version 1.3, 2015/11/26 11:44:27
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version 1.7, 2018/05/29 07:18:36
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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 ZSYSV_ROOK + dependencies |
*> Download ZSYSV_ROOK + dependencies |
*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.tgz?format=tgz&filename=/lapack/lapack_routine/zsysv_rook.f"> |
*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.tgz?format=tgz&filename=/lapack/lapack_routine/zsysv_rook.f"> |
*> [TGZ]</a> |
*> [TGZ]</a> |
*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.zip?format=zip&filename=/lapack/lapack_routine/zsysv_rook.f"> |
*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.zip?format=zip&filename=/lapack/lapack_routine/zsysv_rook.f"> |
*> [ZIP]</a> |
*> [ZIP]</a> |
*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.txt?format=txt&filename=/lapack/lapack_routine/zsysv_rook.f"> |
*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.txt?format=txt&filename=/lapack/lapack_routine/zsysv_rook.f"> |
*> [TXT]</a> |
*> [TXT]</a> |
*> \endhtmlonly |
*> \endhtmlonly |
* |
* |
* Definition: |
* Definition: |
* =========== |
* =========== |
* |
* |
* SUBROUTINE ZSYSV_ROOK( UPLO, N, NRHS, A, LDA, IPIV, B, LDB, WORK, |
* SUBROUTINE ZSYSV_ROOK( UPLO, N, NRHS, A, LDA, IPIV, B, LDB, WORK, |
* LWORK, INFO ) |
* LWORK, INFO ) |
* |
* |
* .. Scalar Arguments .. |
* .. Scalar Arguments .. |
* CHARACTER UPLO |
* CHARACTER UPLO |
* INTEGER INFO, LDA, LDB, LWORK, N, NRHS |
* INTEGER INFO, LDA, LDB, LWORK, N, NRHS |
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* INTEGER IPIV( * ) |
* INTEGER IPIV( * ) |
* COMPLEX*16 A( LDA, * ), B( LDB, * ), WORK( * ) |
* COMPLEX*16 A( LDA, * ), B( LDB, * ), WORK( * ) |
* .. |
* .. |
* |
* |
* |
* |
*> \par Purpose: |
*> \par Purpose: |
* ============= |
* ============= |
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*> A = L * D * L**T, if UPLO = 'L', |
*> A = L * D * L**T, if UPLO = 'L', |
*> where U (or L) is a product of permutation and unit upper (lower) |
*> where U (or L) is a product of permutation and unit upper (lower) |
*> triangular matrices, and D is symmetric and block diagonal with |
*> triangular matrices, and D is symmetric and block diagonal with |
*> 1-by-1 and 2-by-2 diagonal blocks. |
*> 1-by-1 and 2-by-2 diagonal blocks. |
*> |
*> |
*> ZSYTRF_ROOK is called to compute the factorization of a complex |
*> ZSYTRF_ROOK is called to compute the factorization of a complex |
*> symmetric matrix A using the bounded Bunch-Kaufman ("rook") diagonal |
*> symmetric matrix A using the bounded Bunch-Kaufman ("rook") diagonal |
*> pivoting method. |
*> pivoting method. |
*> |
*> |
*> The factored form of A is then used to solve the system |
*> The factored form of A is then used to solve the system |
*> of equations A * X = B by calling ZSYTRS_ROOK. |
*> of equations A * X = B by calling ZSYTRS_ROOK. |
*> \endverbatim |
*> \endverbatim |
* |
* |
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*> The length of WORK. LWORK >= 1, and for best performance |
*> The length of WORK. LWORK >= 1, and for best performance |
*> LWORK >= max(1,N*NB), where NB is the optimal blocksize for |
*> LWORK >= max(1,N*NB), where NB is the optimal blocksize for |
*> ZSYTRF_ROOK. |
*> ZSYTRF_ROOK. |
*> |
*> |
*> TRS will be done with Level 2 BLAS |
*> TRS will be done with Level 2 BLAS |
*> |
*> |
*> If LWORK = -1, then a workspace query is assumed; the routine |
*> If LWORK = -1, then a workspace query is assumed; the routine |
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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 December 2016 |
* |
* |
*> \ingroup complex16SYsolve |
*> \ingroup complex16SYsolve |
* |
* |
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*> |
*> |
*> \verbatim |
*> \verbatim |
*> |
*> |
*> November 2015, Igor Kozachenko, |
*> December 2016, Igor Kozachenko, |
*> Computer Science Division, |
*> Computer Science Division, |
*> University of California, Berkeley |
*> University of California, Berkeley |
*> |
*> |
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SUBROUTINE ZSYSV_ROOK( UPLO, N, NRHS, A, LDA, IPIV, B, LDB, WORK, |
SUBROUTINE ZSYSV_ROOK( UPLO, N, NRHS, A, LDA, IPIV, B, LDB, WORK, |
$ LWORK, INFO ) |
$ LWORK, 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 |
* December 2016 |
* |
* |
* .. Scalar Arguments .. |
* .. Scalar Arguments .. |
CHARACTER UPLO |
CHARACTER UPLO |