153 $ nmax, a, afac, ainv,
b, x, xact, work,
154 $ rwork, iwork, nout )
163 INTEGER nmax, nn, nout, nrhs
168 INTEGER iwork( * ), nval( * )
169 REAL a( * ), afac( * ), ainv( * ),
b( * ),
170 $ rwork( * ), work( * ), x( * ), xact( * )
177 parameter( one = 1.0e+0, zero = 0.0e+0 )
178 INTEGER ntypes, ntests
179 parameter( ntypes = 10, ntests = 3 )
181 parameter( nfact = 2 )
185 CHARACTER dist, fact, type, uplo, xtype
186 CHARACTER*3 path, matpath
187 INTEGER i, i1, i2, ifact, imat, in, info, ioff, iuplo,
188 $ izero,
j, k, kl, ku, lda, lwork, mode, n,
189 $ nb, nbmin, nerrs, nfail, nimat, nrun, nt
190 REAL ainvnm, anorm, cndnum, rcondc
193 CHARACTER facts( nfact ), uplos( 2 )
194 INTEGER iseed( 4 ), iseedy( 4 )
195 REAL result( ntests )
214 COMMON / infoc / infot, nunit, ok, lerr
215 COMMON / srnamc / srnamt
221 DATA iseedy / 1988, 1989, 1990, 1991 /
222 DATA uplos /
'U',
'L' / , facts /
'F',
'N' /
230 path( 1: 1 ) =
'Single precision'
235 matpath( 1: 1 ) =
'Single precision'
236 matpath( 2: 3 ) =
'SY'
242 iseed( i ) = iseedy( i )
244 lwork = max( 2*nmax, nmax*nrhs )
249 $ CALL
serrvx( path, nout )
270 DO 170 imat = 1, nimat
274 IF( .NOT.dotype( imat ) )
279 zerot = imat.GE.3 .AND. imat.LE.6
280 IF( zerot .AND. n.LT.imat-2 )
286 uplo = uplos( iuplo )
293 CALL
slatb4( matpath, imat, n, n, type, kl, ku, anorm,
294 $ mode, cndnum, dist )
299 CALL
slatms( n, n, dist, iseed, type, rwork, mode,
300 $ cndnum, anorm, kl, ku, uplo, a, lda, work,
306 CALL
alaerh( path,
'SLATMS', info, 0, uplo, n, n, -1,
307 $ -1, -1, imat, nfail, nerrs, nout )
320 ELSE IF( imat.EQ.4 )
THEN
330 IF( iuplo.EQ.1 )
THEN
331 ioff = ( izero-1 )*lda
332 DO 20 i = 1, izero - 1
342 DO 40 i = 1, izero - 1
353 IF( iuplo.EQ.1 )
THEN
383 DO 150 ifact = 1, nfact
387 fact = facts( ifact )
397 ELSE IF( ifact.EQ.1 )
THEN
401 anorm =
slansy(
'1', uplo, n, a, lda, rwork )
405 CALL
slacpy( uplo, n, n, a, lda, afac, lda )
411 CALL
slacpy( uplo, n, n, afac, lda, ainv, lda )
412 lwork = (n+nb+1)*(nb+3)
415 ainvnm =
slansy(
'1', uplo, n, ainv, lda, rwork )
419 IF( anorm.LE.zero .OR. ainvnm.LE.zero )
THEN
422 rcondc = ( one / anorm ) / ainvnm
429 CALL
slarhs( matpath, xtype, uplo,
' ', n, n, kl, ku,
430 $ nrhs, a, lda, xact, lda,
b, lda, iseed,
436 IF( ifact.EQ.2 )
THEN
437 CALL
slacpy( uplo, n, n, a, lda, afac, lda )
438 CALL
slacpy(
'Full', n, nrhs,
b, lda, x, lda )
443 srnamt =
'SSYSV_ROOK'
444 CALL
ssysv_rook( uplo, n, nrhs, afac, lda, iwork,
445 $ x, lda, work, lwork, info )
453 IF( iwork( k ).LT.0 )
THEN
454 IF( iwork( k ).NE.-k )
THEN
458 ELSE IF( iwork( k ).NE.k )
THEN
467 CALL
alaerh( path,
'SSYSV_ROOK', info, k, uplo,
468 $ n, n, -1, -1, nrhs, imat, nfail,
471 ELSE IF( info.NE.0 )
THEN
479 $ iwork, ainv, lda, rwork,
484 CALL
slacpy(
'Full', n, nrhs,
b, lda, work, lda )
485 CALL
spot02( uplo, n, nrhs, a, lda, x, lda, work,
486 $ lda, rwork, result( 2 ) )
491 CALL
sget04( n, nrhs, x, lda, xact, lda, rcondc,
499 IF( result( k ).GE.thresh )
THEN
500 IF( nfail.EQ.0 .AND. nerrs.EQ.0 )
501 $ CALL
aladhd( nout, path )
502 WRITE( nout, fmt = 9999 )
'SSYSV_ROOK', uplo,
503 $ n, imat, k, result( k )
519 CALL
alasvm( path, nout, nfail, nrun, nerrs )
521 9999
FORMAT( 1x, a,
', UPLO=''', a1,
''', N =', i5,
', type ', i2,
522 $
', test ', i2,
', ratio =', g12.5 )