LAPACK  3.8.0
LAPACK: Linear Algebra PACKage

◆ ddrvpo()

subroutine ddrvpo ( logical, dimension( * )  DOTYPE,
integer  NN,
integer, dimension( * )  NVAL,
integer  NRHS,
double precision  THRESH,
logical  TSTERR,
integer  NMAX,
double precision, dimension( * )  A,
double precision, dimension( * )  AFAC,
double precision, dimension( * )  ASAV,
double precision, dimension( * )  B,
double precision, dimension( * )  BSAV,
double precision, dimension( * )  X,
double precision, dimension( * )  XACT,
double precision, dimension( * )  S,
double precision, dimension( * )  WORK,
double precision, dimension( * )  RWORK,
integer, dimension( * )  IWORK,
integer  NOUT 
)

DDRVPO

DDRVPOX

Purpose:
 DDRVPO tests the driver routines DPOSV and -SVX.
Parameters
[in]DOTYPE
          DOTYPE is LOGICAL array, dimension (NTYPES)
          The matrix types to be used for testing.  Matrices of type j
          (for 1 <= j <= NTYPES) are used for testing if DOTYPE(j) =
          .TRUE.; if DOTYPE(j) = .FALSE., then type j is not used.
[in]NN
          NN is INTEGER
          The number of values of N contained in the vector NVAL.
[in]NVAL
          NVAL is INTEGER array, dimension (NN)
          The values of the matrix dimension N.
[in]NRHS
          NRHS is INTEGER
          The number of right hand side vectors to be generated for
          each linear system.
[in]THRESH
          THRESH is DOUBLE PRECISION
          The threshold value for the test ratios.  A result is
          included in the output file if RESULT >= THRESH.  To have
          every test ratio printed, use THRESH = 0.
[in]TSTERR
          TSTERR is LOGICAL
          Flag that indicates whether error exits are to be tested.
[in]NMAX
          NMAX is INTEGER
          The maximum value permitted for N, used in dimensioning the
          work arrays.
[out]A
          A is DOUBLE PRECISION array, dimension (NMAX*NMAX)
[out]AFAC
          AFAC is DOUBLE PRECISION array, dimension (NMAX*NMAX)
[out]ASAV
          ASAV is DOUBLE PRECISION array, dimension (NMAX*NMAX)
[out]B
          B is DOUBLE PRECISION array, dimension (NMAX*NRHS)
[out]BSAV
          BSAV is DOUBLE PRECISION array, dimension (NMAX*NRHS)
[out]X
          X is DOUBLE PRECISION array, dimension (NMAX*NRHS)
[out]XACT
          XACT is DOUBLE PRECISION array, dimension (NMAX*NRHS)
[out]S
          S is DOUBLE PRECISION array, dimension (NMAX)
[out]WORK
          WORK is DOUBLE PRECISION array, dimension
                      (NMAX*max(3,NRHS))
[out]RWORK
          RWORK is DOUBLE PRECISION array, dimension (NMAX+2*NRHS)
[out]IWORK
          IWORK is INTEGER array, dimension (NMAX)
[in]NOUT
          NOUT is INTEGER
          The unit number for output.
Author
Univ. of Tennessee
Univ. of California Berkeley
Univ. of Colorado Denver
NAG Ltd.
Date
December 2016
Purpose:
 DDRVPO tests the driver routines DPOSV, -SVX, and -SVXX.

 Note that this file is used only when the XBLAS are available,
 otherwise ddrvpo.f defines this subroutine.
Parameters
[in]DOTYPE
          DOTYPE is LOGICAL array, dimension (NTYPES)
          The matrix types to be used for testing.  Matrices of type j
          (for 1 <= j <= NTYPES) are used for testing if DOTYPE(j) =
          .TRUE.; if DOTYPE(j) = .FALSE., then type j is not used.
[in]NN
          NN is INTEGER
          The number of values of N contained in the vector NVAL.
[in]NVAL
          NVAL is INTEGER array, dimension (NN)
          The values of the matrix dimension N.
[in]NRHS
          NRHS is INTEGER
          The number of right hand side vectors to be generated for
          each linear system.
[in]THRESH
          THRESH is DOUBLE PRECISION
          The threshold value for the test ratios.  A result is
          included in the output file if RESULT >= THRESH.  To have
          every test ratio printed, use THRESH = 0.
[in]TSTERR
          TSTERR is LOGICAL
          Flag that indicates whether error exits are to be tested.
[in]NMAX
          NMAX is INTEGER
          The maximum value permitted for N, used in dimensioning the
          work arrays.
[out]A
          A is DOUBLE PRECISION array, dimension (NMAX*NMAX)
[out]AFAC
          AFAC is DOUBLE PRECISION array, dimension (NMAX*NMAX)
[out]ASAV
          ASAV is DOUBLE PRECISION array, dimension (NMAX*NMAX)
[out]B
          B is DOUBLE PRECISION array, dimension (NMAX*NRHS)
[out]BSAV
          BSAV is DOUBLE PRECISION array, dimension (NMAX*NRHS)
[out]X
          X is DOUBLE PRECISION array, dimension (NMAX*NRHS)
[out]XACT
          XACT is DOUBLE PRECISION array, dimension (NMAX*NRHS)
[out]S
          S is DOUBLE PRECISION array, dimension (NMAX)
[out]WORK
          WORK is DOUBLE PRECISION array, dimension
                      (NMAX*max(3,NRHS))
[out]RWORK
          RWORK is DOUBLE PRECISION array, dimension (NMAX+2*NRHS)
[out]IWORK
          IWORK is INTEGER array, dimension (NMAX)
[in]NOUT
          NOUT is INTEGER
          The unit number for output.
Author
Univ. of Tennessee
Univ. of California Berkeley
Univ. of Colorado Denver
NAG Ltd.
Date
December 2016

Definition at line 166 of file ddrvpo.f.

166 *
167 * -- LAPACK test routine (version 3.7.0) --
168 * -- LAPACK is a software package provided by Univ. of Tennessee, --
169 * -- Univ. of California Berkeley, Univ. of Colorado Denver and NAG Ltd..--
170 * December 2016
171 *
172 * .. Scalar Arguments ..
173  LOGICAL tsterr
174  INTEGER nmax, nn, nout, nrhs
175  DOUBLE PRECISION thresh
176 * ..
177 * .. Array Arguments ..
178  LOGICAL dotype( * )
179  INTEGER iwork( * ), nval( * )
180  DOUBLE PRECISION a( * ), afac( * ), asav( * ), b( * ),
181  $ bsav( * ), rwork( * ), s( * ), work( * ),
182  $ x( * ), xact( * )
183 * ..
184 *
185 * =====================================================================
186 *
187 * .. Parameters ..
188  DOUBLE PRECISION one, zero
189  parameter( one = 1.0d+0, zero = 0.0d+0 )
190  INTEGER ntypes
191  parameter( ntypes = 9 )
192  INTEGER ntests
193  parameter( ntests = 6 )
194 * ..
195 * .. Local Scalars ..
196  LOGICAL equil, nofact, prefac, zerot
197  CHARACTER dist, equed, fact, TYPE, uplo, xtype
198  CHARACTER*3 path
199  INTEGER i, iequed, ifact, imat, in, info, ioff, iuplo,
200  $ izero, k, k1, kl, ku, lda, mode, n, nb, nbmin,
201  $ nerrs, nfact, nfail, nimat, nrun, nt
202  DOUBLE PRECISION ainvnm, amax, anorm, cndnum, rcond, rcondc,
203  $ roldc, scond
204 * ..
205 * .. Local Arrays ..
206  CHARACTER equeds( 2 ), facts( 3 ), uplos( 2 )
207  INTEGER iseed( 4 ), iseedy( 4 )
208  DOUBLE PRECISION result( ntests )
209 * ..
210 * .. External Functions ..
211  LOGICAL lsame
212  DOUBLE PRECISION dget06, dlansy
213  EXTERNAL lsame, dget06, dlansy
214 * ..
215 * .. External Subroutines ..
216  EXTERNAL aladhd, alaerh, alasvm, derrvx, dget04, dlacpy,
219  $ dpotri, xlaenv
220 * ..
221 * .. Intrinsic Functions ..
222  INTRINSIC max
223 * ..
224 * .. Scalars in Common ..
225  LOGICAL lerr, ok
226  CHARACTER*32 srnamt
227  INTEGER infot, nunit
228 * ..
229 * .. Common blocks ..
230  COMMON / infoc / infot, nunit, ok, lerr
231  COMMON / srnamc / srnamt
232 * ..
233 * .. Data statements ..
234  DATA iseedy / 1988, 1989, 1990, 1991 /
235  DATA uplos / 'U', 'L' /
236  DATA facts / 'F', 'N', 'E' /
237  DATA equeds / 'N', 'Y' /
238 * ..
239 * .. Executable Statements ..
240 *
241 * Initialize constants and the random number seed.
242 *
243  path( 1: 1 ) = 'Double precision'
244  path( 2: 3 ) = 'PO'
245  nrun = 0
246  nfail = 0
247  nerrs = 0
248  DO 10 i = 1, 4
249  iseed( i ) = iseedy( i )
250  10 CONTINUE
251 *
252 * Test the error exits
253 *
254  IF( tsterr )
255  $ CALL derrvx( path, nout )
256  infot = 0
257 *
258 * Set the block size and minimum block size for testing.
259 *
260  nb = 1
261  nbmin = 2
262  CALL xlaenv( 1, nb )
263  CALL xlaenv( 2, nbmin )
264 *
265 * Do for each value of N in NVAL
266 *
267  DO 130 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  DO 120 imat = 1, nimat
276 *
277 * Do the tests only if DOTYPE( IMAT ) is true.
278 *
279  IF( .NOT.dotype( imat ) )
280  $ GO TO 120
281 *
282 * Skip types 3, 4, or 5 if the matrix size is too small.
283 *
284  zerot = imat.GE.3 .AND. imat.LE.5
285  IF( zerot .AND. n.LT.imat-2 )
286  $ GO TO 120
287 *
288 * Do first for UPLO = 'U', then for UPLO = 'L'
289 *
290  DO 110 iuplo = 1, 2
291  uplo = uplos( iuplo )
292 *
293 * Set up parameters with DLATB4 and generate a test matrix
294 * with DLATMS.
295 *
296  CALL dlatb4( path, imat, n, n, TYPE, kl, ku, anorm, mode,
297  $ cndnum, dist )
298 *
299  srnamt = 'DLATMS'
300  CALL dlatms( n, n, dist, iseed, TYPE, rwork, mode,
301  $ cndnum, anorm, kl, ku, uplo, a, lda, work,
302  $ info )
303 *
304 * Check error code from DLATMS.
305 *
306  IF( info.NE.0 ) THEN
307  CALL alaerh( path, 'DLATMS', info, 0, uplo, n, n, -1,
308  $ -1, -1, imat, nfail, nerrs, nout )
309  GO TO 110
310  END IF
311 *
312 * For types 3-5, zero one row and column of the matrix to
313 * test that INFO is returned correctly.
314 *
315  IF( zerot ) THEN
316  IF( imat.EQ.3 ) THEN
317  izero = 1
318  ELSE IF( imat.EQ.4 ) THEN
319  izero = n
320  ELSE
321  izero = n / 2 + 1
322  END IF
323  ioff = ( izero-1 )*lda
324 *
325 * Set row and column IZERO of A to 0.
326 *
327  IF( iuplo.EQ.1 ) THEN
328  DO 20 i = 1, izero - 1
329  a( ioff+i ) = zero
330  20 CONTINUE
331  ioff = ioff + izero
332  DO 30 i = izero, n
333  a( ioff ) = zero
334  ioff = ioff + lda
335  30 CONTINUE
336  ELSE
337  ioff = izero
338  DO 40 i = 1, izero - 1
339  a( ioff ) = zero
340  ioff = ioff + lda
341  40 CONTINUE
342  ioff = ioff - izero
343  DO 50 i = izero, n
344  a( ioff+i ) = zero
345  50 CONTINUE
346  END IF
347  ELSE
348  izero = 0
349  END IF
350 *
351 * Save a copy of the matrix A in ASAV.
352 *
353  CALL dlacpy( uplo, n, n, a, lda, asav, lda )
354 *
355  DO 100 iequed = 1, 2
356  equed = equeds( iequed )
357  IF( iequed.EQ.1 ) THEN
358  nfact = 3
359  ELSE
360  nfact = 1
361  END IF
362 *
363  DO 90 ifact = 1, nfact
364  fact = facts( ifact )
365  prefac = lsame( fact, 'F' )
366  nofact = lsame( fact, 'N' )
367  equil = lsame( fact, 'E' )
368 *
369  IF( zerot ) THEN
370  IF( prefac )
371  $ GO TO 90
372  rcondc = zero
373 *
374  ELSE IF( .NOT.lsame( fact, 'N' ) ) THEN
375 *
376 * Compute the condition number for comparison with
377 * the value returned by DPOSVX (FACT = 'N' reuses
378 * the condition number from the previous iteration
379 * with FACT = 'F').
380 *
381  CALL dlacpy( uplo, n, n, asav, lda, afac, lda )
382  IF( equil .OR. iequed.GT.1 ) THEN
383 *
384 * Compute row and column scale factors to
385 * equilibrate the matrix A.
386 *
387  CALL dpoequ( n, afac, lda, s, scond, amax,
388  $ info )
389  IF( info.EQ.0 .AND. n.GT.0 ) THEN
390  IF( iequed.GT.1 )
391  $ scond = zero
392 *
393 * Equilibrate the matrix.
394 *
395  CALL dlaqsy( uplo, n, afac, lda, s, scond,
396  $ amax, equed )
397  END IF
398  END IF
399 *
400 * Save the condition number of the
401 * non-equilibrated system for use in DGET04.
402 *
403  IF( equil )
404  $ roldc = rcondc
405 *
406 * Compute the 1-norm of A.
407 *
408  anorm = dlansy( '1', uplo, n, afac, lda, rwork )
409 *
410 * Factor the matrix A.
411 *
412  CALL dpotrf( uplo, n, afac, lda, info )
413 *
414 * Form the inverse of A.
415 *
416  CALL dlacpy( uplo, n, n, afac, lda, a, lda )
417  CALL dpotri( uplo, n, a, lda, info )
418 *
419 * Compute the 1-norm condition number of A.
420 *
421  ainvnm = dlansy( '1', uplo, n, a, lda, rwork )
422  IF( anorm.LE.zero .OR. ainvnm.LE.zero ) THEN
423  rcondc = one
424  ELSE
425  rcondc = ( one / anorm ) / ainvnm
426  END IF
427  END IF
428 *
429 * Restore the matrix A.
430 *
431  CALL dlacpy( uplo, n, n, asav, lda, a, lda )
432 *
433 * Form an exact solution and set the right hand side.
434 *
435  srnamt = 'DLARHS'
436  CALL dlarhs( path, xtype, uplo, ' ', n, n, kl, ku,
437  $ nrhs, a, lda, xact, lda, b, lda,
438  $ iseed, info )
439  xtype = 'C'
440  CALL dlacpy( 'Full', n, nrhs, b, lda, bsav, lda )
441 *
442  IF( nofact ) THEN
443 *
444 * --- Test DPOSV ---
445 *
446 * Compute the L*L' or U'*U factorization of the
447 * matrix and solve the system.
448 *
449  CALL dlacpy( uplo, n, n, a, lda, afac, lda )
450  CALL dlacpy( 'Full', n, nrhs, b, lda, x, lda )
451 *
452  srnamt = 'DPOSV '
453  CALL dposv( uplo, n, nrhs, afac, lda, x, lda,
454  $ info )
455 *
456 * Check error code from DPOSV .
457 *
458  IF( info.NE.izero ) THEN
459  CALL alaerh( path, 'DPOSV ', info, izero,
460  $ uplo, n, n, -1, -1, nrhs, imat,
461  $ nfail, nerrs, nout )
462  GO TO 70
463  ELSE IF( info.NE.0 ) THEN
464  GO TO 70
465  END IF
466 *
467 * Reconstruct matrix from factors and compute
468 * residual.
469 *
470  CALL dpot01( uplo, n, a, lda, afac, lda, rwork,
471  $ result( 1 ) )
472 *
473 * Compute residual of the computed solution.
474 *
475  CALL dlacpy( 'Full', n, nrhs, b, lda, work,
476  $ lda )
477  CALL dpot02( uplo, n, nrhs, a, lda, x, lda,
478  $ work, lda, rwork, result( 2 ) )
479 *
480 * Check solution from generated exact solution.
481 *
482  CALL dget04( n, nrhs, x, lda, xact, lda, rcondc,
483  $ result( 3 ) )
484  nt = 3
485 *
486 * Print information about the tests that did not
487 * pass the threshold.
488 *
489  DO 60 k = 1, nt
490  IF( result( k ).GE.thresh ) THEN
491  IF( nfail.EQ.0 .AND. nerrs.EQ.0 )
492  $ CALL aladhd( nout, path )
493  WRITE( nout, fmt = 9999 )'DPOSV ', uplo,
494  $ n, imat, k, result( k )
495  nfail = nfail + 1
496  END IF
497  60 CONTINUE
498  nrun = nrun + nt
499  70 CONTINUE
500  END IF
501 *
502 * --- Test DPOSVX ---
503 *
504  IF( .NOT.prefac )
505  $ CALL dlaset( uplo, n, n, zero, zero, afac, lda )
506  CALL dlaset( 'Full', n, nrhs, zero, zero, x, lda )
507  IF( iequed.GT.1 .AND. n.GT.0 ) THEN
508 *
509 * Equilibrate the matrix if FACT='F' and
510 * EQUED='Y'.
511 *
512  CALL dlaqsy( uplo, n, a, lda, s, scond, amax,
513  $ equed )
514  END IF
515 *
516 * Solve the system and compute the condition number
517 * and error bounds using DPOSVX.
518 *
519  srnamt = 'DPOSVX'
520  CALL dposvx( fact, uplo, n, nrhs, a, lda, afac,
521  $ lda, equed, s, b, lda, x, lda, rcond,
522  $ rwork, rwork( nrhs+1 ), work, iwork,
523  $ info )
524 *
525 * Check the error code from DPOSVX.
526 *
527  IF( info.NE.izero ) THEN
528  CALL alaerh( path, 'DPOSVX', info, izero,
529  $ fact // uplo, n, n, -1, -1, nrhs,
530  $ imat, nfail, nerrs, nout )
531  GO TO 90
532  END IF
533 *
534  IF( info.EQ.0 ) THEN
535  IF( .NOT.prefac ) THEN
536 *
537 * Reconstruct matrix from factors and compute
538 * residual.
539 *
540  CALL dpot01( uplo, n, a, lda, afac, lda,
541  $ rwork( 2*nrhs+1 ), result( 1 ) )
542  k1 = 1
543  ELSE
544  k1 = 2
545  END IF
546 *
547 * Compute residual of the computed solution.
548 *
549  CALL dlacpy( 'Full', n, nrhs, bsav, lda, work,
550  $ lda )
551  CALL dpot02( uplo, n, nrhs, asav, lda, x, lda,
552  $ work, lda, rwork( 2*nrhs+1 ),
553  $ result( 2 ) )
554 *
555 * Check solution from generated exact solution.
556 *
557  IF( nofact .OR. ( prefac .AND. lsame( equed,
558  $ 'N' ) ) ) THEN
559  CALL dget04( n, nrhs, x, lda, xact, lda,
560  $ rcondc, result( 3 ) )
561  ELSE
562  CALL dget04( n, nrhs, x, lda, xact, lda,
563  $ roldc, result( 3 ) )
564  END IF
565 *
566 * Check the error bounds from iterative
567 * refinement.
568 *
569  CALL dpot05( uplo, n, nrhs, asav, lda, b, lda,
570  $ x, lda, xact, lda, rwork,
571  $ rwork( nrhs+1 ), result( 4 ) )
572  ELSE
573  k1 = 6
574  END IF
575 *
576 * Compare RCOND from DPOSVX with the computed value
577 * in RCONDC.
578 *
579  result( 6 ) = dget06( rcond, rcondc )
580 *
581 * Print information about the tests that did not pass
582 * the threshold.
583 *
584  DO 80 k = k1, 6
585  IF( result( k ).GE.thresh ) THEN
586  IF( nfail.EQ.0 .AND. nerrs.EQ.0 )
587  $ CALL aladhd( nout, path )
588  IF( prefac ) THEN
589  WRITE( nout, fmt = 9997 )'DPOSVX', fact,
590  $ uplo, n, equed, imat, k, result( k )
591  ELSE
592  WRITE( nout, fmt = 9998 )'DPOSVX', fact,
593  $ uplo, n, imat, k, result( k )
594  END IF
595  nfail = nfail + 1
596  END IF
597  80 CONTINUE
598  nrun = nrun + 7 - k1
599  90 CONTINUE
600  100 CONTINUE
601  110 CONTINUE
602  120 CONTINUE
603  130 CONTINUE
604 *
605 * Print a summary of the results.
606 *
607  CALL alasvm( path, nout, nfail, nrun, nerrs )
608 *
609  9999 FORMAT( 1x, a, ', UPLO=''', a1, ''', N =', i5, ', type ', i1,
610  $ ', test(', i1, ')=', g12.5 )
611  9998 FORMAT( 1x, a, ', FACT=''', a1, ''', UPLO=''', a1, ''', N=', i5,
612  $ ', type ', i1, ', test(', i1, ')=', g12.5 )
613  9997 FORMAT( 1x, a, ', FACT=''', a1, ''', UPLO=''', a1, ''', N=', i5,
614  $ ', EQUED=''', a1, ''', type ', i1, ', test(', i1, ') =',
615  $ g12.5 )
616  RETURN
617 *
618 * End of DDRVPO
619 *
subroutine dlacpy(UPLO, M, N, A, LDA, B, LDB)
DLACPY copies all or part of one two-dimensional array to another.
Definition: dlacpy.f:105
subroutine dlatb4(PATH, IMAT, M, N, TYPE, KL, KU, ANORM, MODE, CNDNUM, DIST)
DLATB4
Definition: dlatb4.f:122
subroutine alasvm(TYPE, NOUT, NFAIL, NRUN, NERRS)
ALASVM
Definition: alasvm.f:75
double precision function dlansy(NORM, UPLO, N, A, LDA, WORK)
DLANSY returns the value of the 1-norm, or the Frobenius norm, or the infinity norm, or the element of largest absolute value of a real symmetric matrix.
Definition: dlansy.f:124
subroutine dpotrf(UPLO, N, A, LDA, INFO)
DPOTRF
Definition: dpotrf.f:109
subroutine alaerh(PATH, SUBNAM, INFO, INFOE, OPTS, M, N, KL, KU, N5, IMAT, NFAIL, NERRS, NOUT)
ALAERH
Definition: alaerh.f:149
subroutine dlarhs(PATH, XTYPE, UPLO, TRANS, M, N, KL, KU, NRHS, A, LDA, X, LDX, B, LDB, ISEED, INFO)
DLARHS
Definition: dlarhs.f:206
subroutine dposvx(FACT, UPLO, N, NRHS, A, LDA, AF, LDAF, EQUED, S, B, LDB, X, LDX, RCOND, FERR, BERR, WORK, IWORK, INFO)
DPOSVX computes the solution to system of linear equations A * X = B for PO matrices ...
Definition: dposvx.f:309
subroutine dlatms(M, N, DIST, ISEED, SYM, D, MODE, COND, DMAX, KL, KU, PACK, A, LDA, WORK, INFO)
DLATMS
Definition: dlatms.f:323
subroutine dpot05(UPLO, N, NRHS, A, LDA, B, LDB, X, LDX, XACT, LDXACT, FERR, BERR, RESLTS)
DPOT05
Definition: dpot05.f:166
subroutine dlaset(UPLO, M, N, ALPHA, BETA, A, LDA)
DLASET initializes the off-diagonal elements and the diagonal elements of a matrix to given values...
Definition: dlaset.f:112
subroutine dposv(UPLO, N, NRHS, A, LDA, B, LDB, INFO)
DPOSV computes the solution to system of linear equations A * X = B for PO matrices ...
Definition: dposv.f:132
subroutine xlaenv(ISPEC, NVALUE)
XLAENV
Definition: xlaenv.f:83
subroutine dlaqsy(UPLO, N, A, LDA, S, SCOND, AMAX, EQUED)
DLAQSY scales a symmetric/Hermitian matrix, using scaling factors computed by spoequ.
Definition: dlaqsy.f:135
subroutine dget04(N, NRHS, X, LDX, XACT, LDXACT, RCOND, RESID)
DGET04
Definition: dget04.f:104
subroutine aladhd(IOUNIT, PATH)
ALADHD
Definition: aladhd.f:92
logical function lsame(CA, CB)
LSAME
Definition: lsame.f:55
subroutine derrvx(PATH, NUNIT)
DERRVX
Definition: derrvx.f:57
double precision function dget06(RCOND, RCONDC)
DGET06
Definition: dget06.f:57
subroutine dpot01(UPLO, N, A, LDA, AFAC, LDAFAC, RWORK, RESID)
DPOT01
Definition: dpot01.f:106
subroutine dpot02(UPLO, N, NRHS, A, LDA, X, LDX, B, LDB, RWORK, RESID)
DPOT02
Definition: dpot02.f:129
subroutine dpoequ(N, A, LDA, S, SCOND, AMAX, INFO)
DPOEQU
Definition: dpoequ.f:114
subroutine dpotri(UPLO, N, A, LDA, INFO)
DPOTRI
Definition: dpotri.f:97
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