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version 1.11, 2012/12/14 14:22:39	version 1.20, 2023/08/07 08:39:06
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*> \brief \b DSBGST	*> \brief \b DSBGVX
*	*
* =========== 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 DSBGVX + dependencies	*> Download DSBGVX + dependencies
*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.tgz?format=tgz&filename=/lapack/lapack_routine/dsbgvx.f">	*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.tgz?format=tgz&filename=/lapack/lapack_routine/dsbgvx.f">
*> [TGZ]</a>	*> [TGZ]</a>
*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.zip?format=zip&filename=/lapack/lapack_routine/dsbgvx.f">	*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.zip?format=zip&filename=/lapack/lapack_routine/dsbgvx.f">
*> [ZIP]</a>	*> [ZIP]</a>
*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.txt?format=txt&filename=/lapack/lapack_routine/dsbgvx.f">	*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.txt?format=txt&filename=/lapack/lapack_routine/dsbgvx.f">
*> [TXT]</a>	*> [TXT]</a>
*> \endhtmlonly	*> \endhtmlonly
*	*
* Definition:	* Definition:
* ===========	* ===========
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* SUBROUTINE DSBGVX( JOBZ, RANGE, UPLO, N, KA, KB, AB, LDAB, BB,	* SUBROUTINE DSBGVX( JOBZ, RANGE, UPLO, N, KA, KB, AB, LDAB, BB,
* LDBB, Q, LDQ, VL, VU, IL, IU, ABSTOL, M, W, Z,	* LDBB, Q, LDQ, VL, VU, IL, IU, ABSTOL, M, W, Z,
* LDZ, WORK, IWORK, IFAIL, INFO )	* LDZ, WORK, IWORK, IFAIL, INFO )
*	*
* .. Scalar Arguments ..	* .. Scalar Arguments ..
* CHARACTER JOBZ, RANGE, UPLO	* CHARACTER JOBZ, RANGE, UPLO
* INTEGER IL, INFO, IU, KA, KB, LDAB, LDBB, LDQ, LDZ, M,	* INTEGER IL, INFO, IU, KA, KB, LDAB, LDBB, LDQ, LDZ, M,
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* DOUBLE PRECISION AB( LDAB, * ), BB( LDBB, * ), Q( LDQ, * ),	* DOUBLE PRECISION AB( LDAB, * ), BB( LDBB, * ), Q( LDQ, * ),
* $ W( * ), WORK( * ), Z( LDZ, * )	* $ W( * ), WORK( * ), Z( LDZ, * )
* ..	* ..
*	*
*	*
*> \par Purpose:	*> \par Purpose:
* =============	* =============
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*> \param[in] VL	*> \param[in] VL
*> \verbatim	*> \verbatim
*> VL is DOUBLE PRECISION	*> VL is DOUBLE PRECISION
	*>
	*> If RANGE='V', the lower bound of the interval to
	*> be searched for eigenvalues. VL < VU.
	*> Not referenced if RANGE = 'A' or 'I'.
*> \endverbatim	*> \endverbatim
*>	*>
*> \param[in] VU	*> \param[in] VU
*> \verbatim	*> \verbatim
*> VU is DOUBLE PRECISION	*> VU is DOUBLE PRECISION
*>	*>
*> If RANGE='V', the lower and upper bounds of the interval to	*> If RANGE='V', the upper bound of the interval to
*> be searched for eigenvalues. VL < VU.	*> be searched for eigenvalues. VL < VU.
*> Not referenced if RANGE = 'A' or 'I'.	*> Not referenced if RANGE = 'A' or 'I'.
*> \endverbatim	*> \endverbatim
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*> \param[in] IL	*> \param[in] IL
*> \verbatim	*> \verbatim
*> IL is INTEGER	*> IL is INTEGER
	*>
	*> If RANGE='I', the index of the
	*> smallest eigenvalue to be returned.
	*> 1 <= IL <= IU <= N, if N > 0; IL = 1 and IU = 0 if N = 0.
	*> Not referenced if RANGE = 'A' or 'V'.
*> \endverbatim	*> \endverbatim
*>	*>
*> \param[in] IU	*> \param[in] IU
*> \verbatim	*> \verbatim
*> IU is INTEGER	*> IU is INTEGER
*>	*>
*> If RANGE='I', the indices (in ascending order) of the	*> If RANGE='I', the index of the
*> smallest and largest eigenvalues to be returned.	*> largest eigenvalue to be returned.
*> 1 <= IL <= IU <= N, if N > 0; IL = 1 and IU = 0 if N = 0.	*> 1 <= IL <= IU <= N, if N > 0; IL = 1 and IU = 0 if N = 0.
*> Not referenced if RANGE = 'A' or 'V'.	*> Not referenced if RANGE = 'A' or 'V'.
*> \endverbatim	*> \endverbatim
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*> \param[out] INFO	*> \param[out] INFO
*> \verbatim	*> \verbatim
*> INFO is INTEGER	*> INFO is INTEGER
*> = 0 : successful exit	*> = 0: successful exit
*> < 0 : if INFO = -i, the i-th argument had an illegal value	*> < 0: if INFO = -i, the i-th argument had an illegal value
*> <= N: if INFO = i, then i eigenvectors failed to converge.	*> <= N: if INFO = i, then i eigenvectors failed to converge.
*> Their indices are stored in IFAIL.	*> Their indices are stored in IFAIL.
*> > N : DPBSTF returned an error code; i.e.,	*> > N: DPBSTF returned an error code; i.e.,
*> if INFO = N + i, for 1 <= i <= N, then the leading	*> if INFO = N + i, for 1 <= i <= N, then the leading
*> minor of order i of B is not positive definite.	*> minor of order i of B is not positive definite.
*> The factorization of B could not be completed and	*> The factorization of B could not be completed and
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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
*	*
*> \ingroup doubleOTHEReigen	*> \ingroup doubleOTHEReigen
*	*
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$ LDBB, Q, LDQ, VL, VU, IL, IU, ABSTOL, M, W, Z,	$ LDBB, Q, LDQ, VL, VU, IL, IU, ABSTOL, M, W, Z,
$ LDZ, WORK, IWORK, IFAIL, INFO )	$ LDZ, WORK, IWORK, IFAIL, INFO )
*	*
* -- LAPACK driver routine (version 3.4.0) --	* -- LAPACK driver 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..--
* November 2011
*	*
* .. Scalar Arguments ..	* .. Scalar Arguments ..
CHARACTER JOBZ, RANGE, UPLO	CHARACTER JOBZ, RANGE, UPLO

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