rpl/lapack/lapack/zla_porfsx_extended.f - diff

Return to zla_porfsx_extended.f CVS log

Up to [local] / rpl / lapack / lapack

Diff for /rpl/lapack/lapack/zla_porfsx_extended.f between versions 1.12 and 1.17

version 1.12, 2017/06/17 10:54:17	version 1.17, 2023/08/07 08:39:28
Line 54	Line 54
*> 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
*	*
Line 65	Line 65
*> \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
Line 153	Line 153
*>	*>
*> \param[in,out] Y	*> \param[in,out] Y
*> \verbatim	*> \verbatim
> Y is COMPLEX16 array, dimension	> Y is COMPLEX16 array, dimension (LDY,NRHS)
*> (LDY,NRHS)
*> On entry, the solution matrix X, as computed by ZPOTRS.	*> On entry, the solution matrix X, as computed by ZPOTRS.
*> On exit, the improved solution matrix Y.	*> On exit, the improved solution matrix Y.
*> \endverbatim	*> \endverbatim
Line 186	Line 185
*>	*>
*> \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:
Line 233	Line 231
*>	*>
*> \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:
Line 249	Line 246
*> 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
Line 348	Line 345
*> 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.
Line 377	Line 374
*> \author Univ. of Colorado Denver	*> \author Univ. of Colorado Denver
*> \author NAG Ltd.	*> \author NAG Ltd.
*	*
*> \date December 2016
*
*> \ingroup complex16POcomputational	*> \ingroup complex16POcomputational
*	*
* =====================================================================	* =====================================================================
Line 390	Line 385
$ RTHRESH, DZ_UB, IGNORE_CWISE,	$ RTHRESH, DZ_UB, IGNORE_CWISE,
$ INFO )	$ INFO )
*	*
* -- LAPACK computational routine (version 3.7.0) --	* -- 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..--
* December 2016
*	*
* .. Scalar Arguments ..	* .. Scalar Arguments ..
INTEGER INFO, LDA, LDAF, LDB, LDY, N, NRHS, PREC_TYPE,	INTEGER INFO, LDA, LDAF, LDB, LDY, N, NRHS, PREC_TYPE,
Line 688	Line 682
END DO	END DO
*	*
RETURN	RETURN
	*
	* End of ZLA_PORFSX_EXTENDED
	*
END	END

CVSweb interface <joel.bertrand@systella.fr>

Removed from v.1.12
changed lines
	Added in v.1.17