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version 1.10, 2011/11/21 20:43:09 version 1.20, 2020/05/21 21:46:04
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 *> \brief \b ZGELQ2  *> \brief \b ZGELQ2 computes the LQ factorization of a general rectangular matrix using an unblocked algorithm.
 *  *
 *  =========== 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 ZGELQ2 + dependencies   *> Download ZGELQ2 + dependencies
 *> <a href="http://www.netlib.org/cgi-bin/netlibfiles.tgz?format=tgz&filename=/lapack/lapack_routine/zgelq2.f">   *> <a href="http://www.netlib.org/cgi-bin/netlibfiles.tgz?format=tgz&filename=/lapack/lapack_routine/zgelq2.f">
 *> [TGZ]</a>   *> [TGZ]</a>
 *> <a href="http://www.netlib.org/cgi-bin/netlibfiles.zip?format=zip&filename=/lapack/lapack_routine/zgelq2.f">   *> <a href="http://www.netlib.org/cgi-bin/netlibfiles.zip?format=zip&filename=/lapack/lapack_routine/zgelq2.f">
 *> [ZIP]</a>   *> [ZIP]</a>
 *> <a href="http://www.netlib.org/cgi-bin/netlibfiles.txt?format=txt&filename=/lapack/lapack_routine/zgelq2.f">   *> <a href="http://www.netlib.org/cgi-bin/netlibfiles.txt?format=txt&filename=/lapack/lapack_routine/zgelq2.f">
 *> [TXT]</a>  *> [TXT]</a>
 *> \endhtmlonly   *> \endhtmlonly
 *  *
 *  Definition:  *  Definition:
 *  ===========  *  ===========
 *  *
 *       SUBROUTINE ZGELQ2( M, N, A, LDA, TAU, WORK, INFO )  *       SUBROUTINE ZGELQ2( 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 ..
 *       COMPLEX*16         A( LDA, * ), TAU( * ), WORK( * )  *       COMPLEX*16         A( LDA, * ), TAU( * ), WORK( * )
 *       ..  *       ..
 *    *
 *  *
 *> \par Purpose:  *> \par Purpose:
 *  =============  *  =============
 *>  *>
 *> \verbatim  *> \verbatim
 *>  *>
 *> ZGELQ2 computes an LQ factorization of a complex m by n matrix A:  *> ZGELQ2 computes an LQ factorization of a complex m-by-n matrix A:
 *> A = L * Q.  *>
   *>    A = ( L 0 ) *  Q
   *>
   *> where:
   *>
   *>    Q is a n-by-n orthogonal matrix;
   *>    L is an lower-triangular m-by-m matrix;
   *>    0 is a m-by-(n-m) zero matrix, if m < n.
   *>
 *> \endverbatim  *> \endverbatim
 *  *
 *  Arguments:  *  Arguments:
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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  *> \date November 2019
 *  *
 *> \ingroup complex16GEcomputational  *> \ingroup complex16GEcomputational
 *  *
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 *  =====================================================================  *  =====================================================================
       SUBROUTINE ZGELQ2( M, N, A, LDA, TAU, WORK, INFO )        SUBROUTINE ZGELQ2( M, N, A, LDA, TAU, WORK, INFO )
 *  *
 *  -- LAPACK computational routine (version 3.4.0) --  *  -- LAPACK computational routine (version 3.9.0) --
 *  -- 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  *     November 2019
 *  *
 *     .. Scalar Arguments ..  *     .. Scalar Arguments ..
       INTEGER            INFO, LDA, M, N        INTEGER            INFO, LDA, M, N
Removed from v.1.10  
changed lines
  Added in v.1.20

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