version 1.5, 2011/11/21 20:43:05
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version 1.12, 2017/06/17 10:54:04
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* |
* |
* =========== 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 DSYRFSX + dependencies |
*> Download DSYRFSX + dependencies |
*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.tgz?format=tgz&filename=/lapack/lapack_routine/dsyrfsx.f"> |
*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.tgz?format=tgz&filename=/lapack/lapack_routine/dsyrfsx.f"> |
*> [TGZ]</a> |
*> [TGZ]</a> |
*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.zip?format=zip&filename=/lapack/lapack_routine/dsyrfsx.f"> |
*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.zip?format=zip&filename=/lapack/lapack_routine/dsyrfsx.f"> |
*> [ZIP]</a> |
*> [ZIP]</a> |
*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.txt?format=txt&filename=/lapack/lapack_routine/dsyrfsx.f"> |
*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.txt?format=txt&filename=/lapack/lapack_routine/dsyrfsx.f"> |
*> [TXT]</a> |
*> [TXT]</a> |
*> \endhtmlonly |
*> \endhtmlonly |
* |
* |
* Definition: |
* Definition: |
* =========== |
* =========== |
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* S, B, LDB, X, LDX, RCOND, BERR, N_ERR_BNDS, |
* S, B, LDB, X, LDX, RCOND, BERR, N_ERR_BNDS, |
* ERR_BNDS_NORM, ERR_BNDS_COMP, NPARAMS, PARAMS, |
* ERR_BNDS_NORM, ERR_BNDS_COMP, NPARAMS, PARAMS, |
* WORK, IWORK, INFO ) |
* WORK, IWORK, INFO ) |
* |
* |
* .. Scalar Arguments .. |
* .. Scalar Arguments .. |
* CHARACTER UPLO, EQUED |
* CHARACTER UPLO, EQUED |
* INTEGER INFO, LDA, LDAF, LDB, LDX, N, NRHS, NPARAMS, |
* INTEGER INFO, LDA, LDAF, LDB, LDX, N, NRHS, NPARAMS, |
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* $ ERR_BNDS_NORM( NRHS, * ), |
* $ ERR_BNDS_NORM( NRHS, * ), |
* $ ERR_BNDS_COMP( NRHS, * ) |
* $ ERR_BNDS_COMP( NRHS, * ) |
* .. |
* .. |
* |
* |
* |
* |
*> \par Purpose: |
*> \par Purpose: |
* ============= |
* ============= |
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*> |
*> |
*> \param[in,out] S |
*> \param[in,out] S |
*> \verbatim |
*> \verbatim |
*> S is or output) DOUBLE PRECISION array, dimension (N) |
*> S is DOUBLE PRECISION array, dimension (N) |
*> The scale factors for A. If EQUED = 'Y', A is multiplied on |
*> The scale factors for A. If EQUED = 'Y', A is multiplied on |
*> the left and right by diag(S). S is an input argument if FACT = |
*> the left and right by diag(S). S is an input argument if FACT = |
*> 'F'; otherwise, S is an output argument. If FACT = 'F' and EQUED |
*> 'F'; otherwise, S is an output argument. If FACT = 'F' and EQUED |
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*> |
*> |
*> \param[in,out] PARAMS |
*> \param[in,out] PARAMS |
*> \verbatim |
*> \verbatim |
*> PARAMS is / output) DOUBLE PRECISION array, dimension (NPARAMS) |
*> PARAMS is DOUBLE PRECISION array, dimension (NPARAMS) |
*> Specifies algorithm parameters. If an entry is .LT. 0.0, then |
*> Specifies algorithm parameters. If an entry is .LT. 0.0, then |
*> that entry will be filled with default value used for that |
*> that entry will be filled with default value used for that |
*> parameter. Only positions up to NPARAMS are accessed; defaults |
*> parameter. Only positions up to NPARAMS are accessed; defaults |
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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 April 2012 |
* |
* |
*> \ingroup doubleSYcomputational |
*> \ingroup doubleSYcomputational |
* |
* |
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$ ERR_BNDS_NORM, ERR_BNDS_COMP, NPARAMS, PARAMS, |
$ ERR_BNDS_NORM, ERR_BNDS_COMP, NPARAMS, PARAMS, |
$ WORK, IWORK, INFO ) |
$ WORK, IWORK, INFO ) |
* |
* |
* -- 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 |
* April 2012 |
* |
* |
* .. Scalar Arguments .. |
* .. Scalar Arguments .. |
CHARACTER UPLO, EQUED |
CHARACTER UPLO, EQUED |
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INTRINSIC MAX, SQRT |
INTRINSIC MAX, SQRT |
* .. |
* .. |
* .. External Functions .. |
* .. External Functions .. |
EXTERNAL LSAME, BLAS_FPINFO_X, ILATRANS, ILAPREC |
EXTERNAL LSAME, ILAPREC |
EXTERNAL DLAMCH, DLANSY, DLA_SYRCOND |
EXTERNAL DLAMCH, DLANSY, DLA_SYRCOND |
DOUBLE PRECISION DLAMCH, DLANSY, DLA_SYRCOND |
DOUBLE PRECISION DLAMCH, DLANSY, DLA_SYRCOND |
LOGICAL LSAME |
LOGICAL LSAME |
INTEGER BLAS_FPINFO_X |
INTEGER ILAPREC |
INTEGER ILATRANS, ILAPREC |
|
* .. |
* .. |
* .. Executable Statements .. |
* .. Executable Statements .. |
* |
* |
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ELSE IF( LDAF.LT.MAX( 1, N ) ) THEN |
ELSE IF( LDAF.LT.MAX( 1, N ) ) THEN |
INFO = -8 |
INFO = -8 |
ELSE IF( LDB.LT.MAX( 1, N ) ) THEN |
ELSE IF( LDB.LT.MAX( 1, N ) ) THEN |
INFO = -11 |
INFO = -12 |
ELSE IF( LDX.LT.MAX( 1, N ) ) THEN |
ELSE IF( LDX.LT.MAX( 1, N ) ) THEN |
INFO = -13 |
INFO = -14 |
END IF |
END IF |
IF( INFO.NE.0 ) THEN |
IF( INFO.NE.0 ) THEN |
CALL XERBLA( 'DSYRFSX', -INFO ) |
CALL XERBLA( 'DSYRFSX', -INFO ) |
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IF ( RCOND_TMP .LT. ILLRCOND_THRESH ) THEN |
IF ( RCOND_TMP .LT. ILLRCOND_THRESH ) THEN |
ERR_BNDS_COMP( J, LA_LINRX_ERR_I ) = 1.0D+0 |
ERR_BNDS_COMP( J, LA_LINRX_ERR_I ) = 1.0D+0 |
ERR_BNDS_COMP( J, LA_LINRX_TRUST_I ) = 0.0D+0 |
ERR_BNDS_COMP( J, LA_LINRX_TRUST_I ) = 0.0D+0 |
IF ( PARAMS( LA_LINRX_CWISE_I ) .EQ. 1.0D+0 |
IF ( .NOT. IGNORE_CWISE |
$ .AND. INFO.LT.N + J ) INFO = N + J |
$ .AND. INFO.LT.N + J ) INFO = N + J |
ELSE IF ( ERR_BNDS_COMP( J, LA_LINRX_ERR_I ) |
ELSE IF ( ERR_BNDS_COMP( J, LA_LINRX_ERR_I ) |
$ .LT. ERR_LBND ) THEN |
$ .LT. ERR_LBND ) THEN |