Diff for /rpl/lapack/lapack/dlarfx.f between versions 1.8 and 1.9

version 1.8, 2011/07/22 07:38:07 version 1.9, 2011/11/21 20:42:57
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   *> \brief \b DLARFX
   *
   *  =========== DOCUMENTATION ===========
   *
   * Online html documentation available at 
   *            http://www.netlib.org/lapack/explore-html/ 
   *
   *> \htmlonly
   *> Download DLARFX + dependencies 
   *> <a href="http://www.netlib.org/cgi-bin/netlibfiles.tgz?format=tgz&filename=/lapack/lapack_routine/dlarfx.f"> 
   *> [TGZ]</a> 
   *> <a href="http://www.netlib.org/cgi-bin/netlibfiles.zip?format=zip&filename=/lapack/lapack_routine/dlarfx.f"> 
   *> [ZIP]</a> 
   *> <a href="http://www.netlib.org/cgi-bin/netlibfiles.txt?format=txt&filename=/lapack/lapack_routine/dlarfx.f"> 
   *> [TXT]</a>
   *> \endhtmlonly 
   *
   *  Definition:
   *  ===========
   *
   *       SUBROUTINE DLARFX( SIDE, M, N, V, TAU, C, LDC, WORK )
   * 
   *       .. Scalar Arguments ..
   *       CHARACTER          SIDE
   *       INTEGER            LDC, M, N
   *       DOUBLE PRECISION   TAU
   *       ..
   *       .. Array Arguments ..
   *       DOUBLE PRECISION   C( LDC, * ), V( * ), WORK( * )
   *       ..
   *  
   *
   *> \par Purpose:
   *  =============
   *>
   *> \verbatim
   *>
   *> DLARFX applies a real elementary reflector H to a real m by n
   *> matrix C, from either the left or the right. H is represented in the
   *> form
   *>
   *>       H = I - tau * v * v**T
   *>
   *> where tau is a real scalar and v is a real vector.
   *>
   *> If tau = 0, then H is taken to be the unit matrix
   *>
   *> This version uses inline code if H has order < 11.
   *> \endverbatim
   *
   *  Arguments:
   *  ==========
   *
   *> \param[in] SIDE
   *> \verbatim
   *>          SIDE is CHARACTER*1
   *>          = 'L': form  H * C
   *>          = 'R': form  C * H
   *> \endverbatim
   *>
   *> \param[in] M
   *> \verbatim
   *>          M is INTEGER
   *>          The number of rows of the matrix C.
   *> \endverbatim
   *>
   *> \param[in] N
   *> \verbatim
   *>          N is INTEGER
   *>          The number of columns of the matrix C.
   *> \endverbatim
   *>
   *> \param[in] V
   *> \verbatim
   *>          V is DOUBLE PRECISION array, dimension (M) if SIDE = 'L'
   *>                                     or (N) if SIDE = 'R'
   *>          The vector v in the representation of H.
   *> \endverbatim
   *>
   *> \param[in] TAU
   *> \verbatim
   *>          TAU is DOUBLE PRECISION
   *>          The value tau in the representation of H.
   *> \endverbatim
   *>
   *> \param[in,out] C
   *> \verbatim
   *>          C is DOUBLE PRECISION array, dimension (LDC,N)
   *>          On entry, the m by n matrix C.
   *>          On exit, C is overwritten by the matrix H * C if SIDE = 'L',
   *>          or C * H if SIDE = 'R'.
   *> \endverbatim
   *>
   *> \param[in] LDC
   *> \verbatim
   *>          LDC is INTEGER
   *>          The leading dimension of the array C. LDA >= (1,M).
   *> \endverbatim
   *>
   *> \param[out] WORK
   *> \verbatim
   *>          WORK is DOUBLE PRECISION array, dimension
   *>                      (N) if SIDE = 'L'
   *>                      or (M) if SIDE = 'R'
   *>          WORK is not referenced if H has order < 11.
   *> \endverbatim
   *
   *  Authors:
   *  ========
   *
   *> \author Univ. of Tennessee 
   *> \author Univ. of California Berkeley 
   *> \author Univ. of Colorado Denver 
   *> \author NAG Ltd. 
   *
   *> \date November 2011
   *
   *> \ingroup doubleOTHERauxiliary
   *
   *  =====================================================================
       SUBROUTINE DLARFX( SIDE, M, N, V, TAU, C, LDC, WORK )        SUBROUTINE DLARFX( SIDE, M, N, V, TAU, C, LDC, WORK )
       IMPLICIT NONE  
 *  *
 *  -- LAPACK auxiliary routine (version 3.3.1) --  *  -- LAPACK auxiliary routine (version 3.4.0) --
 *  -- 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..--
 *  -- April 2011                                                      --  *     November 2011
 *  *
 *     .. Scalar Arguments ..  *     .. Scalar Arguments ..
       CHARACTER          SIDE        CHARACTER          SIDE
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       DOUBLE PRECISION   C( LDC, * ), V( * ), WORK( * )        DOUBLE PRECISION   C( LDC, * ), V( * ), WORK( * )
 *     ..  *     ..
 *  *
 *  Purpose  
 *  =======  
 *  
 *  DLARFX applies a real elementary reflector H to a real m by n  
 *  matrix C, from either the left or the right. H is represented in the  
 *  form  
 *  
 *        H = I - tau * v * v**T  
 *  
 *  where tau is a real scalar and v is a real vector.  
 *  
 *  If tau = 0, then H is taken to be the unit matrix  
 *  
 *  This version uses inline code if H has order < 11.  
 *  
 *  Arguments  
 *  =========  
 *  
 *  SIDE    (input) CHARACTER*1  
 *          = 'L': form  H * C  
 *          = 'R': form  C * H  
 *  
 *  M       (input) INTEGER  
 *          The number of rows of the matrix C.  
 *  
 *  N       (input) INTEGER  
 *          The number of columns of the matrix C.  
 *  
 *  V       (input) DOUBLE PRECISION array, dimension (M) if SIDE = 'L'  
 *                                     or (N) if SIDE = 'R'  
 *          The vector v in the representation of H.  
 *  
 *  TAU     (input) DOUBLE PRECISION  
 *          The value tau in the representation of H.  
 *  
 *  C       (input/output) DOUBLE PRECISION array, dimension (LDC,N)  
 *          On entry, the m by n matrix C.  
 *          On exit, C is overwritten by the matrix H * C if SIDE = 'L',  
 *          or C * H if SIDE = 'R'.  
 *  
 *  LDC     (input) INTEGER  
 *          The leading dimension of the array C. LDA >= (1,M).  
 *  
 *  WORK    (workspace) DOUBLE PRECISION array, dimension  
 *                      (N) if SIDE = 'L'  
 *                      or (M) if SIDE = 'R'  
 *          WORK is not referenced if H has order < 11.  
 *  
 *  =====================================================================  *  =====================================================================
 *  *
 *     .. Parameters ..  *     .. Parameters ..

Removed from v.1.8  
changed lines
  Added in v.1.9


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