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cchksy.f
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1*> \brief \b CCHKSY
2*
3* =========== DOCUMENTATION ===========
4*
5* Online html documentation available at
6* http://www.netlib.org/lapack/explore-html/
7*
8* Definition:
9* ===========
10*
11* SUBROUTINE CCHKSY( DOTYPE, NN, NVAL, NNB, NBVAL, NNS, NSVAL,
12* THRESH, TSTERR, NMAX, A, AFAC, AINV, B, X,
13* XACT, WORK, RWORK, IWORK, NOUT )
14*
15* .. Scalar Arguments ..
16* LOGICAL TSTERR
17* INTEGER NMAX, NN, NNB, NNS, NOUT
18* REAL THRESH
19* ..
20* .. Array Arguments ..
21* LOGICAL DOTYPE( * )
22* INTEGER IWORK( * ), NBVAL( * ), NSVAL( * ), NVAL( * )
23* REAL RWORK( * )
24* COMPLEX A( * ), AFAC( * ), AINV( * ), B( * ),
25* $ WORK( * ), X( * ), XACT( * )
26* ..
27*
28*
29*> \par Purpose:
30* =============
31*>
32*> \verbatim
33*>
34*> CCHKSY tests CSYTRF, -TRI2, -TRS, -TRS2, -RFS, and -CON.
35*> \endverbatim
36*
37* Arguments:
38* ==========
39*
40*> \param[in] DOTYPE
41*> \verbatim
42*> DOTYPE is LOGICAL array, dimension (NTYPES)
43*> The matrix types to be used for testing. Matrices of type j
44*> (for 1 <= j <= NTYPES) are used for testing if DOTYPE(j) =
45*> .TRUE.; if DOTYPE(j) = .FALSE., then type j is not used.
46*> \endverbatim
47*>
48*> \param[in] NN
49*> \verbatim
50*> NN is INTEGER
51*> The number of values of N contained in the vector NVAL.
52*> \endverbatim
53*>
54*> \param[in] NVAL
55*> \verbatim
56*> NVAL is INTEGER array, dimension (NN)
57*> The values of the matrix dimension N.
58*> \endverbatim
59*>
60*> \param[in] NNB
61*> \verbatim
62*> NNB is INTEGER
63*> The number of values of NB contained in the vector NBVAL.
64*> \endverbatim
65*>
66*> \param[in] NBVAL
67*> \verbatim
68*> NBVAL is INTEGER array, dimension (NNB)
69*> The values of the blocksize NB.
70*> \endverbatim
71*>
72*> \param[in] NNS
73*> \verbatim
74*> NNS is INTEGER
75*> The number of values of NRHS contained in the vector NSVAL.
76*> \endverbatim
77*>
78*> \param[in] NSVAL
79*> \verbatim
80*> NSVAL is INTEGER array, dimension (NNS)
81*> The values of the number of right hand sides NRHS.
82*> \endverbatim
83*>
84*> \param[in] THRESH
85*> \verbatim
86*> THRESH is REAL
87*> The threshold value for the test ratios. A result is
88*> included in the output file if RESULT >= THRESH. To have
89*> every test ratio printed, use THRESH = 0.
90*> \endverbatim
91*>
92*> \param[in] TSTERR
93*> \verbatim
94*> TSTERR is LOGICAL
95*> Flag that indicates whether error exits are to be tested.
96*> \endverbatim
97*>
98*> \param[in] NMAX
99*> \verbatim
100*> NMAX is INTEGER
101*> The maximum value permitted for N, used in dimensioning the
102*> work arrays.
103*> \endverbatim
104*>
105*> \param[out] A
106*> \verbatim
107*> A is COMPLEX array, dimension (NMAX*NMAX)
108*> \endverbatim
109*>
110*> \param[out] AFAC
111*> \verbatim
112*> AFAC is COMPLEX array, dimension (NMAX*NMAX)
113*> \endverbatim
114*>
115*> \param[out] AINV
116*> \verbatim
117*> AINV is COMPLEX array, dimension (NMAX*NMAX)
118*> \endverbatim
119*>
120*> \param[out] B
121*> \verbatim
122*> B is COMPLEX array, dimension (NMAX*NSMAX)
123*> where NSMAX is the largest entry in NSVAL.
124*> \endverbatim
125*>
126*> \param[out] X
127*> \verbatim
128*> X is COMPLEX array, dimension (NMAX*NSMAX)
129*> \endverbatim
130*>
131*> \param[out] XACT
132*> \verbatim
133*> XACT is COMPLEX array, dimension (NMAX*NSMAX)
134*> \endverbatim
135*>
136*> \param[out] WORK
137*> \verbatim
138*> WORK is COMPLEX array, dimension (NMAX*max(2,NSMAX))
139*> \endverbatim
140*>
141*> \param[out] RWORK
142*> \verbatim
143*> RWORK is REAL array, dimension (NMAX+2*NSMAX)
144*> \endverbatim
145*>
146*> \param[out] IWORK
147*> \verbatim
148*> IWORK is INTEGER array, dimension (NMAX)
149*> \endverbatim
150*>
151*> \param[in] NOUT
152*> \verbatim
153*> NOUT is INTEGER
154*> The unit number for output.
155*> \endverbatim
156*
157* Authors:
158* ========
159*
160*> \author Univ. of Tennessee
161*> \author Univ. of California Berkeley
162*> \author Univ. of Colorado Denver
163*> \author NAG Ltd.
164*
165*> \ingroup complex_lin
166*
167* =====================================================================
168 SUBROUTINE cchksy( DOTYPE, NN, NVAL, NNB, NBVAL, NNS, NSVAL,
169 $ THRESH, TSTERR, NMAX, A, AFAC, AINV, B, X,
170 $ XACT, WORK, RWORK, IWORK, NOUT )
171*
172* -- LAPACK test routine --
173* -- LAPACK is a software package provided by Univ. of Tennessee, --
174* -- Univ. of California Berkeley, Univ. of Colorado Denver and NAG Ltd..--
175*
176* .. Scalar Arguments ..
177 LOGICAL TSTERR
178 INTEGER NMAX, NN, NNB, NNS, NOUT
179 REAL THRESH
180* ..
181* .. Array Arguments ..
182 LOGICAL DOTYPE( * )
183 INTEGER IWORK( * ), NBVAL( * ), NSVAL( * ), NVAL( * )
184 REAL RWORK( * )
185 COMPLEX A( * ), AFAC( * ), AINV( * ), B( * ),
186 $ work( * ), x( * ), xact( * )
187* ..
188*
189* =====================================================================
190*
191* .. Parameters ..
192 REAL ZERO
193 PARAMETER ( ZERO = 0.0e+0 )
194 COMPLEX CZERO
195 parameter( czero = ( 0.0e+0, 0.0e+0 ) )
196 INTEGER NTYPES
197 parameter( ntypes = 11 )
198 INTEGER NTESTS
199 parameter( ntests = 9 )
200* ..
201* .. Local Scalars ..
202 LOGICAL TRFCON, ZEROT
203 CHARACTER DIST, TYPE, UPLO, XTYPE
204 CHARACTER*3 PATH
205 INTEGER I, I1, I2, IMAT, IN, INB, INFO, IOFF, IRHS,
206 $ iuplo, izero, j, k, kl, ku, lda, lwork, mode,
207 $ n, nb, nerrs, nfail, nimat, nrhs, nrun, nt
208 REAL ANORM, CNDNUM, RCOND, RCONDC
209* ..
210* .. Local Arrays ..
211 CHARACTER UPLOS( 2 )
212 INTEGER ISEED( 4 ), ISEEDY( 4 )
213 REAL RESULT( NTESTS )
214* ..
215* .. External Functions ..
216 REAL SGET06, CLANSY
217 EXTERNAL SGET06, CLANSY
218* ..
219* .. External Subroutines ..
220 EXTERNAL alaerh, alahd, alasum, cerrsy, cget04, clacpy,
221 $ clarhs, clatb4, clatms, clatsy, cpot05, csycon,
222 $ csyrfs, csyt01, csyt02, csyt03, csytrf,
223 $ csytri2, csytrs, xlaenv
224* ..
225* .. Intrinsic Functions ..
226 INTRINSIC max, min
227* ..
228* .. Scalars in Common ..
229 LOGICAL LERR, OK
230 CHARACTER*32 SRNAMT
231 INTEGER INFOT, NUNIT
232* ..
233* .. Common blocks ..
234 COMMON / infoc / infot, nunit, ok, lerr
235 COMMON / srnamc / srnamt
236* ..
237* .. Data statements ..
238 DATA iseedy / 1988, 1989, 1990, 1991 /
239 DATA uplos / 'U', 'L' /
240* ..
241* .. Executable Statements ..
242*
243* Initialize constants and the random number seed.
244*
245 path( 1: 1 ) = 'Complex precision'
246 path( 2: 3 ) = 'SY'
247 nrun = 0
248 nfail = 0
249 nerrs = 0
250 DO 10 i = 1, 4
251 iseed( i ) = iseedy( i )
252 10 CONTINUE
253*
254* Test the error exits
255*
256 IF( tsterr )
257 $ CALL cerrsy( path, nout )
258 infot = 0
259*
260* Set the minimum block size for which the block routine should
261* be used, which will be later returned by ILAENV
262*
263 CALL xlaenv( 2, 2 )
264*
265* Do for each value of N in NVAL
266*
267 DO 180 in = 1, nn
268 n = nval( in )
269 lda = max( n, 1 )
270 xtype = 'N'
271 nimat = ntypes
272 IF( n.LE.0 )
273 $ nimat = 1
274*
275 izero = 0
276*
277* Do for each value of matrix type IMAT
278*
279 DO 170 imat = 1, nimat
280*
281* Do the tests only if DOTYPE( IMAT ) is true.
282*
283 IF( .NOT.dotype( imat ) )
284 $ GO TO 170
285*
286* Skip types 3, 4, 5, or 6 if the matrix size is too small.
287*
288 zerot = imat.GE.3 .AND. imat.LE.6
289 IF( zerot .AND. n.LT.imat-2 )
290 $ GO TO 170
291*
292* Do first for UPLO = 'U', then for UPLO = 'L'
293*
294 DO 160 iuplo = 1, 2
295 uplo = uplos( iuplo )
296*
297* Begin generate test matrix A.
298*
299 IF( imat.NE.ntypes ) THEN
300*
301* Set up parameters with CLATB4 for the matrix generator
302* based on the type of matrix to be generated.
303*
304 CALL clatb4( path, imat, n, n, TYPE, kl, ku, anorm,
305 $ mode, cndnum, dist )
306*
307* Generate a matrix with CLATMS.
308*
309 srnamt = 'CLATMS'
310 CALL clatms( n, n, dist, iseed, TYPE, rwork, mode,
311 $ cndnum, anorm, kl, ku, 'n', A, LDA, WORK,
312 $ INFO )
313*
314* Check error code from CLATMS and handle error.
315*
316.NE. IF( INFO0 ) THEN
317 CALL ALAERH( PATH, 'clatms', INFO, 0, UPLO, N, N,
318 $ -1, -1, -1, IMAT, NFAIL, NERRS, NOUT )
319*
320* Skip all tests for this generated matrix
321*
322 GO TO 160
323 END IF
324*
325* For matrix types 3-6, zero one or more rows and
326* columns of the matrix to test that INFO is returned
327* correctly.
328*
329 IF( ZEROT ) THEN
330.EQ. IF( IMAT3 ) THEN
331 IZERO = 1
332.EQ. ELSE IF( IMAT4 ) THEN
333 IZERO = N
334 ELSE
335 IZERO = N / 2 + 1
336 END IF
337*
338.LT. IF( IMAT6 ) THEN
339*
340* Set row and column IZERO to zero.
341*
342.EQ. IF( IUPLO1 ) THEN
343 IOFF = ( IZERO-1 )*LDA
344 DO 20 I = 1, IZERO - 1
345 A( IOFF+I ) = CZERO
346 20 CONTINUE
347 IOFF = IOFF + IZERO
348 DO 30 I = IZERO, N
349 A( IOFF ) = CZERO
350 IOFF = IOFF + LDA
351 30 CONTINUE
352 ELSE
353 IOFF = IZERO
354 DO 40 I = 1, IZERO - 1
355 A( IOFF ) = CZERO
356 IOFF = IOFF + LDA
357 40 CONTINUE
358 IOFF = IOFF - IZERO
359 DO 50 I = IZERO, N
360 A( IOFF+I ) = CZERO
361 50 CONTINUE
362 END IF
363 ELSE
364.EQ. IF( IUPLO1 ) THEN
365*
366* Set the first IZERO rows to zero.
367*
368 IOFF = 0
369 DO 70 J = 1, N
370 I2 = MIN( J, IZERO )
371 DO 60 I = 1, I2
372 A( IOFF+I ) = CZERO
373 60 CONTINUE
374 IOFF = IOFF + LDA
375 70 CONTINUE
376 ELSE
377*
378* Set the last IZERO rows to zero.
379*
380 IOFF = 0
381 DO 90 J = 1, N
382 I1 = MAX( J, IZERO )
383 DO 80 I = I1, N
384 A( IOFF+I ) = CZERO
385 80 CONTINUE
386 IOFF = IOFF + LDA
387 90 CONTINUE
388 END IF
389 END IF
390 ELSE
391 IZERO = 0
392 END IF
393*
394 ELSE
395*
396* For matrix kind IMAT = 11, generate special block
397* diagonal matrix to test alternate code
398* for the 2 x 2 blocks.
399*
400 CALL CLATSY( UPLO, N, A, LDA, ISEED )
401*
402 END IF
403*
404* End generate test matrix A.
405*
406*
407* Do for each value of NB in NBVAL
408*
409 DO 150 INB = 1, NNB
410*
411* Set the optimal blocksize, which will be later
412* returned by ILAENV.
413*
414 NB = NBVAL( INB )
415 CALL XLAENV( 1, NB )
416*
417* Copy the test matrix A into matrix AFAC which
418* will be factorized in place. This is needed to
419* preserve the test matrix A for subsequent tests.
420*
421 CALL CLACPY( UPLO, N, N, A, LDA, AFAC, LDA )
422*
423* Compute the L*D*L**T or U*D*U**T factorization of the
424* matrix. IWORK stores details of the interchanges and
425* the block structure of D. AINV is a work array for
426* block factorization, LWORK is the length of AINV.
427*
428 LWORK = MAX( 2, NB )*LDA
429 SRNAMT = 'csytrf'
430 CALL CSYTRF( UPLO, N, AFAC, LDA, IWORK, AINV, LWORK,
431 $ INFO )
432*
433* Adjust the expected value of INFO to account for
434* pivoting.
435*
436 K = IZERO
437.GT. IF( K0 ) THEN
438 100 CONTINUE
439.LT. IF( IWORK( K )0 ) THEN
440.NE. IF( IWORK( K )-K ) THEN
441 K = -IWORK( K )
442 GO TO 100
443 END IF
444.NE. ELSE IF( IWORK( K )K ) THEN
445 K = IWORK( K )
446 GO TO 100
447 END IF
448 END IF
449*
450* Check error code from CSYTRF and handle error.
451*
452.NE. IF( INFOK )
453 $ CALL ALAERH( PATH, 'csytrf', INFO, K, UPLO, N, N,
454 $ -1, -1, NB, IMAT, NFAIL, NERRS, NOUT )
455*
456* Set the condition estimate flag if the INFO is not 0.
457*
458.NE. IF( INFO0 ) THEN
459 TRFCON = .TRUE.
460 ELSE
461 TRFCON = .FALSE.
462 END IF
463*
464*+ TEST 1
465* Reconstruct matrix from factors and compute residual.
466*
467 CALL CSYT01( UPLO, N, A, LDA, AFAC, LDA, IWORK, AINV,
468 $ LDA, RWORK, RESULT( 1 ) )
469 NT = 1
470*
471*+ TEST 2
472* Form the inverse and compute the residual,
473* if the factorization was competed without INFO > 0
474* (i.e. there is no zero rows and columns).
475* Do it only for the first block size.
476*
477.EQ..AND..NOT. IF( INB1 TRFCON ) THEN
478 CALL CLACPY( UPLO, N, N, AFAC, LDA, AINV, LDA )
479 SRNAMT = 'csytri2'
480 LWORK = (N+NB+1)*(NB+3)
481 CALL CSYTRI2( UPLO, N, AINV, LDA, IWORK, WORK,
482 $ LWORK, INFO )
483*
484* Check error code from CSYTRI2 and handle error.
485*
486.NE. IF( INFO0 )
487 $ CALL ALAERH( PATH, 'csytri2', INFO, 0, UPLO, N,
488 $ N, -1, -1, -1, IMAT, NFAIL, NERRS,
489 $ NOUT )
490*
491* Compute the residual for a symmetric matrix times
492* its inverse.
493*
494 CALL CSYT03( UPLO, N, A, LDA, AINV, LDA, WORK, LDA,
495 $ RWORK, RCONDC, RESULT( 2 ) )
496 NT = 2
497 END IF
498*
499* Print information about the tests that did not pass
500* the threshold.
501*
502 DO 110 K = 1, NT
503.GE. IF( RESULT( K )THRESH ) THEN
504.EQ..AND..EQ. IF( NFAIL0 NERRS0 )
505 $ CALL ALAHD( NOUT, PATH )
506 WRITE( NOUT, FMT = 9999 )UPLO, N, NB, IMAT, K,
507 $ RESULT( K )
508 NFAIL = NFAIL + 1
509 END IF
510 110 CONTINUE
511 NRUN = NRUN + NT
512*
513* Skip the other tests if this is not the first block
514* size.
515*
516.GT. IF( INB1 )
517 $ GO TO 150
518*
519* Do only the condition estimate if INFO is not 0.
520*
521 IF( TRFCON ) THEN
522 RCONDC = ZERO
523 GO TO 140
524 END IF
525*
526* Do for each value of NRHS in NSVAL.
527*
528 DO 130 IRHS = 1, NNS
529 NRHS = NSVAL( IRHS )
530*
531*+ TEST 3 (Using TRS)
532* Solve and compute residual for A * X = B.
533*
534* Choose a set of NRHS random solution vectors
535* stored in XACT and set up the right hand side B
536*
537 SRNAMT = 'clarhs'
538 CALL CLARHS( PATH, XTYPE, UPLO, ' ', N, N, KL, KU,
539 $ NRHS, A, LDA, XACT, LDA, B, LDA,
540 $ ISEED, INFO )
541 CALL CLACPY( 'full', N, NRHS, B, LDA, X, LDA )
542*
543 SRNAMT = 'csytrs'
544 CALL CSYTRS( UPLO, N, NRHS, AFAC, LDA, IWORK, X,
545 $ LDA, INFO )
546*
547* Check error code from CSYTRS and handle error.
548*
549.NE. IF( INFO0 )
550 $ CALL ALAERH( PATH, 'csytrs', INFO, 0, UPLO, N,
551 $ N, -1, -1, NRHS, IMAT, NFAIL,
552 $ NERRS, NOUT )
553*
554 CALL CLACPY( 'full', N, NRHS, B, LDA, WORK, LDA )
555*
556* Compute the residual for the solution
557*
558 CALL CSYT02( UPLO, N, NRHS, A, LDA, X, LDA, WORK,
559 $ LDA, RWORK, RESULT( 3 ) )
560*
561*+ TEST 4 (Using TRS2)
562* Solve and compute residual for A * X = B.
563*
564* Choose a set of NRHS random solution vectors
565* stored in XACT and set up the right hand side B
566*
567 SRNAMT = 'clarhs'
568 CALL CLARHS( PATH, XTYPE, UPLO, ' ', N, N, KL, KU,
569 $ NRHS, A, LDA, XACT, LDA, B, LDA,
570 $ ISEED, INFO )
571 CALL CLACPY( 'full', N, NRHS, B, LDA, X, LDA )
572*
573 SRNAMT = 'csytrs2'
574 CALL CSYTRS2( UPLO, N, NRHS, AFAC, LDA, IWORK, X,
575 $ LDA, WORK, INFO )
576*
577* Check error code from CSYTRS2 and handle error.
578*
579.NE. IF( INFO0 )
580 $ CALL ALAERH( PATH, 'csytrs2', INFO, 0, UPLO, N,
581 $ N, -1, -1, NRHS, IMAT, NFAIL,
582 $ NERRS, NOUT )
583*
584 CALL CLACPY( 'full', N, NRHS, B, LDA, WORK, LDA )
585*
586* Compute the residual for the solution
587*
588 CALL CSYT02( UPLO, N, NRHS, A, LDA, X, LDA, WORK,
589 $ LDA, RWORK, RESULT( 4 ) )
590*
591*+ TEST 5
592* Check solution from generated exact solution.
593*
594 CALL CGET04( N, NRHS, X, LDA, XACT, LDA, RCONDC,
595 $ RESULT( 5 ) )
596*
597*+ TESTS 6, 7, and 8
598* Use iterative refinement to improve the solution.
599*
600 SRNAMT = 'csyrfs'
601 CALL CSYRFS( UPLO, N, NRHS, A, LDA, AFAC, LDA,
602 $ IWORK, B, LDA, X, LDA, RWORK,
603 $ RWORK( NRHS+1 ), WORK,
604 $ RWORK( 2*NRHS+1 ), INFO )
605*
606* Check error code from CSYRFS and handle error.
607*
608.NE. IF( INFO0 )
609 $ CALL ALAERH( PATH, 'csyrfs', INFO, 0, UPLO, N,
610 $ N, -1, -1, NRHS, IMAT, NFAIL,
611 $ NERRS, NOUT )
612*
613 CALL CGET04( N, NRHS, X, LDA, XACT, LDA, RCONDC,
614 $ RESULT( 6 ) )
615 CALL CPOT05( UPLO, N, NRHS, A, LDA, B, LDA, X, LDA,
616 $ XACT, LDA, RWORK, RWORK( NRHS+1 ),
617 $ RESULT( 7 ) )
618*
619* Print information about the tests that did not pass
620* the threshold.
621*
622 DO 120 K = 3, 8
623.GE. IF( RESULT( K )THRESH ) THEN
624.EQ..AND..EQ. IF( NFAIL0 NERRS0 )
625 $ CALL ALAHD( NOUT, PATH )
626 WRITE( NOUT, FMT = 9998 )UPLO, N, NRHS,
627 $ IMAT, K, RESULT( K )
628 NFAIL = NFAIL + 1
629 END IF
630 120 CONTINUE
631 NRUN = NRUN + 6
632*
633* End do for each value of NRHS in NSVAL.
634*
635 130 CONTINUE
636*
637*+ TEST 9
638* Get an estimate of RCOND = 1/CNDNUM.
639*
640 140 CONTINUE
641 ANORM = CLANSY( '1', UPLO, N, A, LDA, RWORK )
642 SRNAMT = 'csycon'
643 CALL CSYCON( UPLO, N, AFAC, LDA, IWORK, ANORM, RCOND,
644 $ WORK, INFO )
645*
646* Check error code from CSYCON and handle error.
647*
648.NE. IF( INFO0 )
649 $ CALL ALAERH( PATH, 'csycon', INFO, 0, UPLO, N, N,
650 $ -1, -1, -1, IMAT, NFAIL, NERRS, NOUT )
651*
652* Compute the test ratio to compare values of RCOND
653*
654 RESULT( 9 ) = SGET06( RCOND, RCONDC )
655*
656* Print information about the tests that did not pass
657* the threshold.
658*
659.GE. IF( RESULT( 9 )THRESH ) THEN
660.EQ..AND..EQ. IF( NFAIL0 NERRS0 )
661 $ CALL ALAHD( NOUT, PATH )
662 WRITE( NOUT, FMT = 9997 )UPLO, N, IMAT, 9,
663 $ RESULT( 9 )
664 NFAIL = NFAIL + 1
665 END IF
666 NRUN = NRUN + 1
667 150 CONTINUE
668 160 CONTINUE
669 170 CONTINUE
670 180 CONTINUE
671*
672* Print a summary of the results.
673*
674 CALL ALASUM( PATH, NOUT, NFAIL, NRUN, NERRS )
675*
676 9999 FORMAT( ' uplo = ''', A1, ''', n =', I5, ', nb =', I4, ', type ',
677 $ I2, ', test ', I2, ', ratio =', G12.5 )
678 9998 FORMAT( ' uplo = ''', A1, ''', n =', I5, ', nrhs=', I3, ', type ',
679 $ I2, ', test(', I2, ') =', G12.5 )
680 9997 FORMAT( ' uplo = ''', A1, ''', n =', I5, ',', 10X, ' type ', I2,
681 $ ', test(', I2, ') =', G12.5 )
682 RETURN
683*
684* End of CCHKSY
685*
686 END
xlaenv
subroutine xlaenv(ispec, nvalue)
XLAENV
Definition xlaenv.f:81
alasum
subroutine alasum(type, nout, nfail, nrun, nerrs)
ALASUM
Definition alasum.f:73
alahd
subroutine alahd(iounit, path)
ALAHD
Definition alahd.f:107
alaerh
subroutine alaerh(path, subnam, info, infoe, opts, m, n, kl, ku, n5, imat, nfail, nerrs, nout)
ALAERH
Definition alaerh.f:147
clacpy
subroutine clacpy(uplo, m, n, a, lda, b, ldb)
CLACPY copies all or part of one two-dimensional array to another.
Definition clacpy.f:103
csytrs2
subroutine csytrs2(uplo, n, nrhs, a, lda, ipiv, b, ldb, work, info)
CSYTRS2
Definition csytrs2.f:132
csytrs
subroutine csytrs(uplo, n, nrhs, a, lda, ipiv, b, ldb, info)
CSYTRS
Definition csytrs.f:120
csycon
subroutine csycon(uplo, n, a, lda, ipiv, anorm, rcond, work, info)
CSYCON
Definition csycon.f:125
csytrf
subroutine csytrf(uplo, n, a, lda, ipiv, work, lwork, info)
CSYTRF
Definition csytrf.f:182
csyrfs
subroutine csyrfs(uplo, n, nrhs, a, lda, af, ldaf, ipiv, b, ldb, x, ldx, ferr, berr, work, rwork, info)
CSYRFS
Definition csyrfs.f:192
csytri2
subroutine csytri2(uplo, n, a, lda, ipiv, work, lwork, info)
CSYTRI2
Definition csytri2.f:127
clarhs
subroutine clarhs(path, xtype, uplo, trans, m, n, kl, ku, nrhs, a, lda, x, ldx, b, ldb, iseed, info)
CLARHS
Definition clarhs.f:208
cerrsy
subroutine cerrsy(path, nunit)
CERRSY
Definition cerrsy.f:55
cchksy
subroutine cchksy(dotype, nn, nval, nnb, nbval, nns, nsval, thresh, tsterr, nmax, a, afac, ainv, b, x, xact, work, rwork, iwork, nout)
CCHKSY
Definition cchksy.f:171
csyt03
subroutine csyt03(uplo, n, a, lda, ainv, ldainv, work, ldwork, rwork, rcond, resid)
CSYT03
Definition csyt03.f:126
clatsy
subroutine clatsy(uplo, n, x, ldx, iseed)
CLATSY
Definition clatsy.f:89
csyt01
subroutine csyt01(uplo, n, a, lda, afac, ldafac, ipiv, c, ldc, rwork, resid)
CSYT01
Definition csyt01.f:125
cpot05
subroutine cpot05(uplo, n, nrhs, a, lda, b, ldb, x, ldx, xact, ldxact, ferr, berr, reslts)
CPOT05
Definition cpot05.f:165
csyt02
subroutine csyt02(uplo, n, nrhs, a, lda, x, ldx, b, ldb, rwork, resid)
CSYT02
Definition csyt02.f:127
clatb4
subroutine clatb4(path, imat, m, n, type, kl, ku, anorm, mode, cndnum, dist)
CLATB4
Definition clatb4.f:121
cget04
subroutine cget04(n, nrhs, x, ldx, xact, ldxact, rcond, resid)
CGET04
Definition cget04.f:102
clatms
subroutine clatms(m, n, dist, iseed, sym, d, mode, cond, dmax, kl, ku, pack, a, lda, work, info)
CLATMS
Definition clatms.f:332
min
#define min(a, b)
Definition macros.h:20
max
#define max(a, b)
Definition macros.h:21