version 1.9, 2012/12/14 14:22:31
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version 1.16, 2020/05/21 21:45:57
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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 DLA_PORFSX_EXTENDED + dependencies |
*> Download DLA_PORFSX_EXTENDED + dependencies |
*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.tgz?format=tgz&filename=/lapack/lapack_routine/dla_porfsx_extended.f"> |
*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.tgz?format=tgz&filename=/lapack/lapack_routine/dla_porfsx_extended.f"> |
*> [TGZ]</a> |
*> [TGZ]</a> |
*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.zip?format=zip&filename=/lapack/lapack_routine/dla_porfsx_extended.f"> |
*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.zip?format=zip&filename=/lapack/lapack_routine/dla_porfsx_extended.f"> |
*> [ZIP]</a> |
*> [ZIP]</a> |
*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.txt?format=txt&filename=/lapack/lapack_routine/dla_porfsx_extended.f"> |
*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.txt?format=txt&filename=/lapack/lapack_routine/dla_porfsx_extended.f"> |
*> [TXT]</a> |
*> [TXT]</a> |
*> \endhtmlonly |
*> \endhtmlonly |
* |
* |
* Definition: |
* Definition: |
* =========== |
* =========== |
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* AYB, DY, Y_TAIL, RCOND, ITHRESH, |
* AYB, DY, Y_TAIL, RCOND, ITHRESH, |
* RTHRESH, DZ_UB, IGNORE_CWISE, |
* RTHRESH, DZ_UB, IGNORE_CWISE, |
* INFO ) |
* INFO ) |
* |
* |
* .. Scalar Arguments .. |
* .. Scalar Arguments .. |
* INTEGER INFO, LDA, LDAF, LDB, LDY, N, NRHS, PREC_TYPE, |
* INTEGER INFO, LDA, LDAF, LDB, LDY, N, NRHS, PREC_TYPE, |
* $ N_NORMS, ITHRESH |
* $ N_NORMS, ITHRESH |
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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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*> \verbatim |
*> \verbatim |
*> PREC_TYPE is INTEGER |
*> PREC_TYPE is INTEGER |
*> Specifies the intermediate precision to be used in refinement. |
*> Specifies the intermediate precision to be used in refinement. |
*> The value is defined by ILAPREC(P) where P is a CHARACTER and |
*> The value is defined by ILAPREC(P) where P is a CHARACTER and P |
*> P = 'S': Single |
*> = 'S': Single |
*> = 'D': Double |
*> = 'D': Double |
*> = 'I': Indigenous |
*> = 'I': Indigenous |
*> = 'X', 'E': Extra |
*> = 'X' or 'E': Extra |
*> \endverbatim |
*> \endverbatim |
*> |
*> |
*> \param[in] UPLO |
*> \param[in] UPLO |
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*> |
*> |
*> \param[in,out] Y |
*> \param[in,out] Y |
*> \verbatim |
*> \verbatim |
*> Y is DOUBLE PRECISION array, dimension |
*> Y is DOUBLE PRECISION array, dimension (LDY,NRHS) |
*> (LDY,NRHS) |
|
*> On entry, the solution matrix X, as computed by DPOTRS. |
*> On entry, the solution matrix X, as computed by DPOTRS. |
*> On exit, the improved solution matrix Y. |
*> On exit, the improved solution matrix Y. |
*> \endverbatim |
*> \endverbatim |
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*> |
*> |
*> \param[in,out] ERR_BNDS_NORM |
*> \param[in,out] ERR_BNDS_NORM |
*> \verbatim |
*> \verbatim |
*> ERR_BNDS_NORM is DOUBLE PRECISION array, dimension |
*> ERR_BNDS_NORM is DOUBLE PRECISION array, dimension (NRHS, N_ERR_BNDS) |
*> (NRHS, N_ERR_BNDS) |
|
*> For each right-hand side, this array contains information about |
*> For each right-hand side, this array contains information about |
*> various error bounds and condition numbers corresponding to the |
*> various error bounds and condition numbers corresponding to the |
*> normwise relative error, which is defined as follows: |
*> normwise relative error, which is defined as follows: |
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*> |
*> |
*> \param[in,out] ERR_BNDS_COMP |
*> \param[in,out] ERR_BNDS_COMP |
*> \verbatim |
*> \verbatim |
*> ERR_BNDS_COMP is DOUBLE PRECISION array, dimension |
*> ERR_BNDS_COMP is DOUBLE PRECISION array, dimension (NRHS, N_ERR_BNDS) |
*> (NRHS, N_ERR_BNDS) |
|
*> For each right-hand side, this array contains information about |
*> For each right-hand side, this array contains information about |
*> various error bounds and condition numbers corresponding to the |
*> various error bounds and condition numbers corresponding to the |
*> componentwise relative error, which is defined as follows: |
*> componentwise relative error, which is defined as follows: |
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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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* 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 September 2012 |
*> \date June 2017 |
* |
* |
*> \ingroup doublePOcomputational |
*> \ingroup doublePOcomputational |
* |
* |
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$ RTHRESH, DZ_UB, IGNORE_CWISE, |
$ RTHRESH, DZ_UB, IGNORE_CWISE, |
$ INFO ) |
$ INFO ) |
* |
* |
* -- LAPACK computational routine (version 3.4.2) -- |
* -- LAPACK computational routine (version 3.7.1) -- |
* -- 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..-- |
* September 2012 |
* June 2017 |
* |
* |
* .. Scalar Arguments .. |
* .. Scalar Arguments .. |
INTEGER INFO, LDA, LDAF, LDB, LDY, N, NRHS, PREC_TYPE, |
INTEGER INFO, LDA, LDAF, LDB, LDY, N, NRHS, PREC_TYPE, |