version 1.12, 2016/08/27 15:35:08
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version 1.16, 2020/05/21 21:46:10
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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 ZSYSVXX + dependencies |
*> Download ZSYSVXX + dependencies |
*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.tgz?format=tgz&filename=/lapack/lapack_routine/zsysvxx.f"> |
*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.tgz?format=tgz&filename=/lapack/lapack_routine/zsysvxx.f"> |
*> [TGZ]</a> |
*> [TGZ]</a> |
*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.zip?format=zip&filename=/lapack/lapack_routine/zsysvxx.f"> |
*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.zip?format=zip&filename=/lapack/lapack_routine/zsysvxx.f"> |
*> [ZIP]</a> |
*> [ZIP]</a> |
*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.txt?format=txt&filename=/lapack/lapack_routine/zsysvxx.f"> |
*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.txt?format=txt&filename=/lapack/lapack_routine/zsysvxx.f"> |
*> [TXT]</a> |
*> [TXT]</a> |
*> \endhtmlonly |
*> \endhtmlonly |
* |
* |
* Definition: |
* Definition: |
* =========== |
* =========== |
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* EQUED, S, B, LDB, X, LDX, RCOND, RPVGRW, BERR, |
* EQUED, S, B, LDB, X, LDX, RCOND, RPVGRW, BERR, |
* N_ERR_BNDS, ERR_BNDS_NORM, ERR_BNDS_COMP, |
* N_ERR_BNDS, ERR_BNDS_NORM, ERR_BNDS_COMP, |
* NPARAMS, PARAMS, WORK, RWORK, INFO ) |
* NPARAMS, PARAMS, WORK, RWORK, INFO ) |
* |
* |
* .. Scalar Arguments .. |
* .. Scalar Arguments .. |
* CHARACTER EQUED, FACT, UPLO |
* CHARACTER EQUED, FACT, UPLO |
* 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, * ), RWORK( * ) |
* $ ERR_BNDS_COMP( NRHS, * ), RWORK( * ) |
* .. |
* .. |
* |
* |
* |
* |
*> \par Purpose: |
*> \par Purpose: |
* ============= |
* ============= |
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*> information as described below. There currently are up to three |
*> information as described below. There currently are up to three |
*> pieces of information returned for each right-hand side. If |
*> pieces of information returned for each right-hand side. If |
*> componentwise accuracy is not requested (PARAMS(3) = 0.0), then |
*> componentwise accuracy is not requested (PARAMS(3) = 0.0), then |
*> ERR_BNDS_COMP is not accessed. If N_ERR_BNDS .LT. 3, then at most |
*> ERR_BNDS_COMP is not accessed. If N_ERR_BNDS < 3, then at most |
*> the first (:,N_ERR_BNDS) entries are returned. |
*> the first (:,N_ERR_BNDS) entries are returned. |
*> |
*> |
*> The first index in ERR_BNDS_COMP(i,:) corresponds to the ith |
*> The first index in ERR_BNDS_COMP(i,:) corresponds to the ith |
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*> \param[in] NPARAMS |
*> \param[in] NPARAMS |
*> \verbatim |
*> \verbatim |
*> NPARAMS is INTEGER |
*> NPARAMS is INTEGER |
*> Specifies the number of parameters set in PARAMS. If .LE. 0, the |
*> Specifies the number of parameters set in PARAMS. If <= 0, the |
*> PARAMS array is never referenced and default values are used. |
*> PARAMS array is never referenced and default values are used. |
*> \endverbatim |
*> \endverbatim |
*> |
*> |
*> \param[in,out] PARAMS |
*> \param[in,out] PARAMS |
*> \verbatim |
*> \verbatim |
*> PARAMS is 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 < 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 |
*> are used for higher-numbered parameters. |
*> are used for higher-numbered parameters. |
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*> PARAMS(LA_LINRX_ITREF_I = 1) : Whether to perform iterative |
*> PARAMS(LA_LINRX_ITREF_I = 1) : Whether to perform iterative |
*> refinement or not. |
*> refinement or not. |
*> Default: 1.0D+0 |
*> Default: 1.0D+0 |
*> = 0.0 : No refinement is performed, and no error bounds are |
*> = 0.0: No refinement is performed, and no error bounds are |
*> computed. |
*> computed. |
*> = 1.0 : Use the extra-precise refinement algorithm. |
*> = 1.0: Use the extra-precise refinement algorithm. |
*> (other values are reserved for future use) |
*> (other values are reserved for future use) |
*> |
*> |
*> PARAMS(LA_LINRX_ITHRESH_I = 2) : Maximum number of residual |
*> PARAMS(LA_LINRX_ITHRESH_I = 2) : Maximum number of residual |
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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 April 2012 |
*> \date April 2012 |
* |
* |
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$ N_ERR_BNDS, ERR_BNDS_NORM, ERR_BNDS_COMP, |
$ N_ERR_BNDS, ERR_BNDS_NORM, ERR_BNDS_COMP, |
$ NPARAMS, PARAMS, WORK, RWORK, INFO ) |
$ NPARAMS, PARAMS, WORK, RWORK, INFO ) |
* |
* |
* -- LAPACK driver routine (version 3.6.0) -- |
* -- LAPACK driver 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..-- |
* April 2012 |
* April 2012 |
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DOUBLE PRECISION DLAMCH, ZLA_SYRPVGRW |
DOUBLE PRECISION DLAMCH, ZLA_SYRPVGRW |
* .. |
* .. |
* .. External Subroutines .. |
* .. External Subroutines .. |
EXTERNAL ZSYCON, ZSYEQUB, ZSYTRF, ZSYTRS, ZLACPY, |
EXTERNAL ZSYEQUB, ZSYTRF, ZSYTRS, ZLACPY, |
$ ZLAQSY, XERBLA, ZLASCL2, ZSYRFSX |
$ ZLAQSY, XERBLA, ZLASCL2, ZSYRFSX |
* .. |
* .. |
* .. Intrinsic Functions .. |
* .. Intrinsic Functions .. |