summaryrefslogtreecommitdiff
path: root/Dragon/src/USSDRV.f
blob: ae8ea6ff79668acfd2d4950f75c3ff93dea04d3b (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
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
*DECK USSDRV
      SUBROUTINE USSDRV(IPLI0,IPTRK,IPLIB,IFTRAK,INDREC,CDOOR,IMPX,
     1 IGRMIN,IGRMAX,NGRP,NBMIX,NREG,NUN,NBISO,NL,NED,NDEL,LEAKSW,
     2 ITRANC,IPHASE,TITR,KSPH,NRES,NPASS,ICALC,ICORR,ISUBG,MAXST,
     3 LFLAT)
*
*-----------------------------------------------------------------------
*
*Purpose:
* Driver for a resonance self-shielding calculation.
*
*Copyright:
* Copyright (C) 2003 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
* IPLI0   pointer to the internal microscopic cross section library
*         builded by the self-shielding module (L_LIBRARY signature).
* IPTRK   pointer to the tracking (L_TRACK signature).
* IPLIB   pointer to the internal microscopic cross section library
*         with subgroups (L_LIBRARY signature).
* IFTRAK  unit number of the sequential binary tracking file.
* INDREC  access flag for the internal microscopic cross section library
*         builded by the self-shielding module (=1 IPLI0 access in
*         creation mode; =2 in modification mode).
* CDOOR   name of the geometry/solution operator.
* IMPX    print flag (equal to zero for no print).
* IGRMIN  first group where the self-shielding is applied.
* IGRMAX  most thermal group where the self-shielding is applied.
* NGRP    number of energy groups.
* NBMIX   number of mixtures in the internal library.
* NREG    number of regions.
* NUN     number of unknowns per energy group.
* NBISO   number of isotopes specifications in the internal library.
* NL      number of Legendre orders required in the calculation
*         (NL=1 or higher).
* NED     number of extra vector edits.
* NDEL    number of delayed neutron precursor groups.
* LEAKSW  leakage flag (LEAKSW=.TRUE. if neutron leakage through
*         external boundary is present).
* ITRANC  type of transport correction.
* IPHASE  type of flux solution (=1 use a native flux solution door;
*         =2 use collision probabilities).
* TITR    title.
* KSPH    SPH equivalence flag (=0 no SPH correction; =1 SPH correction
*         in the fuel).
* NRES    number of self-shielding zones, as given by LIB:.
* NPASS   number of outer iterations.
* ICALC   simplified self-shielding flag (=1 IPLI0 is containing ICALC
*         data. =0 no ICALC data).
* ICORR   mutual resonance shielding flag (=1 to suppress the model
*         in cases it is required in LIB operator).
* ISUBG   type of self-shielding model (=1 use physical probability
*         tables; =3 use original Ribon method; =4 use Ribon extended
*         method; =6 use resonance spectrum expansion method).
* MAXST   maximum number of fixed point iterations for the ST scattering
*         source.
* LFLAT   force the initial subgroup flux to be flat if IPLI0 is open
*         in modification mode.
*
*-----------------------------------------------------------------------
*
      USE GANLIB
*----
*  SUBROUTINE ARGUMENTS
*----
      TYPE(C_PTR) IPLI0,IPTRK,IPLIB
      INTEGER IFTRAK,INDREC,IMPX,IGRMIN,IGRMAX,NGRP,NBMIX,NREG,NUN,
     1 NBISO,NL,NED,NDEL,ITRANC,IPHASE,KSPH,NRES,NPASS,ICALC,ICORR,
     2 ISUBG,MAXST
      CHARACTER CDOOR*12,TITR*72
      LOGICAL LEAKSW,LFLAT
*----
*  LOCAL VARIABLES
*----
      PARAMETER (NSTATE=40,MAXRSS=300,MAXESP=4)
      TYPE(C_PTR) JPLI0,KPLI0,JPLIB,KPLIB
      CHARACTER HSMG*131,HCAL*12,TEXT4*4,NAM1*4,FNAM1*4,NAM2*12,
     1 FNAM2*12,CBDPNM*12,TEXT8*8
      INTEGER IPAR(NSTATE),IRSS(MAXRSS),IESP(MAXESP+1)
      REAL TMPDAY(3),EESP(MAXESP+1)
      LOGICAL LTEST
*----
*  ALLOCATABLE ARRAYS
*----
      INTEGER, ALLOCATABLE, DIMENSION(:) :: MAT,KEYFLX,MIX,IEVOL,ITYPE,
     1 LSHI,IAPT,IHSUF,IREX,ILLIB,JCEDM,LSHI2
      INTEGER, ALLOCATABLE, DIMENSION(:,:) :: ISONAM,ISONRF,IHLIB
      REAL, ALLOCATABLE, DIMENSION(:) :: VOL,TN,DEN,ENER,GS,VOLMIX
      LOGICAL, ALLOCATABLE, DIMENSION(:) :: MASK,MASKL
*----
*  SCRATCH STORAGE ALLOCATION
*----
      ALLOCATE(MAT(NREG),KEYFLX(NREG),ISONAM(3,NBISO),ISONRF(3,NBISO),
     3 MIX(NBISO),IEVOL(NBISO),ITYPE(NBISO),LSHI(NBISO),IAPT(NBISO),
     4 IHSUF(NBISO),IREX(NBMIX),IHLIB(2,NBISO),ILLIB(NBISO))
      ALLOCATE(VOL(NREG),TN(NBISO),DEN(NBISO))
*----
*  RECOVER USEFUL INFORMATION FROM TRACKING OBJECT.
*----
      CALL LCMGET(IPTRK,'MATCOD',MAT)
      CALL LCMGET(IPTRK,'VOLUME',VOL)
      CALL LCMGET(IPTRK,'KEYFLX',KEYFLX)
*----
*  RECOVER USEFUL INFORMATION FROM LIBRARY OBJECTS.
*----
      CALL LCMGET(IPLIB,'ISOTOPESUSED',ISONAM)
      CALL LCMGET(IPLIB,'ISOTOPERNAME',ISONRF)
      CALL LCMGET(IPLIB,'ISOTOPESMIX',MIX)
      CALL LCMGET(IPLIB,'ISOTOPESTODO',IEVOL)
      CALL LCMGET(IPLIB,'ISOTOPESTYPE',ITYPE)
      CALL LCMGET(IPLIB,'ISOTOPESTEMP',TN)
*
      CALL LCMPUT(IPLI0,'ISOTOPESMIX',NBISO,1,MIX)
      CALL LCMPUT(IPLI0,'ISOTOPESTODO',NBISO,1,IEVOL)
      CALL LCMPUT(IPLI0,'ISOTOPESTYPE',NBISO,1,ITYPE)
      CALL LCMPUT(IPLI0,'ISOTOPESTEMP',NBISO,2,TN)
      IF(INDREC.EQ.1) THEN
         CALL LCMGET(IPLIB,'ISOTOPESDENS',DEN)
         CALL LCMPUT(IPLI0,'ISOTOPESDENS',NBISO,2,DEN)
      ELSE IF(INDREC.EQ.2) THEN
         CALL LCMGET(IPLI0,'ISOTOPESDENS',DEN)
      ENDIF
      CALL LCMGET(IPLIB,'ISOTOPESSHI',LSHI)
      CALL LCMLEN(IPLIB,'ISOTOPESDSN',NELSN,ITYLCM)
      IF(NELSN.GT.0) THEN
        NGIS=NGRP*NBISO
        ALLOCATE(GS(NGIS))
        CALL LCMGET(IPLIB,'ISOTOPESDSN',GS)
        CALL LCMPUT(IPLI0,'ISOTOPESDSN',NGIS,2,GS)
        CALL LCMGET(IPLIB,'ISOTOPESDSB',GS)
        CALL LCMPUT(IPLI0,'ISOTOPESDSB',NGIS,2,GS)
        DEALLOCATE(GS)
      ENDIF
      ALLOCATE(ENER(NGRP+1))
      CALL LCMGET(IPLIB,'ENERGY',ENER)
      CALL LCMPUT(IPLI0,'ENERGY',NGRP+1,2,ENER)
      CALL LCMGET(IPLIB,'DELTAU',ENER)
      CALL LCMPUT(IPLI0,'DELTAU',NGRP,2,ENER)
      DEALLOCATE(ENER)
      CALL LCMLEN(IPLIB,'CHI-LIMITS',NBESP,ITYLCM)
      IF(NBESP.GT.0) THEN
         NBESP=NBESP-1
         IF(NBESP.GT.MAXESP) CALL XABORT('USSDRV: MAXESP OVERFLOW.')
         CALL LCMGET(IPLIB,'CHI-LIMITS',IESP)
         CALL LCMPUT(IPLI0,'CHI-LIMITS',NBESP+1,1,IESP)
         CALL LCMGET(IPLIB,'CHI-ENERGY',EESP)
         CALL LCMPUT(IPLI0,'CHI-ENERGY',NBESP+1,2,EESP)
      ENDIF
      DO 10 ISO=1,NBISO
      DO 5 I=1,NREG
      IF(MAT(I).EQ.MIX(ISO)) GO TO 10
    5 CONTINUE
      LSHI(ISO)=0
   10 CONTINUE
*----
*  COMPUTE MIXTURESVOL.
*----
      ALLOCATE(VOLMIX(NBMIX))
      VOLMIX(:NBMIX)=0.0
      DO I=1,NREG
        IBM=MAT(I)
        IF(IBM.GT.0) VOLMIX(IBM)=VOLMIX(IBM)+VOL(I)
        CALL LCMPUT(IPLI0,'MIXTURESVOL',NBMIX,2,VOLMIX)
      ENDDO
      DEALLOCATE(VOLMIX)
*
      DO 15 ISO=1,NBISO
      TEXT8='MICROLIB'
      READ(TEXT8,'(2A4)') IHLIB(1,ISO),IHLIB(2,ISO)
      ILLIB(ISO)=0
   15 CONTINUE
      CALL LCMPUT(IPLI0,'ILIBRARYTYPE',2*NBISO,3,IHLIB(1,1))
      CALL LCMPUT(IPLI0,'ILIBRARYINDX',NBISO,1,ILLIB)
*
      JPLIB=LCMGID(IPLIB,'ISOTOPESLIST')
      JPLI0=LCMLID(IPLI0,'ISOTOPESLIST',NBISO)
      IF(INDREC.EQ.1) THEN
*        COPY THE NON RESONANT ISOTOPES.
         CALL KDRCPU(TK1)
         DO 20 ISO=1,NBISO
         IF((LSHI(ISO).EQ.0).OR.(DEN(ISO).EQ.0.0)) THEN
            CALL LCMLEL(JPLIB,ISO,ILEN,ITYLCM)
            IF(ILEN.EQ.0) THEN
              DO JSO=1,ISO-1
                CALL LCMLEL(JPLIB,JSO,ILEN,ITYLCM)
                IF(ILEN.EQ.0) CYCLE
                IF((ISONAM(1,ISO).EQ.ISONAM(1,JSO)).AND.(ISONAM(2,ISO)
     1          .EQ.ISONAM(2,JSO)).AND.(ISONAM(3,ISO).EQ.ISONAM(3,JSO)))
     2          THEN
                  IF(LSHI(JSO).GT.0) THEN
                    KPLIB=LCMGIL(JPLIB,JSO) ! set JSO-th isotope
                    GO TO 16
                  ELSE
                    GO TO 20
                  ENDIF
                ENDIF
              ENDDO
            ELSE
              KPLIB=LCMGIL(JPLIB,ISO) ! set ISO-th isotope
              GO TO 16
            ENDIF
            GO TO 20
   16       CALL LCMLEL(JPLI0,ISO,ILEN,ITYLCM)
            IF(ILEN.NE.0) GO TO 20
            KPLI0=LCMDIL(JPLI0,ISO) ! set ISO-th isotope
            CALL LCMEQU(KPLIB,KPLI0)
         ENDIF
   20    CONTINUE
         CALL KDRCPU(TK2)
         IF(IMPX.GT.1) WRITE(6,'(/33H USSDRV: CPU TIME SPENT TO COPY T,
     1   26HHE NON-RESONANT ISOTOPES =,F8.1,8H SECOND.)') TK2-TK1
*
*        WRITE THE OUTPUT INTERNAL LIBRARY PARAMETERS.
         CALL LCMGET(IPLIB,'STATE-VECTOR',IPAR)
         IPAR(8)=0
         IPAR(17)=0
         CALL LCMPUT(IPLI0,'STATE-VECTOR',NSTATE,1,IPAR)
         IF(NED.GT.0) THEN
            ALLOCATE(JCEDM(2*NED))
            CALL LCMGET(IPLIB,'ADDXSNAME-P0',JCEDM)
            CALL LCMPUT(IPLI0,'ADDXSNAME-P0',2*NED,3,JCEDM)
            DEALLOCATE(JCEDM)
         ENDIF
         CALL LCMLEN(IPLIB,'DEPL-CHAIN',ILENG,ITYLCM)
         IF(ILENG.NE.0) THEN
            CALL LCMSIX(IPLIB,'DEPL-CHAIN',1)
            CALL LCMSIX(IPLI0,'DEPL-CHAIN',1)
            CALL LCMEQU(IPLIB,IPLI0)
            CALL LCMSIX(IPLI0,' ',2)
            CALL LCMSIX(IPLIB,' ',2)
         ENDIF
      ENDIF
*----
*  RECOMPUTE THE VECTOR LSHI.
*----
      ALLOCATE(LSHI2(NBISO))
      NRES2=0
      NRES3=0
      DO 30 ISO=1,NBISO
      IF(LSHI(ISO).NE.0) NRES3=NRES3+1
      LSHI2(ISO)=0
   30 CONTINUE
      DO 80 INRS=1,NRES
   40 DENMAX=0.0
      KSOT=0
      DO 60 ISO=1,NBISO
      IF(LSHI2(ISO).EQ.0) THEN
         VOLISO=0.0
         DO 50 I=1,NREG
         IF(MAT(I).EQ.MIX(ISO)) VOLISO=VOLISO+VOL(I)
   50    CONTINUE
         IF((ABS(LSHI(ISO)).EQ.INRS).AND.(DEN(ISO)*VOLISO.GT.DENMAX))
     1   THEN
            KSOT=ISO
            DENMAX=DEN(ISO)*VOLISO
         ENDIF
      ENDIF
   60 CONTINUE
      IF(KSOT.GT.0) THEN
         NRES2=NRES2+1
         DO 70 ISO=1,NBISO
         LTEST=((ISONRF(1,ISO).EQ.ISONRF(1,KSOT)).AND.
     1      (ISONRF(2,ISO).EQ.ISONRF(2,KSOT)).AND.
     2      (ISONRF(3,ISO).EQ.ISONRF(3,KSOT)).AND.
     3      (ABS(LSHI(ISO)).EQ.INRS))
         LTEST=LTEST.OR.((ISONAM(1,ISO).EQ.ISONAM(1,KSOT)).AND.
     1      (ISONAM(2,ISO).EQ.ISONAM(2,KSOT)).AND.
     2      (ABS(LSHI(ISO)).EQ.INRS))
         IF(LTEST) LSHI2(ISO)=NRES2
         IF(LTEST.AND.(LSHI(ISO).EQ.-INRS)) THEN
            DO 65 JSO=1,NBISO
            IF(LSHI(JSO).EQ.LSHI(ISO)) LSHI2(JSO)=NRES2
   65       CONTINUE
         ENDIF
   70    CONTINUE
         GO TO 40
      ENDIF
   80 CONTINUE
      IF(NRES2.EQ.0) THEN
        CALL LCMEQU(IPLIB,IPLI0)
        GO TO 266
      ENDIF
*----
* FIND THE ISOTOPE-NAME SUFFIX VALUES.
*----
      TEXT4=' '
      READ(TEXT4,'(A4)') IHBLK
      DO 90 ISO=1,NBISO
      IF((LSHI2(ISO).NE.0).AND.(DEN(ISO).NE.0.0)) THEN
         WRITE(TEXT4,'(I4.4)') MIX(ISO)
         READ(TEXT4,'(A4)') IHSUF(ISO)
      ELSE
         IHSUF(ISO)=IHBLK
      ENDIF
   90 CONTINUE
      IF(ICALC.EQ.1) THEN
         CALL LCMSIX(IPLI0,'SHIBA_SG',1)
         CALL LCMSIX(IPLI0,'-DATA-CALC-',1)
         NAM1=' '
         CALL LCMNXT(IPLI0,NAM1)
         FNAM1=NAM1
  100    CALL LCMSIX(IPLI0,NAM1,1)
            NAM2=' '
            CALL LCMNXT(IPLI0,NAM2)
            FNAM2=NAM2
  110       CALL LCMLEN(IPLI0,NAM2,NRSS,ITYLCM)
            CALL LCMGET(IPLI0,NAM2,IRSS)
            READ(NAM2,'(2A4)') IN1,IN2
            DO 130 ISO=1,NBISO
            IF((ISONAM(1,ISO).EQ.IN1).AND.(ISONAM(2,ISO).EQ.IN2).AND.
     1      (LSHI2(ISO).NE.0)) THEN
               IF((NRSS.EQ.1).AND.(IRSS(1).EQ.-999)) THEN
                  READ(NAM1,'(A4)') IHSUF(ISO)
               ELSE
                  DO 120 I=1,NRSS
                  IF(IRSS(I).EQ.MIX(ISO)) READ(NAM1,'(A4)') IHSUF(ISO)
  120             CONTINUE
               ENDIF
            ENDIF
  130       CONTINUE
            CALL LCMNXT(IPLI0,NAM2)
            IF(NAM2.EQ.FNAM2) GO TO 140
            GO TO 110
  140    CALL LCMSIX(IPLI0,' ',2)
         CALL LCMNXT(IPLI0,NAM1)
         IF(NAM1.EQ.FNAM1) THEN
            CALL LCMSIX(IPLI0,' ',2)
            CALL LCMSIX(IPLI0,' ',2)
            GO TO 150
         ENDIF
         GO TO 100
      ENDIF
*
  150 NPASS2=NPASS
      IF(NRES3.EQ.1) NPASS2=1
      DO 265 IPASS=1,NPASS2
      IF((IMPX.GT.0).AND.(NPASS2.GT.1)) WRITE (6,'(/15H USSDRV: SELF S,
     1 25HHIELDING ITERATION NUMBER,I4,8H  NRES2=,I4,1H.)') IPASS,NRES2
      DO 260 INRS=1,NRES2
*----
*  COMPUTE THE NUMBER OF RESONANT ISOTOPES IN REGION INRS AND THE
*  RESONANT ISOTOPE INDEX ASSOCIATED TO EACH ISOTOPE SPECIFICATION.
*----
      NIRES=0
      DO 200 ISO=1,NBISO
      IAPT(ISO)=0
      IF((LSHI2(ISO).EQ.INRS).AND.(DEN(ISO).NE.0.0)) THEN
         DO 170 I=1,NREG
         IF(MAT(I).EQ.MIX(ISO)) GO TO 180
  170    CONTINUE
         GO TO 200
  180    DO 190 JSO=1,ISO-1
         IF((ISONAM(1,ISO).EQ.ISONAM(1,JSO)).AND.
     1      (ISONAM(2,ISO).EQ.ISONAM(2,JSO)).AND.
     2      (ISONAM(3,ISO).EQ.ISONAM(3,JSO)).AND.
     3      (LSHI2(JSO).EQ.INRS).AND.
     4      (DEN(JSO).NE.0.0).AND.(IAPT(JSO).NE.0)) THEN
              IAPT(ISO)=IAPT(JSO)
              GO TO 200
         ENDIF
  190    CONTINUE
         IIII=ISO
         NIRES=NIRES+1
         IAPT(ISO)=NIRES
      ENDIF
  200 CONTINUE
      WRITE(HCAL,'(1HC,I5.5,1H/,I5.5)') IIII,NBISO
      IF(NIRES.EQ.0) THEN
         WRITE(HSMG,'(45HUSSDRV: NO RESONANT ISOTOPES IN RESONANT REGI,
     1   9HON NUMBER,I4,7H (HCAL=,A12,2H).)') INRS,HCAL
         CALL XABORT(HSMG)
      ENDIF
      IF(IMPX.GT.0) WRITE (6,'(/35H USSDRV: PERFORMING SELF-SHIELDING ,
     1 18HCALCULATION NAMED ,A12,1H.)') HCAL
*----
*  FIND THE NUMBER OF FUEL REGIONS AND THE FUEL REGION INDICES ASSIGNED
*  TO EACH RESONANT MIXTURE.
*----
      NBNRS=0
      DO 210 IBM=1,NBMIX
      IREX(IBM)=0
  210 CONTINUE
      DO 230 ISO=1,NBISO
      IBM=MIX(ISO)
      IF((IAPT(ISO).GT.0).AND.(IREX(IBM).EQ.0)) THEN
         DO 220 JSO=1,ISO-1
         IF((IHSUF(JSO).EQ.IHSUF(ISO)).AND.(IAPT(JSO).EQ.IAPT(ISO)))
     1   THEN
            IREX(IBM)=IREX(MIX(JSO))
            GO TO 230
         ENDIF
  220    CONTINUE
         IF(IMPX.GT.0) WRITE(6,'(9X,3H-->,3A4)') (ISONAM(J,ISO),J=1,2),
     1   IHSUF(ISO)
         NBNRS=NBNRS+1
         IREX(IBM)=NBNRS
      ELSE IF(IAPT(ISO).GT.0) THEN
         IF(IMPX.GT.0) WRITE(6,'(9X,3H-->,3A4)') (ISONAM(J,ISO),J=1,3)
      ENDIF
  230 CONTINUE
      IF(NBNRS.EQ.0) THEN
         WRITE (HSMG,'(33HUSSDRV: INVALID RESONANT REGION =,I10)') INRS
         CALL XABORT(HSMG)
      ENDIF
      IF(IMPX.GE.0) WRITE(6,410) NIRES,NBNRS,INRS
*----
*  DETERMINE WHICH MODERATOR ISOTOPES ARE MIXED WITH RESONANT ONES.
*----
      DO 250 ISO=1,NBISO
      IF((IAPT(ISO).EQ.0).AND.(IREX(MIX(ISO)).GT.0)) IAPT(ISO)=NIRES+1
  250 CONTINUE
*----
*  ERASE OLD GROUP-INFO AND ASSEMB- DIRECTORIES.
*----
      IF(LFLAT.AND.(IPASS.EQ.1).AND.(INDREC.EQ.2)) THEN
         CALL LCMSIX(IPLI0,'SHIBA_SG',1)
         CALL LCMSIX(IPLI0,HCAL,1)
         DO IRES=1,NIRES
            WRITE(CBDPNM,'(3HCOR,I4.4,1H/,I4.4)') IRES,NIRES
            CALL LCMSIX(IPLI0,CBDPNM,1)
            CALL LCMLEN(IPLI0,'GROUP-INFO',ILONG,ITYLCM)
            IF(ILONG.GT.0) CALL LCMDEL(IPLI0,'GROUP-INFO')
            CALL LCMLEN(IPLI0,'ASSEMB-PHYS',ILONG,ITYLCM)
            IF(ILONG.GT.0) CALL LCMDEL(IPLI0,'ASSEMB-PHYS')
            CALL LCMLEN(IPLI0,'ASSEMB-RIBON',ILONG,ITYLCM)
            IF(ILONG.GT.0) CALL LCMDEL(IPLI0,'ASSEMB-RIBON')
            CALL LCMLEN(IPLI0,'ASSEMB-RSE',ILONG,ITYLCM)
            IF(ILONG.GT.0) CALL LCMDEL(IPLI0,'ASSEMB-RSE')
            CALL LCMSIX(IPLI0,' ',2)
         ENDDO
         CALL LCMSIX(IPLI0,' ',2)
         CALL LCMSIX(IPLI0,' ',2)
      ENDIF
*----
*  PERFORM A SELF-SHIELDING CALCULATION NAMED HCAL.
*----
      CALL USSONE(IPLI0,IPTRK,IPLIB,IFTRAK,CDOOR,IMPX,IGRMIN,IGRMAX,
     1 NIRES,NBNRS,IREX,NGRP,NBMIX,NREG,NUN,NBISO,NL,NED,NDEL,ISONAM,
     2 IHSUF,HCAL,DEN,MIX,IAPT,MAT,VOL,KEYFLX,LEAKSW,ITRANC,IPHASE,
     3 TITR,KSPH,ICORR,ISUBG,MAXST)
  260 CONTINUE
  265 CONTINUE
  266 DEALLOCATE(LSHI2)
      IF(IMPX.GE.4) CALL LCMLIB(IPLI0)
*----
*  BUILD THE MACROLIB IN THE OUTPUT INTERNAL LIBRARY.
*----
      ALLOCATE(MASK(NBMIX))
      DO 280 IBM=1,NBMIX
      MASK(IBM)=.TRUE.
      DO 270 I=1,NREG
      IF(MAT(I).EQ.IBM) GO TO 280
  270 CONTINUE
      MASK(IBM)=.FALSE.
  280 CONTINUE
      ALLOCATE(MASKL(NGRP))
      DO 290 I=1,NGRP
      MASKL(I)=.TRUE.
  290 CONTINUE
*
      ITSTMP=0
      TMPDAY(1)=0.0
      TMPDAY(2)=0.0
      TMPDAY(3)=0.0
      CALL KDRCPU(TK1)
      CALL LCMLEN(IPLI0,'ISOTOPESUSED',ILENG,ITYLCM)
      IF(ILENG.EQ.0) CALL XABORT('USSDRV: MISSING ISOTOPESUSED RECORD.')
      CALL LCMGET(IPLI0,'ISOTOPESUSED',ISONAM)
      CALL LIBMIX(IPLI0,NBMIX,NGRP,NBISO,ISONAM,MIX,DEN,MASK,MASKL,
     1 ITSTMP,TMPDAY)
      CALL KDRCPU(TK2)
      IF(IMPX.GT.1) WRITE(6,'(/37H USSDRV: CPU TIME SPENT TO BUILD THE ,
     1 19HEMBEDDED MACROLIB =,F8.1,8H SECOND.)') TK2-TK1
      DEALLOCATE(MASKL,MASK)
*----
*  SCRATCH STORAGE DEALLOCATION
*----
      DEALLOCATE(DEN,TN,VOL)
      DEALLOCATE(ILLIB,IHLIB,IREX,IHSUF,IAPT,LSHI,ITYPE,IEVOL,MIX,
     1 ISONRF,ISONAM,KEYFLX,MAT)
      RETURN
*
  410 FORMAT(/48H USSDRV: NUMBER OF CORRELATED RESONANT ISOTOPES=,I4/9X,
     1 35HNUMBER OF CORRELATED FUEL MIXTURES=,I4,19H IN RESONANT REGION,
     2 I3)
      END