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version 1.19, 2023/08/07 08:39:31
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*> \brief \b ZLAR1V |
*> \brief \b ZLAR1V computes the (scaled) r-th column of the inverse of the submatrix in rows b1 through bn of the tridiagonal matrix LDLT - λI. |
* |
* |
* =========== 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 ZLAR1V + dependencies |
*> Download ZLAR1V + dependencies |
*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.tgz?format=tgz&filename=/lapack/lapack_routine/zlar1v.f"> |
*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.tgz?format=tgz&filename=/lapack/lapack_routine/zlar1v.f"> |
*> [TGZ]</a> |
*> [TGZ]</a> |
*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.zip?format=zip&filename=/lapack/lapack_routine/zlar1v.f"> |
*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.zip?format=zip&filename=/lapack/lapack_routine/zlar1v.f"> |
*> [ZIP]</a> |
*> [ZIP]</a> |
*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.txt?format=txt&filename=/lapack/lapack_routine/zlar1v.f"> |
*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.txt?format=txt&filename=/lapack/lapack_routine/zlar1v.f"> |
*> [TXT]</a> |
*> [TXT]</a> |
*> \endhtmlonly |
*> \endhtmlonly |
* |
* |
* Definition: |
* Definition: |
* =========== |
* =========== |
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* SUBROUTINE ZLAR1V( N, B1, BN, LAMBDA, D, L, LD, LLD, |
* SUBROUTINE ZLAR1V( N, B1, BN, LAMBDA, D, L, LD, LLD, |
* PIVMIN, GAPTOL, Z, WANTNC, NEGCNT, ZTZ, MINGMA, |
* PIVMIN, GAPTOL, Z, WANTNC, NEGCNT, ZTZ, MINGMA, |
* R, ISUPPZ, NRMINV, RESID, RQCORR, WORK ) |
* R, ISUPPZ, NRMINV, RESID, RQCORR, WORK ) |
* |
* |
* .. Scalar Arguments .. |
* .. Scalar Arguments .. |
* LOGICAL WANTNC |
* LOGICAL WANTNC |
* INTEGER B1, BN, N, NEGCNT, R |
* INTEGER B1, BN, N, NEGCNT, R |
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* $ WORK( * ) |
* $ WORK( * ) |
* COMPLEX*16 Z( * ) |
* COMPLEX*16 Z( * ) |
* .. |
* .. |
* |
* |
* |
* |
*> \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 complex16OTHERauxiliary |
*> \ingroup complex16OTHERauxiliary |
* |
* |
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$ PIVMIN, GAPTOL, Z, WANTNC, NEGCNT, ZTZ, MINGMA, |
$ PIVMIN, GAPTOL, Z, WANTNC, NEGCNT, ZTZ, MINGMA, |
$ R, ISUPPZ, NRMINV, RESID, RQCORR, WORK ) |
$ R, ISUPPZ, NRMINV, RESID, RQCORR, WORK ) |
* |
* |
* -- LAPACK auxiliary routine (version 3.4.0) -- |
* -- LAPACK auxiliary 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 .. |
LOGICAL WANTNC |
LOGICAL WANTNC |