161 SUBROUTINE zdrvge( DOTYPE, NN, NVAL, NRHS, THRESH, TSTERR, NMAX,
162 $ A, AFAC, ASAV, B, BSAV, X, XACT, S, WORK,
163 $ RWORK, IWORK, NOUT )
171 INTEGER NMAX, NN, NOUT, NRHS
172 DOUBLE PRECISION THRESH
176 INTEGER IWORK( * ), NVAL( * )
177 DOUBLE PRECISION RWORK( * ), S( * )
178 COMPLEX*16 A( * ), AFAC( * ), ASAV( * ), B( * ),
179 $ bsav( * ), work( * ), x( * ), xact( * )
185 DOUBLE PRECISION ONE, ZERO
186 PARAMETER ( ONE = 1.0d+0, zero = 0.0d+0 )
188 parameter( ntypes = 11 )
190 parameter( ntests = 7 )
192 parameter( ntran = 3 )
195 LOGICAL EQUIL, NOFACT, PREFAC, TRFCON, ZEROT
196 CHARACTER DIST, EQUED, FACT, TRANS,
TYPE, XTYPE
198 INTEGER I, IEQUED, IFACT, IMAT, IN, INFO, IOFF, ITRAN,
199 $ izero, k, k1, kl, ku, lda, lwork, mode, n, nb,
200 $ nbmin, nerrs, nfact, nfail, nimat, nrun, nt
201 DOUBLE PRECISION AINVNM, AMAX, ANORM, ANORMI, ANORMO, CNDNUM,
202 $ COLCND, RCOND, RCONDC, RCONDI, RCONDO, ROLDC,
203 $ roldi, roldo, rowcnd, rpvgrw
206 CHARACTER EQUEDS( 4 ), FACTS( 3 ), TRANSS( NTRAN )
207 INTEGER ISEED( 4 ), ISEEDY( 4 )
208 DOUBLE PRECISION RDUM( 1 ), RESULT( NTESTS )
212 DOUBLE PRECISION DGET06, DLAMCH, ZLANGE, ZLANTR
213 EXTERNAL lsame, dget06, dlamch, zlange, zlantr
222 INTRINSIC abs, dcmplx, max
230 COMMON / infoc / infot, nunit, ok, lerr
231 COMMON / srnamc / srnamt
234 DATA iseedy / 1988, 1989, 1990, 1991 /
235 DATA transs /
'N',
'T',
'C' /
236 DATA facts /
'F',
'N',
'E' /
237 DATA equeds /
'N',
'R',
'C',
'B' /
243 path( 1: 1 ) =
'Zomplex precision'
249 iseed( i ) = iseedy( i )
255 $
CALL zerrvx( path, nout )
275 DO 80 imat = 1, nimat
279 IF( .NOT.dotype( imat ) )
284 zerot = imat.GE.5 .AND. imat.LE.7
285 IF( zerot .AND. n.LT.imat-4 )
291 CALL zlatb4( path, imat, n, n,
TYPE, kl, ku, anorm, mode,
293 rcondc = one / cndnum
296 CALL zlatms( n, n, dist, iseed,
TYPE, rwork, mode, cndnum,
297 $ anorm, kl, ku,
'No packing', a, lda, work,
303 CALL alaerh( path,
'ZLATMS', info, 0,
' ', n, n, -1, -1,
304 $ -1, imat, nfail, nerrs, nout )
314 ELSE IF( imat.EQ.6 )
THEN
319 ioff = ( izero-1 )*lda
325 CALL zlaset(
'Full', n, n-izero+1, dcmplx( zero ),
326 $ dcmplx( zero ), a( ioff+1 ), lda )
334 CALL zlacpy(
'Full', n, n, a, lda, asav, lda )
337 equed = equeds( iequed )
338 IF( iequed.EQ.1 )
THEN
344 DO 60 ifact = 1, nfact
345 fact = facts( ifact )
346 prefac = lsame( fact,
'F' )
347 nofact = lsame( fact,
'N' )
348 equil = lsame( fact,
'E' )
356 ELSE IF( .NOT.nofact )
THEN
363 CALL zlacpy(
'Full', n, n, asav, lda, afac, lda )
364 IF( equil .OR. iequed.GT.1 )
THEN
369 CALL zgeequ( n, n, afac, lda, s, s( n+1 ),
370 $ rowcnd, colcnd, amax, info )
371 IF( info.EQ.0 .AND. n.GT.0 )
THEN
372 IF( lsame( equed,
'R' ) )
THEN
375 ELSE IF( lsame( equed,
'C' ) )
THEN
378 ELSE IF( lsame( equed,
'B' ) )
THEN
385 CALL zlaqge( n, n, afac, lda, s, s( n+1 ),
386 $ rowcnd, colcnd, amax, equed )
400 anormo = zlange(
'1', n, n, afac, lda, rwork )
401 anormi = zlange(
'I', n, n, afac, lda, rwork )
406 CALL zgetrf( n, n, afac, lda, iwork, info )
410 CALL zlacpy(
'Full', n, n, afac, lda, a, lda )
411 lwork = nmax*max( 3, nrhs )
413 CALL zgetri( n, a, lda, iwork, work, lwork, info )
417 ainvnm = zlange(
'1', n, n, a, lda, rwork )
418 IF( anormo.LE.zero .OR. ainvnm.LE.zero )
THEN
421 rcondo = ( one / anormo ) / ainvnm
426 ainvnm = zlange(
'I', n, n, a, lda, rwork )
427 IF( anormi.LE.zero .OR. ainvnm.LE.zero )
THEN
430 rcondi = ( one / anormi ) / ainvnm
434 DO 50 itran = 1, ntran
438 trans = transs( itran )
439 IF( itran.EQ.1 )
THEN
447 CALL zlacpy(
'Full', n, n, asav, lda, a, lda )
452 CALL zlarhs( path, xtype,
'Full', trans, n, n, kl,
453 $ ku, nrhs, a, lda, xact, lda, b, lda,
456 CALL zlacpy(
'Full', n, nrhs, b, lda, bsav, lda )
458 IF( nofact .AND. itran.EQ.1 )
THEN
465 CALL zlacpy(
'Full', n, n, a, lda, afac, lda )
466 CALL zlacpy(
'Full', n, nrhs, b, lda, x, lda )
469 CALL zgesv( n, nrhs, afac, lda, iwork, x, lda,
475 $
CALL alaerh( path,
'ZGESV ', info, izero,
476 $
' ', n, n, -1, -1, nrhs, imat,
477 $ nfail, nerrs, nout )
482 CALL zget01( n, n, a, lda, afac, lda, iwork,
483 $ rwork, result( 1 ) )
485 IF( izero.EQ.0 )
THEN
489 CALL zlacpy(
'Full', n, nrhs, b, lda, work,
491 CALL zget02(
'No transpose', n, n, nrhs, a,
492 $ lda, x, lda, work, lda, rwork,
497 CALL zget04( n, nrhs, x, lda, xact, lda,
498 $ rcondc, result( 3 ) )
506 IF( result( k ).GE.thresh )
THEN
507 IF( nfail.EQ.0 .AND. nerrs.EQ.0 )
508 $
CALL aladhd( nout, path )
509 WRITE( nout, fmt = 9999 )
'ZGESV ', n,
510 $ imat, k, result( k )
520 $
CALL zlaset(
'Full', n, n, dcmplx( zero ),
521 $ dcmplx( zero ), afac, lda )
522 CALL zlaset(
'Full', n, nrhs, dcmplx( zero ),
523 $ dcmplx( zero ), x, lda )
524 IF( iequed.GT.1 .AND. n.GT.0 )
THEN
529 CALL zlaqge( n, n, a, lda, s, s( n+1 ), rowcnd,
530 $ colcnd, amax, equed )
537 CALL zgesvx( fact, trans, n, nrhs, a, lda, afac,
538 $ lda, iwork, equed, s, s( n+1 ), b,
539 $ lda, x, lda, rcond, rwork,
540 $ rwork( nrhs+1 ), work,
541 $ rwork( 2*nrhs+1 ), info )
546 $
CALL alaerh( path,
'ZGESVX', info, izero,
547 $ fact // trans, n, n, -1, -1, nrhs,
548 $ imat, nfail, nerrs, nout )
553 IF( info.NE.0 .AND. info.LE.n)
THEN
554 rpvgrw = zlantr(
'M',
'U',
'N', info, info,
556 IF( rpvgrw.EQ.zero )
THEN
559 rpvgrw = zlange(
'M', n, info, a, lda,
563 rpvgrw = zlantr(
'M',
'U',
'N', n, n, afac, lda,
565 IF( rpvgrw.EQ.zero )
THEN
568 rpvgrw = zlange(
'M', n, n, a, lda, rdum ) /
572 result( 7 ) = abs( rpvgrw-rwork( 2*nrhs+1 ) ) /
573 $ max( rwork( 2*nrhs+1 ), rpvgrw ) /
576 IF( .NOT.prefac )
THEN
581 CALL zget01( n, n, a, lda, afac, lda, iwork,
582 $ rwork( 2*nrhs+1 ), result( 1 ) )
593 CALL zlacpy(
'Full', n, nrhs, bsav, lda, work,
595 CALL zget02( trans, n, n, nrhs, asav, lda, x,
596 $ lda, work, lda, rwork( 2*nrhs+1 ),
601 IF( nofact .OR. ( prefac .AND. lsame( equed,
603 CALL zget04( n, nrhs, x, lda, xact, lda,
604 $ rcondc, result( 3 ) )
606 IF( itran.EQ.1 )
THEN
611 CALL zget04( n, nrhs, x, lda, xact, lda,
612 $ roldc, result( 3 ) )
618 CALL zget07( trans, n, nrhs, asav, lda, b, lda,
619 $ x, lda, xact, lda, rwork, .true.,
620 $ rwork( nrhs+1 ), result( 4 ) )
628 result( 6 ) = dget06( rcond, rcondc )
633 IF( .NOT.trfcon )
THEN
635 IF( result( k ).GE.thresh )
THEN
636 IF( nfail.EQ.0 .AND. nerrs.EQ.0 )
637 $
CALL aladhd( nout, path )
639 WRITE( nout, fmt = 9997 )
'ZGESVX',
640 $ fact, trans, n, equed, imat, k,
643 WRITE( nout, fmt = 9998 )
'ZGESVX',
644 $ fact, trans, n, imat, k, result( k )
649 nrun = nrun + ntests - k1 + 1
651 IF( result( 1 ).GE.thresh .AND. .NOT.prefac )
653 IF( nfail.EQ.0 .AND. nerrs.EQ.0 )
654 $
CALL aladhd( nout, path )
656 WRITE( nout, fmt = 9997 )
'ZGESVX', fact,
657 $ trans, n, equed, imat, 1, result( 1 )
659 WRITE( nout, fmt = 9998 )
'ZGESVX', fact,
660 $ trans, n, imat, 1, result( 1 )
665 IF( result( 6 ).GE.thresh )
THEN
666 IF( nfail.EQ.0 .AND. nerrs.EQ.0 )
667 $
CALL aladhd( nout, path )
669 WRITE( nout, fmt = 9997 )
'ZGESVX', fact,
670 $ trans, n, equed, imat, 6, result( 6 )
672 WRITE( nout, fmt = 9998 )
'ZGESVX', fact,
673 $ trans, n, imat, 6, result( 6 )
678 IF( result( 7 ).GE.thresh )
THEN
679 IF( nfail.EQ.0 .AND. nerrs.EQ.0 )
680 $
CALL aladhd( nout, path )
682 WRITE( nout, fmt = 9997 )
'ZGESVX', fact,
683 $ trans, n, equed, imat, 7, result( 7 )
685 WRITE( nout, fmt = 9998 )
'ZGESVX', fact,
686 $ trans, n, imat, 7, result( 7 )
702 CALL alasvm( path, nout, nfail, nrun, nerrs )
704 9999
FORMAT( 1x, a,
', N =', i5,
', type ', i2,
', test(', i2,
') =',
706 9998
FORMAT( 1x, a,
', FACT=''', a1,
''', TRANS=''', a1,
''', N=', i5,
707 $
', type ', i2,
', test(', i1,
')=', g12.5 )
708 9997
FORMAT( 1x, a,
', FACT=''', a1,
''', TRANS=''', a1,
''', N=', i5,
709 $
', EQUED=''', a1,
''', type ', i2,
', test(', i1,
')=',