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Diff for /rpl/lapack/lapack/dlasq1.f between versions 1.12 and 1.19

version 1.12, 2012/12/14 14:22:36 version 1.19, 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 DLASQ1 + dependencies   *> Download DLASQ1 + dependencies
 *> <a href="http://www.netlib.org/cgi-bin/netlibfiles.tgz?format=tgz&filename=/lapack/lapack_routine/dlasq1.f">   *> <a href="http://www.netlib.org/cgi-bin/netlibfiles.tgz?format=tgz&filename=/lapack/lapack_routine/dlasq1.f">
 *> [TGZ]</a>   *> [TGZ]</a>
 *> <a href="http://www.netlib.org/cgi-bin/netlibfiles.zip?format=zip&filename=/lapack/lapack_routine/dlasq1.f">   *> <a href="http://www.netlib.org/cgi-bin/netlibfiles.zip?format=zip&filename=/lapack/lapack_routine/dlasq1.f">
 *> [ZIP]</a>   *> [ZIP]</a>
 *> <a href="http://www.netlib.org/cgi-bin/netlibfiles.txt?format=txt&filename=/lapack/lapack_routine/dlasq1.f">   *> <a href="http://www.netlib.org/cgi-bin/netlibfiles.txt?format=txt&filename=/lapack/lapack_routine/dlasq1.f">
 *> [TXT]</a>  *> [TXT]</a>
 *> \endhtmlonly   *> \endhtmlonly
 *  *
 *  Definition:  *  Definition:
 *  ===========  *  ===========
 *  *
 *       SUBROUTINE DLASQ1( N, D, E, WORK, INFO )  *       SUBROUTINE DLASQ1( N, D, E, WORK, INFO )
 *   *
 *       .. Scalar Arguments ..  *       .. Scalar Arguments ..
 *       INTEGER            INFO, N  *       INTEGER            INFO, N
 *       ..  *       ..
 *       .. Array Arguments ..  *       .. Array Arguments ..
 *       DOUBLE PRECISION   D( * ), E( * ), WORK( * )  *       DOUBLE PRECISION   D( * ), E( * ), WORK( * )
 *       ..  *       ..
 *    *
 *  *
 *> \par Purpose:  *> \par Purpose:
 *  =============  *  =============
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 *>                  represent a matrix with the same singular values  *>                  represent a matrix with the same singular values
 *>                  which the calling subroutine could use to finish the  *>                  which the calling subroutine could use to finish the
 *>                  computation, or even feed back into DLASQ1  *>                  computation, or even feed back into DLASQ1
 *>             = 3, termination criterion of outer while loop not met   *>             = 3, termination criterion of outer while loop not met
 *>                  (program created more than N unreduced blocks)  *>                  (program created more than N unreduced blocks)
 *> \endverbatim  *> \endverbatim
 *  *
 *  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  
 *  *
 *> \ingroup auxOTHERcomputational  *> \ingroup auxOTHERcomputational
 *  *
 *  =====================================================================  *  =====================================================================
       SUBROUTINE DLASQ1( N, D, E, WORK, INFO )        SUBROUTINE DLASQ1( N, D, E, WORK, INFO )
 *  *
 *  -- LAPACK computational routine (version 3.4.2) --  *  -- LAPACK computational 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..--
 *     September 2012  
 *  *
 *     .. Scalar Arguments ..  *     .. Scalar Arguments ..
       INTEGER            INFO, N        INTEGER            INFO, N
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 *  *
       INFO = 0        INFO = 0
       IF( N.LT.0 ) THEN        IF( N.LT.0 ) THEN
          INFO = -2           INFO = -1
          CALL XERBLA( 'DLASQ1', -INFO )           CALL XERBLA( 'DLASQ1', -INFO )
          RETURN           RETURN
       ELSE IF( N.EQ.0 ) THEN        ELSE IF( N.EQ.0 ) THEN
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       CALL DCOPY( N-1, E, 1, WORK( 2 ), 2 )        CALL DCOPY( N-1, E, 1, WORK( 2 ), 2 )
       CALL DLASCL( 'G', 0, 0, SIGMX, SCALE, 2*N-1, 1, WORK, 2*N-1,        CALL DLASCL( 'G', 0, 0, SIGMX, SCALE, 2*N-1, 1, WORK, 2*N-1,
      $             IINFO )       $             IINFO )
 *           *
 *     Compute the q's and e's.  *     Compute the q's and e's.
 *  *
       DO 30 I = 1, 2*N - 1        DO 30 I = 1, 2*N - 1
Removed from v.1.12  
changed lines
  Added in v.1.19

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