version 1.6, 2011/11/21 20:43:14
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version 1.15, 2017/06/17 11:06:52
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*> \brief \b ZLA_SYRCOND_X |
*> \brief \b ZLA_SYRCOND_X computes the infinity norm condition number of op(A)*diag(x) for symmetric indefinite matrices. |
* |
* |
* =========== DOCUMENTATION =========== |
* =========== DOCUMENTATION =========== |
* |
* |
* Online html documentation available at |
* Online html documentation available at |
* http://www.netlib.org/lapack/explore-html/ |
* http://www.netlib.org/lapack/explore-html/ |
* |
* |
*> \htmlonly |
*> \htmlonly |
*> Download ZLA_SYRCOND_X + dependencies |
*> Download ZLA_SYRCOND_X + dependencies |
*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.tgz?format=tgz&filename=/lapack/lapack_routine/zla_syrcond_x.f"> |
*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.tgz?format=tgz&filename=/lapack/lapack_routine/zla_syrcond_x.f"> |
*> [TGZ]</a> |
*> [TGZ]</a> |
*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.zip?format=zip&filename=/lapack/lapack_routine/zla_syrcond_x.f"> |
*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.zip?format=zip&filename=/lapack/lapack_routine/zla_syrcond_x.f"> |
*> [ZIP]</a> |
*> [ZIP]</a> |
*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.txt?format=txt&filename=/lapack/lapack_routine/zla_syrcond_x.f"> |
*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.txt?format=txt&filename=/lapack/lapack_routine/zla_syrcond_x.f"> |
*> [TXT]</a> |
*> [TXT]</a> |
*> \endhtmlonly |
*> \endhtmlonly |
* |
* |
* Definition: |
* Definition: |
* =========== |
* =========== |
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* DOUBLE PRECISION FUNCTION ZLA_SYRCOND_X( UPLO, N, A, LDA, AF, |
* DOUBLE PRECISION FUNCTION ZLA_SYRCOND_X( UPLO, N, A, LDA, AF, |
* LDAF, IPIV, X, INFO, |
* LDAF, IPIV, X, INFO, |
* WORK, RWORK ) |
* WORK, RWORK ) |
* |
* |
* .. Scalar Arguments .. |
* .. Scalar Arguments .. |
* CHARACTER UPLO |
* CHARACTER UPLO |
* INTEGER N, LDA, LDAF, INFO |
* INTEGER N, LDA, LDAF, INFO |
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* COMPLEX*16 A( LDA, * ), AF( LDAF, * ), WORK( * ), X( * ) |
* COMPLEX*16 A( LDA, * ), AF( LDAF, * ), WORK( * ), X( * ) |
* DOUBLE PRECISION RWORK( * ) |
* DOUBLE PRECISION RWORK( * ) |
* .. |
* .. |
* |
* |
* |
* |
*> \par Purpose: |
*> \par Purpose: |
* ============= |
* ============= |
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* Authors: |
* Authors: |
* ======== |
* ======== |
* |
* |
*> \author Univ. of Tennessee |
*> \author Univ. of Tennessee |
*> \author Univ. of California Berkeley |
*> \author Univ. of California Berkeley |
*> \author Univ. of Colorado Denver |
*> \author Univ. of Colorado Denver |
*> \author NAG Ltd. |
*> \author NAG Ltd. |
* |
* |
*> \date November 2011 |
*> \date December 2016 |
* |
* |
*> \ingroup complex16SYcomputational |
*> \ingroup complex16SYcomputational |
* |
* |
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$ LDAF, IPIV, X, INFO, |
$ LDAF, IPIV, X, INFO, |
$ WORK, RWORK ) |
$ WORK, RWORK ) |
* |
* |
* -- LAPACK computational routine (version 3.4.0) -- |
* -- LAPACK computational routine (version 3.7.0) -- |
* -- LAPACK is a software package provided by Univ. of Tennessee, -- |
* -- LAPACK is a software package provided by Univ. of Tennessee, -- |
* -- Univ. of California Berkeley, Univ. of Colorado Denver and NAG Ltd..-- |
* -- Univ. of California Berkeley, Univ. of Colorado Denver and NAG Ltd..-- |
* November 2011 |
* December 2016 |
* |
* |
* .. Scalar Arguments .. |
* .. Scalar Arguments .. |
CHARACTER UPLO |
CHARACTER UPLO |
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INTEGER KASE |
INTEGER KASE |
DOUBLE PRECISION AINVNM, ANORM, TMP |
DOUBLE PRECISION AINVNM, ANORM, TMP |
INTEGER I, J |
INTEGER I, J |
LOGICAL UP |
LOGICAL UP, UPPER |
COMPLEX*16 ZDUM |
COMPLEX*16 ZDUM |
* .. |
* .. |
* .. Local Arrays .. |
* .. Local Arrays .. |
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ZLA_SYRCOND_X = 0.0D+0 |
ZLA_SYRCOND_X = 0.0D+0 |
* |
* |
INFO = 0 |
INFO = 0 |
IF( N.LT.0 ) THEN |
UPPER = LSAME( UPLO, 'U' ) |
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IF( .NOT.UPPER .AND. .NOT.LSAME( UPLO, 'L' ) ) THEN |
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INFO = -1 |
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ELSE IF( N.LT.0 ) THEN |
INFO = -2 |
INFO = -2 |
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ELSE IF( LDA.LT.MAX( 1, N ) ) THEN |
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INFO = -4 |
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ELSE IF( LDAF.LT.MAX( 1, N ) ) THEN |
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INFO = -6 |
END IF |
END IF |
IF( INFO.NE.0 ) THEN |
IF( INFO.NE.0 ) THEN |
CALL XERBLA( 'ZLA_SYRCOND_X', -INFO ) |
CALL XERBLA( 'ZLA_SYRCOND_X', -INFO ) |