version 1.3, 2015/11/26 11:44:27
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version 1.8, 2018/05/29 07:18:37
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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 ZSYTRF_ROOK + dependencies |
*> Download ZSYTRF_ROOK + dependencies |
*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.tgz?format=tgz&filename=/lapack/lapack_routine/zsytrf_rook.f"> |
*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.tgz?format=tgz&filename=/lapack/lapack_routine/zsytrf_rook.f"> |
*> [TGZ]</a> |
*> [TGZ]</a> |
*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.zip?format=zip&filename=/lapack/lapack_routine/zsytrf_rook.f"> |
*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.zip?format=zip&filename=/lapack/lapack_routine/zsytrf_rook.f"> |
*> [ZIP]</a> |
*> [ZIP]</a> |
*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.txt?format=txt&filename=/lapack/lapack_routine/zsytrf_rook.f"> |
*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.txt?format=txt&filename=/lapack/lapack_routine/zsytrf_rook.f"> |
*> [TXT]</a> |
*> [TXT]</a> |
*> \endhtmlonly |
*> \endhtmlonly |
* |
* |
* Definition: |
* Definition: |
* =========== |
* =========== |
* |
* |
* SUBROUTINE ZSYTRF_ROOK( UPLO, N, A, LDA, IPIV, WORK, LWORK, INFO ) |
* SUBROUTINE ZSYTRF_ROOK( UPLO, N, A, LDA, IPIV, WORK, LWORK, INFO ) |
* |
* |
* .. Scalar Arguments .. |
* .. Scalar Arguments .. |
* CHARACTER UPLO |
* CHARACTER UPLO |
* INTEGER INFO, LDA, LWORK, N |
* INTEGER INFO, LDA, LWORK, N |
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* INTEGER IPIV( * ) |
* INTEGER IPIV( * ) |
* 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. |
* |
* |
*> \date November 2015 |
*> \date June 2016 |
* |
* |
*> \ingroup complex16SYcomputational |
*> \ingroup complex16SYcomputational |
* |
* |
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*> |
*> |
*> \verbatim |
*> \verbatim |
*> |
*> |
*> November 2015, Igor Kozachenko, |
*> June 2016, Igor Kozachenko, |
*> Computer Science Division, |
*> Computer Science Division, |
*> University of California, Berkeley |
*> University of California, Berkeley |
*> |
*> |
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* ===================================================================== |
* ===================================================================== |
SUBROUTINE ZSYTRF_ROOK( UPLO, N, A, LDA, IPIV, WORK, LWORK, INFO ) |
SUBROUTINE ZSYTRF_ROOK( UPLO, N, A, LDA, IPIV, WORK, LWORK, INFO ) |
* |
* |
* -- LAPACK computational routine (version 3.6.0) -- |
* -- LAPACK computational 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 UPLO |
CHARACTER UPLO |
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* Determine the block size |
* Determine the block size |
* |
* |
NB = ILAENV( 1, 'ZSYTRF_ROOK', UPLO, N, -1, -1, -1 ) |
NB = ILAENV( 1, 'ZSYTRF_ROOK', UPLO, N, -1, -1, -1 ) |
LWKOPT = N*NB |
LWKOPT = MAX( 1, N*NB ) |
WORK( 1 ) = LWKOPT |
WORK( 1 ) = LWKOPT |
END IF |
END IF |
* |
* |
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* Set INFO on the first occurrence of a zero pivot |
* Set INFO on the first occurrence of a zero pivot |
* |
* |
IF( INFO.EQ.0 .AND. IINFO.GT.0 ) |
IF( INFO.EQ.0 .AND. IINFO.GT.0 ) |
$ INFO = IINFO |
$ INFO = IINFO |
* |
* |
* No need to adjust IPIV |
* No need to adjust IPIV |
* |
* |