version 1.16, 2020/05/21 21:45:57
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version 1.17, 2023/08/07 08:38:52
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*> In addition to normwise error bound, the code provides maximum |
*> In addition to normwise error bound, the code provides maximum |
*> componentwise error bound if possible. See comments for ERR_BNDS_NORM |
*> componentwise error bound if possible. See comments for ERR_BNDS_NORM |
*> and ERR_BNDS_COMP for details of the error bounds. Note that this |
*> and ERR_BNDS_COMP for details of the error bounds. Note that this |
*> subroutine is only resonsible for setting the second fields of |
*> subroutine is only responsible for setting the second fields of |
*> ERR_BNDS_NORM and ERR_BNDS_COMP. |
*> ERR_BNDS_NORM and ERR_BNDS_COMP. |
*> \endverbatim |
*> \endverbatim |
* |
* |
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*> DZ_UB is DOUBLE PRECISION |
*> DZ_UB is DOUBLE PRECISION |
*> Determines when to start considering componentwise convergence. |
*> Determines when to start considering componentwise convergence. |
*> Componentwise convergence is only considered after each component |
*> Componentwise convergence is only considered after each component |
*> of the solution Y is stable, which we definte as the relative |
*> of the solution Y is stable, which we define as the relative |
*> change in each component being less than DZ_UB. The default value |
*> change in each component being less than DZ_UB. The default value |
*> is 0.25, requiring the first bit to be stable. See LAWN 165 for |
*> is 0.25, requiring the first bit to be stable. See LAWN 165 for |
*> more details. |
*> more details. |
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*> \author Univ. of Colorado Denver |
*> \author Univ. of Colorado Denver |
*> \author NAG Ltd. |
*> \author NAG Ltd. |
* |
* |
*> \date June 2017 |
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* |
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*> \ingroup doublePOcomputational |
*> \ingroup doublePOcomputational |
* |
* |
* ===================================================================== |
* ===================================================================== |
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$ RTHRESH, DZ_UB, IGNORE_CWISE, |
$ RTHRESH, DZ_UB, IGNORE_CWISE, |
$ INFO ) |
$ INFO ) |
* |
* |
* -- LAPACK computational routine (version 3.7.1) -- |
* -- LAPACK computational routine -- |
* -- 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..-- |
* June 2017 |
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* |
* |
* .. Scalar Arguments .. |
* .. Scalar Arguments .. |
INTEGER INFO, LDA, LDAF, LDB, LDY, N, NRHS, PREC_TYPE, |
INTEGER INFO, LDA, LDAF, LDB, LDY, N, NRHS, PREC_TYPE, |
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END DO |
END DO |
* |
* |
RETURN |
RETURN |
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* |
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* End of DLA_PORFSX_EXTENDED |
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* |
END |
END |