152 SUBROUTINE zdrvhe( DOTYPE, NN, NVAL, NRHS, THRESH, TSTERR, NMAX,
153 $ a, afac, ainv, b, x, xact, work, rwork, iwork,
163 INTEGER NMAX, NN, NOUT, NRHS
164 DOUBLE PRECISION THRESH
168 INTEGER IWORK( * ), NVAL( * )
169 DOUBLE PRECISION RWORK( * )
170 COMPLEX*16 A( * ), AFAC( * ), AINV( * ), B( * ),
171 $ work( * ), x( * ), xact( * )
177 DOUBLE PRECISION ONE, ZERO
178 parameter ( one = 1.0d+0, zero = 0.0d+0 )
179 INTEGER NTYPES, NTESTS
180 parameter ( ntypes = 10, ntests = 6 )
182 parameter ( nfact = 2 )
186 CHARACTER DIST, FACT,
TYPE, UPLO, XTYPE
188 INTEGER I, I1, I2, IFACT, IMAT, IN, INFO, IOFF, IUPLO,
189 $ izero, j, k, k1, kl, ku, lda, lwork, mode, n,
190 $ nb, nbmin, nerrs, nfail, nimat, nrun, nt
191 DOUBLE PRECISION AINVNM, ANORM, CNDNUM, RCOND, RCONDC
194 CHARACTER FACTS( nfact ), UPLOS( 2 )
195 INTEGER ISEED( 4 ), ISEEDY( 4 )
196 DOUBLE PRECISION RESULT( ntests )
199 DOUBLE PRECISION DGET06, ZLANHE
200 EXTERNAL dget06, zlanhe
214 COMMON / infoc / infot, nunit, ok, lerr
215 COMMON / srnamc / srnamt
218 INTRINSIC dcmplx, max, min
221 DATA iseedy / 1988, 1989, 1990, 1991 /
222 DATA uplos /
'U',
'L' / , facts /
'F',
'N' /
228 path( 1: 1 ) =
'Zomplex precision'
234 iseed( i ) = iseedy( i )
236 lwork = max( 2*nmax, nmax*nrhs )
241 $
CALL zerrvx( path, nout )
261 DO 170 imat = 1, nimat
265 IF( .NOT.dotype( imat ) )
270 zerot = imat.GE.3 .AND. imat.LE.6
271 IF( zerot .AND. n.LT.imat-2 )
277 uplo = uplos( iuplo )
282 CALL zlatb4( path, imat, n, n,
TYPE, KL, KU, ANORM, MODE,
286 CALL zlatms( n, n, dist, iseed,
TYPE, RWORK, MODE,
287 $ cndnum, anorm, kl, ku, uplo, a, lda, work,
293 CALL alaerh( path,
'ZLATMS', info, 0, uplo, n, n, -1,
294 $ -1, -1, imat, nfail, nerrs, nout )
304 ELSE IF( imat.EQ.4 )
THEN
314 IF( iuplo.EQ.1 )
THEN
315 ioff = ( izero-1 )*lda
316 DO 20 i = 1, izero - 1
326 DO 40 i = 1, izero - 1
337 IF( iuplo.EQ.1 )
THEN
367 CALL zlaipd( n, a, lda+1, 0 )
369 DO 150 ifact = 1, nfact
373 fact = facts( ifact )
383 ELSE IF( ifact.EQ.1 )
THEN
387 anorm = zlanhe(
'1', uplo, n, a, lda, rwork )
391 CALL zlacpy( uplo, n, n, a, lda, afac, lda )
392 CALL zhetrf( uplo, n, afac, lda, iwork, work,
397 CALL zlacpy( uplo, n, n, afac, lda, ainv, lda )
398 lwork = (n+nb+1)*(nb+3)
399 CALL zhetri2( uplo, n, ainv, lda, iwork, work,
401 ainvnm = zlanhe(
'1', uplo, n, ainv, lda, rwork )
405 IF( anorm.LE.zero .OR. ainvnm.LE.zero )
THEN
408 rcondc = ( one / anorm ) / ainvnm
415 CALL zlarhs( path, xtype, uplo,
' ', n, n, kl, ku,
416 $ nrhs, a, lda, xact, lda, b, lda, iseed,
422 IF( ifact.EQ.2 )
THEN
423 CALL zlacpy( uplo, n, n, a, lda, afac, lda )
424 CALL zlacpy(
'Full', n, nrhs, b, lda, x, lda )
429 CALL zhesv( uplo, n, nrhs, afac, lda, iwork, x,
430 $ lda, work, lwork, info )
438 IF( iwork( k ).LT.0 )
THEN
439 IF( iwork( k ).NE.-k )
THEN
443 ELSE IF( iwork( k ).NE.k )
THEN
452 CALL alaerh( path,
'ZHESV ', info, k, uplo, n,
453 $ n, -1, -1, nrhs, imat, nfail,
456 ELSE IF( info.NE.0 )
THEN
463 CALL zhet01( uplo, n, a, lda, afac, lda, iwork,
464 $ ainv, lda, rwork, result( 1 ) )
468 CALL zlacpy(
'Full', n, nrhs, b, lda, work, lda )
469 CALL zpot02( uplo, n, nrhs, a, lda, x, lda, work,
470 $ lda, rwork, result( 2 ) )
474 CALL zget04( n, nrhs, x, lda, xact, lda, rcondc,
482 IF( result( k ).GE.thresh )
THEN
483 IF( nfail.EQ.0 .AND. nerrs.EQ.0 )
484 $
CALL aladhd( nout, path )
485 WRITE( nout, fmt = 9999 )
'ZHESV ', uplo, n,
486 $ imat, k, result( k )
497 $
CALL zlaset( uplo, n, n, dcmplx( zero ),
498 $ dcmplx( zero ), afac, lda )
499 CALL zlaset(
'Full', n, nrhs, dcmplx( zero ),
500 $ dcmplx( zero ), x, lda )
506 CALL zhesvx( fact, uplo, n, nrhs, a, lda, afac, lda,
507 $ iwork, b, lda, x, lda, rcond, rwork,
508 $ rwork( nrhs+1 ), work, lwork,
509 $ rwork( 2*nrhs+1 ), info )
517 IF( iwork( k ).LT.0 )
THEN
518 IF( iwork( k ).NE.-k )
THEN
522 ELSE IF( iwork( k ).NE.k )
THEN
531 CALL alaerh( path,
'ZHESVX', info, k, fact // uplo,
532 $ n, n, -1, -1, nrhs, imat, nfail,
538 IF( ifact.GE.2 )
THEN
543 CALL zhet01( uplo, n, a, lda, afac, lda, iwork,
544 $ ainv, lda, rwork( 2*nrhs+1 ),
553 CALL zlacpy(
'Full', n, nrhs, b, lda, work, lda )
554 CALL zpot02( uplo, n, nrhs, a, lda, x, lda, work,
555 $ lda, rwork( 2*nrhs+1 ), result( 2 ) )
559 CALL zget04( n, nrhs, x, lda, xact, lda, rcondc,
564 CALL zpot05( uplo, n, nrhs, a, lda, b, lda, x, lda,
565 $ xact, lda, rwork, rwork( nrhs+1 ),
574 result( 6 ) = dget06( rcond, rcondc )
580 IF( result( k ).GE.thresh )
THEN
581 IF( nfail.EQ.0 .AND. nerrs.EQ.0 )
582 $
CALL aladhd( nout, path )
583 WRITE( nout, fmt = 9998 )
'ZHESVX', fact, uplo,
584 $ n, imat, k, result( k )
598 CALL alasvm( path, nout, nfail, nrun, nerrs )
600 9999
FORMAT( 1x, a,
', UPLO=''', a1,
''', N =', i5,
', type ', i2,
601 $
', test ', i2,
', ratio =', g12.5 )
602 9998
FORMAT( 1x, a,
', FACT=''', a1,
''', UPLO=''', a1,
''', N =', i5,
603 $
', type ', i2,
', test ', i2,
', ratio =', g12.5 )
subroutine alasvm(TYPE, NOUT, NFAIL, NRUN, NERRS)
ALASVM
subroutine zhetri2(UPLO, N, A, LDA, IPIV, WORK, LWORK, INFO)
ZHETRI2
subroutine alaerh(PATH, SUBNAM, INFO, INFOE, OPTS, M, N, KL, KU, N5, IMAT, NFAIL, NERRS, NOUT)
ALAERH
subroutine zget04(N, NRHS, X, LDX, XACT, LDXACT, RCOND, RESID)
ZGET04
subroutine zpot02(UPLO, N, NRHS, A, LDA, X, LDX, B, LDB, RWORK, RESID)
ZPOT02
subroutine zlarhs(PATH, XTYPE, UPLO, TRANS, M, N, KL, KU, NRHS, A, LDA, X, LDX, B, LDB, ISEED, INFO)
ZLARHS
subroutine zlacpy(UPLO, M, N, A, LDA, B, LDB)
ZLACPY copies all or part of one two-dimensional array to another.
subroutine zhet01(UPLO, N, A, LDA, AFAC, LDAFAC, IPIV, C, LDC, RWORK, RESID)
ZHET01
subroutine zhesvx(FACT, UPLO, N, NRHS, A, LDA, AF, LDAF, IPIV, B, LDB, X, LDX, RCOND, FERR, BERR, WORK, LWORK, RWORK, INFO)
ZHESVX computes the solution to system of linear equations A * X = B for HE matrices ...
subroutine xlaenv(ISPEC, NVALUE)
XLAENV
subroutine zlatb4(PATH, IMAT, M, N, TYPE, KL, KU, ANORM, MODE, CNDNUM, DIST)
ZLATB4
subroutine zlaipd(N, A, INDA, VINDA)
ZLAIPD
subroutine aladhd(IOUNIT, PATH)
ALADHD
subroutine zlaset(UPLO, M, N, ALPHA, BETA, A, LDA)
ZLASET initializes the off-diagonal elements and the diagonal elements of a matrix to given values...
subroutine zhetrf(UPLO, N, A, LDA, IPIV, WORK, LWORK, INFO)
ZHETRF
subroutine zerrvx(PATH, NUNIT)
ZERRVX
subroutine zdrvhe(DOTYPE, NN, NVAL, NRHS, THRESH, TSTERR, NMAX, A, AFAC, AINV, B, X, XACT, WORK, RWORK, IWORK, NOUT)
ZDRVHE
subroutine zlatms(M, N, DIST, ISEED, SYM, D, MODE, COND, DMAX, KL, KU, PACK, A, LDA, WORK, INFO)
ZLATMS
subroutine zpot05(UPLO, N, NRHS, A, LDA, B, LDB, X, LDX, XACT, LDXACT, FERR, BERR, RESLTS)
ZPOT05
subroutine zhesv(UPLO, N, NRHS, A, LDA, IPIV, B, LDB, WORK, LWORK, INFO)
ZHESV computes the solution to system of linear equations A * X = B for HE matrices ...