version 1.8, 2011/11/21 20:43:12
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version 1.18, 2023/08/07 08:39:26
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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 ZHPEVD + dependencies |
*> Download ZHPEVD + dependencies |
*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.tgz?format=tgz&filename=/lapack/lapack_routine/zhpevd.f"> |
*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.tgz?format=tgz&filename=/lapack/lapack_routine/zhpevd.f"> |
*> [TGZ]</a> |
*> [TGZ]</a> |
*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.zip?format=zip&filename=/lapack/lapack_routine/zhpevd.f"> |
*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.zip?format=zip&filename=/lapack/lapack_routine/zhpevd.f"> |
*> [ZIP]</a> |
*> [ZIP]</a> |
*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.txt?format=txt&filename=/lapack/lapack_routine/zhpevd.f"> |
*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.txt?format=txt&filename=/lapack/lapack_routine/zhpevd.f"> |
*> [TXT]</a> |
*> [TXT]</a> |
*> \endhtmlonly |
*> \endhtmlonly |
* |
* |
* Definition: |
* Definition: |
* =========== |
* =========== |
* |
* |
* SUBROUTINE ZHPEVD( JOBZ, UPLO, N, AP, W, Z, LDZ, WORK, LWORK, |
* SUBROUTINE ZHPEVD( JOBZ, UPLO, N, AP, W, Z, LDZ, WORK, LWORK, |
* RWORK, LRWORK, IWORK, LIWORK, INFO ) |
* RWORK, LRWORK, IWORK, LIWORK, INFO ) |
* |
* |
* .. Scalar Arguments .. |
* .. Scalar Arguments .. |
* CHARACTER JOBZ, UPLO |
* CHARACTER JOBZ, UPLO |
* INTEGER INFO, LDZ, LIWORK, LRWORK, LWORK, N |
* INTEGER INFO, LDZ, LIWORK, LRWORK, LWORK, N |
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* DOUBLE PRECISION RWORK( * ), W( * ) |
* DOUBLE PRECISION RWORK( * ), W( * ) |
* COMPLEX*16 AP( * ), WORK( * ), Z( LDZ, * ) |
* COMPLEX*16 AP( * ), WORK( * ), Z( LDZ, * ) |
* .. |
* .. |
* |
* |
* |
* |
*> \par Purpose: |
*> \par Purpose: |
* ============= |
* ============= |
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*> |
*> |
*> \param[out] RWORK |
*> \param[out] RWORK |
*> \verbatim |
*> \verbatim |
*> RWORK is DOUBLE PRECISION array, |
*> RWORK is DOUBLE PRECISION array, dimension (MAX(1,LRWORK)) |
*> dimension (LRWORK) |
|
*> On exit, if INFO = 0, RWORK(1) returns the required LRWORK. |
*> On exit, if INFO = 0, RWORK(1) returns the required LRWORK. |
*> \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. |
* |
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*> \date November 2011 |
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* |
* |
*> \ingroup complex16OTHEReigen |
*> \ingroup complex16OTHEReigen |
* |
* |
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SUBROUTINE ZHPEVD( JOBZ, UPLO, N, AP, W, Z, LDZ, WORK, LWORK, |
SUBROUTINE ZHPEVD( JOBZ, UPLO, N, AP, W, Z, LDZ, WORK, LWORK, |
$ RWORK, LRWORK, IWORK, LIWORK, INFO ) |
$ RWORK, LRWORK, IWORK, LIWORK, 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, UPLO |
CHARACTER JOBZ, UPLO |
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$ RETURN |
$ RETURN |
* |
* |
IF( N.EQ.1 ) THEN |
IF( N.EQ.1 ) THEN |
W( 1 ) = AP( 1 ) |
W( 1 ) = DBLE( AP( 1 ) ) |
IF( WANTZ ) |
IF( WANTZ ) |
$ Z( 1, 1 ) = CONE |
$ Z( 1, 1 ) = CONE |
RETURN |
RETURN |