[BACK]Return to dgeqr2.f CVS log [TXT] [DIR] Up to [local] / rpl / lapack / lapack

Diff for /rpl/lapack/lapack/dgeqr2.f between versions 1.15 and 1.21

version 1.15, 2014/01/27 09:28:16 version 1.21, 2023/08/07 08:38:49
Line 2 Line 2
 *  *
 *  =========== 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 DGEQR2 + dependencies   *> Download DGEQR2 + dependencies
 *> <a href="http://www.netlib.org/cgi-bin/netlibfiles.tgz?format=tgz&filename=/lapack/lapack_routine/dgeqr2.f">   *> <a href="http://www.netlib.org/cgi-bin/netlibfiles.tgz?format=tgz&filename=/lapack/lapack_routine/dgeqr2.f">
 *> [TGZ]</a>   *> [TGZ]</a>
 *> <a href="http://www.netlib.org/cgi-bin/netlibfiles.zip?format=zip&filename=/lapack/lapack_routine/dgeqr2.f">   *> <a href="http://www.netlib.org/cgi-bin/netlibfiles.zip?format=zip&filename=/lapack/lapack_routine/dgeqr2.f">
 *> [ZIP]</a>   *> [ZIP]</a>
 *> <a href="http://www.netlib.org/cgi-bin/netlibfiles.txt?format=txt&filename=/lapack/lapack_routine/dgeqr2.f">   *> <a href="http://www.netlib.org/cgi-bin/netlibfiles.txt?format=txt&filename=/lapack/lapack_routine/dgeqr2.f">
 *> [TXT]</a>  *> [TXT]</a>
 *> \endhtmlonly   *> \endhtmlonly
 *  *
 *  Definition:  *  Definition:
 *  ===========  *  ===========
 *  *
 *       SUBROUTINE DGEQR2( M, N, A, LDA, TAU, WORK, INFO )  *       SUBROUTINE DGEQR2( M, N, A, LDA, TAU, WORK, INFO )
 *   *
 *       .. Scalar Arguments ..  *       .. Scalar Arguments ..
 *       INTEGER            INFO, LDA, M, N  *       INTEGER            INFO, LDA, M, N
 *       ..  *       ..
 *       .. Array Arguments ..  *       .. Array Arguments ..
 *       DOUBLE PRECISION   A( LDA, * ), TAU( * ), WORK( * )  *       DOUBLE PRECISION   A( LDA, * ), TAU( * ), WORK( * )
 *       ..  *       ..
 *    *
 *  *
 *> \par Purpose:  *> \par Purpose:
 *  =============  *  =============
 *>  *>
 *> \verbatim  *> \verbatim
 *>  *>
 *> DGEQR2 computes a QR factorization of a real m by n matrix A:  *> DGEQR2 computes a QR factorization of a real m-by-n matrix A:
 *> A = Q * R.  *>
   *>    A = Q * ( R ),
   *>            ( 0 )
   *>
   *> where:
   *>
   *>    Q is a m-by-m orthogonal matrix;
   *>    R is an upper-triangular n-by-n matrix;
   *>    0 is a (m-n)-by-n zero matrix, if m > n.
   *>
 *> \endverbatim  *> \endverbatim
 *  *
 *  Arguments:  *  Arguments:
Line 91 Line 100
 *  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 doubleGEcomputational  *> \ingroup doubleGEcomputational
 *  *
Line 121 Line 128
 *  =====================================================================  *  =====================================================================
       SUBROUTINE DGEQR2( M, N, A, LDA, TAU, WORK, INFO )        SUBROUTINE DGEQR2( M, N, A, LDA, TAU, 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, LDA, M, N        INTEGER            INFO, LDA, M, N
Removed from v.1.15  
changed lines
  Added in v.1.21

CVSweb interface <joel.bertrand@systella.fr>