version 1.14, 2015/11/26 11:44:24
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version 1.17, 2017/06/17 10:54:16
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* |
* |
* =========== 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 ZHPGVX + dependencies |
*> Download ZHPGVX + dependencies |
*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.tgz?format=tgz&filename=/lapack/lapack_routine/zhpgvx.f"> |
*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.tgz?format=tgz&filename=/lapack/lapack_routine/zhpgvx.f"> |
*> [TGZ]</a> |
*> [TGZ]</a> |
*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.zip?format=zip&filename=/lapack/lapack_routine/zhpgvx.f"> |
*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.zip?format=zip&filename=/lapack/lapack_routine/zhpgvx.f"> |
*> [ZIP]</a> |
*> [ZIP]</a> |
*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.txt?format=txt&filename=/lapack/lapack_routine/zhpgvx.f"> |
*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.txt?format=txt&filename=/lapack/lapack_routine/zhpgvx.f"> |
*> [TXT]</a> |
*> [TXT]</a> |
*> \endhtmlonly |
*> \endhtmlonly |
* |
* |
* Definition: |
* Definition: |
* =========== |
* =========== |
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* SUBROUTINE ZHPGVX( ITYPE, JOBZ, RANGE, UPLO, N, AP, BP, VL, VU, |
* SUBROUTINE ZHPGVX( ITYPE, JOBZ, RANGE, UPLO, N, AP, BP, VL, VU, |
* IL, IU, ABSTOL, M, W, Z, LDZ, WORK, RWORK, |
* IL, IU, ABSTOL, M, W, Z, LDZ, WORK, RWORK, |
* IWORK, IFAIL, INFO ) |
* IWORK, IFAIL, INFO ) |
* |
* |
* .. Scalar Arguments .. |
* .. Scalar Arguments .. |
* CHARACTER JOBZ, RANGE, UPLO |
* CHARACTER JOBZ, RANGE, UPLO |
* INTEGER IL, INFO, ITYPE, IU, LDZ, M, N |
* INTEGER IL, INFO, ITYPE, IU, LDZ, M, N |
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* DOUBLE PRECISION RWORK( * ), W( * ) |
* DOUBLE PRECISION RWORK( * ), W( * ) |
* COMPLEX*16 AP( * ), BP( * ), WORK( * ), Z( LDZ, * ) |
* COMPLEX*16 AP( * ), BP( * ), 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 |
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*> |
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*> If RANGE='V', the lower bound of the interval to |
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*> be searched for eigenvalues. VL < VU. |
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*> 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 |
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*> |
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*> If RANGE='I', the index of the |
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*> smallest eigenvalue to be returned. |
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*> 1 <= IL <= IU <= N, if N > 0; IL = 1 and IU = 0 if N = 0. |
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*> 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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* 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 2015 |
*> \date June 2016 |
* |
* |
*> \ingroup complex16OTHEReigen |
*> \ingroup complex16OTHEReigen |
* |
* |
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$ IL, IU, ABSTOL, M, W, Z, LDZ, WORK, RWORK, |
$ IL, IU, ABSTOL, M, W, Z, LDZ, WORK, RWORK, |
$ IWORK, IFAIL, INFO ) |
$ IWORK, IFAIL, INFO ) |
* |
* |
* -- LAPACK driver routine (version 3.6.0) -- |
* -- LAPACK driver routine (version 3.7.0) -- |
* -- 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 2015 |
* June 2016 |
* |
* |
* .. Scalar Arguments .. |
* .. Scalar Arguments .. |
CHARACTER JOBZ, RANGE, UPLO |
CHARACTER JOBZ, RANGE, UPLO |
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INFO = -4 |
INFO = -4 |
ELSE IF( N.LT.0 ) THEN |
ELSE IF( N.LT.0 ) THEN |
INFO = -5 |
INFO = -5 |
ELSE |
ELSE |
IF( VALEIG ) THEN |
IF( VALEIG ) THEN |
IF( N.GT.0 .AND. VU.LE.VL ) THEN |
IF( N.GT.0 .AND. VU.LE.VL ) THEN |
INFO = -9 |
INFO = -9 |