summaryrefslogtreecommitdiff
path: root/Trivac/src/MTLDLM.f
blob: 68f93276e16a41df156059f57d4662ed672c14a7 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
*DECK MTLDLM
      SUBROUTINE MTLDLM(NAMP,IPTRK,IPSYS,LL4,ITY,F2,F3)
*
*-----------------------------------------------------------------------
*
*Purpose:
* LCM driver for the multiplication of a matrix by a vector.
*
*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
* NAMP    name of the coefficient matrix.
* IPTRK   L_TRACK pointer to the tracking information.
* IPSYS   L_SYSTEM pointer to system matrices.
* LL4     order of the matrix.
* ITY     type of coefficient matrix (1: Bivac; 2: classical Trivac;
*         3: Raviart-Thomas; 11: SPN/Bivac; 13: SPN/Raviart-Thomas).
* F2      vector to multiply.
*
*Parameters: output
* F3      result of the multiplication.
*
*-----------------------------------------------------------------------
*
      USE GANLIB
*----
*  SUBROUTINE ARGUMENTS
*----
      TYPE(C_PTR) IPTRK,IPSYS
      CHARACTER NAMP*(*)
      INTEGER LL4,ITY
      REAL F2(LL4),F3(LL4)
*----
*  LOCAL VARIABLES
*----
      PARAMETER (NSTATE=40)
      CHARACTER NAMT*12,TEXT12*12
      INTEGER ITP(NSTATE),ASS_LEN
      LOGICAL LMU,LMUW,LMUX,LMUY,LMUZ,DIAG
      REAL, DIMENSION(:), ALLOCATABLE :: GAR,GAF
      TYPE(C_PTR) MU_PTR,IP_PTR,IPV_PTR,NBL_PTR,LBL_PTR
      TYPE(C_PTR) ASS_PTR
      INTEGER, DIMENSION(:), ALLOCATABLE :: IPB
      INTEGER, DIMENSION(:), POINTER :: MU,IP,IPV,NBL,LBL
      REAL, DIMENSION(:), POINTER :: ASS
*
*-----------------------------------------------------------------------
*
* INFORMATION RECOVERED FROM XSM OR LCM (SPLITTED MATRIX):
*  'W_'//NAMP 'X_'//NAMP 'Y_'//NAMP 'Z_'//NAMP : W-, X-, Y- AND Z-
*                            ORIENTED MATRIX COMPONENTS.
*
* SCALAR INFORMATION RECOVERED FROM LCM.
*  'MUW' 'MUX' 'MUY' 'MUZ' : POSITION OF DIAGONAL ELEMENT IN W-, X-, Y-
*                            OR Z-ORIENTED MATRIX COMPONENTS.
*  'IPW' 'IPX' 'IPY' 'IPZ' : PERMUTATION INFORMATION FOR W-, X-, Y- OR
*                            Z-ORIENTED MATRIX COMPONENTS.
*
* SUPERVECTORIZATION INFORMATION RECOVERED FROM LCM.
*  'LL4VW' 'LL4VX' 'LL4VY' 'LL4VZ' : ORDER OF THE REORDERED W-, X-, Y-
*                            AND Z-ORIENTED MATRIX COMPONENTS.
*  'MUVW' 'MUVX' 'MUVY' 'MUVZ' : POSITION OF DIAGONAL ELEMENT IN W-, X-,
*                            Y-OR Z-ORIENTED MATRIX COMPONENTS.
*  'IPVW' 'IPVX' 'IPVY' 'IPVZ' : PERMUTATION INFORMATION FOR W-, X-, Y-
*                            OR Z-ORIENTED MATRIX COMPONENTS.
*  'NBLW' 'NBLX' 'NBLY' 'NBLZ' : NUMBER OF LINEAR SYSTEMS IN EACH SUPER-
*                            VECTORIAL UNKNOWN GROUP.
*  'LBLW' 'LBLX' 'LBLY' 'LBLZ' : ORDER OF LINEAR SYSTEMS IN EACH SUPER-
*                            VECTORIAL UNKNOWN GROUP.
*
*-----------------------------------------------------------------------
*
      IF(ITY.EQ.1) THEN
*        DIFFUSION BIVAC TRACKING.
         ISEG=0
      ELSE IF(ITY.EQ.2) THEN
*        CLASSICAL TRIVAC TRACKING.
         CALL LCMGET(IPTRK,'STATE-VECTOR',ITP)
         ISEG=ITP(17)
         LTSW=ITP(19)
      ELSE IF(ITY.EQ.3) THEN
*        RAVIART-THOMAS TRIVAC TRACKING.
         CALL FLDTRM(NAMP,IPTRK,IPSYS,LL4,F2,F3)
         RETURN
      ELSE IF(ITY.EQ.11) THEN
*        SIMPLIFIED PN BIVAC TRACKING.
         CALL LCMGET(IPSYS,'STATE-VECTOR',ITP)
         NBMIX=ITP(7)
         NAN=ITP(8)
         IF(NAN.EQ.0) CALL XABORT('MTLDLM: SPN-ONLY ALGORITHM(1).')
         F3(:LL4)=0.0
         CALL FLDBSM(NAMP,IPTRK,IPSYS,LL4,NBMIX,NAN,F2,F3)
         RETURN
      ELSE IF(ITY.EQ.13) THEN
*        SIMPLIFIED PN TRIVAC TRACKING.
         CALL LCMGET(IPSYS,'STATE-VECTOR',ITP)
         NBMIX=ITP(7)
         NAN=ITP(8)
         IF(NAN.EQ.0) CALL XABORT('MTLDLM: SPN-ONLY ALGORITHM(2).')
         F3(:LL4)=0.0
         CALL FLDTSM(NAMP,IPTRK,IPSYS,LL4,NBMIX,NAN,F2,F3)
         RETURN
      ENDIF
*
      CALL LCMLEN(IPTRK,'MU',IDUM,ITYLCM)
      LMU=(IDUM.NE.0).AND.(ITYLCM.EQ.1)
      CALL LCMLEN(IPTRK,'MUW',IDUM,ITYLCM)
      LMUW=(IDUM.NE.0).AND.(ITYLCM.EQ.1)
      CALL LCMLEN(IPTRK,'MUX',IDUM,ITYLCM)
      LMUX=(IDUM.NE.0).AND.(ITYLCM.EQ.1)
      CALL LCMLEN(IPTRK,'MUY',IDUM,ITYLCM)
      LMUY=(IDUM.NE.0).AND.(ITYLCM.EQ.1)
      CALL LCMLEN(IPTRK,'MUZ',IDUM,ITYLCM)
      LMUZ=(IDUM.NE.0).AND.(ITYLCM.EQ.1)
      DIAG=LMUY.AND.(.NOT.LMUX)
*
      NAMT=NAMP
      IF(LMU) THEN
         CALL LCMLEN(IPTRK,'MU',LL4TS,ITYLCM)
         IF(LL4.NE.LL4TS) CALL XABORT('MTLDLM: INVALID LL4(1).')
         CALL LCMGPD(IPTRK,'MU',MU_PTR)
         CALL LCMGPD(IPSYS,NAMT,ASS_PTR)
         CALL C_F_POINTER(MU_PTR,MU,(/ LL4 /))
         CALL C_F_POINTER(ASS_PTR,ASS,(/ MU(LL4) /))
         CALL ALLDLM(LL4,ASS,F2(1),F3(1),MU,1)
      ELSE IF(ISEG.EQ.0) THEN
*        SCALAR MULTIPLICATION FOR A W- OR X-ORIENTED MATRIX.
         IF(LMUW) THEN
            TEXT12='W_'//NAMT(:10)
            CALL LCMGPD(IPTRK,'MUW',MU_PTR)
            CALL LCMGPD(IPTRK,'IPW',IP_PTR)
            CALL LCMLEN(IPTRK,'IPW',LL4TS,ITYLCM)
         ELSE IF(DIAG) THEN
            TEXT12='Y_'//NAMT(:10)
            CALL LCMGPD(IPTRK,'MUY',MU_PTR)
            CALL LCMGPD(IPTRK,'IPX',IP_PTR)
            CALL LCMLEN(IPTRK,'IPX',LL4TS,ITYLCM)
         ELSE
            TEXT12='X_'//NAMT(:10)
            CALL LCMGPD(IPTRK,'MUX',MU_PTR)
            CALL LCMGPD(IPTRK,'IPX',IP_PTR)
            CALL LCMLEN(IPTRK,'IPX',LL4TS,ITYLCM)
         ENDIF
         IF(LL4.NE.LL4TS) CALL XABORT('MTLDLM: INVALID LL4(2).')
         CALL C_F_POINTER(MU_PTR,MU,(/ LL4 /))
         CALL C_F_POINTER(IP_PTR,IP,(/ LL4 /))
         ALLOCATE(GAR(LL4))
         DO 10 I=1,LL4
         GAR(IP(I))=F2(I)
   10    CONTINUE
         DO 20 I=1,LL4
         F2(I)=GAR(I)
   20    CONTINUE
         CALL LCMGPD(IPSYS,TEXT12,ASS_PTR)
         CALL C_F_POINTER(ASS_PTR,ASS,(/ MU(LL4) /))
         CALL ALLDLM(LL4,ASS,F2(1),GAR(1),MU,1)
         DO 30 I=1,LL4
         II=IP(I)
         F3(I)=GAR(II)
         GAR(II)=F2(II)
   30    CONTINUE
         DO 40 I=1,LL4
         F2(I)=GAR(IP(I))
   40    CONTINUE
         IF(LMUW) THEN
*           SCALAR MULTIPLICATION FOR A X-ORIENTED MATRIX.
            CALL LCMGPD(IPTRK,'MUX',MU_PTR)
            CALL LCMLEN(IPTRK,'IPX',LL4TS,ITYLCM)
            IF(LL4.NE.LL4TS) CALL XABORT('MTLDLM: INVALID LL4(5).')
            CALL LCMGPD(IPTRK,'IPX',IP_PTR)
            CALL C_F_POINTER(MU_PTR,MU,(/ LL4 /))
            CALL C_F_POINTER(IP_PTR,IP,(/ LL4 /))
            DO 50 I=1,LL4
            GAR(IP(I))=F2(I)
   50       CONTINUE
            DO 60 I=1,LL4
            II=IP(I)
            F2(II)=GAR(II)
            GAR(II)=F3(I)
   60       CONTINUE
            CALL LCMGPD(IPSYS,'X_'//NAMT,ASS_PTR)
            CALL C_F_POINTER(ASS_PTR,ASS,(/ MU(LL4) /))
            CALL ALLDLM(LL4,ASS,F2(1),GAR(1),MU,2)
            DO 70 I=1,LL4
            II=IP(I)
            F3(I)=GAR(II)
            GAR(II)=F2(II)
   70       CONTINUE
            DO 80 I=1,LL4
            F2(I)=GAR(IP(I))
   80       CONTINUE
         ENDIF
         IF(LMUY) THEN
*           SCALAR MULTIPLICATION FOR A Y-ORIENTED MATRIX.
            CALL LCMGPD(IPTRK,'MUY',MU_PTR)
            CALL LCMLEN(IPTRK,'IPY',LL4TS,ITYLCM)
            IF(LL4.NE.LL4TS) CALL XABORT('MTLDLM: INVALID LL4(6).')
            CALL LCMGPD(IPTRK,'IPY',IP_PTR)
            CALL C_F_POINTER(MU_PTR,MU,(/ LL4 /))
            CALL C_F_POINTER(IP_PTR,IP,(/ LL4 /))
            DO 90 I=1,LL4
            GAR(IP(I))=F2(I)
   90       CONTINUE
            DO 100 I=1,LL4
            II=IP(I)
            F2(II)=GAR(II)
            GAR(II)=F3(I)
  100       CONTINUE
            CALL LCMGPD(IPSYS,'Y_'//NAMT,ASS_PTR)
            CALL C_F_POINTER(ASS_PTR,ASS,(/ MU(LL4) /))
            CALL ALLDLM(LL4,ASS,F2(1),GAR(1),MU,2)
            DO 110 I=1,LL4
            II=IP(I)
            F3(I)=GAR(II)
            GAR(II)=F2(II)
  110       CONTINUE
            DO 120 I=1,LL4
            F2(I)=GAR(IP(I))
  120       CONTINUE
         ENDIF
         IF(LMUZ) THEN
*           SCALAR MULTIPLICATION FOR A Z-ORIENTED MATRIX.
            CALL LCMGPD(IPTRK,'MUZ',MU_PTR)
            CALL LCMLEN(IPTRK,'IPZ',LL4TS,ITYLCM)
            IF(LL4.NE.LL4TS) CALL XABORT('MTLDLM: INVALID LL4(7).')
            CALL LCMGPD(IPTRK,'IPZ',IP_PTR)
            CALL C_F_POINTER(MU_PTR,MU,(/ LL4 /))
            CALL C_F_POINTER(IP_PTR,IP,(/ LL4 /))
            DO 130 I=1,LL4
            GAR(IP(I))=F2(I)
  130       CONTINUE
            DO 140 I=1,LL4
            II=IP(I)
            F2(II)=GAR(II)
            GAR(II)=F3(I)
  140       CONTINUE
            CALL LCMGPD(IPSYS,'Z_'//NAMT,ASS_PTR)
            CALL C_F_POINTER(ASS_PTR,ASS,(/ MU(LL4) /))
            CALL ALLDLM(LL4,ASS,F2(1),GAR(1),MU,2)
            DO 150 I=1,LL4
            II=IP(I)
            F3(I)=GAR(II)
            GAR(II)=F2(II)
  150       CONTINUE
            DO 160 I=1,LL4
            F2(I)=GAR(IP(I))
  160       CONTINUE
         ENDIF
         DEALLOCATE(GAR)
      ELSE IF(ISEG.GT.0) THEN
*        SUPERVECTORIAL MULTIPLICATION FOR A W- OR X-ORIENTED MATRIX.
         IF(LMUW) THEN
            CALL LCMGET(IPTRK,'LL4VW',LL4V)
            CALL LCMGPD(IPTRK,'MUVW',MU_PTR)
            TEXT12='W_'//NAMT(:10)
            CALL LCMLEN(IPTRK,'IPW',LL4TS,ITYLCM)
            IF(LL4.NE.LL4TS) CALL XABORT('MTLDLM: INVALID LL4(8).')
            CALL LCMGPD(IPTRK,'IPW',IP_PTR)
            CALL LCMGPD(IPTRK,'IPVW',IPV_PTR)
            CALL LCMLEN(IPTRK,'NBLW',NBL_LEN,ITYLCM)
            CALL LCMGPD(IPTRK,'NBLW',NBL_PTR)
            CALL LCMGPD(IPTRK,'LBLW',LBL_PTR)
         ELSE IF(DIAG) THEN
            CALL LCMGET(IPTRK,'LL4VY',LL4V)
            CALL LCMGPD(IPTRK,'MUVY',MU_PTR)
            TEXT12='Y_'//NAMT(:10)
            CALL LCMLEN(IPTRK,'IPX',LL4TS,ITYLCM)
            IF(LL4.NE.LL4TS) CALL XABORT('MTLDLM: INVALID LL4(9).')
            CALL LCMGPD(IPTRK,'IPX',IP_PTR)
            CALL LCMGPD(IPTRK,'IPVY',IPV_PTR)
            CALL LCMLEN(IPTRK,'NBLY',NBL_LEN,ITYLCM)
            CALL LCMGPD(IPTRK,'NBLY',NBL_PTR)
            CALL LCMGPD(IPTRK,'LBLY',LBL_PTR)
         ELSE
            CALL LCMGET(IPTRK,'LL4VX',LL4V)
            CALL LCMGPD(IPTRK,'MUVX',MU_PTR)
            TEXT12='X_'//NAMT(:10)
            CALL LCMLEN(IPTRK,'IPX',LL4TS,ITYLCM)
            IF(LL4.NE.LL4TS) CALL XABORT('MTLDLM: INVALID LL4(10).')
            CALL LCMGPD(IPTRK,'IPX',IP_PTR)
            CALL LCMGPD(IPTRK,'IPVX',IPV_PTR)
            CALL LCMLEN(IPTRK,'NBLX',NBL_LEN,ITYLCM)
            CALL LCMGPD(IPTRK,'NBLX',NBL_PTR)
            CALL LCMGPD(IPTRK,'LBLX',LBL_PTR)
         ENDIF
         CALL C_F_POINTER(MU_PTR,MU,(/ LL4V/ISEG /))
         CALL C_F_POINTER(IP_PTR,IP,(/ LL4 /))
         CALL C_F_POINTER(IPV_PTR,IPV,(/ IPV_LEN /))
         CALL C_F_POINTER(NBL_PTR,NBL,(/ NBL_LEN /))
         CALL C_F_POINTER(LBL_PTR,LBL,(/ NBL_LEN /))
         ALLOCATE(IPB(LL4),GAR(LL4V),GAF(LL4V))
         DO 165 I=1,LL4
         IPB(I)=IPV(IP(I))
  165    CONTINUE
         GAR(:LL4V)=0.0
         DO 180 I=1,LL4
         GAR(IPB(I))=F2(I)
  180    CONTINUE
         CALL LCMLEN(IPSYS,TEXT12,ASS_LEN,ITYLCM)
         CALL LCMGPD(IPSYS,TEXT12,ASS_PTR)
         CALL C_F_POINTER(ASS_PTR,ASS,(/ ASS_LEN /))
         CALL ALVDLM(LTSW,ASS,GAR,GAF,MU,1,ISEG,NBL_LEN,NBL,LBL)
         DO 190 I=1,LL4
         II=IPB(I)
         F2(I)=GAR(II)
         F3(I)=GAF(II)
  190    CONTINUE
         DEALLOCATE(GAF,GAR,IPB)
         IF(LMUW) THEN
*           SUPERVECTORIAL MULTIPLICATION FOR A X-ORIENTED MATRIX.
            CALL LCMGET(IPTRK,'LL4VX',LL4V)
            CALL LCMGPD(IPTRK,'MUVX',MU_PTR)
            CALL C_F_POINTER(MU_PTR,MU,(/ LL4V/ISEG /))
            CALL LCMLEN(IPTRK,'IPX',LL4TS,ITYLCM)
            IF(LL4.NE.LL4TS) CALL XABORT('MTLDLM: INVALID LL4(11).')
            CALL LCMGPD(IPTRK,'IPX',IP_PTR)
            CALL LCMLEN(IPTRK,'IPVX',IPV_LEN,ITYLCM)
            CALL LCMGPD(IPTRK,'IPVX',IPV_PTR)
            CALL C_F_POINTER(IP_PTR,IP,(/ LL4 /))
            CALL C_F_POINTER(IPV_PTR,IPV,(/ IPV_LEN /))
            CALL LCMLEN(IPTRK,'NBLX',NBL_LEN,ITYLCM)
            CALL LCMGPD(IPTRK,'NBLX',NBL_PTR)
            CALL LCMGPD(IPTRK,'LBLX',LBL_PTR)
            CALL C_F_POINTER(NBL_PTR,NBL,(/ NBL_LEN /))
            CALL C_F_POINTER(LBL_PTR,LBL,(/ NBL_LEN /))
            ALLOCATE(IPB(LL4),GAR(LL4V),GAF(LL4V))
            DO 200 I=1,LL4
            IPB(I)=IPV(IP(I))
  200       CONTINUE
            GAR(:LL4V)=0.0
            GAF(:LL4V)=0.0
            DO 220 I=1,LL4
            II=IPB(I)
            GAR(II)=F2(I)
            GAF(II)=F3(I)
  220       CONTINUE
            CALL LCMLEN(IPSYS,'X_'//NAMT,ASS_LEN,ITYLCM)
            CALL LCMGPD(IPSYS,'X_'//NAMT,ASS_PTR)
            CALL C_F_POINTER(ASS_PTR,ASS,(/ ASS_LEN /))
            CALL ALVDLM(LTSW,ASS,GAR,GAF,MU,2,ISEG,NBL_LEN,NBL,LBL)
            DO 230 I=1,LL4
            II=IPB(I)
            F2(I)=GAR(II)
            F3(I)=GAF(II)
  230       CONTINUE
            DEALLOCATE(GAF,GAR,IPB)
         ENDIF
         IF(LMUY) THEN
*           SUPERVECTORIAL MULTIPLICATION FOR A Y-ORIENTED MATRIX.
            CALL LCMGET(IPTRK,'LL4VY',LL4V)
            CALL LCMGPD(IPTRK,'MUVY',MU_PTR)
            CALL C_F_POINTER(MU_PTR,MU,(/ LL4V/ISEG /))
            CALL LCMLEN(IPTRK,'IPY',LL4TS,ITYLCM)
            IF(LL4.NE.LL4TS) CALL XABORT('MTLDLM: INVALID LL4(12).')
            CALL LCMGPD(IPTRK,'IPY',IP_PTR)
            CALL LCMLEN(IPTRK,'IPVY',IPV_LEN,ITYLCM)
            CALL LCMGPD(IPTRK,'IPVY',IPV_PTR)
            CALL C_F_POINTER(IP_PTR,IP,(/ LL4 /))
            CALL C_F_POINTER(IPV_PTR,IPV,(/ IPV_LEN /))
            CALL LCMLEN(IPTRK,'NBLY',NBL_LEN,ITYLCM)
            CALL LCMGPD(IPTRK,'NBLY',NBL_PTR)
            CALL LCMGPD(IPTRK,'LBLY',LBL_PTR)
            CALL C_F_POINTER(NBL_PTR,NBL,(/ NBL_LEN /))
            CALL C_F_POINTER(LBL_PTR,LBL,(/ NBL_LEN /))
            ALLOCATE(IPB(LL4),GAR(LL4V),GAF(LL4V))
            DO 235 I=1,LL4
            IPB(I)=IPV(IP(I))
  235       CONTINUE
            GAR(:LL4V)=0.0
            GAF(:LL4V)=0.0
            DO 260 I=1,LL4
            II=IPB(I)
            GAR(II)=F2(I)
            GAF(II)=F3(I)
  260       CONTINUE
            CALL LCMLEN(IPSYS,'Y_'//NAMT,ASS_LEN,ITYLCM)
            CALL LCMGPD(IPSYS,'Y_'//NAMT,ASS_PTR)
            CALL C_F_POINTER(ASS_PTR,ASS,(/ ASS_LEN /))
            CALL ALVDLM(LTSW,ASS,GAR,GAF,MU,2,ISEG,NBL_LEN,NBL,LBL)
            DO 270 I=1,LL4
            II=IPB(I)
            F2(I)=GAR(II)
            F3(I)=GAF(II)
  270       CONTINUE
            DEALLOCATE(GAF,GAR,IPB)
         ENDIF
         IF(LMUZ) THEN
*           SUPERVECTORIAL MULTIPLICATION FOR A Z-ORIENTED MATRIX.
            CALL LCMGET(IPTRK,'LL4VZ',LL4V)
            CALL LCMGPD(IPTRK,'MUVZ',MU_PTR)
            CALL C_F_POINTER(MU_PTR,MU,(/ LL4V/ISEG /))
            CALL LCMLEN(IPTRK,'IPZ',LL4TS,ITYLCM)
            IF(LL4.NE.LL4TS) CALL XABORT('MTLDLM: INVALID LL4(13).')
            CALL LCMGPD(IPTRK,'IPZ',IP_PTR)
            CALL LCMLEN(IPTRK,'IPVZ',IPV_LEN,ITYLCM)
            CALL LCMGPD(IPTRK,'IPVZ',IPV_PTR)
            CALL C_F_POINTER(IP_PTR,IP,(/ LL4 /))
            CALL C_F_POINTER(IPV_PTR,IPV,(/ IPV_LEN /))
            CALL LCMLEN(IPTRK,'NBLZ',NBL_LEN,ITYLCM)
            CALL LCMGPD(IPTRK,'NBLZ',NBL_PTR)
            CALL LCMGPD(IPTRK,'LBLZ',LBL_PTR)
            CALL C_F_POINTER(NBL_PTR,NBL,(/ NBL_LEN /))
            CALL C_F_POINTER(LBL_PTR,LBL,(/ NBL_LEN /))
            ALLOCATE(IPB(LL4),GAR(LL4V),GAF(LL4V))
            DO 275 I=1,LL4
            IPB(I)=IPV(IP(I))
  275       CONTINUE
            GAR(:LL4V)=0.0
            GAF(:LL4V)=0.0
            DO 300 I=1,LL4
            II=IPB(I)
            GAR(II)=F2(I)
            GAF(II)=F3(I)
  300       CONTINUE
            CALL LCMLEN(IPSYS,'Z_'//NAMT,ASS_LEN,ITYLCM)
            CALL LCMGPD(IPSYS,'Z_'//NAMT,ASS_PTR)
            CALL C_F_POINTER(ASS_PTR,ASS,(/ ASS_LEN /))
            CALL ALVDLM(LTSW,ASS,GAR,GAF,MU,2,ISEG,NBL_LEN,NBL,LBL)
            DO 310 I=1,LL4
            II=IPB(I)
            F2(I)=GAR(II)
            F3(I)=GAF(II)
  310       CONTINUE
            DEALLOCATE(GAF,GAR,IPB)
         ENDIF
      ENDIF
      RETURN
      END