version 1.9, 2011/11/21 22:19:47
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version 1.17, 2023/08/07 08:39:23
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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 ZHEEVD + dependencies |
*> Download ZHEEVD + dependencies |
*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.tgz?format=tgz&filename=/lapack/lapack_routine/zheevd.f"> |
*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.tgz?format=tgz&filename=/lapack/lapack_routine/zheevd.f"> |
*> [TGZ]</a> |
*> [TGZ]</a> |
*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.zip?format=zip&filename=/lapack/lapack_routine/zheevd.f"> |
*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.zip?format=zip&filename=/lapack/lapack_routine/zheevd.f"> |
*> [ZIP]</a> |
*> [ZIP]</a> |
*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.txt?format=txt&filename=/lapack/lapack_routine/zheevd.f"> |
*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.txt?format=txt&filename=/lapack/lapack_routine/zheevd.f"> |
*> [TXT]</a> |
*> [TXT]</a> |
*> \endhtmlonly |
*> \endhtmlonly |
* |
* |
* Definition: |
* Definition: |
* =========== |
* =========== |
* |
* |
* SUBROUTINE ZHEEVD( JOBZ, UPLO, N, A, LDA, W, WORK, LWORK, RWORK, |
* SUBROUTINE ZHEEVD( JOBZ, UPLO, N, A, LDA, W, WORK, LWORK, RWORK, |
* LRWORK, IWORK, LIWORK, INFO ) |
* LRWORK, IWORK, LIWORK, INFO ) |
* |
* |
* .. Scalar Arguments .. |
* .. Scalar Arguments .. |
* CHARACTER JOBZ, UPLO |
* CHARACTER JOBZ, UPLO |
* INTEGER INFO, LDA, LIWORK, LRWORK, LWORK, N |
* INTEGER INFO, LDA, LIWORK, LRWORK, LWORK, N |
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* DOUBLE PRECISION RWORK( * ), W( * ) |
* DOUBLE PRECISION RWORK( * ), W( * ) |
* COMPLEX*16 A( LDA, * ), WORK( * ) |
* COMPLEX*16 A( LDA, * ), 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. |
* |
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*> \date November 2011 |
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* |
* |
*> \ingroup complex16HEeigen |
*> \ingroup complex16HEeigen |
* |
* |
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SUBROUTINE ZHEEVD( JOBZ, UPLO, N, A, LDA, W, WORK, LWORK, RWORK, |
SUBROUTINE ZHEEVD( JOBZ, UPLO, N, A, LDA, W, WORK, LWORK, RWORK, |
$ LRWORK, IWORK, LIWORK, INFO ) |
$ 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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LIWMIN = 1 |
LIWMIN = 1 |
END IF |
END IF |
LOPT = MAX( LWMIN, N + |
LOPT = MAX( LWMIN, N + |
$ ILAENV( 1, 'ZHETRD', UPLO, N, -1, -1, -1 ) ) |
$ N*ILAENV( 1, 'ZHETRD', UPLO, N, -1, -1, -1 ) ) |
LROPT = LRWMIN |
LROPT = LRWMIN |
LIOPT = LIWMIN |
LIOPT = LIWMIN |
END IF |
END IF |
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$ RETURN |
$ RETURN |
* |
* |
IF( N.EQ.1 ) THEN |
IF( N.EQ.1 ) THEN |
W( 1 ) = A( 1, 1 ) |
W( 1 ) = DBLE( A( 1, 1 ) ) |
IF( WANTZ ) |
IF( WANTZ ) |
$ A( 1, 1 ) = CONE |
$ A( 1, 1 ) = CONE |
RETURN |
RETURN |