version 1.12, 2012/12/14 14:22:34
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version 1.19, 2018/05/29 07:17:59
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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 DLARRC + dependencies |
*> Download DLARRC + dependencies |
*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.tgz?format=tgz&filename=/lapack/lapack_routine/dlarrc.f"> |
*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.tgz?format=tgz&filename=/lapack/lapack_routine/dlarrc.f"> |
*> [TGZ]</a> |
*> [TGZ]</a> |
*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.zip?format=zip&filename=/lapack/lapack_routine/dlarrc.f"> |
*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.zip?format=zip&filename=/lapack/lapack_routine/dlarrc.f"> |
*> [ZIP]</a> |
*> [ZIP]</a> |
*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.txt?format=txt&filename=/lapack/lapack_routine/dlarrc.f"> |
*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.txt?format=txt&filename=/lapack/lapack_routine/dlarrc.f"> |
*> [TXT]</a> |
*> [TXT]</a> |
*> \endhtmlonly |
*> \endhtmlonly |
* |
* |
* Definition: |
* Definition: |
* =========== |
* =========== |
* |
* |
* SUBROUTINE DLARRC( JOBT, N, VL, VU, D, E, PIVMIN, |
* SUBROUTINE DLARRC( JOBT, N, VL, VU, D, E, PIVMIN, |
* EIGCNT, LCNT, RCNT, INFO ) |
* EIGCNT, LCNT, RCNT, INFO ) |
* |
* |
* .. Scalar Arguments .. |
* .. Scalar Arguments .. |
* CHARACTER JOBT |
* CHARACTER JOBT |
* INTEGER EIGCNT, INFO, LCNT, N, RCNT |
* INTEGER EIGCNT, INFO, LCNT, N, RCNT |
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* .. Array Arguments .. |
* .. Array Arguments .. |
* DOUBLE PRECISION D( * ), E( * ) |
* DOUBLE PRECISION D( * ), E( * ) |
* .. |
* .. |
* |
* |
* |
* |
*> \par Purpose: |
*> \par Purpose: |
* ============= |
* ============= |
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*> \param[in] VL |
*> \param[in] VL |
*> \verbatim |
*> \verbatim |
*> VL is DOUBLE PRECISION |
*> VL is DOUBLE PRECISION |
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*> The lower bound for the eigenvalues. |
*> \endverbatim |
*> \endverbatim |
*> |
*> |
*> \param[in] VU |
*> \param[in] VU |
*> \verbatim |
*> \verbatim |
*> VU is DOUBLE PRECISION |
*> VU is DOUBLE PRECISION |
*> The lower and upper bounds for the eigenvalues. |
*> The upper bound for the eigenvalues. |
*> \endverbatim |
*> \endverbatim |
*> |
*> |
*> \param[in] D |
*> \param[in] D |
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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 September 2012 |
*> \date June 2016 |
* |
* |
*> \ingroup auxOTHERauxiliary |
*> \ingroup OTHERauxiliary |
* |
* |
*> \par Contributors: |
*> \par Contributors: |
* ================== |
* ================== |
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SUBROUTINE DLARRC( JOBT, N, VL, VU, D, E, PIVMIN, |
SUBROUTINE DLARRC( JOBT, N, VL, VU, D, E, PIVMIN, |
$ EIGCNT, LCNT, RCNT, INFO ) |
$ EIGCNT, LCNT, RCNT, INFO ) |
* |
* |
* -- LAPACK auxiliary routine (version 3.4.2) -- |
* -- LAPACK auxiliary routine (version 3.7.1) -- |
* -- 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..-- |
* September 2012 |
* June 2016 |
* |
* |
* .. Scalar Arguments .. |
* .. Scalar Arguments .. |
CHARACTER JOBT |
CHARACTER JOBT |
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* .. Executable Statements .. |
* .. Executable Statements .. |
* |
* |
INFO = 0 |
INFO = 0 |
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* |
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* Quick return if possible |
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* |
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IF( N.LE.0 ) THEN |
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RETURN |
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END IF |
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* |
LCNT = 0 |
LCNT = 0 |
RCNT = 0 |
RCNT = 0 |
EIGCNT = 0 |
EIGCNT = 0 |