--- rpl/lapack/lapack/dstevr.f 2011/11/21 22:19:40 1.9 +++ rpl/lapack/lapack/dstevr.f 2017/06/17 10:54:03 1.16 @@ -2,18 +2,18 @@ * * =========== DOCUMENTATION =========== * -* Online html documentation available at -* http://www.netlib.org/lapack/explore-html/ +* Online html documentation available at +* http://www.netlib.org/lapack/explore-html/ * *> \htmlonly -*> Download DSTEVR + dependencies -*> -*> [TGZ] -*> -*> [ZIP] -*> +*> Download DSTEVR + dependencies +*> +*> [TGZ] +*> +*> [ZIP] +*> *> [TXT] -*> \endhtmlonly +*> \endhtmlonly * * Definition: * =========== @@ -21,7 +21,7 @@ * SUBROUTINE DSTEVR( JOBZ, RANGE, N, D, E, VL, VU, IL, IU, ABSTOL, * M, W, Z, LDZ, ISUPPZ, WORK, LWORK, IWORK, * LIWORK, INFO ) -* +* * .. Scalar Arguments .. * CHARACTER JOBZ, RANGE * INTEGER IL, INFO, IU, LDZ, LIWORK, LWORK, M, N @@ -31,7 +31,7 @@ * INTEGER ISUPPZ( * ), IWORK( * ) * DOUBLE PRECISION D( * ), E( * ), W( * ), WORK( * ), Z( LDZ, * ) * .. -* +* * *> \par Purpose: * ============= @@ -128,12 +128,15 @@ *> \param[in] VL *> \verbatim *> 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 *> *> \param[in] VU *> \verbatim *> 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. *> Not referenced if RANGE = 'A' or 'I'. *> \endverbatim @@ -141,13 +144,17 @@ *> \param[in] IL *> \verbatim *> 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 *> *> \param[in] IU *> \verbatim *> IU is INTEGER -*> If RANGE='I', the indices (in ascending order) of the -*> smallest and largest eigenvalues to be returned. +*> If RANGE='I', the index of the +*> largest 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 @@ -275,12 +282,12 @@ * Authors: * ======== * -*> \author Univ. of Tennessee -*> \author Univ. of California Berkeley -*> \author Univ. of Colorado Denver -*> \author NAG Ltd. +*> \author Univ. of Tennessee +*> \author Univ. of California Berkeley +*> \author Univ. of Colorado Denver +*> \author NAG Ltd. * -*> \date November 2011 +*> \date June 2016 * *> \ingroup doubleOTHEReigen * @@ -297,10 +304,10 @@ $ M, W, Z, LDZ, ISUPPZ, WORK, LWORK, IWORK, $ LIWORK, INFO ) * -* -- LAPACK driver routine (version 3.4.0) -- +* -- LAPACK driver routine (version 3.7.0) -- * -- LAPACK is a software package provided by Univ. of Tennessee, -- * -- Univ. of California Berkeley, Univ. of Colorado Denver and NAG Ltd..-- -* November 2011 +* June 2016 * * .. Scalar Arguments .. CHARACTER JOBZ, RANGE @@ -435,8 +442,10 @@ * Scale matrix to allowable range, if necessary. * ISCALE = 0 - VLL = VL - VUU = VU + IF( VALEIG ) THEN + VLL = VL + VUU = VU + END IF * TNRM = DLANST( 'M', N, D, E ) IF( TNRM.GT.ZERO .AND. TNRM.LT.RMIN ) THEN