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 = 3 )
182 parameter ( nfact = 2 )
186 CHARACTER dist, fact,
TYPE, uplo, xtype
187 CHARACTER*3 matpath, path
188 INTEGER i, i1, i2, ifact, imat, in, info, ioff, iuplo,
189 $ izero, j, k, kl, ku, lda, lwork, mode, n,
190 $ nb, nbmin, nerrs, nfail, nimat, nrun, nt
191 REAL ainvnm, anorm, cndnum, rcondc
194 CHARACTER facts( nfact ), uplos( 2 )
195 INTEGER iseed( 4 ), iseedy( 4 )
196 REAL result( ntests )
215 COMMON / infoc / infot, nunit, ok, lerr
216 COMMON / srnamc / srnamt
222 DATA iseedy / 1988, 1989, 1990, 1991 /
223 DATA uplos /
'U',
'L' / , facts /
'F',
'N' /
231 path( 1: 1 ) =
'Complex precision'
236 matpath( 1: 1 ) =
'Complex precision'
237 matpath( 2: 3 ) =
'HE'
243 iseed( i ) = iseedy( i )
245 lwork = max( 2*nmax, nmax*nrhs )
250 $
CALL cerrvx( path, nout )
271 DO 170 imat = 1, nimat
275 IF( .NOT.dotype( imat ) )
280 zerot = imat.GE.3 .AND. imat.LE.6
281 IF( zerot .AND. n.LT.imat-2 )
287 uplo = uplos( iuplo )
294 CALL clatb4( matpath, imat, n, n,
TYPE, kl, ku, anorm,
295 $ mode, cndnum, dist )
300 CALL clatms( n, n, dist, iseed,
TYPE, rwork, mode,
301 $ cndnum, anorm, kl, ku, uplo, a, lda,
307 CALL alaerh( path,
'CLATMS', info, 0, uplo, n, n,
308 $ -1, -1, -1, imat, nfail, nerrs, nout )
318 ELSE IF( imat.EQ.4 )
THEN
328 IF( iuplo.EQ.1 )
THEN
329 ioff = ( izero-1 )*lda
330 DO 20 i = 1, izero - 1
340 DO 40 i = 1, izero - 1
350 IF( iuplo.EQ.1 )
THEN
383 DO 150 ifact = 1, nfact
387 fact = facts( ifact )
397 ELSE IF( ifact.EQ.1 )
THEN
401 anorm =
clanhe(
'1', uplo, n, a, lda, rwork )
405 CALL clacpy( uplo, n, n, a, lda, afac, lda )
411 CALL clacpy( uplo, n, n, afac, lda, ainv, lda )
412 lwork = (n+nb+1)*(nb+3)
415 ainvnm =
clanhe(
'1', uplo, n, ainv, lda, rwork )
419 IF( anorm.LE.zero .OR. ainvnm.LE.zero )
THEN
422 rcondc = ( one / anorm ) / ainvnm
429 CALL clarhs( matpath, xtype, uplo,
' ', n, n, kl, ku,
430 $ nrhs, a, lda, xact, lda, b, lda, iseed,
436 IF( ifact.EQ.2 )
THEN
437 CALL clacpy( uplo, n, n, a, lda, afac, lda )
438 CALL clacpy(
'Full', n, nrhs, b, lda, x, lda )
443 srnamt =
'CHESV_ROOK'
444 CALL chesv_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,
'CHESV_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 clacpy(
'Full', n, nrhs, b, lda, work, lda )
485 CALL cpot02( uplo, n, nrhs, a, lda, x, lda, work,
486 $ lda, rwork, result( 2 ) )
491 CALL cget04( 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 )
'CHESV_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 )
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 chetri_rook(UPLO, N, A, LDA, IPIV, WORK, INFO)
CHETRI_ROOK computes the inverse of HE matrix using the factorization obtained with the bounded Bunch...
subroutine clarhs(PATH, XTYPE, UPLO, TRANS, M, N, KL, KU, NRHS, A, LDA, X, LDX, B, LDB, ISEED, INFO)
CLARHS
subroutine chetrf_rook(UPLO, N, A, LDA, IPIV, WORK, LWORK, INFO)
CHETRF_ROOK computes the factorization of a complex Hermitian indefinite matrix using the bounded Bun...
subroutine chesv_rook(UPLO, N, NRHS, A, LDA, IPIV, B, LDB, WORK, LWORK, INFO)
CHESV_ROOK computes the solution to a system of linear equations A * X = B for HE matrices using the ...
subroutine cerrvx(PATH, NUNIT)
CERRVX
subroutine xlaenv(ISPEC, NVALUE)
XLAENV
subroutine cpot02(UPLO, N, NRHS, A, LDA, X, LDX, B, LDB, RWORK, RESID)
CPOT02
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 clatb4(PATH, IMAT, M, N, TYPE, KL, KU, ANORM, MODE, CNDNUM, DIST)
CLATB4
subroutine chet01_rook(UPLO, N, A, LDA, AFAC, LDAFAC, IPIV, C, LDC, RWORK, RESID)
CHET01_ROOK
real function clanhe(NORM, UPLO, N, A, LDA, WORK)
CLANHE returns the value of the 1-norm, or the Frobenius norm, or the infinity norm, or the element of largest absolute value of a complex Hermitian matrix.
subroutine cget04(N, NRHS, X, LDX, XACT, LDXACT, RCOND, RESID)
CGET04