152 SUBROUTINE cdrvhe( DOTYPE, NN, NVAL, NRHS, THRESH, TSTERR, NMAX,
153 $ a, afac, ainv, b, x, xact, work, rwork, iwork,
163 INTEGER NMAX, NN, NOUT, NRHS
168 INTEGER IWORK( * ), NVAL( * )
170 COMPLEX A( * ), AFAC( * ), AINV( * ), B( * ),
171 $ work( * ), x( * ), xact( * )
178 parameter ( one = 1.0e+0, zero = 0.0e+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 REAL AINVNM, ANORM, CNDNUM, RCOND, RCONDC
194 CHARACTER FACTS( nfact ), UPLOS( 2 )
195 INTEGER ISEED( 4 ), ISEEDY( 4 )
196 REAL RESULT( ntests )
200 EXTERNAL clanhe, sget06
214 COMMON / infoc / infot, nunit, ok, lerr
215 COMMON / srnamc / srnamt
218 INTRINSIC cmplx, max, min
221 DATA iseedy / 1988, 1989, 1990, 1991 /
222 DATA uplos /
'U',
'L' / , facts /
'F',
'N' /
228 path( 1: 1 ) =
'Complex precision'
234 iseed( i ) = iseedy( i )
236 lwork = max( 2*nmax, nmax*nrhs )
241 $
CALL cerrvx( 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 clatb4( path, imat, n, n,
TYPE, KL, KU, ANORM, MODE,
286 CALL clatms( n, n, dist, iseed,
TYPE, RWORK, MODE,
287 $ cndnum, anorm, kl, ku, uplo, a, lda, work,
293 CALL alaerh( path,
'CLATMS', 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 claipd( n, a, lda+1, 0 )
369 DO 150 ifact = 1, nfact
373 fact = facts( ifact )
383 ELSE IF( ifact.EQ.1 )
THEN
387 anorm = clanhe(
'1', uplo, n, a, lda, rwork )
391 CALL clacpy( uplo, n, n, a, lda, afac, lda )
392 CALL chetrf( uplo, n, afac, lda, iwork, work,
397 CALL clacpy( uplo, n, n, afac, lda, ainv, lda )
398 lwork = (n+nb+1)*(nb+3)
399 CALL chetri2( uplo, n, ainv, lda, iwork, work,
401 ainvnm = clanhe(
'1', uplo, n, ainv, lda, rwork )
405 IF( anorm.LE.zero .OR. ainvnm.LE.zero )
THEN
408 rcondc = ( one / anorm ) / ainvnm
415 CALL clarhs( path, xtype, uplo,
' ', n, n, kl, ku,
416 $ nrhs, a, lda, xact, lda, b, lda, iseed,
422 IF( ifact.EQ.2 )
THEN
423 CALL clacpy( uplo, n, n, a, lda, afac, lda )
424 CALL clacpy(
'Full', n, nrhs, b, lda, x, lda )
429 CALL chesv( 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,
'CHESV ', info, k, uplo, n,
453 $ n, -1, -1, nrhs, imat, nfail,
456 ELSE IF( info.NE.0 )
THEN
463 CALL chet01( uplo, n, a, lda, afac, lda, iwork,
464 $ ainv, lda, rwork, result( 1 ) )
468 CALL clacpy(
'Full', n, nrhs, b, lda, work, lda )
469 CALL cpot02( uplo, n, nrhs, a, lda, x, lda, work,
470 $ lda, rwork, result( 2 ) )
474 CALL cget04( 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 )
'CHESV ', uplo, n,
486 $ imat, k, result( k )
497 $
CALL claset( uplo, n, n, cmplx( zero ),
498 $ cmplx( zero ), afac, lda )
499 CALL claset(
'Full', n, nrhs, cmplx( zero ),
500 $ cmplx( zero ), x, lda )
506 CALL chesvx( 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,
'CHESVX', info, k, fact // uplo,
532 $ n, n, -1, -1, nrhs, imat, nfail,
538 IF( ifact.GE.2 )
THEN
543 CALL chet01( uplo, n, a, lda, afac, lda, iwork,
544 $ ainv, lda, rwork( 2*nrhs+1 ),
553 CALL clacpy(
'Full', n, nrhs, b, lda, work, lda )
554 CALL cpot02( uplo, n, nrhs, a, lda, x, lda, work,
555 $ lda, rwork( 2*nrhs+1 ), result( 2 ) )
559 CALL cget04( n, nrhs, x, lda, xact, lda, rcondc,
564 CALL cpot05( uplo, n, nrhs, a, lda, b, lda, x, lda,
565 $ xact, lda, rwork, rwork( nrhs+1 ),
574 result( 6 ) = sget06( 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 )
'CHESVX', 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 alaerh(PATH, SUBNAM, INFO, INFOE, OPTS, M, N, KL, KU, N5, IMAT, NFAIL, NERRS, NOUT)
ALAERH
subroutine clarhs(PATH, XTYPE, UPLO, TRANS, M, N, KL, KU, NRHS, A, LDA, X, LDX, B, LDB, ISEED, INFO)
CLARHS
subroutine claipd(N, A, INDA, VINDA)
CLAIPD
subroutine chetri2(UPLO, N, A, LDA, IPIV, WORK, LWORK, INFO)
CHETRI2
subroutine claset(UPLO, M, N, ALPHA, BETA, A, LDA)
CLASET initializes the off-diagonal elements and the diagonal elements of a matrix to given values...
subroutine cdrvhe(DOTYPE, NN, NVAL, NRHS, THRESH, TSTERR, NMAX, A, AFAC, AINV, B, X, XACT, WORK, RWORK, IWORK, NOUT)
CDRVHE
subroutine cerrvx(PATH, NUNIT)
CERRVX
subroutine chesv(UPLO, N, NRHS, A, LDA, IPIV, B, LDB, WORK, LWORK, INFO)
CHESV computes the solution to system of linear equations A * X = B for HE matrices ...
subroutine xlaenv(ISPEC, NVALUE)
XLAENV
subroutine cpot02(UPLO, N, NRHS, A, LDA, X, LDX, B, LDB, RWORK, RESID)
CPOT02
subroutine chesvx(FACT, UPLO, N, NRHS, A, LDA, AF, LDAF, IPIV, B, LDB, X, LDX, RCOND, FERR, BERR, WORK, LWORK, RWORK, INFO)
CHESVX computes the solution to system of linear equations A * X = B for HE matrices ...
subroutine clatms(M, N, DIST, ISEED, SYM, D, MODE, COND, DMAX, KL, KU, PACK, A, LDA, WORK, INFO)
CLATMS
subroutine aladhd(IOUNIT, PATH)
ALADHD
subroutine clacpy(UPLO, M, N, A, LDA, B, LDB)
CLACPY copies all or part of one two-dimensional array to another.
subroutine chet01(UPLO, N, A, LDA, AFAC, LDAFAC, IPIV, C, LDC, RWORK, RESID)
CHET01
subroutine cpot05(UPLO, N, NRHS, A, LDA, B, LDB, X, LDX, XACT, LDXACT, FERR, BERR, RESLTS)
CPOT05
subroutine clatb4(PATH, IMAT, M, N, TYPE, KL, KU, ANORM, MODE, CNDNUM, DIST)
CLATB4
subroutine chetrf(UPLO, N, A, LDA, IPIV, WORK, LWORK, INFO)
CHETRF
subroutine cget04(N, NRHS, X, LDX, XACT, LDXACT, RCOND, RESID)
CGET04