octave-antonio: libinterp/dldfcn/qr.cc annotate

annotate libinterp/dldfcn/qr.cc @ 18502:35100920494f stable

doc: Update docstring for qr (bug #41641).

author	Marko Seric <marko.seric@math.uzh.ch>
date	Thu, 20 Feb 2014 10:11:57 +0100
parents	175b392e91fe
children	bc31d9359cf9

rev	line source
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	1 /*
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	2
17744 d63878346099 maint: Update copyright notices for release. John W. Eaton <jwe@octave.org> parents: 17336 diff changeset	3 Copyright (C) 1996-2013 John W. Eaton
11523 fd0a3ac60b0e update copyright notices John W. Eaton <jwe@octave.org> parents: 10846 diff changeset	4 Copyright (C) 2008-2009 Jaroslav Hajek
fd0a3ac60b0e update copyright notices John W. Eaton <jwe@octave.org> parents: 10846 diff changeset	5 Copyright (C) 2008-2009 VZLU Prague
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	6
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	7 This file is part of Octave.
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	8
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	9 Octave is free software; you can redistribute it and/or modify it
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	10 under the terms of the GNU General Public License as published by the
7016 93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 6484 diff changeset	11 Free Software Foundation; either version 3 of the License, or (at your
93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 6484 diff changeset	12 option) any later version.
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	13
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	14 Octave is distributed in the hope that it will be useful, but WITHOUT
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	15 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	16 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	17 for more details.
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	18
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	19 You should have received a copy of the GNU General Public License
7016 93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 6484 diff changeset	20 along with Octave; see the file COPYING. If not, see
93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 6484 diff changeset	21 <http://www.gnu.org/licenses/>.
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	22
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	23 */
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	24
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	25 #ifdef HAVE_CONFIG_H
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	26 #include <config.h>
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	27 #endif
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	28
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	29 #include "CmplxQR.h"
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	30 #include "CmplxQRP.h"
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	31 #include "dbleQR.h"
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	32 #include "dbleQRP.h"
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7700 diff changeset	33 #include "fCmplxQR.h"
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7700 diff changeset	34 #include "fCmplxQRP.h"
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7700 diff changeset	35 #include "floatQR.h"
82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7700 diff changeset	36 #include "floatQRP.h"
7505 f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	37 #include "SparseQR.h"
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	38 #include "SparseCmplxQR.h"
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	39
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	40
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	41 #include "defun-dld.h"
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	42 #include "error.h"
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	43 #include "gripes.h"
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	44 #include "oct-obj.h"
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	45 #include "utils.h"
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	46
8869 c3b743b1b1c6 preset triangular type if possible for lu and qr outputs Jaroslav Hajek <highegg@gmail.com> parents: 8811 diff changeset	47 template <class MT>
c3b743b1b1c6 preset triangular type if possible for lu and qr outputs Jaroslav Hajek <highegg@gmail.com> parents: 8811 diff changeset	48 static octave_value
9715 9f27172fbd1e auto-set MatrixType from certain functions Jaroslav Hajek <highegg@gmail.com> parents: 9209 diff changeset	49 get_qr_r (const base_qr<MT>& fact)
8869 c3b743b1b1c6 preset triangular type if possible for lu and qr outputs Jaroslav Hajek <highegg@gmail.com> parents: 8811 diff changeset	50 {
9715 9f27172fbd1e auto-set MatrixType from certain functions Jaroslav Hajek <highegg@gmail.com> parents: 9209 diff changeset	51 MT R = fact.R ();
9f27172fbd1e auto-set MatrixType from certain functions Jaroslav Hajek <highegg@gmail.com> parents: 9209 diff changeset	52 if (R.is_square () && fact.regular ())
9f27172fbd1e auto-set MatrixType from certain functions Jaroslav Hajek <highegg@gmail.com> parents: 9209 diff changeset	53 return octave_value (R, MatrixType (MatrixType::Upper));
8869 c3b743b1b1c6 preset triangular type if possible for lu and qr outputs Jaroslav Hajek <highegg@gmail.com> parents: 8811 diff changeset	54 else
9715 9f27172fbd1e auto-set MatrixType from certain functions Jaroslav Hajek <highegg@gmail.com> parents: 9209 diff changeset	55 return R;
8869 c3b743b1b1c6 preset triangular type if possible for lu and qr outputs Jaroslav Hajek <highegg@gmail.com> parents: 8811 diff changeset	56 }
c3b743b1b1c6 preset triangular type if possible for lu and qr outputs Jaroslav Hajek <highegg@gmail.com> parents: 8811 diff changeset	57
3372 f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	58 // [Q, R] = qr (X): form Q unitary and R upper triangular such
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	59 // that Q * R = X
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	60 //
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	61 // [Q, R] = qr (X, 0): form the economy decomposition such that if X is
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	62 // m by n then only the first n columns of Q are
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	63 // computed.
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	64 //
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	65 // [Q, R, P] = qr (X): form QRP factorization of X where
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	66 // P is a permutation matrix such that
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	67 // A * P = Q * R
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	68 //
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	69 // [Q, R, P] = qr (X, 0): form the economy decomposition with
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	70 // permutation vector P such that Q * R = X (:, P)
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	71 //
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	72 // qr (X) alone returns the output of the LAPACK routine dgeqrf, such
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	73 // that R = triu (qr (X))
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	74
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	75 DEFUN_DLD (qr, args, nargout,
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	76 "-- texinfo --\n\
11553 01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	77 @deftypefn {Loadable Function} {[@var{Q}, @var{R}, @var{P}] =} qr (@var{A})\n\
01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	78 @deftypefnx {Loadable Function} {[@var{Q}, @var{R}, @var{P}] =} qr (@var{A}, '0')\n\
12908 12defc71072c doc: Remove reference to spqr in qr documentation (Bug #33922) Andreas Weber <andy.weber.aw@gmail.com> parents: 12642 diff changeset	79 @deftypefnx {Loadable Function} {[@var{C}, @var{R}] =} qr (@var{A}, @var{B})\n\
12defc71072c doc: Remove reference to spqr in qr documentation (Bug #33922) Andreas Weber <andy.weber.aw@gmail.com> parents: 12642 diff changeset	80 @deftypefnx {Loadable Function} {[@var{C}, @var{R}] =} qr (@var{A}, @var{B}, '0')\n\
3372 f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	81 @cindex QR factorization\n\
11553 01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	82 Compute the QR@tie{}factorization of @var{A}, using standard @sc{lapack}\n\
01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	83 subroutines. For example, given the matrix @code{@var{A} = [1, 2; 3, 4]},\n\
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	84 \n\
3372 f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	85 @example\n\
11553 01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	86 [@var{Q}, @var{R}] = qr (@var{A})\n\
3372 f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	87 @end example\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	88 \n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	89 @noindent\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	90 returns\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	91 \n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	92 @example\n\
9064 7c02ec148a3c Check grammar on all .cc files Rik <rdrider0-list@yahoo.com> parents: 8869 diff changeset	93 @group\n\
11553 01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	94 @var{Q} =\n\
3372 f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	95 \n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	96 -0.31623 -0.94868\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	97 -0.94868 0.31623\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	98 \n\
11553 01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	99 @var{R} =\n\
3372 f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	100 \n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	101 -3.16228 -4.42719\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	102 0.00000 -0.63246\n\
9064 7c02ec148a3c Check grammar on all .cc files Rik <rdrider0-list@yahoo.com> parents: 8869 diff changeset	103 @end group\n\
3372 f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	104 @end example\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	105 \n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	106 The @code{qr} factorization has applications in the solution of least\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	107 squares problems\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	108 @tex\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	109 $$\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	110 \\min_x \\left\\Vert A x - b \\right\\Vert_2\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	111 $$\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	112 @end tex\n\
8517 81d6ab3ac93c Allow documentation tobe built for other formats than tex and info sh@sh-laptop parents: 8469 diff changeset	113 @ifnottex\n\
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	114 \n\
3372 f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	115 @example\n\
14360 97883071e8e4 doc: Correct off-by-1 spacings in all .cc docstrings Rik <octave@nomad.inbox5.com> parents: 14219 diff changeset	116 min norm(A x - b)\n\
3372 f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	117 @end example\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	118 \n\
8517 81d6ab3ac93c Allow documentation tobe built for other formats than tex and info sh@sh-laptop parents: 8469 diff changeset	119 @end ifnottex\n\
3372 f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	120 for overdetermined systems of equations (i.e.,\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	121 @tex\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	122 $A$\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	123 @end tex\n\
8517 81d6ab3ac93c Allow documentation tobe built for other formats than tex and info sh@sh-laptop parents: 8469 diff changeset	124 @ifnottex\n\
11553 01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	125 @var{A}\n\
8517 81d6ab3ac93c Allow documentation tobe built for other formats than tex and info sh@sh-laptop parents: 8469 diff changeset	126 @end ifnottex\n\
11553 01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	127 is a tall, thin matrix). The QR@tie{}factorization is\n\
3372 f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	128 @tex\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	129 $QR = A$ where $Q$ is an orthogonal matrix and $R$ is upper triangular.\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	130 @end tex\n\
8517 81d6ab3ac93c Allow documentation tobe built for other formats than tex and info sh@sh-laptop parents: 8469 diff changeset	131 @ifnottex\n\
18502 35100920494f doc: Update docstring for qr (bug #41641). Marko Seric <marko.seric@math.uzh.ch> parents: 17787 diff changeset	132 @code{@var{Q} * @var{R} = @var{A}} where @var{Q} is an orthogonal matrix and\n\
11553 01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	133 @var{R} is upper triangular.\n\
8517 81d6ab3ac93c Allow documentation tobe built for other formats than tex and info sh@sh-laptop parents: 8469 diff changeset	134 @end ifnottex\n\
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	135 \n\
17281 bc924baa2c4e doc: Add new @qcode macro for code samples which are quoted. Rik <rik@octave.org> parents: 16920 diff changeset	136 If given a second argument of @qcode{'0'}, @code{qr} returns an economy-sized\n\
11553 01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	137 QR@tie{}factorization, omitting zero rows of @var{R} and the corresponding\n\
7505 f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	138 columns of @var{Q}.\n\
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	139 \n\
11553 01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	140 If the matrix @var{A} is full, the permuted QR@tie{}factorization\n\
01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	141 @code{[@var{Q}, @var{R}, @var{P}] = qr (@var{A})} forms the\n\
01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	142 QR@tie{}factorization such that the diagonal entries of @var{R} are\n\
01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	143 decreasing in magnitude order. For example, given the matrix @code{a = [1,\n\
01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	144 2; 3, 4]},\n\
3372 f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	145 \n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	146 @example\n\
11553 01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	147 [@var{Q}, @var{R}, @var{P}] = qr (@var{A})\n\
3372 f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	148 @end example\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	149 \n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	150 @noindent\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	151 returns\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	152 \n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	153 @example\n\
9064 7c02ec148a3c Check grammar on all .cc files Rik <rdrider0-list@yahoo.com> parents: 8869 diff changeset	154 @group\n\
12642 f96b9b9f141b doc: Periodic grammarcheck and spellcheck of documentation. Rik <octave@nomad.inbox5.com> parents: 12329 diff changeset	155 @var{Q} =\n\
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	156 \n\
3372 f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	157 -0.44721 -0.89443\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	158 -0.89443 0.44721\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	159 \n\
11553 01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	160 @var{R} =\n\
3372 f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	161 \n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	162 -4.47214 -3.13050\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	163 0.00000 0.44721\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	164 \n\
11553 01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	165 @var{P} =\n\
3372 f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	166 \n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	167 0 1\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	168 1 0\n\
9064 7c02ec148a3c Check grammar on all .cc files Rik <rdrider0-list@yahoo.com> parents: 8869 diff changeset	169 @end group\n\
3372 f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	170 @end example\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	171 \n\
11553 01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	172 The permuted @code{qr} factorization @code{[@var{Q}, @var{R}, @var{P}] = qr\n\
01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	173 (@var{A})} factorization allows the construction of an orthogonal basis of\n\
01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	174 @code{span (A)}.\n\
7491 7879ef1042a8 qr doc fix Jaroslav Hajek parents: 7017 diff changeset	175 \n\
11553 01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	176 If the matrix @var{A} is sparse, then compute the sparse\n\
01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	177 QR@tie{}factorization of @var{A}, using @sc{CSparse}. As the matrix @var{Q}\n\
01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	178 is in general a full matrix, this function returns the @var{Q}-less\n\
01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	179 factorization @var{R} of @var{A}, such that @code{@var{R} = chol (@var{A}' *\n\
01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	180 @var{A})}.\n\
7505 f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	181 \n\
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	182 If the final argument is the scalar @code{0} and the number of rows is\n\
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	183 larger than the number of columns, then an economy factorization is\n\
11553 01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	184 returned. That is @var{R} will have only @code{size (@var{A},1)} rows.\n\
7505 f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	185 \n\
11553 01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	186 If an additional matrix @var{B} is supplied, then @code{qr} returns\n\
01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	187 @var{C}, where @code{@var{C} = @var{Q}' * @var{B}}. This allows the\n\
01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	188 least squares approximation of @code{@var{A} \\ @var{B}} to be calculated\n\
7505 f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	189 as\n\
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	190 \n\
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	191 @example\n\
9064 7c02ec148a3c Check grammar on all .cc files Rik <rdrider0-list@yahoo.com> parents: 8869 diff changeset	192 @group\n\
12908 12defc71072c doc: Remove reference to spqr in qr documentation (Bug #33922) Andreas Weber <andy.weber.aw@gmail.com> parents: 12642 diff changeset	193 [@var{C}, @var{R}] = qr (@var{A}, @var{B})\n\
11553 01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	194 x = @var{R} \\ @var{C}\n\
9064 7c02ec148a3c Check grammar on all .cc files Rik <rdrider0-list@yahoo.com> parents: 8869 diff changeset	195 @end group\n\
7505 f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	196 @end example\n\
16920 53eaa83e4181 doc: Add seealso links between various factorization forms. Rik <rik@octave.org> parents: 15195 diff changeset	197 @seealso{chol, hess, lu, qz, schur, svd, qrupdate, qrinsert, qrdelete, qrshift}\n\
3372 f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	198 @end deftypefn")
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	199 {
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	200 octave_value_list retval;
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	201
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	202 int nargin = args.length ();
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	203
14846 460a3c6d8bf1 maint: Use Octave coding convention for cuddled parenthis in function calls with empty argument lists. Rik <octave@nomad.inbox5.com> parents: 14501 diff changeset	204 if (nargin < 1 \|\| nargin > (args(0).is_sparse_type () ? 3 : 2))
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	205 {
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5307 diff changeset	206 print_usage ();
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	207 return retval;
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	208 }
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	209
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	210 octave_value arg = args(0);
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	211
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	212 int arg_is_empty = empty_arg ("qr", arg.rows (), arg.columns ());
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	213
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	214 if (arg_is_empty < 0)
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	215 return retval;
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	216
7505 f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	217 if (arg.is_sparse_type ())
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	218 {
7505 f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	219 bool economy = false;
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	220 bool is_cmplx = false;
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	221 int have_b = 0;
3068 17e2f90e0d3b [project @ 1997-07-08 02:17:36 by jwe] jwe parents: 3014 diff changeset	222
7505 f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	223 if (arg.is_complex_type ())
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	224 is_cmplx = true;
7505 f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	225 if (nargin > 1)
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	226 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	227 have_b = 1;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	228 if (args(nargin-1).is_scalar_type ())
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	229 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	230 int val = args(nargin-1).int_value ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	231 if (val == 0)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	232 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	233 economy = true;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	234 have_b = (nargin > 2 ? 2 : 0);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	235 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	236 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	237 if (have_b > 0 && args(have_b).is_complex_type ())
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	238 is_cmplx = true;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	239 }
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	240
7505 f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	241 if (!error_state)
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	242 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	243 if (have_b && nargout < 2)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	244 error ("qr: incorrect number of output arguments");
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	245 else if (is_cmplx)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	246 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	247 SparseComplexQR q (arg.sparse_complex_matrix_value ());
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	248 if (!error_state)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	249 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	250 if (have_b > 0)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	251 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	252 retval(1) = q.R (economy);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	253 retval(0) = q.C (args(have_b).complex_matrix_value ());
14846 460a3c6d8bf1 maint: Use Octave coding convention for cuddled parenthis in function calls with empty argument lists. Rik <octave@nomad.inbox5.com> parents: 14501 diff changeset	254 if (arg.rows () < arg.columns ())
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	255 warning ("qr: non minimum norm solution for under-determined problem");
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	256 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	257 else if (nargout > 1)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	258 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	259 retval(1) = q.R (economy);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	260 retval(0) = q.Q ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	261 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	262 else
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	263 retval(0) = q.R (economy);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	264 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	265 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	266 else
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	267 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	268 SparseQR q (arg.sparse_matrix_value ());
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	269 if (!error_state)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	270 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	271 if (have_b > 0)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	272 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	273 retval(1) = q.R (economy);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	274 retval(0) = q.C (args(have_b).matrix_value ());
14846 460a3c6d8bf1 maint: Use Octave coding convention for cuddled parenthis in function calls with empty argument lists. Rik <octave@nomad.inbox5.com> parents: 14501 diff changeset	275 if (args(0).rows () < args(0).columns ())
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	276 warning ("qr: non minimum norm solution for under-determined problem");
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	277 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	278 else if (nargout > 1)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	279 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	280 retval(1) = q.R (economy);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	281 retval(0) = q.Q ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	282 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	283 else
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	284 retval(0) = q.R (economy);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	285 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	286 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	287 }
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	288 }
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	289 else
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	290 {
7505 f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	291 QR::type type = (nargout == 0 \|\| nargout == 1) ? QR::raw
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	292 : nargin == 2
175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	293 ? QR::economy : QR::std;
7505 f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	294
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7700 diff changeset	295 if (arg.is_single_type ())
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	296 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	297 if (arg.is_real_type ())
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	298 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	299 FloatMatrix m = arg.float_matrix_value ();
7505 f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	300
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	301 if (! error_state)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	302 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	303 switch (nargout)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	304 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	305 case 0:
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	306 case 1:
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	307 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	308 FloatQR fact (m, type);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	309 retval(0) = fact.R ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	310 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	311 break;
7505 f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	312
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	313 case 2:
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	314 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	315 FloatQR fact (m, type);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	316 retval(1) = get_qr_r (fact);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	317 retval(0) = fact.Q ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	318 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	319 break;
7505 f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	320
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	321 default:
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	322 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	323 FloatQRP fact (m, type);
8367 445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	324 if (type == QR::economy)
445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	325 retval(2) = fact.Pvec ();
445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	326 else
445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	327 retval(2) = fact.P ();
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	328 retval(1) = get_qr_r (fact);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	329 retval(0) = fact.Q ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	330 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	331 break;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	332 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	333 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	334 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	335 else if (arg.is_complex_type ())
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	336 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	337 FloatComplexMatrix m = arg.float_complex_matrix_value ();
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7700 diff changeset	338
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	339 if (! error_state)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	340 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	341 switch (nargout)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	342 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	343 case 0:
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	344 case 1:
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	345 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	346 FloatComplexQR fact (m, type);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	347 retval(0) = fact.R ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	348 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	349 break;
7505 f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	350
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	351 case 2:
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	352 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	353 FloatComplexQR fact (m, type);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	354 retval(1) = get_qr_r (fact);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	355 retval(0) = fact.Q ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	356 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	357 break;
7505 f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	358
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	359 default:
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	360 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	361 FloatComplexQRP fact (m, type);
8367 445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	362 if (type == QR::economy)
445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	363 retval(2) = fact.Pvec ();
445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	364 else
445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	365 retval(2) = fact.P ();
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	366 retval(1) = get_qr_r (fact);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	367 retval(0) = fact.Q ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	368 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	369 break;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	370 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	371 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	372 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	373 }
7505 f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	374 else
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	375 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	376 if (arg.is_real_type ())
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	377 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	378 Matrix m = arg.matrix_value ();
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7700 diff changeset	379
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	380 if (! error_state)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	381 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	382 switch (nargout)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	383 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	384 case 0:
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	385 case 1:
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	386 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	387 QR fact (m, type);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	388 retval(0) = fact.R ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	389 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	390 break;
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7700 diff changeset	391
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	392 case 2:
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	393 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	394 QR fact (m, type);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	395 retval(1) = get_qr_r (fact);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	396 retval(0) = fact.Q ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	397 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	398 break;
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7700 diff changeset	399
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	400 default:
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	401 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	402 QRP fact (m, type);
8367 445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	403 if (type == QR::economy)
445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	404 retval(2) = fact.Pvec ();
445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	405 else
445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	406 retval(2) = fact.P ();
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	407 retval(1) = get_qr_r (fact);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	408 retval(0) = fact.Q ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	409 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	410 break;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	411 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	412 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	413 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	414 else if (arg.is_complex_type ())
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	415 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	416 ComplexMatrix m = arg.complex_matrix_value ();
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7700 diff changeset	417
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	418 if (! error_state)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	419 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	420 switch (nargout)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	421 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	422 case 0:
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	423 case 1:
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	424 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	425 ComplexQR fact (m, type);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	426 retval(0) = fact.R ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	427 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	428 break;
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7700 diff changeset	429
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	430 case 2:
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	431 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	432 ComplexQR fact (m, type);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	433 retval(1) = get_qr_r (fact);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	434 retval(0) = fact.Q ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	435 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	436 break;
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7700 diff changeset	437
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	438 default:
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	439 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	440 ComplexQRP fact (m, type);
8367 445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	441 if (type == QR::economy)
445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	442 retval(2) = fact.Pvec ();
445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	443 else
445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	444 retval(2) = fact.P ();
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	445 retval(1) = get_qr_r (fact);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	446 retval(0) = fact.Q ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	447 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	448 break;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	449 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	450 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	451 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	452 else
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	453 gripe_wrong_type_arg ("qr", arg);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	454 }
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	455 }
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	456
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	457 return retval;
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	458 }
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	459
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	460 /*
7814 87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	461 %!test
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	462 %! a = [0, 2, 1; 2, 1, 2];
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	463 %!
7814 87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	464 %! [q, r] = qr (a);
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	465 %! [qe, re] = qr (a, 0);
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	466 %!
7814 87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	467 %! assert (q * r, a, sqrt (eps));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	468 %! assert (qe * re, a, sqrt (eps));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	469
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	470 %!test
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	471 %! a = [0, 2, 1; 2, 1, 2];
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	472 %!
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	473 %! [q, r, p] = qr (a); # FIXME: not giving right dimensions.
7814 87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	474 %! [qe, re, pe] = qr (a, 0);
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	475 %!
7814 87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	476 %! assert (q * r, a * p, sqrt (eps));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	477 %! assert (qe * re, a(:, pe), sqrt (eps));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	478
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	479 %!test
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	480 %! a = [0, 2; 2, 1; 1, 2];
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	481 %!
7814 87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	482 %! [q, r] = qr (a);
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	483 %! [qe, re] = qr (a, 0);
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	484 %!
7814 87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	485 %! assert (q * r, a, sqrt (eps));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	486 %! assert (qe * re, a, sqrt (eps));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	487
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	488 %!test
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	489 %! a = [0, 2; 2, 1; 1, 2];
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	490 %!
7814 87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	491 %! [q, r, p] = qr (a);
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	492 %! [qe, re, pe] = qr (a, 0);
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	493 %!
7814 87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	494 %! assert (q * r, a * p, sqrt (eps));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	495 %! assert (qe * re, a(:, pe), sqrt (eps));
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	496
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	497 %!error qr ()
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	498 %!error qr ([1, 2; 3, 4], 0, 2)
7814 87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	499
14085 4e8f23ccadce test: Use internal prefix "__" for %!functions to avoid polluting workspace Rik <octave@nomad.inbox5.com> parents: 13971 diff changeset	500 %!function retval = __testqr (q, r, a, p)
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	501 %! tol = 100*eps (class (q));
7814 87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	502 %! retval = 0;
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	503 %! if (nargin == 3)
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	504 %! n1 = norm (q*r - a);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	505 %! n2 = norm (q'*q - eye (columns (q)));
7814 87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	506 %! retval = (n1 < tol && n2 < tol);
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	507 %! else
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	508 %! n1 = norm (q'*q - eye (columns (q)));
7814 87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	509 %! retval = (n1 < tol);
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	510 %! if (isvector (p))
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	511 %! n2 = norm (q*r - a(:,p));
7814 87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	512 %! retval = (retval && n2 < tol);
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	513 %! else
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	514 %! n2 = norm (qr - ap);
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	515 %! retval = (retval && n2 < tol);
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	516 %! endif
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	517 %! endif
14085 4e8f23ccadce test: Use internal prefix "__" for %!functions to avoid polluting workspace Rik <octave@nomad.inbox5.com> parents: 13971 diff changeset	518 %!endfunction
4e8f23ccadce test: Use internal prefix "__" for %!functions to avoid polluting workspace Rik <octave@nomad.inbox5.com> parents: 13971 diff changeset	519
7814 87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	520 %!test
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	521 %! t = ones (24, 1);
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	522 %! j = 1;
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	523 %!
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	524 %! if (false) # eliminate big matrix tests
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	525 %! a = rand (5000, 20);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	526 %! [q,r] = qr (a, 0); t(j++) = __testqr (q, r, a);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	527 %! [q,r] = qr (a',0); t(j++) = __testqr (q, r, a');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	528 %! [q,r,p] = qr (a, 0); t(j++) = __testqr (q, r, a, p);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	529 %! [q,r,p] = qr (a',0); t(j++) = __testqr (q, r, a', p);
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	530 %!
7814 87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	531 %! a = a+1i*eps;
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	532 %! [q,r] = qr (a, 0); t(j++) = __testqr (q, r, a);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	533 %! [q,r] = qr (a',0); t(j++) = __testqr (q, r, a');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	534 %! [q,r,p] = qr (a, 0); t(j++) = __testqr (q, r, a, p);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	535 %! [q,r,p] = qr (a',0); t(j++) = __testqr (q, r, a', p);
7814 87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	536 %! endif
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	537 %!
7814 87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	538 %! a = [ ones(1,15); sqrt(eps)*eye(15) ];
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	539 %! [q,r] = qr (a); t(j++) = __testqr (q, r, a);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	540 %! [q,r] = qr (a'); t(j++) = __testqr (q, r, a');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	541 %! [q,r,p] = qr (a); t(j++) = __testqr (q, r, a, p);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	542 %! [q,r,p] = qr (a'); t(j++) = __testqr (q, r, a', p);
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	543 %!
7814 87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	544 %! a = a+1i*eps;
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	545 %! [q,r] = qr (a); t(j++) = __testqr (q, r, a);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	546 %! [q,r] = qr (a'); t(j++) = __testqr (q, r, a');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	547 %! [q,r,p] = qr (a); t(j++) = __testqr (q, r, a, p);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	548 %! [q,r,p] = qr (a'); t(j++) = __testqr (q, r, a', p);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	549 %!
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	550 %! a = [ ones(1,15); sqrt(eps)*eye(15) ];
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	551 %! [q,r] = qr (a, 0); t(j++) = __testqr (q, r, a);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	552 %! [q,r] = qr (a',0); t(j++) = __testqr (q, r, a');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	553 %! [q,r,p] = qr (a, 0); t(j++) = __testqr (q, r, a, p);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	554 %! [q,r,p] = qr (a',0); t(j++) = __testqr (q, r, a', p);
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	555 %!
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	556 %! a = a+1i*eps;
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	557 %! [q,r] = qr (a, 0); t(j++) = __testqr (q, r, a);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	558 %! [q,r] = qr (a',0); t(j++) = __testqr (q, r, a');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	559 %! [q,r,p] = qr (a, 0); t(j++) = __testqr (q, r, a, p);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	560 %! [q,r,p] = qr (a',0); t(j++) = __testqr (q, r, a', p);
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	561 %!
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	562 %! a = [ 611 196 -192 407 -8 -52 -49 29
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	563 %! 196 899 113 -192 -71 -43 -8 -44
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	564 %! -192 113 899 196 61 49 8 52
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	565 %! 407 -192 196 611 8 44 59 -23
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	566 %! -8 -71 61 8 411 -599 208 208
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	567 %! -52 -43 49 44 -599 411 208 208
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	568 %! -49 -8 8 59 208 208 99 -911
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	569 %! 29 -44 52 -23 208 208 -911 99 ];
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	570 %! [q,r] = qr (a);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	571 %!
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	572 %! assert (all (t) && norm (qr - a) < 5000eps);
7814 87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	573
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	574 %!test
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	575 %! a = single ([0, 2, 1; 2, 1, 2]);
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	576 %!
7814 87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	577 %! [q, r] = qr (a);
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	578 %! [qe, re] = qr (a, 0);
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	579 %!
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	580 %! assert (q * r, a, sqrt (eps ("single")));
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	581 %! assert (qe * re, a, sqrt (eps ("single")));
7814 87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	582
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	583 %!test
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	584 %! a = single ([0, 2, 1; 2, 1, 2]);
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	585 %!
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	586 %! [q, r, p] = qr (a); # FIXME: not giving right dimensions.
7814 87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	587 %! [qe, re, pe] = qr (a, 0);
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	588 %!
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	589 %! assert (q * r, a * p, sqrt (eps ("single")));
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	590 %! assert (qe * re, a(:, pe), sqrt (eps ("single")));
7814 87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	591
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	592 %!test
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	593 %! a = single ([0, 2; 2, 1; 1, 2]);
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	594 %!
7814 87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	595 %! [q, r] = qr (a);
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	596 %! [qe, re] = qr (a, 0);
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	597 %!
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	598 %! assert (q * r, a, sqrt (eps ("single")));
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	599 %! assert (qe * re, a, sqrt (eps ("single")));
7814 87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	600
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	601 %!test
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	602 %! a = single ([0, 2; 2, 1; 1, 2]);
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	603 %!
7814 87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	604 %! [q, r, p] = qr (a);
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	605 %! [qe, re, pe] = qr (a, 0);
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	606 %!
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	607 %! assert (q * r, a * p, sqrt (eps ("single")));
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	608 %! assert (qe * re, a(:, pe), sqrt (eps ("single")));
7814 87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	609
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	610 %!error qr ()
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	611 %!error qr ([1, 2; 3, 4], 0, 2)
7814 87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	612
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	613 %!test
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	614 %! t = ones (24, 1);
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	615 %! j = 1;
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	616 %!
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	617 %! if (false) # eliminate big matrix tests
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	618 %! a = rand (5000,20);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	619 %! [q,r] = qr (a, 0); t(j++) = __testqr (q, r, a);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	620 %! [q,r] = qr (a',0); t(j++) = __testqr (q, r, a');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	621 %! [q,r,p] = qr (a, 0); t(j++) = __testqr (q, r, a, p);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	622 %! [q,r,p] = qr (a',0); t(j++) = __testqr (q, r, a', p);
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	623 %!
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	624 %! a = a+1i*eps ("single");
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	625 %! [q,r] = qr (a, 0); t(j++) = __testqr (q, r, a);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	626 %! [q,r] = qr (a',0); t(j++) = __testqr (q, r, a');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	627 %! [q,r,p] = qr (a, 0); t(j++) = __testqr (q, r, a, p);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	628 %! [q,r,p] = qr (a',0); t(j++) = __testqr (q, r, a', p);
7814 87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	629 %! endif
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	630 %!
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	631 %! a = [ ones(1,15); sqrt(eps("single"))*eye(15) ];
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	632 %! [q,r] = qr (a); t(j++) = __testqr (q, r, a);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	633 %! [q,r] = qr (a'); t(j++) = __testqr (q, r, a');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	634 %! [q,r,p] = qr (a); t(j++) = __testqr (q, r, a, p);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	635 %! [q,r,p] = qr (a'); t(j++) = __testqr (q, r, a', p);
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	636 %!
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	637 %! a = a+1i*eps ("single");
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	638 %! [q,r] = qr (a); t(j++) = __testqr (q, r, a);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	639 %! [q,r] = qr (a'); t(j++) = __testqr (q, r, a');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	640 %! [q,r,p] = qr (a); t(j++) = __testqr (q, r, a, p);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	641 %! [q,r,p] = qr (a'); t(j++) = __testqr (q, r, a', p);
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	642 %!
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	643 %! a = [ ones(1,15); sqrt(eps("single"))*eye(15) ];
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	644 %! [q,r] = qr (a, 0); t(j++) = __testqr (q, r, a);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	645 %! [q,r] = qr (a',0); t(j++) = __testqr (q, r, a');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	646 %! [q,r,p] = qr (a, 0); t(j++) = __testqr (q, r, a, p);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	647 %! [q,r,p] = qr (a',0); t(j++) = __testqr (q, r, a', p);
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	648 %!
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	649 %! a = a+1i*eps ("single");
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	650 %! [q,r] = qr (a, 0); t(j++) = __testqr (q, r, a);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	651 %! [q,r] = qr (a',0); t(j++) = __testqr (q, r, a');
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	652 %! [q,r,p] = qr (a, 0); t(j++) = __testqr (q, r, a, p);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	653 %! [q,r,p] = qr (a',0); t(j++) = __testqr (q, r, a',p);
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	654 %!
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	655 %! a = [ 611 196 -192 407 -8 -52 -49 29
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	656 %! 196 899 113 -192 -71 -43 -8 -44
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	657 %! -192 113 899 196 61 49 8 52
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	658 %! 407 -192 196 611 8 44 59 -23
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	659 %! -8 -71 61 8 411 -599 208 208
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	660 %! -52 -43 49 44 -599 411 208 208
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	661 %! -49 -8 8 59 208 208 99 -911
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	662 %! 29 -44 52 -23 208 208 -911 99 ];
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	663 %! [q,r] = qr (a);
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	664 %!
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	665 %! assert (all (t) && norm (qr-a) < 5000eps ("single"));
7814 87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	666
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	667 ## The deactivated tests below can't be tested till rectangular back-subs is
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	668 ## implemented for sparse matrices.
7505 f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	669
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	670 %!testif HAVE_CXSPARSE
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	671 %! n = 20; d = 0.2;
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	672 %! a = sprandn (n,n,d) + speye (n,n);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	673 %! r = qr (a);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	674 %! assert (r'r, a'a, 1e-10)
7505 f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	675
12329 5f203b5bbf98 Use testif to only run some sparse tests when necessary libraries are installed. Rik <octave@nomad.inbox5.com> parents: 11586 diff changeset	676 %!testif HAVE_COLAMD
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	677 %! n = 20; d = 0.2;
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	678 %! a = sprandn (n,n,d) + speye (n,n);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	679 %! q = symamd (a);
7505 f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	680 %! a = a(q,q);
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	681 %! r = qr (a);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	682 %! assert (r'r, a'a, 1e-10)
7505 f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	683
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	684 %!testif HAVE_CXSPARSE
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	685 %! n = 20; d = 0.2;
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	686 %! a = sprandn (n,n,d) + speye (n,n);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	687 %! [c,r] = qr (a, ones (n,1));
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	688 %! assert (r\c, full (a)\ones (n,1), 10e-10)
7505 f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	689
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	690 %!testif HAVE_CXSPARSE
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	691 %! n = 20; d = 0.2;
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	692 %! a = sprandn (n,n,d) + speye (n,n);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	693 %! b = randn (n,2);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	694 %! [c,r] = qr (a, b);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	695 %! assert (r\c, full (a)\b, 10e-10)
7505 f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	696
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	697 %% Test under-determined systems!!
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	698 %!#testif HAVE_CXSPARSE
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	699 %! n = 20; d = 0.2;
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	700 %! a = sprandn (n,n+1,d) + speye (n,n+1);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	701 %! b = randn (n,2);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	702 %! [c,r] = qr (a, b);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	703 %! assert (r\c, full (a)\b, 10e-10)
7505 f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	704
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	705 %!testif HAVE_CXSPARSE
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	706 %! n = 20; d = 0.2;
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	707 %! a = 1i*sprandn (n,n,d) + speye (n,n);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	708 %! r = qr (a);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	709 %! assert (r'r,a'a,1e-10)
7505 f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	710
12329 5f203b5bbf98 Use testif to only run some sparse tests when necessary libraries are installed. Rik <octave@nomad.inbox5.com> parents: 11586 diff changeset	711 %!testif HAVE_COLAMD
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	712 %! n = 20; d = 0.2;
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	713 %! a = 1i*sprandn (n,n,d) + speye (n,n);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	714 %! q = symamd (a);
7505 f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	715 %! a = a(q,q);
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	716 %! r = qr (a);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	717 %! assert (r'r, a'a, 1e-10)
7505 f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	718
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	719 %!testif HAVE_CXSPARSE
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	720 %! n = 20; d = 0.2;
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	721 %! a = 1i*sprandn (n,n,d) + speye (n,n);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	722 %! [c,r] = qr (a, ones (n,1));
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	723 %! assert (r\c, full (a)\ones (n,1), 10e-10)
7505 f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	724
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	725 %!testif HAVE_CXSPARSE
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	726 %! n = 20; d = 0.2;
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	727 %! a = 1i*sprandn (n,n,d) + speye (n,n);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	728 %! b = randn (n,2);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	729 %! [c,r] = qr (a, b);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	730 %! assert (r\c, full (a)\b, 10e-10)
7505 f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	731
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	732 %% Test under-determined systems!!
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	733 %!#testif HAVE_CXSPARSE
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	734 %! n = 20; d = 0.2;
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	735 %! a = 1i*sprandn (n,n+1,d) + speye (n,n+1);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	736 %! b = randn (n,2);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	737 %! [c,r] = qr (a, b);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	738 %! assert (r\c, full (a)\b, 10e-10)
7505 f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	739
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	740 %!error qr (sprandn (10,10,0.2), ones (10,1))
7505 f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	741 */
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	742
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8517 diff changeset	743 static
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8517 diff changeset	744 bool check_qr_dims (const octave_value& q, const octave_value& r,
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8517 diff changeset	745 bool allow_ecf = false)
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8517 diff changeset	746 {
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8517 diff changeset	747 octave_idx_type m = q.rows (), k = r.rows (), n = r.columns ();
8798 53f8fca6dd69 fix typo in qr.cc Jaroslav Hajek <highegg@gmail.com> parents: 8597 diff changeset	748 return ((q.ndims () == 2 && r.ndims () == 2 && k == q.columns ())
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	749 && (m == k \|\| (allow_ecf && k == n && k < m)));
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8517 diff changeset	750 }
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8517 diff changeset	751
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	752 static
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8517 diff changeset	753 bool check_index (const octave_value& i, bool vector_allowed = false)
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8517 diff changeset	754 {
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	755 return ((i.is_real_type () \|\| i.is_integer_type ())
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8517 diff changeset	756 && (i.is_scalar_type () \|\| vector_allowed));
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8517 diff changeset	757 }
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8517 diff changeset	758
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	759 DEFUN_DLD (qrupdate, args, ,
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	760 "-- texinfo --\n\
7650 eb7bdde776f2 Texinfo fixes John W. Eaton <jwe@octave.org> parents: 7560 diff changeset	761 @deftypefn {Loadable Function} {[@var{Q1}, @var{R1}] =} qrupdate (@var{Q}, @var{R}, @var{u}, @var{v})\n\
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	762 Given a QR@tie{}factorization of a real or complex matrix\n\
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	763 @w{@var{A} = @var{Q}*@var{R}}, @var{Q}@tie{}unitary and\n\
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	764 @var{R}@tie{}upper trapezoidal, return the QR@tie{}factorization\n\
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	765 of @w{@var{A} + @var{u}*@var{v}'}, where @var{u} and @var{v} are\n\
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8517 diff changeset	766 column vectors (rank-1 update) or matrices with equal number of columns\n\
10840 89f4d7e294cc Grammarcheck .cc files Rik <octave@nomad.inbox5.com> parents: 10618 diff changeset	767 (rank-k update). Notice that the latter case is done as a sequence of rank-1\n\
10846 a4f482e66b65 Grammarcheck more of the documentation. Rik <octave@nomad.inbox5.com> parents: 10840 diff changeset	768 updates; thus, for k large enough, it will be both faster and more accurate\n\
a4f482e66b65 Grammarcheck more of the documentation. Rik <octave@nomad.inbox5.com> parents: 10840 diff changeset	769 to recompute the factorization from scratch.\n\
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	770 \n\
11553 01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	771 The QR@tie{}factorization supplied may be either full\n\
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8517 diff changeset	772 (Q is square) or economized (R is square).\n\
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8517 diff changeset	773 \n\
16920 53eaa83e4181 doc: Add seealso links between various factorization forms. Rik <rik@octave.org> parents: 15195 diff changeset	774 @seealso{qr, qrinsert, qrdelete, qrshift}\n\
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	775 @end deftypefn")
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	776 {
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	777 octave_idx_type nargin = args.length ();
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	778 octave_value_list retval;
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	779
7559 07522d7dcdf8 fixes to QR and Cholesky updating code Jaroslav Hajek <highegg@gmail.com> parents: 7554 diff changeset	780 if (nargin != 4)
07522d7dcdf8 fixes to QR and Cholesky updating code Jaroslav Hajek <highegg@gmail.com> parents: 7554 diff changeset	781 {
07522d7dcdf8 fixes to QR and Cholesky updating code Jaroslav Hajek <highegg@gmail.com> parents: 7554 diff changeset	782 print_usage ();
07522d7dcdf8 fixes to QR and Cholesky updating code Jaroslav Hajek <highegg@gmail.com> parents: 7554 diff changeset	783 return retval;
07522d7dcdf8 fixes to QR and Cholesky updating code Jaroslav Hajek <highegg@gmail.com> parents: 7554 diff changeset	784 }
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	785
7559 07522d7dcdf8 fixes to QR and Cholesky updating code Jaroslav Hajek <highegg@gmail.com> parents: 7554 diff changeset	786 octave_value argq = args(0);
07522d7dcdf8 fixes to QR and Cholesky updating code Jaroslav Hajek <highegg@gmail.com> parents: 7554 diff changeset	787 octave_value argr = args(1);
07522d7dcdf8 fixes to QR and Cholesky updating code Jaroslav Hajek <highegg@gmail.com> parents: 7554 diff changeset	788 octave_value argu = args(2);
07522d7dcdf8 fixes to QR and Cholesky updating code Jaroslav Hajek <highegg@gmail.com> parents: 7554 diff changeset	789 octave_value argv = args(3);
07522d7dcdf8 fixes to QR and Cholesky updating code Jaroslav Hajek <highegg@gmail.com> parents: 7554 diff changeset	790
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	791 if (argq.is_numeric_type () && argr.is_numeric_type ()
8469 830a03b5f165 qr.cc: require args to be numeric, not necessarily matrix objects John W. Eaton <jwe@octave.org> parents: 8367 diff changeset	792 && argu.is_numeric_type () && argv.is_numeric_type ())
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	793 {
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8517 diff changeset	794 if (check_qr_dims (argq, argr, true))
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	795 {
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	796 if (argq.is_real_type ()
12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	797 && argr.is_real_type ()
12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	798 && argu.is_real_type ()
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	799 && argv.is_real_type ())
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	800 {
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	801 // all real case
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	802 if (argq.is_single_type ()
12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	803 \|\| argr.is_single_type ()
12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	804 \|\| argu.is_single_type ()
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	805 \|\| argv.is_single_type ())
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	806 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	807 FloatMatrix Q = argq.float_matrix_value ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	808 FloatMatrix R = argr.float_matrix_value ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	809 FloatMatrix u = argu.float_matrix_value ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	810 FloatMatrix v = argv.float_matrix_value ();
7886 e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	811
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	812 FloatQR fact (Q, R);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	813 fact.update (u, v);
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	814
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	815 retval(1) = get_qr_r (fact);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	816 retval(0) = fact.Q ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	817 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	818 else
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	819 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	820 Matrix Q = argq.matrix_value ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	821 Matrix R = argr.matrix_value ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	822 Matrix u = argu.matrix_value ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	823 Matrix v = argv.matrix_value ();
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	824
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	825 QR fact (Q, R);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	826 fact.update (u, v);
7886 e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	827
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	828 retval(1) = get_qr_r (fact);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	829 retval(0) = fact.Q ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	830 }
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	831 }
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	832 else
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	833 {
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	834 // complex case
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	835 if (argq.is_single_type ()
12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	836 \|\| argr.is_single_type ()
12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	837 \|\| argu.is_single_type ()
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	838 \|\| argv.is_single_type ())
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	839 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	840 FloatComplexMatrix Q = argq.float_complex_matrix_value ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	841 FloatComplexMatrix R = argr.float_complex_matrix_value ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	842 FloatComplexMatrix u = argu.float_complex_matrix_value ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	843 FloatComplexMatrix v = argv.float_complex_matrix_value ();
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	844
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	845 FloatComplexQR fact (Q, R);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	846 fact.update (u, v);
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	847
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	848 retval(1) = get_qr_r (fact);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	849 retval(0) = fact.Q ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	850 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	851 else
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	852 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	853 ComplexMatrix Q = argq.complex_matrix_value ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	854 ComplexMatrix R = argr.complex_matrix_value ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	855 ComplexMatrix u = argu.complex_matrix_value ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	856 ComplexMatrix v = argv.complex_matrix_value ();
7886 e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	857
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	858 ComplexQR fact (Q, R);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	859 fact.update (u, v);
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	860
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	861 retval(1) = get_qr_r (fact);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	862 retval(0) = fact.Q ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	863 }
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	864 }
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	865 }
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	866 else
11553 01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	867 error ("qrupdate: Q and R dimensions don't match");
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	868 }
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	869 else
11553 01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	870 error ("qrupdate: Q, R, U, and V must be numeric");
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	871
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	872 return retval;
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	873 }
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	874
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	875 /*
7886 e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	876 %!shared A, u, v, Ac, uc, vc
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	877 %! A = [0.091364 0.613038 0.999083;
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	878 %! 0.594638 0.425302 0.603537;
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	879 %! 0.383594 0.291238 0.085574;
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	880 %! 0.265712 0.268003 0.238409;
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	881 %! 0.669966 0.743851 0.445057 ];
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	882 %!
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	883 %! u = [0.85082;
12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	884 %! 0.76426;
12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	885 %! 0.42883;
12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	886 %! 0.53010;
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	887 %! 0.80683 ];
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	888 %!
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	889 %! v = [0.98810;
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	890 %! 0.24295;
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	891 %! 0.43167 ];
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	892 %!
7886 e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	893 %! Ac = [0.620405 + 0.956953i 0.480013 + 0.048806i 0.402627 + 0.338171i;
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	894 %! 0.589077 + 0.658457i 0.013205 + 0.279323i 0.229284 + 0.721929i;
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	895 %! 0.092758 + 0.345687i 0.928679 + 0.241052i 0.764536 + 0.832406i;
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	896 %! 0.912098 + 0.721024i 0.049018 + 0.269452i 0.730029 + 0.796517i;
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	897 %! 0.112849 + 0.603871i 0.486352 + 0.142337i 0.355646 + 0.151496i ];
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	898 %!
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	899 %! uc = [0.20351 + 0.05401i;
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	900 %! 0.13141 + 0.43708i;
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	901 %! 0.29808 + 0.08789i;
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	902 %! 0.69821 + 0.38844i;
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	903 %! 0.74871 + 0.25821i ];
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	904 %!
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	905 %! vc = [0.85839 + 0.29468i;
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	906 %! 0.20820 + 0.93090i;
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	907 %! 0.86184 + 0.34689i ];
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	908 %!
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	909
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	910 %!test
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	911 %! [Q,R] = qr (A);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	912 %! [Q,R] = qrupdate (Q, R, u, v);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	913 %! assert (norm (vec (Q'Q - eye (5)), Inf) < 1e1eps);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	914 %! assert (norm (vec (triu (R)-R), Inf) == 0);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	915 %! assert (norm (vec (QR - A - uv'), Inf) < norm (A)1e1eps);
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	916 %!
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	917 %!test
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	918 %! [Q,R] = qr (Ac);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	919 %! [Q,R] = qrupdate (Q, R, uc, vc);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	920 %! assert (norm (vec (Q'Q - eye (5)), Inf) < 1e1eps);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	921 %! assert (norm (vec (triu (R)-R), Inf) == 0);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	922 %! assert (norm (vec (QR - Ac - ucvc'), Inf) < norm (Ac)1e1eps);
7886 e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	923
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	924 %!test
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	925 %! [Q,R] = qr (single (A));
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	926 %! [Q,R] = qrupdate (Q, R, single (u), single (v));
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	927 %! assert (norm (vec (Q'Q - eye (5,"single")), Inf) < 1e1eps ("single"));
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	928 %! assert (norm (vec (triu (R)-R), Inf) == 0);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	929 %! assert (norm (vec (QR - single (A) - single (u)single (v)'), Inf) < norm (single (A))1e1eps ("single"));
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	930 %!
7886 e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	931 %!test
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	932 %! [Q,R] = qr (single (Ac));
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	933 %! [Q,R] = qrupdate (Q, R, single (uc), single (vc));
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	934 %! assert (norm (vec (Q'Q - eye (5,"single")), Inf) < 1e1eps ("single"));
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	935 %! assert (norm (vec (triu (R)-R), Inf) == 0);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	936 %! assert (norm (vec (QR - single (Ac) - single (uc)single (vc)'), Inf) < norm (single (Ac))1e1eps ("single"));
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	937 */
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	938
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	939 DEFUN_DLD (qrinsert, args, ,
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	940 "-- texinfo --\n\
7650 eb7bdde776f2 Texinfo fixes John W. Eaton <jwe@octave.org> parents: 7560 diff changeset	941 @deftypefn {Loadable Function} {[@var{Q1}, @var{R1}] =} qrinsert (@var{Q}, @var{R}, @var{j}, @var{x}, @var{orient})\n\
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	942 Given a QR@tie{}factorization of a real or complex matrix\n\
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	943 @w{@var{A} = @var{Q}*@var{R}}, @var{Q}@tie{}unitary and\n\
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	944 @var{R}@tie{}upper trapezoidal, return the QR@tie{}factorization of\n\
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	945 @w{[A(:,1:j-1) x A(:,j:n)]}, where @var{u} is a column vector to be\n\
17281 bc924baa2c4e doc: Add new @qcode macro for code samples which are quoted. Rik <rik@octave.org> parents: 16920 diff changeset	946 inserted into @var{A} (if @var{orient} is @qcode{\"col\"}), or the\n\
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	947 QR@tie{}factorization of @w{[A(1:j-1,:);x;A(:,j:n)]}, where @var{x}\n\
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	948 is a row vector to be inserted into @var{A} (if @var{orient} is\n\
17281 bc924baa2c4e doc: Add new @qcode macro for code samples which are quoted. Rik <rik@octave.org> parents: 16920 diff changeset	949 @qcode{\"row\"}).\n\
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	950 \n\
17281 bc924baa2c4e doc: Add new @qcode macro for code samples which are quoted. Rik <rik@octave.org> parents: 16920 diff changeset	951 The default value of @var{orient} is @qcode{\"col\"}.\n\
bc924baa2c4e doc: Add new @qcode macro for code samples which are quoted. Rik <rik@octave.org> parents: 16920 diff changeset	952 If @var{orient} is @qcode{\"col\"},\n\
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8517 diff changeset	953 @var{u} may be a matrix and @var{j} an index vector\n\
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8517 diff changeset	954 resulting in the QR@tie{}factorization of a matrix @var{B} such that\n\
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8517 diff changeset	955 @w{B(:,@var{j})} gives @var{u} and @w{B(:,@var{j}) = []} gives @var{A}.\n\
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8517 diff changeset	956 Notice that the latter case is done as a sequence of k insertions;\n\
10846 a4f482e66b65 Grammarcheck more of the documentation. Rik <octave@nomad.inbox5.com> parents: 10840 diff changeset	957 thus, for k large enough, it will be both faster and more accurate to\n\
a4f482e66b65 Grammarcheck more of the documentation. Rik <octave@nomad.inbox5.com> parents: 10840 diff changeset	958 recompute the factorization from scratch.\n\
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	959 \n\
17281 bc924baa2c4e doc: Add new @qcode macro for code samples which are quoted. Rik <rik@octave.org> parents: 16920 diff changeset	960 If @var{orient} is @qcode{\"col\"},\n\
11553 01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	961 the QR@tie{}factorization supplied may be either full\n\
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8517 diff changeset	962 (Q is square) or economized (R is square).\n\
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	963 \n\
17281 bc924baa2c4e doc: Add new @qcode macro for code samples which are quoted. Rik <rik@octave.org> parents: 16920 diff changeset	964 If @var{orient} is @qcode{\"row\"}, full factorization is needed.\n\
16920 53eaa83e4181 doc: Add seealso links between various factorization forms. Rik <rik@octave.org> parents: 15195 diff changeset	965 @seealso{qr, qrupdate, qrdelete, qrshift}\n\
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	966 @end deftypefn")
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	967 {
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	968 octave_idx_type nargin = args.length ();
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	969 octave_value_list retval;
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	970
7559 07522d7dcdf8 fixes to QR and Cholesky updating code Jaroslav Hajek <highegg@gmail.com> parents: 7554 diff changeset	971 if (nargin < 4 \|\| nargin > 5)
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	972 {
7559 07522d7dcdf8 fixes to QR and Cholesky updating code Jaroslav Hajek <highegg@gmail.com> parents: 7554 diff changeset	973 print_usage ();
07522d7dcdf8 fixes to QR and Cholesky updating code Jaroslav Hajek <highegg@gmail.com> parents: 7554 diff changeset	974 return retval;
07522d7dcdf8 fixes to QR and Cholesky updating code Jaroslav Hajek <highegg@gmail.com> parents: 7554 diff changeset	975 }
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	976
7559 07522d7dcdf8 fixes to QR and Cholesky updating code Jaroslav Hajek <highegg@gmail.com> parents: 7554 diff changeset	977 octave_value argq = args(0);
07522d7dcdf8 fixes to QR and Cholesky updating code Jaroslav Hajek <highegg@gmail.com> parents: 7554 diff changeset	978 octave_value argr = args(1);
07522d7dcdf8 fixes to QR and Cholesky updating code Jaroslav Hajek <highegg@gmail.com> parents: 7554 diff changeset	979 octave_value argj = args(2);
07522d7dcdf8 fixes to QR and Cholesky updating code Jaroslav Hajek <highegg@gmail.com> parents: 7554 diff changeset	980 octave_value argx = args(3);
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	981
8469 830a03b5f165 qr.cc: require args to be numeric, not necessarily matrix objects John W. Eaton <jwe@octave.org> parents: 8367 diff changeset	982 if (argq.is_numeric_type () && argr.is_numeric_type ()
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8517 diff changeset	983 && argx.is_numeric_type ()
7559 07522d7dcdf8 fixes to QR and Cholesky updating code Jaroslav Hajek <highegg@gmail.com> parents: 7554 diff changeset	984 && (nargin < 5 \|\| args(4).is_string ()))
07522d7dcdf8 fixes to QR and Cholesky updating code Jaroslav Hajek <highegg@gmail.com> parents: 7554 diff changeset	985 {
07522d7dcdf8 fixes to QR and Cholesky updating code Jaroslav Hajek <highegg@gmail.com> parents: 7554 diff changeset	986 std::string orient = (nargin < 5) ? "col" : args(4).string_value ();
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	987
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8517 diff changeset	988 bool col = orient == "col";
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	989
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8517 diff changeset	990 if (col \|\| orient == "row")
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	991 if (check_qr_dims (argq, argr, col)
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8517 diff changeset	992 && (col \|\| argx.rows () == 1))
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	993 {
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8517 diff changeset	994 if (check_index (argj, col))
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	995 {
8811 20dfb885f877 int -> octave_idx fixes John W. Eaton <jwe@octave.org> parents: 8798 diff changeset	996 MArray<octave_idx_type> j
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	997 = argj.octave_idx_type_vector_value ();
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8517 diff changeset	998
10258 e317791645c4 64-bit fixes John W. Eaton <jwe@octave.org> parents: 10155 diff changeset	999 octave_idx_type one = 1;
e317791645c4 64-bit fixes John W. Eaton <jwe@octave.org> parents: 10155 diff changeset	1000
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	1001 if (argq.is_real_type ()
12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	1002 && argr.is_real_type ()
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1003 && argx.is_real_type ())
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1004 {
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1005 // real case
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	1006 if (argq.is_single_type ()
12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	1007 \|\| argr.is_single_type ()
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1008 \|\| argx.is_single_type ())
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1009 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1010 FloatMatrix Q = argq.float_matrix_value ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1011 FloatMatrix R = argr.float_matrix_value ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1012 FloatMatrix x = argx.float_matrix_value ();
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1013
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1014 FloatQR fact (Q, R);
7886 e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1015
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	1016 if (col)
10258 e317791645c4 64-bit fixes John W. Eaton <jwe@octave.org> parents: 10155 diff changeset	1017 fact.insert_col (x, j-one);
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	1018 else
10258 e317791645c4 64-bit fixes John W. Eaton <jwe@octave.org> parents: 10155 diff changeset	1019 fact.insert_row (x.row (0), j(0)-one);
7886 e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1020
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1021 retval(1) = get_qr_r (fact);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1022 retval(0) = fact.Q ();
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1023
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1024 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1025 else
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1026 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1027 Matrix Q = argq.matrix_value ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1028 Matrix R = argr.matrix_value ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1029 Matrix x = argx.matrix_value ();
7886 e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1030
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1031 QR fact (Q, R);
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1032
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	1033 if (col)
10258 e317791645c4 64-bit fixes John W. Eaton <jwe@octave.org> parents: 10155 diff changeset	1034 fact.insert_col (x, j-one);
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	1035 else
10258 e317791645c4 64-bit fixes John W. Eaton <jwe@octave.org> parents: 10155 diff changeset	1036 fact.insert_row (x.row (0), j(0)-one);
7886 e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1037
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1038 retval(1) = get_qr_r (fact);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1039 retval(0) = fact.Q ();
7886 e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1040
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1041 }
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1042 }
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1043 else
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1044 {
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1045 // complex case
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	1046 if (argq.is_single_type ()
12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	1047 \|\| argr.is_single_type ()
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1048 \|\| argx.is_single_type ())
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1049 {
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	1050 FloatComplexMatrix Q =
175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	1051 argq.float_complex_matrix_value ();
175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	1052 FloatComplexMatrix R =
175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	1053 argr.float_complex_matrix_value ();
175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	1054 FloatComplexMatrix x =
175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	1055 argx.float_complex_matrix_value ();
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1056
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1057 FloatComplexQR fact (Q, R);
7886 e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1058
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	1059 if (col)
10258 e317791645c4 64-bit fixes John W. Eaton <jwe@octave.org> parents: 10155 diff changeset	1060 fact.insert_col (x, j-one);
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	1061 else
10258 e317791645c4 64-bit fixes John W. Eaton <jwe@octave.org> parents: 10155 diff changeset	1062 fact.insert_row (x.row (0), j(0)-one);
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1063
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1064 retval(1) = get_qr_r (fact);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1065 retval(0) = fact.Q ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1066 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1067 else
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1068 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1069 ComplexMatrix Q = argq.complex_matrix_value ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1070 ComplexMatrix R = argr.complex_matrix_value ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1071 ComplexMatrix x = argx.complex_matrix_value ();
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1072
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1073 ComplexQR fact (Q, R);
7886 e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1074
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	1075 if (col)
10258 e317791645c4 64-bit fixes John W. Eaton <jwe@octave.org> parents: 10155 diff changeset	1076 fact.insert_col (x, j-one);
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	1077 else
10258 e317791645c4 64-bit fixes John W. Eaton <jwe@octave.org> parents: 10155 diff changeset	1078 fact.insert_row (x.row (0), j(0)-one);
7886 e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1079
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1080 retval(1) = get_qr_r (fact);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1081 retval(0) = fact.Q ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1082 }
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1083 }
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1084
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1085 }
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1086 else
11553 01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	1087 error ("qrinsert: invalid index J");
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1088 }
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1089 else
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1090 error ("qrinsert: dimension mismatch");
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1091
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1092 else
11553 01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	1093 error ("qrinsert: ORIENT must be \"col\" or \"row\"");
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1094 }
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1095 else
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1096 print_usage ();
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1097
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1098 return retval;
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1099 }
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1100
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1101 /*
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1102 %!test
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1103 %! [Q,R] = qr (A);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1104 %! [Q,R] = qrinsert (Q, R, 3, u);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1105 %! assert (norm (vec (Q'Q - eye (5)), Inf) < 1e1eps);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1106 %! assert (norm (vec (triu (R) - R), Inf) == 0);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1107 %! assert (norm (vec (QR - [A(:,1:2) u A(:,3)]), Inf) < norm (A)1e1*eps);
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1108 %!test
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1109 %! [Q,R] = qr (Ac);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1110 %! [Q,R] = qrinsert (Q, R, 3, uc);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1111 %! assert (norm (vec (Q'Q - eye (5)), Inf) < 1e1eps);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1112 %! assert (norm (vec (triu (R) - R), Inf) == 0);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1113 %! assert (norm (vec (QR - [Ac(:,1:2) uc Ac(:,3)]), Inf) < norm (Ac)1e1*eps);
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1114 %!test
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1115 %! x = [0.85082 0.76426 0.42883 ];
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1116 %!
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1117 %! [Q,R] = qr (A);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1118 %! [Q,R] = qrinsert (Q, R, 3, x, "row");
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1119 %! assert (norm (vec (Q'Q - eye (6)), Inf) < 1e1eps);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1120 %! assert (norm (vec (triu (R) - R), Inf) == 0);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1121 %! assert (norm (vec (QR - [A(1:2,:);x;A(3:5,:)]), Inf) < norm (A)1e1*eps);
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1122 %!test
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1123 %! x = [0.20351 + 0.05401i 0.13141 + 0.43708i 0.29808 + 0.08789i ];
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1124 %!
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1125 %! [Q,R] = qr (Ac);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1126 %! [Q,R] = qrinsert (Q, R, 3, x, "row");
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1127 %! assert (norm (vec (Q'Q - eye (6)), Inf) < 1e1eps);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1128 %! assert (norm (vec (triu (R) - R), Inf) == 0);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1129 %! assert (norm (vec (QR - [Ac(1:2,:);x;Ac(3:5,:)]), Inf) < norm (Ac)1e1*eps);
7886 e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1130
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1131 %!test
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1132 %! [Q,R] = qr (single (A));
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1133 %! [Q,R] = qrinsert (Q, R, 3, single (u));
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1134 %! assert (norm (vec (Q'Q - eye (5,"single")), Inf) < 1e1eps ("single"));
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1135 %! assert (norm (vec (triu (R) - R), Inf) == 0);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1136 %! assert (norm (vec (QR - single ([A(:,1:2) u A(:,3)])), Inf) < norm (single (A))1e1*eps ("single"));
7886 e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1137 %!test
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1138 %! [Q,R] = qr (single (Ac));
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1139 %! [Q,R] = qrinsert (Q, R, 3, single (uc));
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1140 %! assert (norm (vec (Q'Q - eye (5,"single")), Inf) < 1e1eps ("single"));
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1141 %! assert (norm (vec (triu (R) - R), Inf) == 0);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1142 %! assert (norm (vec (QR - single ([Ac(:,1:2) uc Ac(:,3)])), Inf) < norm (single (Ac))1e1*eps ("single"));
7886 e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1143 %!test
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1144 %! x = single ([0.85082 0.76426 0.42883 ]);
7886 e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1145 %!
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1146 %! [Q,R] = qr (single (A));
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1147 %! [Q,R] = qrinsert (Q, R, 3, x, "row");
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1148 %! assert (norm (vec (Q'Q - eye (6,"single")), Inf) < 1e1eps ("single"));
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1149 %! assert (norm (vec (triu (R) - R), Inf) == 0);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1150 %! assert (norm (vec (QR - single ([A(1:2,:);x;A(3:5,:)])), Inf) < norm (single (A))1e1*eps ("single"));
7886 e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1151 %!test
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1152 %! x = single ([0.20351 + 0.05401i 0.13141 + 0.43708i 0.29808 + 0.08789i ]);
7886 e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1153 %!
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1154 %! [Q,R] = qr (single (Ac));
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1155 %! [Q,R] = qrinsert (Q, R, 3, x, "row");
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1156 %! assert (norm (vec (Q'Q - eye (6,"single")), Inf) < 1e1eps ("single"));
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1157 %! assert (norm (vec (triu (R) - R), Inf) == 0);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1158 %! assert (norm (vec (QR - single ([Ac(1:2,:);x;Ac(3:5,:)])), Inf) < norm (single (Ac))1e1*eps ("single"));
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1159 */
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1160
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1161 DEFUN_DLD (qrdelete, args, ,
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	1162 "-- texinfo --\n\
7650 eb7bdde776f2 Texinfo fixes John W. Eaton <jwe@octave.org> parents: 7560 diff changeset	1163 @deftypefn {Loadable Function} {[@var{Q1}, @var{R1}] =} qrdelete (@var{Q}, @var{R}, @var{j}, @var{orient})\n\
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1164 Given a QR@tie{}factorization of a real or complex matrix\n\
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1165 @w{@var{A} = @var{Q}*@var{R}}, @var{Q}@tie{}unitary and\n\
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1166 @var{R}@tie{}upper trapezoidal, return the QR@tie{}factorization of\n\
9064 7c02ec148a3c Check grammar on all .cc files Rik <rdrider0-list@yahoo.com> parents: 8869 diff changeset	1167 @w{[A(:,1:j-1) A(:,j+1:n)]}, i.e., @var{A} with one column deleted\n\
17281 bc924baa2c4e doc: Add new @qcode macro for code samples which are quoted. Rik <rik@octave.org> parents: 16920 diff changeset	1168 (if @var{orient} is @qcode{\"col\"}), or the QR@tie{}factorization of\n\
14219 addec4a8a787 Fix typo in qrdelete docstring. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	1169 @w{[A(1:j-1,:);A(j+1:n,:)]}, i.e., @var{A} with one row deleted (if\n\
17281 bc924baa2c4e doc: Add new @qcode macro for code samples which are quoted. Rik <rik@octave.org> parents: 16920 diff changeset	1170 @var{orient} is @qcode{\"row\"}).\n\
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1171 \n\
17281 bc924baa2c4e doc: Add new @qcode macro for code samples which are quoted. Rik <rik@octave.org> parents: 16920 diff changeset	1172 The default value of @var{orient} is @qcode{\"col\"}.\n\
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1173 \n\
17281 bc924baa2c4e doc: Add new @qcode macro for code samples which are quoted. Rik <rik@octave.org> parents: 16920 diff changeset	1174 If @var{orient} is @qcode{\"col\"},\n\
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8517 diff changeset	1175 @var{j} may be an index vector\n\
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8517 diff changeset	1176 resulting in the QR@tie{}factorization of a matrix @var{B} such that\n\
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8517 diff changeset	1177 @w{A(:,@var{j}) = []} gives @var{B}.\n\
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8517 diff changeset	1178 Notice that the latter case is done as a sequence of k deletions;\n\
10846 a4f482e66b65 Grammarcheck more of the documentation. Rik <octave@nomad.inbox5.com> parents: 10840 diff changeset	1179 thus, for k large enough, it will be both faster and more accurate to\n\
a4f482e66b65 Grammarcheck more of the documentation. Rik <octave@nomad.inbox5.com> parents: 10840 diff changeset	1180 recompute the factorization from scratch.\n\
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1181 \n\
17281 bc924baa2c4e doc: Add new @qcode macro for code samples which are quoted. Rik <rik@octave.org> parents: 16920 diff changeset	1182 If @var{orient} is @qcode{\"col\"},\n\
11553 01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	1183 the QR@tie{}factorization supplied may be either full\n\
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8517 diff changeset	1184 (Q is square) or economized (R is square).\n\
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1185 \n\
17281 bc924baa2c4e doc: Add new @qcode macro for code samples which are quoted. Rik <rik@octave.org> parents: 16920 diff changeset	1186 If @var{orient} is @qcode{\"row\"}, full factorization is needed.\n\
16920 53eaa83e4181 doc: Add seealso links between various factorization forms. Rik <rik@octave.org> parents: 15195 diff changeset	1187 @seealso{qr, qrupdate, qrinsert, qrshift}\n\
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1188 @end deftypefn")
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1189 {
7559 07522d7dcdf8 fixes to QR and Cholesky updating code Jaroslav Hajek <highegg@gmail.com> parents: 7554 diff changeset	1190 octave_idx_type nargin = args.length ();
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1191 octave_value_list retval;
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1192
7559 07522d7dcdf8 fixes to QR and Cholesky updating code Jaroslav Hajek <highegg@gmail.com> parents: 7554 diff changeset	1193 if (nargin < 3 \|\| nargin > 4)
07522d7dcdf8 fixes to QR and Cholesky updating code Jaroslav Hajek <highegg@gmail.com> parents: 7554 diff changeset	1194 {
07522d7dcdf8 fixes to QR and Cholesky updating code Jaroslav Hajek <highegg@gmail.com> parents: 7554 diff changeset	1195 print_usage ();
07522d7dcdf8 fixes to QR and Cholesky updating code Jaroslav Hajek <highegg@gmail.com> parents: 7554 diff changeset	1196 return retval;
07522d7dcdf8 fixes to QR and Cholesky updating code Jaroslav Hajek <highegg@gmail.com> parents: 7554 diff changeset	1197 }
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1198
7559 07522d7dcdf8 fixes to QR and Cholesky updating code Jaroslav Hajek <highegg@gmail.com> parents: 7554 diff changeset	1199 octave_value argq = args(0);
07522d7dcdf8 fixes to QR and Cholesky updating code Jaroslav Hajek <highegg@gmail.com> parents: 7554 diff changeset	1200 octave_value argr = args(1);
07522d7dcdf8 fixes to QR and Cholesky updating code Jaroslav Hajek <highegg@gmail.com> parents: 7554 diff changeset	1201 octave_value argj = args(2);
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1202
8469 830a03b5f165 qr.cc: require args to be numeric, not necessarily matrix objects John W. Eaton <jwe@octave.org> parents: 8367 diff changeset	1203 if (argq.is_numeric_type () && argr.is_numeric_type ()
7559 07522d7dcdf8 fixes to QR and Cholesky updating code Jaroslav Hajek <highegg@gmail.com> parents: 7554 diff changeset	1204 && (nargin < 4 \|\| args(3).is_string ()))
07522d7dcdf8 fixes to QR and Cholesky updating code Jaroslav Hajek <highegg@gmail.com> parents: 7554 diff changeset	1205 {
07522d7dcdf8 fixes to QR and Cholesky updating code Jaroslav Hajek <highegg@gmail.com> parents: 7554 diff changeset	1206 std::string orient = (nargin < 4) ? "col" : args(3).string_value ();
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1207
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8517 diff changeset	1208 bool col = orient == "col";
7559 07522d7dcdf8 fixes to QR and Cholesky updating code Jaroslav Hajek <highegg@gmail.com> parents: 7554 diff changeset	1209
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8517 diff changeset	1210 if (col \|\| orient == "row")
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8517 diff changeset	1211 if (check_qr_dims (argq, argr, col))
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1212 {
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8517 diff changeset	1213 if (check_index (argj, col))
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1214 {
8811 20dfb885f877 int -> octave_idx fixes John W. Eaton <jwe@octave.org> parents: 8798 diff changeset	1215 MArray<octave_idx_type> j
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1216 = argj.octave_idx_type_vector_value ();
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8517 diff changeset	1217
10258 e317791645c4 64-bit fixes John W. Eaton <jwe@octave.org> parents: 10155 diff changeset	1218 octave_idx_type one = 1;
e317791645c4 64-bit fixes John W. Eaton <jwe@octave.org> parents: 10155 diff changeset	1219
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8517 diff changeset	1220 if (argq.is_real_type ()
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1221 && argr.is_real_type ())
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1222 {
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1223 // real case
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1224 if (argq.is_single_type ()
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1225 \|\| argr.is_single_type ())
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1226 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1227 FloatMatrix Q = argq.float_matrix_value ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1228 FloatMatrix R = argr.float_matrix_value ();
7886 e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1229
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1230 FloatQR fact (Q, R);
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1231
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	1232 if (col)
10258 e317791645c4 64-bit fixes John W. Eaton <jwe@octave.org> parents: 10155 diff changeset	1233 fact.delete_col (j-one);
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	1234 else
10258 e317791645c4 64-bit fixes John W. Eaton <jwe@octave.org> parents: 10155 diff changeset	1235 fact.delete_row (j(0)-one);
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1236
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1237 retval(1) = get_qr_r (fact);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1238 retval(0) = fact.Q ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1239 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1240 else
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1241 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1242 Matrix Q = argq.matrix_value ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1243 Matrix R = argr.matrix_value ();
7886 e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1244
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1245 QR fact (Q, R);
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1246
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	1247 if (col)
10258 e317791645c4 64-bit fixes John W. Eaton <jwe@octave.org> parents: 10155 diff changeset	1248 fact.delete_col (j-one);
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	1249 else
10258 e317791645c4 64-bit fixes John W. Eaton <jwe@octave.org> parents: 10155 diff changeset	1250 fact.delete_row (j(0)-one);
7886 e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1251
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1252 retval(1) = get_qr_r (fact);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1253 retval(0) = fact.Q ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1254 }
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1255 }
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1256 else
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1257 {
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1258 // complex case
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1259 if (argq.is_single_type ()
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1260 \|\| argr.is_single_type ())
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1261 {
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	1262 FloatComplexMatrix Q =
175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	1263 argq.float_complex_matrix_value ();
175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	1264 FloatComplexMatrix R =
175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	1265 argr.float_complex_matrix_value ();
7886 e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1266
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1267 FloatComplexQR fact (Q, R);
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1268
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	1269 if (col)
10258 e317791645c4 64-bit fixes John W. Eaton <jwe@octave.org> parents: 10155 diff changeset	1270 fact.delete_col (j-one);
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	1271 else
10258 e317791645c4 64-bit fixes John W. Eaton <jwe@octave.org> parents: 10155 diff changeset	1272 fact.delete_row (j(0)-one);
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1273
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1274 retval(1) = get_qr_r (fact);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1275 retval(0) = fact.Q ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1276 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1277 else
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1278 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1279 ComplexMatrix Q = argq.complex_matrix_value ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1280 ComplexMatrix R = argr.complex_matrix_value ();
7886 e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1281
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1282 ComplexQR fact (Q, R);
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1283
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	1284 if (col)
10258 e317791645c4 64-bit fixes John W. Eaton <jwe@octave.org> parents: 10155 diff changeset	1285 fact.delete_col (j-one);
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	1286 else
10258 e317791645c4 64-bit fixes John W. Eaton <jwe@octave.org> parents: 10155 diff changeset	1287 fact.delete_row (j(0)-one);
7886 e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1288
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1289 retval(1) = get_qr_r (fact);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1290 retval(0) = fact.Q ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1291 }
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1292 }
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1293 }
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1294 else
11553 01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	1295 error ("qrdelete: invalid index J");
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1296 }
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1297 else
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1298 error ("qrdelete: dimension mismatch");
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1299
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1300 else
11553 01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	1301 error ("qrdelete: ORIENT must be \"col\" or \"row\"");
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1302 }
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1303 else
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1304 print_usage ();
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1305
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1306 return retval;
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1307 }
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	1308
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1309 /*
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1310 %!test
7886 e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1311 %! AA = [0.091364 0.613038 0.027504 0.999083;
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1312 %! 0.594638 0.425302 0.562834 0.603537;
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1313 %! 0.383594 0.291238 0.742073 0.085574;
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1314 %! 0.265712 0.268003 0.783553 0.238409;
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1315 %! 0.669966 0.743851 0.457255 0.445057 ];
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1316 %!
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1317 %! [Q,R] = qr (AA);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1318 %! [Q,R] = qrdelete (Q, R, 3);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1319 %! assert (norm (vec (Q'Q - eye (5)), Inf) < 16eps);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1320 %! assert (norm (vec (triu (R) - R), Inf) == 0);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1321 %! assert (norm (vec (QR - [AA(:,1:2) AA(:,4)]), Inf) < norm (AA)1e1*eps);
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	1322 %!
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1323 %!test
7886 e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1324 %! AA = [0.364554 + 0.993117i 0.669818 + 0.510234i 0.426568 + 0.041337i 0.847051 + 0.233291i;
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1325 %! 0.049600 + 0.242783i 0.448946 + 0.484022i 0.141155 + 0.074420i 0.446746 + 0.392706i;
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1326 %! 0.581922 + 0.657416i 0.581460 + 0.030016i 0.219909 + 0.447288i 0.201144 + 0.069132i;
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1327 %! 0.694986 + 0.000571i 0.682327 + 0.841712i 0.807537 + 0.166086i 0.192767 + 0.358098i;
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1328 %! 0.945002 + 0.066788i 0.350492 + 0.642638i 0.579629 + 0.048102i 0.600170 + 0.636938i ] * I;
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1329 %!
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1330 %! [Q,R] = qr (AA);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1331 %! [Q,R] = qrdelete (Q, R, 3);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1332 %! assert (norm (vec (Q'Q - eye (5)), Inf) < 16eps);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1333 %! assert (norm (vec (triu (R) - R), Inf) == 0);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1334 %! assert (norm (vec (QR - [AA(:,1:2) AA(:,4)]), Inf) < norm (AA)1e1*eps);
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1335 %!
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1336 %!test
7886 e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1337 %! AA = [0.091364 0.613038 0.027504 0.999083;
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1338 %! 0.594638 0.425302 0.562834 0.603537;
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1339 %! 0.383594 0.291238 0.742073 0.085574;
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1340 %! 0.265712 0.268003 0.783553 0.238409;
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1341 %! 0.669966 0.743851 0.457255 0.445057 ];
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1342 %!
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1343 %! [Q,R] = qr (AA);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1344 %! [Q,R] = qrdelete (Q, R, 3, "row");
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1345 %! assert (norm (vec (Q'Q - eye (4)), Inf) < 1e1eps);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1346 %! assert (norm (vec (triu (R) - R), Inf) == 0);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1347 %! assert (norm (vec (QR - [AA(1:2,:);AA(4:5,:)]), Inf) < norm (AA)1e1*eps);
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	1348 %!
7886 e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1349 %!test
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1350 %! AA = [0.364554 + 0.993117i 0.669818 + 0.510234i 0.426568 + 0.041337i 0.847051 + 0.233291i;
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1351 %! 0.049600 + 0.242783i 0.448946 + 0.484022i 0.141155 + 0.074420i 0.446746 + 0.392706i;
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1352 %! 0.581922 + 0.657416i 0.581460 + 0.030016i 0.219909 + 0.447288i 0.201144 + 0.069132i;
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1353 %! 0.694986 + 0.000571i 0.682327 + 0.841712i 0.807537 + 0.166086i 0.192767 + 0.358098i;
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1354 %! 0.945002 + 0.066788i 0.350492 + 0.642638i 0.579629 + 0.048102i 0.600170 + 0.636938i ] * I;
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1355 %!
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1356 %! [Q,R] = qr (AA);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1357 %! [Q,R] = qrdelete (Q, R, 3, "row");
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1358 %! assert (norm (vec (Q'Q - eye (4)), Inf) < 1e1eps);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1359 %! assert (norm (vec (triu (R) - R), Inf) == 0);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1360 %! assert (norm (vec (QR - [AA(1:2,:);AA(4:5,:)]), Inf) < norm (AA)1e1*eps);
7886 e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1361
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1362 %!test
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1363 %! AA = single ([0.091364 0.613038 0.027504 0.999083;
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1364 %! 0.594638 0.425302 0.562834 0.603537;
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1365 %! 0.383594 0.291238 0.742073 0.085574;
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1366 %! 0.265712 0.268003 0.783553 0.238409;
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1367 %! 0.669966 0.743851 0.457255 0.445057 ]);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1368 %!
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1369 %! [Q,R] = qr (AA);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1370 %! [Q,R] = qrdelete (Q, R, 3);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1371 %! assert (norm (vec (Q'Q - eye (5,"single")), Inf) < 1e1eps ("single"));
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1372 %! assert (norm (vec (triu (R) - R), Inf) == 0);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1373 %! assert (norm (vec (QR - [AA(:,1:2) AA(:,4)]), Inf) < norm (AA)1e1*eps ("single"));
7886 e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1374 %!
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1375 %!test
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1376 %! AA = single ([0.364554 + 0.993117i 0.669818 + 0.510234i 0.426568 + 0.041337i 0.847051 + 0.233291i;
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1377 %! 0.049600 + 0.242783i 0.448946 + 0.484022i 0.141155 + 0.074420i 0.446746 + 0.392706i;
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1378 %! 0.581922 + 0.657416i 0.581460 + 0.030016i 0.219909 + 0.447288i 0.201144 + 0.069132i;
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1379 %! 0.694986 + 0.000571i 0.682327 + 0.841712i 0.807537 + 0.166086i 0.192767 + 0.358098i;
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1380 %! 0.945002 + 0.066788i 0.350492 + 0.642638i 0.579629 + 0.048102i 0.600170 + 0.636938i ]) * I;
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1381 %!
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1382 %! [Q,R] = qr (AA);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1383 %! [Q,R] = qrdelete (Q, R, 3);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1384 %! assert (norm (vec (Q'Q - eye (5,"single")), Inf) < 1e1eps ("single"));
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1385 %! assert (norm (vec (triu (R) - R), Inf) == 0);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1386 %! assert (norm (vec (QR - [AA(:,1:2) AA(:,4)]), Inf) < norm (AA)1e1*eps ("single"));
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	1387 %!
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1388 %!test
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1389 %! AA = single ([0.091364 0.613038 0.027504 0.999083;
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1390 %! 0.594638 0.425302 0.562834 0.603537;
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1391 %! 0.383594 0.291238 0.742073 0.085574;
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1392 %! 0.265712 0.268003 0.783553 0.238409;
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1393 %! 0.669966 0.743851 0.457255 0.445057 ]);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1394 %!
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1395 %! [Q,R] = qr (AA);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1396 %! [Q,R] = qrdelete (Q, R, 3, "row");
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1397 %! assert (norm (vec (Q'Q - eye (4,"single")), Inf) < 1.5e1eps ("single"));
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1398 %! assert (norm (vec (triu (R) - R), Inf) == 0);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1399 %! assert (norm (vec (QR - [AA(1:2,:);AA(4:5,:)]), Inf) < norm (AA)1e1*eps ("single"));
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1400 %!testif HAVE_QRUPDATE
17336 b81b9d079515 Use '##' for comments which stand alone on a line. Rik <rik@octave.org> parents: 17281 diff changeset	1401 %! ## Same test as above but with more precicision
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1402 %! AA = single ([0.091364 0.613038 0.027504 0.999083;
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1403 %! 0.594638 0.425302 0.562834 0.603537;
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1404 %! 0.383594 0.291238 0.742073 0.085574;
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1405 %! 0.265712 0.268003 0.783553 0.238409;
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1406 %! 0.669966 0.743851 0.457255 0.445057 ]);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1407 %!
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1408 %! [Q,R] = qr (AA);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1409 %! [Q,R] = qrdelete (Q, R, 3, "row");
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1410 %! assert (norm (vec (Q'Q - eye (4,"single")), Inf) < 1e1eps ("single"));
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1411 %! assert (norm (vec (triu (R) - R), Inf) == 0);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1412 %! assert (norm (vec (QR - [AA(1:2,:);AA(4:5,:)]), Inf) < norm (AA)1e1*eps ("single"));
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1413 %!
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1414 %!test
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1415 %! AA = single ([0.364554 + 0.993117i 0.669818 + 0.510234i 0.426568 + 0.041337i 0.847051 + 0.233291i;
7886 e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1416 %! 0.049600 + 0.242783i 0.448946 + 0.484022i 0.141155 + 0.074420i 0.446746 + 0.392706i;
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1417 %! 0.581922 + 0.657416i 0.581460 + 0.030016i 0.219909 + 0.447288i 0.201144 + 0.069132i;
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1418 %! 0.694986 + 0.000571i 0.682327 + 0.841712i 0.807537 + 0.166086i 0.192767 + 0.358098i;
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1419 %! 0.945002 + 0.066788i 0.350492 + 0.642638i 0.579629 + 0.048102i 0.600170 + 0.636938i ]) * I;
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1420 %!
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1421 %! [Q,R] = qr (AA);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1422 %! [Q,R] = qrdelete (Q, R, 3, "row");
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1423 %! assert (norm (vec (Q'Q - eye (4,"single")), Inf) < 1e1eps ("single"));
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1424 %! assert (norm (vec (triu (R) - R), Inf) == 0);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1425 %! assert (norm (vec (QR - [AA(1:2,:);AA(4:5,:)]), Inf) < norm (AA)1e1*eps ("single"));
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1426 */
7505 f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	1427
7700 efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7650 diff changeset	1428 DEFUN_DLD (qrshift, args, ,
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	1429 "-- texinfo --\n\
7700 efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7650 diff changeset	1430 @deftypefn {Loadable Function} {[@var{Q1}, @var{R1}] =} qrshift (@var{Q}, @var{R}, @var{i}, @var{j})\n\
efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7650 diff changeset	1431 Given a QR@tie{}factorization of a real or complex matrix\n\
efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7650 diff changeset	1432 @w{@var{A} = @var{Q}*@var{R}}, @var{Q}@tie{}unitary and\n\
efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7650 diff changeset	1433 @var{R}@tie{}upper trapezoidal, return the QR@tie{}factorization\n\
efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7650 diff changeset	1434 of @w{@var{A}(:,p)}, where @w{p} is the permutation @*\n\
efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7650 diff changeset	1435 @code{p = [1:i-1, shift(i:j, 1), j+1:n]} if @w{@var{i} < @var{j}} @*\n\
efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7650 diff changeset	1436 or @*\n\
9064 7c02ec148a3c Check grammar on all .cc files Rik <rdrider0-list@yahoo.com> parents: 8869 diff changeset	1437 @code{p = [1:j-1, shift(j:i,-1), i+1:n]} if @w{@var{j} < @var{i}}. @*\n\
7700 efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7650 diff changeset	1438 \n\
16920 53eaa83e4181 doc: Add seealso links between various factorization forms. Rik <rik@octave.org> parents: 15195 diff changeset	1439 @seealso{qr, qrupdate, qrinsert, qrdelete}\n\
7700 efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7650 diff changeset	1440 @end deftypefn")
efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7650 diff changeset	1441 {
efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7650 diff changeset	1442 octave_idx_type nargin = args.length ();
efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7650 diff changeset	1443 octave_value_list retval;
efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7650 diff changeset	1444
efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7650 diff changeset	1445 if (nargin != 4)
efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7650 diff changeset	1446 {
efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7650 diff changeset	1447 print_usage ();
efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7650 diff changeset	1448 return retval;
efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7650 diff changeset	1449 }
efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7650 diff changeset	1450
efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7650 diff changeset	1451 octave_value argq = args(0);
efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7650 diff changeset	1452 octave_value argr = args(1);
efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7650 diff changeset	1453 octave_value argi = args(2);
efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7650 diff changeset	1454 octave_value argj = args(3);
efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7650 diff changeset	1455
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8517 diff changeset	1456 if (argq.is_numeric_type () && argr.is_numeric_type ())
7700 efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7650 diff changeset	1457 {
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8517 diff changeset	1458 if (check_qr_dims (argq, argr, true))
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8517 diff changeset	1459 {
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8517 diff changeset	1460 if (check_index (argi) && check_index (argj))
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8517 diff changeset	1461 {
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8517 diff changeset	1462 octave_idx_type i = argi.int_value ();
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8517 diff changeset	1463 octave_idx_type j = argj.int_value ();
7700 efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7650 diff changeset	1464
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	1465 if (argq.is_real_type ()
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8517 diff changeset	1466 && argr.is_real_type ())
7700 efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7650 diff changeset	1467 {
efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7650 diff changeset	1468 // all real case
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	1469 if (argq.is_single_type ()
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1470 && argr.is_single_type ())
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1471 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1472 FloatMatrix Q = argq.float_matrix_value ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1473 FloatMatrix R = argr.float_matrix_value ();
7886 e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1474
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1475 FloatQR fact (Q, R);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1476 fact.shift_cols (i-1, j-1);
7700 efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7650 diff changeset	1477
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1478 retval(1) = get_qr_r (fact);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1479 retval(0) = fact.Q ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1480 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1481 else
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1482 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1483 Matrix Q = argq.matrix_value ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1484 Matrix R = argr.matrix_value ();
7700 efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7650 diff changeset	1485
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1486 QR fact (Q, R);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1487 fact.shift_cols (i-1, j-1);
7886 e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1488
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1489 retval(1) = get_qr_r (fact);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1490 retval(0) = fact.Q ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1491 }
7700 efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7650 diff changeset	1492 }
efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7650 diff changeset	1493 else
efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7650 diff changeset	1494 {
efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7650 diff changeset	1495 // complex case
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	1496 if (argq.is_single_type ()
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1497 && argr.is_single_type ())
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1498 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1499 FloatComplexMatrix Q = argq.float_complex_matrix_value ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1500 FloatComplexMatrix R = argr.float_complex_matrix_value ();
7700 efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7650 diff changeset	1501
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1502 FloatComplexQR fact (Q, R);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1503 fact.shift_cols (i-1, j-1);
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	1504
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1505 retval(1) = get_qr_r (fact);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1506 retval(0) = fact.Q ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1507 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1508 else
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1509 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1510 ComplexMatrix Q = argq.complex_matrix_value ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1511 ComplexMatrix R = argr.complex_matrix_value ();
7886 e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1512
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1513 ComplexQR fact (Q, R);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1514 fact.shift_cols (i-1, j-1);
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	1515
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1516 retval(1) = get_qr_r (fact);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1517 retval(0) = fact.Q ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1518 }
7700 efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7650 diff changeset	1519 }
efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7650 diff changeset	1520 }
efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7650 diff changeset	1521 else
11553 01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	1522 error ("qrshift: invalid index I or J");
7700 efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7650 diff changeset	1523 }
efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7650 diff changeset	1524 else
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1525 error ("qrshift: dimensions mismatch");
7700 efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7650 diff changeset	1526 }
efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7650 diff changeset	1527 else
11553 01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	1528 error ("qrshift: Q and R must be numeric");
7700 efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7650 diff changeset	1529
efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7650 diff changeset	1530 return retval;
efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7650 diff changeset	1531 }
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1532
7700 efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7650 diff changeset	1533 /*
efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7650 diff changeset	1534 %!test
7886 e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1535 %! AA = A.';
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1536 %! i = 2; j = 4; p = [1:i-1, shift(i:j,-1), j+1:5];
7700 efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7650 diff changeset	1537 %!
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1538 %! [Q,R] = qr (AA);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1539 %! [Q,R] = qrshift (Q, R, i, j);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1540 %! assert (norm (vec (Q'Q - eye (3)), Inf) < 1e1eps);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1541 %! assert (norm (vec (triu (R) - R), Inf) == 0);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1542 %! assert (norm (vec (QR - AA(:,p)), Inf) < norm (AA)1e1*eps);
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	1543 %!
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1544 %! j = 2; i = 4; p = [1:j-1, shift(j:i,+1), i+1:5];
7886 e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1545 %!
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1546 %! [Q,R] = qr (AA);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1547 %! [Q,R] = qrshift (Q, R, i, j);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1548 %! assert (norm (vec (Q'Q - eye (3)), Inf) < 1e1eps);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1549 %! assert (norm (vec (triu (R) - R), Inf) == 0);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1550 %! assert (norm (vec (QR - AA(:,p)), Inf) < norm (AA)1e1*eps);
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	1551 %!
7886 e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1552 %!test
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1553 %! AA = Ac.';
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1554 %! i = 2; j = 4; p = [1:i-1, shift(i:j,-1), j+1:5];
7886 e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1555 %!
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1556 %! [Q,R] = qr (AA);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1557 %! [Q,R] = qrshift (Q, R, i, j);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1558 %! assert (norm (vec (Q'Q - eye (3)), Inf) < 1e1eps);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1559 %! assert (norm (vec (triu (R) - R), Inf) == 0);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1560 %! assert (norm (vec (QR - AA(:,p)), Inf) < norm (AA)1e1*eps);
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	1561 %!
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1562 %! j = 2; i = 4; p = [1:j-1, shift(j:i,+1), i+1:5];
7700 efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7650 diff changeset	1563 %!
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1564 %! [Q,R] = qr (AA);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1565 %! [Q,R] = qrshift (Q, R, i, j);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1566 %! assert (norm (vec (Q'Q - eye (3)), Inf) < 1e1eps);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1567 %! assert (norm (vec (triu (R) - R), Inf) == 0);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1568 %! assert (norm (vec (QR - AA(:,p)), Inf) < norm (AA)1e1*eps);
7886 e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1569
7700 efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7650 diff changeset	1570 %!test
7886 e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1571 %! AA = single (A).';
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1572 %! i = 2; j = 4; p = [1:i-1, shift(i:j,-1), j+1:5];
7700 efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7650 diff changeset	1573 %!
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1574 %! [Q,R] = qr (AA);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1575 %! [Q,R] = qrshift (Q, R, i, j);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1576 %! assert (norm (vec (Q'Q - eye (3,"single")), Inf) < 1e1eps ("single"));
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1577 %! assert (norm (vec (triu (R) - R), Inf) == 0);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1578 %! assert (norm (vec (QR - AA(:,p)), Inf) < norm (AA)1e1*eps ("single"));
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	1579 %!
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1580 %! j = 2; i = 4; p = [1:j-1, shift(j:i,+1), i+1:5];
7700 efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7650 diff changeset	1581 %!
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1582 %! [Q,R] = qr (AA);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1583 %! [Q,R] = qrshift (Q, R, i, j);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1584 %! assert (norm (vec (Q'Q - eye (3,"single")), Inf) < 1e1eps ("single"));
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1585 %! assert (norm (vec (triu (R) - R), Inf) == 0);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1586 %! assert (norm (vec (QR - AA(:,p)), Inf) < norm (AA)1e1*eps ("single"));
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	1587 %!
7886 e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1588 %!test
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1589 %! AA = single (Ac).';
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1590 %! i = 2; j = 4; p = [1:i-1, shift(i:j,-1), j+1:5];
7886 e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1591 %!
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1592 %! [Q,R] = qr (AA);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1593 %! [Q,R] = qrshift (Q, R, i, j);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1594 %! assert (norm (vec (Q'Q - eye (3,"single")), Inf) < 1e1eps ("single"));
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1595 %! assert (norm (vec (triu (R) - R), Inf) == 0);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1596 %! assert (norm (vec (QR - AA(:,p)), Inf) < norm (AA)1e1*eps ("single"));
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	1597 %!
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1598 %! j = 2; i = 4; p = [1:j-1, shift(j:i,+1), i+1:5];
7886 e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1599 %!
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1600 %! [Q,R] = qr (AA);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1601 %! [Q,R] = qrshift (Q, R, i, j);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1602 %! assert (norm (vec (Q'Q - eye (3,"single")), Inf) < 1e1eps ("single"));
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1603 %! assert (norm (vec (triu (R) - R), Inf) == 0);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1604 %! assert (norm (vec (QR - AA(:,p)), Inf) < norm (AA)1e1*eps ("single"));
7700 efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7650 diff changeset	1605 */

Mercurial > octave-antonio

annotate libinterp/dldfcn/qr.cc @ 18502:35100920494f stable