version 1.6, 2011/11/21 20:43:13
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version 1.11, 2012/12/14 14:22:49
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*> \brief \b ZLA_HERCOND_X |
*> \brief \b ZLA_HERCOND_X computes the infinity norm condition number of op(A)*diag(x) for Hermitian indefinite matrices. |
* |
* |
* =========== DOCUMENTATION =========== |
* =========== DOCUMENTATION =========== |
* |
* |
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*> \author Univ. of Colorado Denver |
*> \author Univ. of Colorado Denver |
*> \author NAG Ltd. |
*> \author NAG Ltd. |
* |
* |
*> \date November 2011 |
*> \date September 2012 |
* |
* |
*> \ingroup complex16HEcomputational |
*> \ingroup complex16HEcomputational |
* |
* |
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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 3.4.2) -- |
* -- 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 |
* September 2012 |
* |
* |
* .. Scalar Arguments .. |
* .. Scalar Arguments .. |
CHARACTER UPLO |
CHARACTER UPLO |
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* .. Local Scalars .. |
* .. Local Scalars .. |
INTEGER KASE, I, J |
INTEGER KASE, I, J |
DOUBLE PRECISION AINVNM, ANORM, TMP |
DOUBLE PRECISION AINVNM, ANORM, TMP |
LOGICAL UP |
LOGICAL UP, UPPER |
COMPLEX*16 ZDUM |
COMPLEX*16 ZDUM |
* .. |
* .. |
* .. Local Arrays .. |
* .. Local Arrays .. |
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ZLA_HERCOND_X = 0.0D+0 |
ZLA_HERCOND_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_HERCOND_X', -INFO ) |
CALL XERBLA( 'ZLA_HERCOND_X', -INFO ) |