195 SUBROUTINE zchklq( DOTYPE, NM, MVAL, NN, NVAL, NNB, NBVAL, NXVAL,
196 $ nrhs, thresh, tsterr, nmax, a, af, aq, al, ac,
197 $ b, x, xact, tau, work, rwork, nout )
206 INTEGER NM, NMAX, NN, NNB, NOUT, NRHS
207 DOUBLE PRECISION THRESH
211 INTEGER MVAL( * ), NBVAL( * ), NVAL( * ),
213 DOUBLE PRECISION RWORK( * )
214 COMPLEX*16 A( * ), AC( * ), AF( * ), AL( * ), AQ( * ),
215 $ b( * ), tau( * ), work( * ), x( * ), xact( * )
222 parameter ( ntests = 7 )
224 parameter ( ntypes = 8 )
225 DOUBLE PRECISION ZERO
226 parameter ( zero = 0.0d0 )
231 INTEGER I, IK, IM, IMAT, IN, INB, INFO, K, KL, KU, LDA,
232 $ lwork, m, minmn, mode, n, nb, nerrs, nfail, nk,
234 DOUBLE PRECISION ANORM, CNDNUM
237 INTEGER ISEED( 4 ), ISEEDY( 4 ), KVAL( 4 )
238 DOUBLE PRECISION RESULT( ntests )
254 COMMON / infoc / infot, nunit, ok, lerr
255 COMMON / srnamc / srnamt
258 DATA iseedy / 1988, 1989, 1990, 1991 /
264 path( 1: 1 ) =
'Zomplex precision'
270 iseed( i ) = iseedy( i )
276 $
CALL zerrlq( path, nout )
281 lwork = nmax*max( nmax, nrhs )
293 DO 50 imat = 1, ntypes
297 IF( .NOT.dotype( imat ) )
303 CALL zlatb4( path, imat, m, n,
TYPE, KL, KU, ANORM, MODE,
307 CALL zlatms( m, n, dist, iseed,
TYPE, RWORK, MODE,
308 $ cndnum, anorm, kl, ku,
'No packing', a, lda,
314 CALL alaerh( path,
'ZLATMS', info, 0,
' ', m, n, -1,
315 $ -1, -1, imat, nfail, nerrs, nout )
326 kval( 4 ) = minmn / 2
327 IF( minmn.EQ.0 )
THEN
329 ELSE IF( minmn.EQ.1 )
THEN
331 ELSE IF( minmn.LE.3 )
THEN
357 CALL zlqt01( m, n, a, af, aq, al, lda, tau,
358 $ work, lwork, rwork, result( 1 ) )
359 ELSE IF( m.LE.n )
THEN
364 CALL zlqt02( m, n, k, a, af, aq, al, lda, tau,
365 $ work, lwork, rwork, result( 1 ) )
372 CALL zlqt03( m, n, k, af, ac, al, aq, lda, tau,
373 $ work, lwork, rwork, result( 3 ) )
380 IF( k.EQ.m .AND. inb.EQ.1 )
THEN
386 CALL zlarhs( path,
'New',
'Full',
387 $
'No transpose', m, n, 0, 0,
388 $ nrhs, a, lda, xact, lda, b, lda,
391 CALL zlacpy(
'Full', m, nrhs, b, lda, x,
394 CALL zgelqs( m, n, nrhs, af, lda, tau, x,
395 $ lda, work, lwork, info )
400 $
CALL alaerh( path,
'ZGELQS', info, 0,
' ',
401 $ m, n, nrhs, -1, nb, imat,
402 $ nfail, nerrs, nout )
404 CALL zget02(
'No transpose', m, n, nrhs, a,
405 $ lda, x, lda, b, lda, rwork,
415 IF( result( i ).GE.thresh )
THEN
416 IF( nfail.EQ.0 .AND. nerrs.EQ.0 )
417 $
CALL alahd( nout, path )
418 WRITE( nout, fmt = 9999 )m, n, k, nb, nx,
419 $ imat, i, result( i )
432 CALL alasum( path, nout, nfail, nrun, nerrs )
434 9999
FORMAT(
' M=', i5,
', N=', i5,
', K=', i5,
', NB=', i4,
', NX=',
435 $ i5,
', type ', i2,
', test(', i2,
')=', g12.5 )
subroutine alahd(IOUNIT, PATH)
ALAHD
subroutine alaerh(PATH, SUBNAM, INFO, INFOE, OPTS, M, N, KL, KU, N5, IMAT, NFAIL, NERRS, NOUT)
ALAERH
subroutine zlqt02(M, N, K, A, AF, Q, L, LDA, TAU, WORK, LWORK, RWORK, RESULT)
ZLQT02
subroutine zlqt03(M, N, K, AF, C, CC, Q, LDA, TAU, WORK, LWORK, RWORK, RESULT)
ZLQT03
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 zgelqs(M, N, NRHS, A, LDA, TAU, B, LDB, WORK, LWORK, INFO)
ZGELQS
subroutine xlaenv(ISPEC, NVALUE)
XLAENV
subroutine zlatb4(PATH, IMAT, M, N, TYPE, KL, KU, ANORM, MODE, CNDNUM, DIST)
ZLATB4
subroutine zchklq(DOTYPE, NM, MVAL, NN, NVAL, NNB, NBVAL, NXVAL, NRHS, THRESH, TSTERR, NMAX, A, AF, AQ, AL, AC, B, X, XACT, TAU, WORK, RWORK, NOUT)
ZCHKLQ
subroutine zlqt01(M, N, A, AF, Q, L, LDA, TAU, WORK, LWORK, RWORK, RESULT)
ZLQT01
subroutine zerrlq(PATH, NUNIT)
ZERRLQ
subroutine zlatms(M, N, DIST, ISEED, SYM, D, MODE, COND, DMAX, KL, KU, PACK, A, LDA, WORK, INFO)
ZLATMS
subroutine zget02(TRANS, M, N, NRHS, A, LDA, X, LDX, B, LDB, RWORK, RESID)
ZGET02
subroutine alasum(TYPE, NOUT, NFAIL, NRUN, NERRS)
ALASUM