version 1.11, 2012/08/22 09:48:26
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version 1.19, 2023/08/07 08:39:08
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*> \brief \b DSYGST |
*> \brief \b DSYGVD |
* |
* |
* =========== 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 DSYGVD + dependencies |
*> Download DSYGVD + dependencies |
*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.tgz?format=tgz&filename=/lapack/lapack_routine/dsygvd.f"> |
*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.tgz?format=tgz&filename=/lapack/lapack_routine/dsygvd.f"> |
*> [TGZ]</a> |
*> [TGZ]</a> |
*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.zip?format=zip&filename=/lapack/lapack_routine/dsygvd.f"> |
*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.zip?format=zip&filename=/lapack/lapack_routine/dsygvd.f"> |
*> [ZIP]</a> |
*> [ZIP]</a> |
*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.txt?format=txt&filename=/lapack/lapack_routine/dsygvd.f"> |
*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.txt?format=txt&filename=/lapack/lapack_routine/dsygvd.f"> |
*> [TXT]</a> |
*> [TXT]</a> |
*> \endhtmlonly |
*> \endhtmlonly |
* |
* |
* Definition: |
* Definition: |
* =========== |
* =========== |
* |
* |
* SUBROUTINE DSYGVD( ITYPE, JOBZ, UPLO, N, A, LDA, B, LDB, W, WORK, |
* SUBROUTINE DSYGVD( ITYPE, JOBZ, UPLO, N, A, LDA, B, LDB, W, WORK, |
* LWORK, IWORK, LIWORK, INFO ) |
* LWORK, IWORK, LIWORK, INFO ) |
* |
* |
* .. Scalar Arguments .. |
* .. Scalar Arguments .. |
* CHARACTER JOBZ, UPLO |
* CHARACTER JOBZ, UPLO |
* INTEGER INFO, ITYPE, LDA, LDB, LIWORK, LWORK, N |
* INTEGER INFO, ITYPE, LDA, LDB, LIWORK, LWORK, N |
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* INTEGER IWORK( * ) |
* INTEGER IWORK( * ) |
* DOUBLE PRECISION A( LDA, * ), B( LDB, * ), W( * ), WORK( * ) |
* DOUBLE PRECISION A( LDA, * ), B( LDB, * ), W( * ), WORK( * ) |
* .. |
* .. |
* |
* |
* |
* |
*> \par Purpose: |
*> \par Purpose: |
* ============= |
* ============= |
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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 doubleSYeigen |
*> \ingroup doubleSYeigen |
* |
* |
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SUBROUTINE DSYGVD( ITYPE, JOBZ, UPLO, N, A, LDA, B, LDB, W, WORK, |
SUBROUTINE DSYGVD( ITYPE, JOBZ, UPLO, N, A, LDA, B, LDB, W, WORK, |
$ LWORK, IWORK, LIWORK, INFO ) |
$ LWORK, 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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CALL DSYGST( ITYPE, UPLO, N, A, LDA, B, LDB, INFO ) |
CALL DSYGST( ITYPE, UPLO, N, A, LDA, B, LDB, INFO ) |
CALL DSYEVD( JOBZ, UPLO, N, A, LDA, W, WORK, LWORK, IWORK, LIWORK, |
CALL DSYEVD( JOBZ, UPLO, N, A, LDA, W, WORK, LWORK, IWORK, LIWORK, |
$ INFO ) |
$ INFO ) |
LOPT = MAX( DBLE( LOPT ), DBLE( WORK( 1 ) ) ) |
LOPT = INT( MAX( DBLE( LOPT ), DBLE( WORK( 1 ) ) ) ) |
LIOPT = MAX( DBLE( LIOPT ), DBLE( IWORK( 1 ) ) ) |
LIOPT = INT( MAX( DBLE( LIOPT ), DBLE( IWORK( 1 ) ) ) ) |
* |
* |
IF( WANTZ .AND. INFO.EQ.0 ) THEN |
IF( WANTZ .AND. INFO.EQ.0 ) THEN |
* |
* |