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version 1.5, 2011/11/21 20:42:53	version 1.15, 2018/05/29 07:17:54
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*> \brief \b DLA_GBRFSX_EXTENDED	*> \brief \b DLA_GBRFSX_EXTENDED improves the computed solution to a system of linear equations for general banded matrices by performing extra-precise iterative refinement and provides error bounds and backward error estimates for the solution.
*	*
* =========== 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_GBRFSX_EXTENDED + dependencies	*> Download DLA_GBRFSX_EXTENDED + dependencies
*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.tgz?format=tgz&filename=/lapack/lapack_routine/dla_gbrfsx_extended.f">	*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.tgz?format=tgz&filename=/lapack/lapack_routine/dla_gbrfsx_extended.f">
*> [TGZ]</a>	*> [TGZ]</a>
*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.zip?format=zip&filename=/lapack/lapack_routine/dla_gbrfsx_extended.f">	*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.zip?format=zip&filename=/lapack/lapack_routine/dla_gbrfsx_extended.f">
*> [ZIP]</a>	*> [ZIP]</a>
*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.txt?format=txt&filename=/lapack/lapack_routine/dla_gbrfsx_extended.f">	*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.txt?format=txt&filename=/lapack/lapack_routine/dla_gbrfsx_extended.f">
*> [TXT]</a>	*> [TXT]</a>
*> \endhtmlonly	*> \endhtmlonly
*	*
* Definition:	* Definition:
* ===========	* ===========
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* ERR_BNDS_COMP, RES, AYB, DY,	* ERR_BNDS_COMP, RES, AYB, DY,
* Y_TAIL, RCOND, ITHRESH, RTHRESH,	* Y_TAIL, RCOND, ITHRESH, RTHRESH,
* DZ_UB, IGNORE_CWISE, INFO )	* DZ_UB, IGNORE_CWISE, INFO )
*	*
* .. Scalar Arguments ..	* .. Scalar Arguments ..
* INTEGER INFO, LDAB, LDAFB, LDB, LDY, N, KL, KU, NRHS,	* INTEGER INFO, LDAB, LDAFB, LDB, LDY, N, KL, KU, NRHS,
* $ PREC_TYPE, TRANS_TYPE, N_NORMS, ITHRESH	* $ PREC_TYPE, TRANS_TYPE, 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:
* =============	* =============
*>	*>
*> \verbatim	*> \verbatim
*>	*>
*>	*>
*> DLA_GBRFSX_EXTENDED improves the computed solution to a system of	*> DLA_GBRFSX_EXTENDED improves the computed solution to a system of
*> linear equations by performing extra-precise iterative refinement	*> linear equations by performing extra-precise iterative refinement
*> and provides error bounds and backward error estimates for the solution.	*> and provides error bounds and backward error estimates for the solution.
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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 DGBTRS.	*> On entry, the solution matrix X, as computed by DGBTRS.
*> 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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* 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 June 2017
*	*
*> \ingroup doubleGBcomputational	*> \ingroup doubleGBcomputational
*	*
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$ Y_TAIL, RCOND, ITHRESH, RTHRESH,	$ Y_TAIL, RCOND, ITHRESH, RTHRESH,
$ DZ_UB, IGNORE_CWISE, INFO )	$ DZ_UB, IGNORE_CWISE, INFO )
*	*
* -- LAPACK computational routine (version 3.4.0) --	* -- 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..--
* November 2011	* June 2017
*	*
* .. Scalar Arguments ..	* .. Scalar Arguments ..
INTEGER INFO, LDAB, LDAFB, LDB, LDY, N, KL, KU, NRHS,	INTEGER INFO, LDAB, LDAFB, LDB, LDY, N, KL, KU, NRHS,

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