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

Diff for /rpl/lapack/lapack/zlaswlq.f between versions 1.1 and 1.5

version 1.1, 2017/06/17 11:02:55 version 1.5, 2020/05/21 21:46:09
Line 1 Line 1
   *> \brief \b ZLASWLQ
 *  *
 *  Definition:  *  Definition:
 *  ===========  *  ===========
Line 18 Line 19
 *>  *>
 *> \verbatim  *> \verbatim
 *>  *>
 *>          ZLASWLQ computes a blocked Short-Wide LQ factorization of a  *> ZLASWLQ computes a blocked Tall-Skinny LQ factorization of
 *>          M-by-N matrix A, where N >= M:  *> a complexx M-by-N matrix A for M <= N:
 *>          A = L * Q  *>
   *>    A = ( L 0 ) *  Q,
   *>
   *> where:
   *>
   *>    Q is a n-by-N orthogonal matrix, stored on exit in an implicit
   *>    form in the elements above the digonal of the array A and in
   *>    the elemenst of the array T;
   *>    L is an lower-triangular M-by-M matrix stored on exit in
   *>    the elements on and below the diagonal of the array A.
   *>    0 is a M-by-(N-M) zero matrix, if M < N, and is not stored.
   *>
 *> \endverbatim  *> \endverbatim
 *  *
 *  Arguments:  *  Arguments:
Line 55 Line 67
 *> \verbatim  *> \verbatim
 *>          A is COMPLEX*16 array, dimension (LDA,N)  *>          A is COMPLEX*16 array, dimension (LDA,N)
 *>          On entry, the M-by-N matrix A.  *>          On entry, the M-by-N matrix A.
 *>          On exit, the elements on and bleow the diagonal  *>          On exit, the elements on and below the diagonal
 *>          of the array contain the N-by-N lower triangular matrix L;  *>          of the array contain the N-by-N lower triangular matrix L;
 *>          the elements above the diagonal represent Q by the rows  *>          the elements above the diagonal represent Q by the rows
 *>          of blocked V (see Further Details).  *>          of blocked V (see Further Details).
Line 150 Line 162
       SUBROUTINE ZLASWLQ( M, N, MB, NB, A, LDA, T, LDT, WORK, LWORK,        SUBROUTINE ZLASWLQ( M, N, MB, NB, A, LDA, T, LDT, WORK, LWORK,
      $                  INFO)       $                  INFO)
 *  *
 *  -- LAPACK computational routine (version 3.7.0) --  *  -- 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. --
 *     December 2016  *     June 2017
 *  *
 *     .. Scalar Arguments ..  *     .. Scalar Arguments ..
       INTEGER           INFO, LDA, M, N, MB, NB, LWORK, LDT        INTEGER           INFO, LDA, M, N, MB, NB, LWORK, LDT
Removed from v.1.1  
changed lines
  Added in v.1.5

CVSweb interface <joel.bertrand@systella.fr>