'MUX',IDUM,ITYLCM)
LMUX=(IDUM.NE.0).AND.(ITYLCM.EQ.1)
DIAG=(LL4Y.GT.0).AND.(.NOT.LMUX)
CALL LCMGPD(IPSYS,'TF'//NAMT,TF_PTR)
CALL C_F_POINTER(TF_PTR,TF,(/ LL4F*NLF/2 /))
*
NULLIFY(IPBW)
NULLIFY(IPVW)
NULLIFY(BW)
IF(LL4W.GT.0) THEN
ISPLH=ITP(13)
LX=ITP(14)
LZ=ITP(16)
NBLOS=LX*LZ/3
CALL LCMLEN(IPTRK,'KN',MAXKN,ITYLCM)
CALL LCMGPD(IPTRK,'CTRAN',CTRAN_PTR)
CALL LCMGPD(IPTRK,'KN',KN_PTR)
CALL LCMGPD(IPTRK,'IPERT',IPERT_PTR)
CALL LCMGPD(IPSYS,'DIFF'//NAMT,DIFF_PTR)
CALL C_F_POINTER(CTRAN_PTR,CTRAN,(/ ((IELEM+1)*IELEM)**2 /))
CALL C_F_POINTER(KN_PTR,KN,(/ MAXKN /))
CALL C_F_POINTER(IPERT_PTR,IPERT,(/ NBLOS /))
CALL C_F_POINTER(DIFF_PTR,DIFF,(/ NBLOS /))
*
ALLOCATE(FW(LL4W))
CALL LCMGPD(IPTRK,'IPBBW',IPBW_PTR)
CALL LCMLEN(IPSYS,'WB',LENWB,ITYL)
IF(LENWB.EQ.0)THEN
CALL LCMGPD(IPTRK,'WB',BW_PTR)
ELSE
CALL LCMGPD(IPSYS,'WB',BW_PTR)
ENDIF
CALL C_F_POINTER(IPBW_PTR,IPBW,(/ 2*IELEM*LL4W /))
CALL C_F_POINTER(BW_PTR,BW,(/ 2*IELEM*LL4W /))
CALL LCMLEN(IPSYS,'WI'//NAMT,C11W_LEN,ITYLCM)
CALL LCMGPD(IPSYS,'WI'//NAMT,C11W_PTR)
IF(ISEG.EQ.0) THEN
* SCALAR SOLUTION FOR A W-ORIENTED LINEAR SYSTEM.
CALL LCMGPD(IPTRK,'MUW',MUW_PTR)
CALL C_F_POINTER(MUW_PTR,MUW,(/ LL4W /))
ELSE IF(ISEG.GT.0) THEN
* SUPERVECTORIAL SOLUTION FOR A W-ORIENTED LINEAR SYSTEM.
CALL LCMGET(IPTRK,'LL4VW',LL4VW)
CALL LCMGPD(IPTRK,'MUVW',MUW_PTR)
CALL LCMGPD(IPTRK,'IPVW',IPVW_PTR)
CALL LCMLEN(IPTRK,'NBLW',LONW,ITYLCM)
CALL LCMGPD(IPTRK,'NBLW',NBLW_PTR)
CALL LCMGPD(IPTRK,'LBLW',LBLW_PTR)
CALL C_F_POINTER(MUW_PTR,MUW,(/ LL4VW/ISEG /))
CALL C_F_POINTER(IPVW_PTR,IPVW,(/ LL4W /))
CALL C_F_POINTER(NBLW_PTR,NBLW,(/ LONW /))
CALL C_F_POINTER(LBLW_PTR,LBLW,(/ LONW /))
ENDIF
CALL C_F_POINTER(C11W_PTR,C11W,(/ C11W_LEN /))
ENDIF
ALLOCATE(FX(LL4X))
DO 10 I0=1,LL4X
FX(I0)=F1(IOFX+I0)
10 CONTINUE
CALL LCMGPD(IPTRK,'IPBBX',IPBX_PTR)
CALL LCMLEN(IPSYS,'XB',LENXB,ITYL)
IF(LENXB.EQ.0) THEN
CALL LCMGPD(IPTRK,'XB',BX_PTR)
ELSE
CALL LCMGPD(IPSYS,'XB',BX_PTR)
ENDIF
CALL C_F_POINTER(IPBX_PTR,IPBX,(/ 2*IELEM*LL4X /))
CALL C_F_POINTER(BX_PTR,BX,(/ 2*IELEM*LL4X /))
NULLIFY(IPVX)
IF(DIAG) THEN
CALL LCMLEN(IPSYS,'YI'//NAMT,C11X_LEN,ITYLCM)
CALL LCMGPD(IPSYS,'YI'//NAMT,C11X_PTR)
IF(ISEG.EQ.0) THEN
* SCALAR SOLUTION FOR A X-ORIENTED LINEAR SYSTEM.
CALL LCMGPD(IPTRK,'MUY',MUX_PTR)
CALL C_F_POINTER(MUX_PTR,MUX,(/ LL4X /))
ELSE IF(ISEG.GT.0) THEN
* SUPERVECTORIAL SOLUTION FOR A X-ORIENTED LINEAR SYSTEM.
CALL LCMGET(IPTRK,'LL4VY',LL4VX)
CALL LCMGPD(IPTRK,'MUVY',MUX_PTR)
CALL LCMGPD(IPTRK,'IPVY',IPVX_PTR)
CALL LCMLEN(IPTRK,'NBLY',LONX,ITYLCM)
CALL LCMGPD(IPTRK,'NBLY',NBLX_PTR)
CALL LCMGPD(IPTRK,'LBLY',LBLX_PTR)
CALL C_F_POINTER(MUX_PTR,MUX,(/ LL4VX/ISEG /))
CALL C_F_POINTER(IPVX_PTR,IPVX,(/ LL4X /))
CALL C_F_POINTER(NBLX_PTR,NBLX,(/ LONX /))
CALL C_F_POINTER(LBLX_PTR,LBLX,(/ LONX /))
ENDIF
ELSE
CALL LCMLEN(IPSYS,'XI'//NAMT,C11X_LEN,ITYLCM)
CALL LCMGPD(IPSYS,'XI'//NAMT,C11X_PTR)
IF(ISEG.EQ.0) THEN
* SCALAR SOLUTION FOR A X-ORIENTED LINEAR SYSTEM.
CALL LCMGPD(IPTRK,'MUX',MUX_PTR)
CALL C_F_POINTER(MUX_PTR,MUX,(/ LL4X /))
ELSE IF(ISEG.GT.0) THEN
* SUPERVECTORIAL SOLUTION FOR A X-ORIENTED LINEAR SYSTEM.
CALL LCMGET(IPTRK,'LL4VX',LL4VX)
CALL LCMGPD(IPTRK,'MUVX',MUX_PTR)
CALL LCMGPD(IPTRK,'IPVX',IPVX_PTR)
CALL LCMLEN(IPTRK,'NBLX',LONX,ITYLCM)
CALL LCMGPD(IPTRK,'NBLX',NBLX_PTR)
CALL LCMGPD(IPTRK,'LBLX',LBLX_PTR)
CALL C_F_POINTER(MUX_PTR,MUX,(/ LL4VX/ISEG /))
CALL C_F_POINTER(IPVX_PTR,IPVX,(/ LL4X /))
CALL C_F_POINTER(NBLX_PTR,NBLX,(/ LONX /))
CALL C_F_POINTER(LBLX_PTR,LBLX,(/ LONX /))
ENDIF
ENDIF
CALL C_F_POINTER(C11X_PTR,C11X,(/ C11X_LEN /))
NULLIFY(IPBY)
NULLIFY(IPVY)
NULLIFY(BY)
IF(LL4Y.GT.0) THEN
ALLOCATE(FY(LL4Y))
DO 20 I0=1,LL4Y
FY(I0)=F1(IOFY+I0)
20 CONTINUE
CALL LCMGPD(IPTRK,'IPBBY',IPBY_PTR)
CALL LCMLEN(IPSYS,'YB',LENYB,ITYL)
IF(LENYB.EQ.0) THEN
CALL LCMGPD(IPTRK,'YB',BY_PTR)
ELSE
CALL LCMGPD(IPSYS,'YB',BY_PTR)
ENDIF
CALL C_F_POINTER(IPBY_PTR,IPBY,(/ 2*IELEM*LL4Y /))
CALL C_F_POINTER(BY_PTR,BY,(/ 2*IELEM*LL4Y /))
CALL LCMLEN(IPSYS,'YI'//NAMT,C11Y_LEN,ITYLCM)
CALL LCMGPD(IPSYS,'YI'//NAMT,C11Y_PTR)
IF(ISEG.EQ.0) THEN
* SCALAR SOLUTION FOR A Y-ORIENTED LINEAR SYSTEM.
CALL LCMGPD(IPTRK,'MUY',MUY_PTR)
CALL C_F_POINTER(MUY_PTR,MUY,(/ LL4Y /))
ELSE IF(ISEG.GT.0) THEN
* SUPERVECTORIAL SOLUTION FOR A Y-ORIENTED LINEAR SYSTEM.
CALL LCMGET(IPTRK,'LL4VY',LL4VY)
CALL LCMGPD(IPTRK,'MUVY',MUY_PTR)
CALL LCMGPD(IPTRK,'IPVY',IPVY_PTR)
CALL LCMLEN(IPTRK,'NBLY',LONY,ITYLCM)
CALL LCMGPD(IPTRK,'NBLY',NBLY_PTR)
CALL LCMGPD(IPTRK,'LBLY',LBLY_PTR)
CALL C_F_POINTER(MUY_PTR,MUY,(/ LL4VY/ISEG /))
CALL C_F_POINTER(IPVY_PTR,IPVY,(/ LL4Y /))
CALL C_F_POINTER(NBLY_PTR,NBLY,(/ LONY /))
CALL C_F_POINTER(LBLY_PTR,LBLY,(/ LONY /))
ENDIF
CALL C_F_POINTER(C11Y_PTR,C11Y,(/ C11Y_LEN /))
ENDIF
NULLIFY(IPBZ)
NULLIFY(IPVZ)
NULLIFY(BZ)
IF(LL4Z.GT.0) THEN
ALLOCATE(FZ(LL4Z))
DO 30 I0=1,LL4Z
FZ(I0)=F1(IOFZ+I0)
30 CONTINUE
CALL LCMGPD(IPTRK,'IPBBZ',IPBZ_PTR)
CALL LCMLEN(IPSYS,'ZB',LENZB,ITYL)
IF(LENZB.EQ.0) THEN
CALL LCMGPD(IPTRK,'ZB',BZ_PTR)
ELSE
CALL LCMGPD(IPSYS,'ZB',BZ_PTR)
ENDIF
CALL C_F_POINTER(IPBZ_PTR,IPBZ,(/ 2*IELEM*LL4Z /))
CALL C_F_POINTER(BZ_PTR,BZ,(/ 2*IELEM*LL4Z /))
CALL LCMLEN(IPSYS,'ZI'//NAMT,C11Z_LEN,ITYLCM)
CALL LCMGPD(IPSYS,'ZI'//NAMT,C11Z_PTR)
IF(ISEG.EQ.0) THEN
* SCALAR SOLUTION FOR A Z-ORIENTED LINEAR SYSTEM.
CALL LCMGPD(IPTRK,'MUZ',MUZ_PTR)
CALL C_F_POINTER(MUZ_PTR,MUZ,(/ LL4Z /))
ELSE IF(ISEG.GT.0) THEN
* SUPERVECTORIAL SOLUTION FOR A Z-ORIENTED LINEAR SYSTEM.
CALL LCMGET(IPTRK,'LL4VZ',LL4VZ)
CALL LCMGPD(IPTRK,'MUVZ',MUZ_PTR)
CALL LCMGPD(IPTRK,'IPVZ',IPVZ_PTR)
CALL LCMLEN(IPTRK,'NBLZ',LONZ,ITYLCM)
CALL LCMGPD(IPTRK,'NBLZ',NBLZ_PTR)
CALL LCMGPD(IPTRK,'LBLZ',LBLZ_PTR)
CALL C_F_POINTER(MUZ_PTR,MUZ,(/ LL4VZ/ISEG /))
CALL C_F_POINTER(IPVZ_PTR,IPVZ,(/ LL4Z /))
CALL C_F_POINTER(NBLZ_PTR,NBLZ,(/ LONZ /))
CALL C_F_POINTER(LBLZ_PTR,LBLZ,(/ LONZ /))
ENDIF
CALL C_F_POINTER(C11Z_PTR,C11Z,(/ C11Z_LEN /))
ENDIF
ALLOCATE(FL(LL4F))
*----
* W DIRECTION
*----
IF(ISEG.GT.0) ALLOCATE(T(ISEG))
DO 520 IADI=1,NADI
IF(LL4W.GT.0) THEN
DO 40 I0=1,LL4F
FL(I0)=S1(I0)
40 CONTINUE
DO 60 I0=1,LL4X
DO 50 J0=1,2*IELEM
JJ=IPBX((I0-1)*2*IELEM+J0)
IF(JJ.EQ.0) GO TO 60
FL(JJ)=FL(JJ)-BX((I0-1)*2*IELEM+J0)*FX(I0)
50 CONTINUE
60 CONTINUE
DO 80 I0=1,LL4Y
DO 70 J0=1,2*IELEM
JJ=IPBY((I0-1)*2*IELEM+J0)
IF(JJ.EQ.0) GO TO 80
FL(JJ)=FL(JJ)-BY((I0-1)*2*IELEM+J0)*FY(I0)
70 CONTINUE
80 CONTINUE
DO 100 I0=1,LL4Z
DO 90 J0=1,2*IELEM
JJ=IPBZ((I0-1)*2*IELEM+J0)
IF(JJ.EQ.0) GO TO 100
FL(JJ)=FL(JJ)-BZ((I0-1)*2*IELEM+J0)*FZ(I0)
90 CONTINUE
100 CONTINUE
DO 130 I0=1,LL4W
GGW=-S1(IOFW+I0)
DO 110 J0=1,2*IELEM
JJ=IPBW((I0-1)*2*IELEM+J0)
IF(JJ.EQ.0) GO TO 120
GGW=GGW+BW((I0-1)*2*IELEM+J0)*FL(JJ)/TF(JJ)
110 CONTINUE
120 FW(I0)=GGW
130 CONTINUE
*
* PIOLAT TRANSFORM TERM.
CALL FLDPWY(LL4W,LL4X,LL4Y,NBLOS,IELEM,CTRAN,IPERT,KN,DIFF,
1 FY,FW)
CALL FLDPWX(LL4W,LL4X,NBLOS,IELEM,CTRAN,IPERT,KN,DIFF,FX,FW)
IF(ISEG.EQ.0) THEN
* SCALAR SOLUTION FOR A W-ORIENTED LINEAR SYSTEM.
CALL ALLDLS(LL4W,MUW,C11W,FW)
ELSE IF(ISEG.GT.0) THEN
* SUPERVECTORIAL SOLUTION FOR A W-ORIENTED LINEAR SYSTEM.
ALLOCATE(GAR(LL4VW))
GAR(:LL4VW)=0.0
DO 140 I=1,LL4W
GAR(IPVW(I))=FW(I)
140 CONTINUE
CALL ALVDLS(LTSW,MUW,C11W,GAR,ISEG,LONW,NBLW,LBLW,T)
DO 150 I=1,LL4W
FW(I)=GAR(IPVW(I))
150 CONTINUE
DEALLOCATE(GAR)
ENDIF
ENDIF
*----
* X DIRECTION
*----
DO 160 I0=1,LL4F
FL(I0)=S1(I0)
160 CONTINUE
DO 180 I0=1,LL4W
DO 170 J0=1,2*IELEM
JJ=IPBW((I0-1)*2*IELEM+J0)
IF(JJ.EQ.0) GO TO 180
FL(JJ)=FL(JJ)-BW((I0-1)*2*IELEM+J0)*FW(I0)
170 CONTINUE
180 CONTINUE
DO 200 I0=1,LL4Y
DO 190 J0=1,2*IELEM
JJ=IPBY((I0-1)*2*IELEM+J0)
IF(JJ.EQ.0) GO TO 200
FL(JJ)=FL(JJ)-BY((I0-1)*2*IELEM+J0)*FY(I0)
190 CONTINUE
200 CONTINUE
DO 220 I0=1,LL4Z
DO 210 J0=1,2*IELEM
JJ=IPBZ((I0-1)*2*IELEM+J0)
IF(JJ.EQ.0) GO TO 220
FL(JJ)=FL(JJ)-BZ((I0-1)*2*IELEM+J0)*FZ(I0)
210 CONTINUE
220 CONTINUE
DO 250 I0=1,LL4X
GGX=-S1(IOFX+I0)
DO 230 J0=1,2*IELEM
JJ=IPBX((I0-1)*2*IELEM+J0)
IF(JJ.EQ.0) GO TO 240
GGX=GGX+BX((I0-1)*2*IELEM+J0)*FL(JJ)/TF(JJ)
230 CONTINUE
240 FX(I0)=GGX
250 CONTINUE
IF(LL4W.GT.0) THEN
* PIOLAT TRANSFORM TERM.
CALL FLDPXW(LL4W,LL4X,NBLOS,IELEM,CTRAN,IPERT,KN,DIFF,FW,FX)
CALL FLDPXY(LL4W,LL4X,LL4Y,NBLOS,IELEM,CTRAN,IPERT,KN,DIFF,
1 FY,FX)
ENDIF
IF(ISEG.EQ.0) THEN
* SCALAR SOLUTION FOR A X-ORIENTED LINEAR SYSTEM.
CALL ALLDLS(LL4X,MUX,C11X,FX)
ELSE IF(ISEG.GT.0) THEN
* SUPERVECTORIAL SOLUTION FOR A X-ORIENTED LINEAR SYSTEM.
ALLOCATE(GAR(LL4VX))
GAR(:LL4VX)=0.0
DO 260 I=1,LL4X
GAR(IPVX(I))=FX(I)
260 CONTINUE
CALL ALVDLS(LTSW,MUX,C11X,GAR,ISEG,LONX,NBLX,LBLX,T)
DO 270 I=1,LL4X
FX(I)=GAR(IPVX(I))
270 CONTINUE
DEALLOCATE(GAR)
ENDIF
*----
* Y DIRECTION
*----
IF(LL4Y.GT.0) THEN
DO 280 I0=1,LL4F
FL(I0)=S1(I0)
280 CONTINUE
DO 300 I0=1,LL4W
DO 290 J0=1,2*IELEM
JJ=IPBW((I0-1)*2*IELEM+J0)
IF(JJ.EQ.0) GO TO 300
FL(JJ)=FL(JJ)-BW((I0-1)*2*IELEM+J0)*FW(I0)
290 CONTINUE
300 CONTINUE
DO 320 I0=1,LL4X
DO 310 J0=1,2*IELEM
JJ=IPBX((I0-1)*2*IELEM+J0)
IF(JJ.EQ.0) GO TO 320
FL(JJ)=FL(JJ)-BX((I0-1)*2*IELEM+J0)*FX(I0)
310 CONTINUE
320 CONTINUE
DO 340 I0=1,LL4Z
DO 330 J0=1,2*IELEM
JJ=IPBZ((I0-1)*2*IELEM+J0)
IF(JJ.EQ.0) GO TO 340
FL(JJ)=FL(JJ)-BZ((I0-1)*2*IELEM+J0)*FZ(I0)
330 CONTINUE
340 CONTINUE
DO 370 I0=1,LL4Y
GGY=-S1(IOFY+I0)
DO 350 J0=1,2*IELEM
JJ=IPBY((I0-1)*2*IELEM+J0)
IF(JJ.EQ.0) GO TO 360
GGY=GGY+BY((I0-1)*2*IELEM+J0)*FL(JJ)/TF(JJ)
350 CONTINUE
360 FY(I0)=GGY
370 CONTINUE
IF(LL4W.GT.0) THEN
* PIOLAT TRANSFORM TERM.
CALL FLDPYX(LL4W,LL4X,LL4Y,NBLOS,IELEM,CTRAN,IPERT,KN,
1 DIFF,FX,FY)
CALL FLDPYW(LL4W,LL4X,LL4Y,NBLOS,IELEM,CTRAN,IPERT,KN,
1 DIFF,FW,FY)
ENDIF
IF(ISEG.EQ.0) THEN
* SCALAR SOLUTION FOR A Y-ORIENTED LINEAR SYSTEM.
CALL ALLDLS(LL4Y,MUY,C11Y,FY)
ELSE IF(ISEG.GT.0) THEN
* SUPERVECTORIAL SOLUTION FOR A Y-ORIENTED LINEAR SYSTEM.
ALLOCATE(GAR(LL4VY))
GAR(:LL4VY)=0.0
DO 380 I=1,LL4Y
GAR(IPVY(I))=FY(I)
380 CONTINUE
CALL ALVDLS(LTSW,MUY,C11Y,GAR,ISEG,LONY,NBLY,LBLY,T)
DO 390 I=1,LL4Y
FY(I)=GAR(IPVY(I))
390 CONTINUE
DEALLOCATE(GAR)
ENDIF
ENDIF
*----
* Z DIRECTION
*----
IF(LL4Z.GT.0) THEN
DO 400 I0=1,LL4F
FL(I0)=S1(I0)
400 CONTINUE
DO 420 I0=1,LL4W
DO 410 J0=1,2*IELEM
JJ=IPBW((I0-1)*2*IELEM+J0)
IF(JJ.EQ.0) GO TO 420
FL(JJ)=FL(JJ)-BW((I0-1)*2*IELEM+J0)*FW(I0)
410 CONTINUE
420 CONTINUE
DO 440 I0=1,LL4X
DO 430 J0=1,2*IELEM
JJ=IPBX((I0-1)*2*IELEM+J0)
IF(JJ.EQ.0) GO TO 440
FL(JJ)=FL(JJ)-BX((I0-1)*2*IELEM+J0)*FX(I0)
430 CONTINUE
440 CONTINUE
DO 460 I0=1,LL4Y
DO 450 J0=1,2*IELEM
JJ=IPBY((I0-1)*2*IELEM+J0)
IF(JJ.EQ.0) GO TO 460
FL(JJ)=FL(JJ)-BY((I0-1)*2*IELEM+J0)*FY(I0)
450 CONTINUE
460 CONTINUE
DO 490 I0=1,LL4Z
GGZ=-S1(IOFZ+I0)
DO 470 J0=1,2*IELEM
JJ=IPBZ((I0-1)*2*IELEM+J0)
IF(JJ.EQ.0) GO TO 480
GGZ=GGZ+BZ((I0-1)*2*IELEM+J0)*FL(JJ)/TF(JJ)
470 CONTINUE
480 FZ(I0)=GGZ
490 CONTINUE
IF(ISEG.EQ.0) THEN
* SCALAR SOLUTION FOR A Z-ORIENTED LINEAR SYSTEM.
CALL ALLDLS(LL4Z,MUZ,C11Z,FZ)
ELSE IF(ISEG.GT.0) THEN
* SUPERVECTORIAL SOLUTION FOR A Z-ORIENTED LINEAR SYSTEM.
ALLOCATE(GAR(LL4VZ))
GAR(:LL4VZ)=0.0
DO 500 I=1,LL4Z
GAR(IPVZ(I))=FZ(I)
500 CONTINUE
CALL ALVDLS(LTSW,MUZ,C11Z,GAR,ISEG,LONZ,NBLZ,LBLZ,T)
DO 510 I=1,LL4Z
FZ(I)=GAR(IPVZ(I))
510 CONTINUE
DEALLOCATE(GAR)
ENDIF
ENDIF
520 CONTINUE
IF(ISEG.GT.0) DEALLOCATE(T)
DEALLOCATE(FL)
*----
* COMPUTE FLUX AND RECOVER CURRENTS
*----
DO 530 I0=1,LL4F
F1(I0)=S1(I0)
530 CONTINUE
DO 550 J0=1,LL4W
DO 540 I0=1,2*IELEM
II=IPBW((J0-1)*2*IELEM+I0)
IF(II.EQ.0) GO TO 550
F1(II)=F1(II)-BW((J0-1)*2*IELEM+I0)*FW(J0)
540 CONTINUE
550 CONTINUE
DO 570 J0=1,LL4X
DO 560 I0=1,2*IELEM
II=IPBX((J0-1)*2*IELEM+I0)
IF(II.EQ.0) GO TO 570
F1(II)=F1(II)-BX((J0-1)*2*IELEM+I0)*FX(J0)
560 CONTINUE
570 CONTINUE
DO 590 J0=1,LL4Y
DO 580 I0=1,2*IELEM
II=IPBY((J0-1)*2*IELEM+I0)
IF(II.EQ.0) GO TO 590
F1(II)=F1(II)-BY((J0-1)*2*IELEM+I0)*FY(J0)
580 CONTINUE
590 CONTINUE
DO 610 J0=1,LL4Z
DO 600 I0=1,2*IELEM
II=IPBZ((J0-1)*2*IELEM+I0)
IF(II.EQ.0) GO TO 610
F1(II)=F1(II)-BZ((J0-1)*2*IELEM+I0)*FZ(J0)
600 CONTINUE
610 CONTINUE
DO 620 I0=1,LL4F
F1(I0)=F1(I0)/TF(I0)
620 CONTINUE
IF(LL4W.GT.0) THEN
DO 630 I0=1,LL4W
F1(IOFW+I0)=FW(I0)
630 CONTINUE
DEALLOCATE(FW)
ENDIF
DO 640 I0=1,LL4X
F1(IOFX+I0)=FX(I0)
640 CONTINUE
DEALLOCATE(FX)
IF(LL4Y.GT.0) THEN
DO 650 I0=1,LL4Y
F1(IOFY+I0)=FY(I0)
650 CONTINUE
DEALLOCATE(FY)
ENDIF
IF(LL4Z.GT.0) THEN
DO 660 I0=1,LL4Z
F1(IOFZ+I0)=FZ(I0)
660 CONTINUE
DEALLOCATE(FZ)
ENDIF
RETURN
END
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