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Diff for /rpl/lapack/lapack/dlasd6.f between versions 1.17 and 1.23

version 1.17, 2015/11/26 11:44:18 version 1.23, 2023/08/07 08:38:59
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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 DLASD6 + dependencies   *> Download DLASD6 + dependencies
 *> <a href="http://www.netlib.org/cgi-bin/netlibfiles.tgz?format=tgz&filename=/lapack/lapack_routine/dlasd6.f">   *> <a href="http://www.netlib.org/cgi-bin/netlibfiles.tgz?format=tgz&filename=/lapack/lapack_routine/dlasd6.f">
 *> [TGZ]</a>   *> [TGZ]</a>
 *> <a href="http://www.netlib.org/cgi-bin/netlibfiles.zip?format=zip&filename=/lapack/lapack_routine/dlasd6.f">   *> <a href="http://www.netlib.org/cgi-bin/netlibfiles.zip?format=zip&filename=/lapack/lapack_routine/dlasd6.f">
 *> [ZIP]</a>   *> [ZIP]</a>
 *> <a href="http://www.netlib.org/cgi-bin/netlibfiles.txt?format=txt&filename=/lapack/lapack_routine/dlasd6.f">   *> <a href="http://www.netlib.org/cgi-bin/netlibfiles.txt?format=txt&filename=/lapack/lapack_routine/dlasd6.f">
 *> [TXT]</a>  *> [TXT]</a>
 *> \endhtmlonly   *> \endhtmlonly
 *  *
 *  Definition:  *  Definition:
 *  ===========  *  ===========
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 *                          IDXQ, PERM, GIVPTR, GIVCOL, LDGCOL, GIVNUM,  *                          IDXQ, PERM, GIVPTR, GIVCOL, LDGCOL, GIVNUM,
 *                          LDGNUM, POLES, DIFL, DIFR, Z, K, C, S, WORK,  *                          LDGNUM, POLES, DIFL, DIFR, Z, K, C, S, WORK,
 *                          IWORK, INFO )  *                          IWORK, INFO )
 *   *
 *       .. Scalar Arguments ..  *       .. Scalar Arguments ..
 *       INTEGER            GIVPTR, ICOMPQ, INFO, K, LDGCOL, LDGNUM, NL,  *       INTEGER            GIVPTR, ICOMPQ, INFO, K, LDGCOL, LDGNUM, NL,
 *      $                   NR, SQRE  *      $                   NR, SQRE
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 *      $                   GIVNUM( LDGNUM, * ), POLES( LDGNUM, * ),  *      $                   GIVNUM( LDGNUM, * ), POLES( LDGNUM, * ),
 *      $                   VF( * ), VL( * ), WORK( * ), Z( * )  *      $                   VF( * ), VL( * ), WORK( * ), Z( * )
 *       ..  *       ..
 *    *
 *  *
 *> \par Purpose:  *> \par Purpose:
 *  =============  *  =============
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 *>  *>
 *>       The first stage consists of deflating the size of the problem  *>       The first stage consists of deflating the size of the problem
 *>       when there are multiple singular values or if there is a zero  *>       when there are multiple singular values or if there is a zero
 *>       in the Z vector. For each such occurence the dimension of the  *>       in the Z vector. For each such occurrence the dimension of the
 *>       secular equation problem is reduced by one. This stage is  *>       secular equation problem is reduced by one. This stage is
 *>       performed by the routine DLASD7.  *>       performed by the routine DLASD7.
 *>  *>
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 *> \param[out] DIFR  *> \param[out] DIFR
 *> \verbatim  *> \verbatim
 *>          DIFR is DOUBLE PRECISION array,  *>          DIFR is DOUBLE PRECISION array,
 *>                  dimension ( LDGNUM, 2 ) if ICOMPQ = 1 and  *>                   dimension ( LDDIFR, 2 ) if ICOMPQ = 1 and
 *>                  dimension ( N ) if ICOMPQ = 0.  *>                   dimension ( K ) if ICOMPQ = 0.
 *>         On exit, DIFR(I, 1) is the distance between I-th updated  *>          On exit, DIFR(I,1) = D(I) - DSIGMA(I+1), DIFR(K,1) is not
 *>         (undeflated) singular value and the I+1-th (undeflated) old  *>          defined and will not be referenced.
 *>         singular value.  
 *>  *>
 *>         If ICOMPQ = 1, DIFR(1:K,2) is an array containing the  *>          If ICOMPQ = 1, DIFR(1:K,2) is an array containing the
 *>         normalizing factors for the right singular vector matrix.  *>          normalizing factors for the right singular vector matrix.
 *>  *>
 *>         See DLASD8 for details on DIFL and DIFR.  *>         See DLASD8 for details on DIFL and DIFR.
 *> \endverbatim  *> \endverbatim
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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  
 *  *
 *> \ingroup auxOTHERauxiliary  *> \ingroup OTHERauxiliary
 *  *
 *> \par Contributors:  *> \par Contributors:
 *  ==================  *  ==================
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      $                   LDGNUM, POLES, DIFL, DIFR, Z, K, C, S, WORK,       $                   LDGNUM, POLES, DIFL, DIFR, Z, K, C, S, WORK,
      $                   IWORK, INFO )       $                   IWORK, INFO )
 *  *
 *  -- LAPACK auxiliary routine (version 3.6.0) --  *  -- 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 2015  
 *  *
 *     .. Scalar Arguments ..  *     .. Scalar Arguments ..
       INTEGER            GIVPTR, ICOMPQ, INFO, K, LDGCOL, LDGNUM, NL,        INTEGER            GIVPTR, ICOMPQ, INFO, K, LDGCOL, LDGNUM, NL,
Removed from v.1.17  
changed lines
  Added in v.1.23

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