--- rpl/lapack/lapack/zhpgvx.f 2012/12/14 14:22:48 1.12 +++ rpl/lapack/lapack/zhpgvx.f 2018/05/29 07:18:22 1.19 @@ -1,19 +1,19 @@ -*> \brief \b ZHPGST +*> \brief \b ZHPGVX * * =========== 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 ZHPGVX + dependencies -*> -*> [TGZ] -*> -*> [ZIP] -*> +*> Download ZHPGVX + dependencies +*> +*> [TGZ] +*> +*> [ZIP] +*> *> [TXT] -*> \endhtmlonly +*> \endhtmlonly * * Definition: * =========== @@ -21,7 +21,7 @@ * SUBROUTINE ZHPGVX( ITYPE, JOBZ, RANGE, UPLO, N, AP, BP, VL, VU, * IL, IU, ABSTOL, M, W, Z, LDZ, WORK, RWORK, * IWORK, IFAIL, INFO ) -* +* * .. Scalar Arguments .. * CHARACTER JOBZ, RANGE, UPLO * INTEGER IL, INFO, ITYPE, IU, LDZ, M, N @@ -32,7 +32,7 @@ * DOUBLE PRECISION RWORK( * ), W( * ) * COMPLEX*16 AP( * ), BP( * ), WORK( * ), Z( LDZ, * ) * .. -* +* * *> \par Purpose: * ============= @@ -118,13 +118,17 @@ *> \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 @@ -132,14 +136,19 @@ *> \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 @@ -249,12 +258,12 @@ * 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 complex16OTHEReigen * @@ -268,10 +277,10 @@ $ IL, IU, ABSTOL, M, W, Z, LDZ, WORK, RWORK, $ IWORK, IFAIL, 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, UPLO @@ -322,7 +331,7 @@ INFO = -4 ELSE IF( N.LT.0 ) THEN INFO = -5 - ELSE + ELSE IF( VALEIG ) THEN IF( N.GT.0 .AND. VU.LE.VL ) THEN INFO = -9