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| author | julie <julielangou@users.noreply.github.com> | 2012-04-12 00:56:00 +0000 |
|---|---|---|
| committer | julie <julielangou@users.noreply.github.com> | 2012-04-12 00:56:00 +0000 |
| commit | d1c0c25cd21baff8edfe9273b2f975ac81da2703 (patch) | |
| tree | f8e44c4112fca053cb04b9cc2d07fa905ef28c85 /SRC/zla_herfsx_extended.f | |
| parent | 21199982e23bb604c3a4e61f8dc3b5db69009039 (diff) | |
| download | lapack-d1c0c25cd21baff8edfe9273b2f975ac81da2703.tar.gz lapack-d1c0c25cd21baff8edfe9273b2f975ac81da2703.tar.bz2 lapack-d1c0c25cd21baff8edfe9273b2f975ac81da2703.zip | |
Follow up to rev r1130
Fix bug bug0088 reported by Mike Pont from NAG on the forum
(see http://icl.cs.utk.edu/lapack-forum/viewtopic.php?f=13&t=2893)
Actually there were a lot of problems regarding arguments checking.
I tried to correct most of them.
Apply the fix propose to all x[he/sy]rfsx.f routines
- Use IGNORE_CWISE as suggested to prevent use of unitialize variable PARAMS
I also appied the previous TESTING fix to all routines
INFO has new value in ZHERFSX (see description of INFO between ZHESVX and ZHESVXX)
This is set on line 634 (IF ( INFO .LE. N ) INFO = N + J) of zherfsx.f
And this is not handled by the testing LIN/zdrvhex.f
I just add .AND. INFO.LE.N at line 638 to avoid raising an error when INFO = N + J
At the moment, I would recommand a further look at those routines.
ZHE, ZSY led to 182 Tests failing to pass the threshold
and the same for complex
better than before, but still....
Diffstat (limited to 'SRC/zla_herfsx_extended.f')
| -rw-r--r-- | SRC/zla_herfsx_extended.f | 26 |
1 files changed, 23 insertions, 3 deletions
diff --git a/SRC/zla_herfsx_extended.f b/SRC/zla_herfsx_extended.f index 577a4af0..9f8c4e38 100644 --- a/SRC/zla_herfsx_extended.f +++ b/SRC/zla_herfsx_extended.f @@ -373,7 +373,7 @@ *> \verbatim *> INFO is INTEGER *> = 0: Successful exit. -*> < 0: if INFO = -i, the ith argument to ZHETRS had an illegal +*> < 0: if INFO = -i, the ith argument to ZLA_HERFSX_EXTENDED had an illegal *> value *> \endverbatim * @@ -428,7 +428,7 @@ $ DZRAT, PREVNORMDX, PREV_DZ_Z, DXRATMAX, $ DZRATMAX, DX_X, DZ_Z, FINAL_DX_X, FINAL_DZ_Z, $ EPS, HUGEVAL, INCR_THRESH - LOGICAL INCR_PREC + LOGICAL INCR_PREC, UPPER COMPLEX*16 ZDUM * .. * .. Parameters .. @@ -479,7 +479,27 @@ * .. * .. Executable Statements .. * - IF (INFO.NE.0) RETURN + INFO = 0 + UPPER = LSAME( UPLO, 'U' ) + IF( .NOT.UPPER .AND. .NOT.LSAME( UPLO, 'L' ) ) THEN + INFO = -2 + ELSE IF( N.LT.0 ) THEN + INFO = -3 + ELSE IF( NRHS.LT.0 ) THEN + INFO = -4 + ELSE IF( LDA.LT.MAX( 1, N ) ) THEN + INFO = -6 + ELSE IF( LDAF.LT.MAX( 1, N ) ) THEN + INFO = -8 + ELSE IF( LDB.LT.MAX( 1, N ) ) THEN + INFO = -13 + ELSE IF( LDY.LT.MAX( 1, N ) ) THEN + INFO = -15 + END IF + IF( INFO.NE.0 ) THEN + CALL XERBLA( 'ZLA_HERFSX_EXTENDED', -INFO ) + RETURN + END IF EPS = DLAMCH( 'Epsilon' ) HUGEVAL = DLAMCH( 'Overflow' ) * Force HUGEVAL to Inf |