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

annotate libinterp/dldfcn/qr.cc @ 20830:b65888ec820e draft default tip gccjit

dmalcom gcc jit import

author	Stefan Mahr <dac922@gmx.de>
date	Fri, 27 Feb 2015 16:59:36 +0100
parents	075a5e2e1ba5
children

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
19898 4197fc428c7d maint: Update copyright notices for 2015. John W. Eaton <jwe@octave.org> parents: 18583 diff changeset	3 Copyright (C) 1996-2015 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\
20373 075a5e2e1ba5 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19898 diff changeset	83 subroutines.\n\
075a5e2e1ba5 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19898 diff changeset	84 \n\
075a5e2e1ba5 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19898 diff changeset	85 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	86 \n\
3372 f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	87 @example\n\
11553 01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	88 [@var{Q}, @var{R}] = qr (@var{A})\n\
3372 f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	89 @end example\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	90 \n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	91 @noindent\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	92 returns\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	93 \n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	94 @example\n\
9064 7c02ec148a3c Check grammar on all .cc files Rik <rdrider0-list@yahoo.com> parents: 8869 diff changeset	95 @group\n\
11553 01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	96 @var{Q} =\n\
3372 f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	97 \n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	98 -0.31623 -0.94868\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	99 -0.94868 0.31623\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	100 \n\
11553 01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	101 @var{R} =\n\
3372 f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	102 \n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	103 -3.16228 -4.42719\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	104 0.00000 -0.63246\n\
9064 7c02ec148a3c Check grammar on all .cc files Rik <rdrider0-list@yahoo.com> parents: 8869 diff changeset	105 @end group\n\
3372 f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	106 @end example\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	107 \n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	108 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	109 squares problems\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	110 @tex\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	111 $$\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	112 \\min_x \\left\\Vert A x - b \\right\\Vert_2\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	113 $$\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	114 @end tex\n\
8517 81d6ab3ac93c Allow documentation tobe built for other formats than tex and info sh@sh-laptop parents: 8469 diff changeset	115 @ifnottex\n\
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	116 \n\
3372 f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	117 @example\n\
14360 97883071e8e4 doc: Correct off-by-1 spacings in all .cc docstrings Rik <octave@nomad.inbox5.com> parents: 14219 diff changeset	118 min norm(A x - b)\n\
3372 f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	119 @end example\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	120 \n\
8517 81d6ab3ac93c Allow documentation tobe built for other formats than tex and info sh@sh-laptop parents: 8469 diff changeset	121 @end ifnottex\n\
3372 f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	122 for overdetermined systems of equations (i.e.,\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	123 @tex\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	124 $A$\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	125 @end tex\n\
8517 81d6ab3ac93c Allow documentation tobe built for other formats than tex and info sh@sh-laptop parents: 8469 diff changeset	126 @ifnottex\n\
11553 01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	127 @var{A}\n\
8517 81d6ab3ac93c Allow documentation tobe built for other formats than tex and info sh@sh-laptop parents: 8469 diff changeset	128 @end ifnottex\n\
20373 075a5e2e1ba5 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19898 diff changeset	129 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	130 @tex\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	131 $QR = A$ 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	132 @end tex\n\
8517 81d6ab3ac93c Allow documentation tobe built for other formats than tex and info sh@sh-laptop parents: 8469 diff changeset	133 @ifnottex\n\
18570 35100920494f doc: Update docstring for qr (bug #41641). Marko Seric <marko.seric@math.uzh.ch> parents: 17787 diff changeset	134 @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	135 @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	136 @end ifnottex\n\
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	137 \n\
17281 bc924baa2c4e doc: Add new @qcode macro for code samples which are quoted. Rik <rik@octave.org> parents: 16920 diff changeset	138 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	139 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	140 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	141 \n\
11553 01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	142 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	143 @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	144 QR@tie{}factorization such that the diagonal entries of @var{R} are\n\
20373 075a5e2e1ba5 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19898 diff changeset	145 decreasing in magnitude order. For example, given the matrix\n\
075a5e2e1ba5 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19898 diff changeset	146 @code{a = [1, 2; 3, 4]},\n\
3372 f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	147 \n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	148 @example\n\
11553 01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	149 [@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	150 @end example\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	151 \n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	152 @noindent\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	153 returns\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	154 \n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	155 @example\n\
9064 7c02ec148a3c Check grammar on all .cc files Rik <rdrider0-list@yahoo.com> parents: 8869 diff changeset	156 @group\n\
12642 f96b9b9f141b doc: Periodic grammarcheck and spellcheck of documentation. Rik <octave@nomad.inbox5.com> parents: 12329 diff changeset	157 @var{Q} =\n\
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	158 \n\
3372 f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	159 -0.44721 -0.89443\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	160 -0.89443 0.44721\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	161 \n\
11553 01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	162 @var{R} =\n\
3372 f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	163 \n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	164 -4.47214 -3.13050\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	165 0.00000 0.44721\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	166 \n\
11553 01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	167 @var{P} =\n\
3372 f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	168 \n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	169 0 1\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	170 1 0\n\
9064 7c02ec148a3c Check grammar on all .cc files Rik <rdrider0-list@yahoo.com> parents: 8869 diff changeset	171 @end group\n\
3372 f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	172 @end example\n\
f16c2ce14886 [project @ 1999-11-23 19:07:09 by jwe] jwe parents: 3069 diff changeset	173 \n\
20373 075a5e2e1ba5 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19898 diff changeset	174 The permuted @code{qr} factorization\n\
075a5e2e1ba5 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19898 diff changeset	175 @code{[@var{Q}, @var{R}, @var{P}] = qr (@var{A})} factorization allows the\n\
075a5e2e1ba5 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19898 diff changeset	176 construction of an orthogonal basis of @code{span (A)}.\n\
7491 7879ef1042a8 qr doc fix Jaroslav Hajek parents: 7017 diff changeset	177 \n\
11553 01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	178 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	179 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	180 is in general a full matrix, this function returns the @var{Q}-less\n\
20373 075a5e2e1ba5 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19898 diff changeset	181 factorization @var{R} of @var{A}, such that\n\
075a5e2e1ba5 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19898 diff changeset	182 @code{@var{R} = chol (@var{A}' * @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	183 \n\
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	184 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	185 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	186 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	187 \n\
11553 01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	188 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	189 @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	190 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	191 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	192 \n\
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	193 @example\n\
9064 7c02ec148a3c Check grammar on all .cc files Rik <rdrider0-list@yahoo.com> parents: 8869 diff changeset	194 @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	195 [@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	196 x = @var{R} \\ @var{C}\n\
9064 7c02ec148a3c Check grammar on all .cc files Rik <rdrider0-list@yahoo.com> parents: 8869 diff changeset	197 @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	198 @end example\n\
16920 53eaa83e4181 doc: Add seealso links between various factorization forms. Rik <rik@octave.org> parents: 15195 diff changeset	199 @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	200 @end deftypefn")
2928 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 octave_value_list retval;
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	203
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	204 int nargin = args.length ();
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	205
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	206 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	207 {
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5307 diff changeset	208 print_usage ();
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	209 return retval;
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	210 }
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 octave_value arg = args(0);
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 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	215
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	216 if (arg_is_empty < 0)
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	217 return retval;
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 if (arg.is_sparse_type ())
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	220 {
7505 f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	221 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	222 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	223 int have_b = 0;
3068 17e2f90e0d3b [project @ 1997-07-08 02:17:36 by jwe] jwe parents: 3014 diff changeset	224
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 (arg.is_complex_type ())
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	226 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	227 if (nargin > 1)
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	228 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	229 have_b = 1;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	230 if (args(nargin-1).is_scalar_type ())
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	231 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	232 int val = args(nargin-1).int_value ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	233 if (val == 0)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	234 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	235 economy = true;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	236 have_b = (nargin > 2 ? 2 : 0);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	237 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	238 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	239 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	240 is_cmplx = true;
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	241 }
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	242
7505 f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	243 if (!error_state)
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	244 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	245 if (have_b && nargout < 2)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	246 error ("qr: incorrect number of output arguments");
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	247 else if (is_cmplx)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	248 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	249 SparseComplexQR q (arg.sparse_complex_matrix_value ());
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	250 if (!error_state)
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 if (have_b > 0)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	253 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	254 retval(1) = q.R (economy);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	255 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	256 if (arg.rows () < arg.columns ())
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	257 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	258 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	259 else if (nargout > 1)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	260 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	261 retval(1) = q.R (economy);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	262 retval(0) = q.Q ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	263 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	264 else
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	265 retval(0) = q.R (economy);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	266 }
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 else
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	269 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	270 SparseQR q (arg.sparse_matrix_value ());
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	271 if (!error_state)
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 if (have_b > 0)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	274 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	275 retval(1) = q.R (economy);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	276 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	277 if (args(0).rows () < args(0).columns ())
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	278 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	279 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	280 else if (nargout > 1)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	281 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	282 retval(1) = q.R (economy);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	283 retval(0) = q.Q ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	284 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	285 else
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	286 retval(0) = q.R (economy);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	287 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	288 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	289 }
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	290 }
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	291 else
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	292 {
7505 f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	293 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	294 : nargin == 2
175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	295 ? 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	296
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7700 diff changeset	297 if (arg.is_single_type ())
10154 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 if (arg.is_real_type ())
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	300 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	301 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	302
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	303 if (! error_state)
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 switch (nargout)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	306 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	307 case 0:
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	308 case 1:
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	309 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	310 FloatQR fact (m, type);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	311 retval(0) = fact.R ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	312 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	313 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	314
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	315 case 2:
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	316 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	317 FloatQR fact (m, type);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	318 retval(1) = get_qr_r (fact);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	319 retval(0) = fact.Q ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	320 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	321 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	322
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	323 default:
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	324 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	325 FloatQRP fact (m, type);
8367 445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	326 if (type == QR::economy)
445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	327 retval(2) = fact.Pvec ();
445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	328 else
445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	329 retval(2) = fact.P ();
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	330 retval(1) = get_qr_r (fact);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	331 retval(0) = fact.Q ();
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 break;
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 }
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 else if (arg.is_complex_type ())
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	338 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	339 FloatComplexMatrix m = arg.float_complex_matrix_value ();
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7700 diff changeset	340
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	341 if (! error_state)
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 switch (nargout)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	344 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	345 case 0:
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	346 case 1:
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	347 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	348 FloatComplexQR fact (m, type);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	349 retval(0) = fact.R ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	350 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	351 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	352
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	353 case 2:
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	354 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	355 FloatComplexQR fact (m, type);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	356 retval(1) = get_qr_r (fact);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	357 retval(0) = fact.Q ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	358 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	359 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	360
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	361 default:
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	362 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	363 FloatComplexQRP fact (m, type);
8367 445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	364 if (type == QR::economy)
445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	365 retval(2) = fact.Pvec ();
445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	366 else
445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	367 retval(2) = fact.P ();
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	368 retval(1) = get_qr_r (fact);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	369 retval(0) = fact.Q ();
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 break;
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 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	374 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	375 }
7505 f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	376 else
10154 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 if (arg.is_real_type ())
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	379 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	380 Matrix m = arg.matrix_value ();
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7700 diff changeset	381
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	382 if (! error_state)
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 switch (nargout)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	385 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	386 case 0:
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	387 case 1:
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	388 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	389 QR fact (m, type);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	390 retval(0) = fact.R ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	391 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	392 break;
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7700 diff changeset	393
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	394 case 2:
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	395 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	396 QR fact (m, type);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	397 retval(1) = get_qr_r (fact);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	398 retval(0) = fact.Q ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	399 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	400 break;
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7700 diff changeset	401
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	402 default:
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	403 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	404 QRP fact (m, type);
8367 445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	405 if (type == QR::economy)
445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	406 retval(2) = fact.Pvec ();
445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	407 else
445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	408 retval(2) = fact.P ();
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	409 retval(1) = get_qr_r (fact);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	410 retval(0) = fact.Q ();
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 break;
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 }
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 else if (arg.is_complex_type ())
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	417 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	418 ComplexMatrix m = arg.complex_matrix_value ();
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7700 diff changeset	419
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	420 if (! error_state)
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 switch (nargout)
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	423 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	424 case 0:
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	425 case 1:
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	426 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	427 ComplexQR fact (m, type);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	428 retval(0) = fact.R ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	429 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	430 break;
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7700 diff changeset	431
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	432 case 2:
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	433 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	434 ComplexQR fact (m, type);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	435 retval(1) = get_qr_r (fact);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	436 retval(0) = fact.Q ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	437 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	438 break;
7789 82be108cc558 First attempt at single precision tyeps David Bateman <dbateman@free.fr> parents: 7700 diff changeset	439
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	440 default:
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	441 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	442 ComplexQRP fact (m, type);
8367 445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	443 if (type == QR::economy)
445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	444 retval(2) = fact.Pvec ();
445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	445 else
445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	446 retval(2) = fact.P ();
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	447 retval(1) = get_qr_r (fact);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	448 retval(0) = fact.Q ();
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 break;
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 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	453 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	454 else
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	455 gripe_wrong_type_arg ("qr", arg);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	456 }
2928 295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	457 }
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 return retval;
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	460 }
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	461
295f037b4b3e [project @ 1997-05-05 05:32:33 by jwe] jwe parents: diff changeset	462 /*
7814 87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	463 %!test
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	464 %! 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	465 %!
7814 87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	466 %! [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	467 %! [qe, re] = qr (a, 0);
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	468 %!
7814 87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	469 %! 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	470 %! 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	471
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	472 %!test
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	473 %! 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	474 %!
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	475 %! [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	476 %! [qe, re, pe] = qr (a, 0);
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	477 %!
7814 87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	478 %! 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	479 %! 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	480
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	481 %!test
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	482 %! 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	483 %!
7814 87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	484 %! [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	485 %! [qe, re] = qr (a, 0);
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	486 %!
7814 87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	487 %! 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	488 %! 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	489
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	490 %!test
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	491 %! 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	492 %!
7814 87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	493 %! [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	494 %! [qe, re, pe] = qr (a, 0);
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	495 %!
7814 87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	496 %! 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	497 %! 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	498
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	499 %!error qr ()
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	500 %!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	501
14085 4e8f23ccadce test: Use internal prefix "__" for %!functions to avoid polluting workspace Rik <octave@nomad.inbox5.com> parents: 13971 diff changeset	502 %!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	503 %! 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	504 %! retval = 0;
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	505 %! if (nargin == 3)
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	506 %! 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	507 %! 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	508 %! 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	509 %! else
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	510 %! 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	511 %! 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	512 %! if (isvector (p))
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	513 %! 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	514 %! 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	515 %! else
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	516 %! 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	517 %! 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	518 %! endif
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	519 %! endif
14085 4e8f23ccadce test: Use internal prefix "__" for %!functions to avoid polluting workspace Rik <octave@nomad.inbox5.com> parents: 13971 diff changeset	520 %!endfunction
4e8f23ccadce test: Use internal prefix "__" for %!functions to avoid polluting workspace Rik <octave@nomad.inbox5.com> parents: 13971 diff changeset	521
7814 87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	522 %!test
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	523 %! 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	524 %! j = 1;
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	525 %!
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	526 %! 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	527 %! a = rand (5000, 20);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	528 %! [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	529 %! [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	530 %! [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	531 %! [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	532 %!
7814 87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	533 %! 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	534 %! [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	535 %! [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	536 %! [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	537 %! [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	538 %! endif
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	539 %!
7814 87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	540 %! 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	541 %! [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	542 %! [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	543 %! [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	544 %! [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	545 %!
7814 87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	546 %! 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	547 %! [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	548 %! [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	549 %! [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	550 %! [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	551 %!
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	552 %! 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	553 %! [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	554 %! [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	555 %! [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	556 %! [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	557 %!
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	558 %! a = a+1i*eps;
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	559 %! [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	560 %! [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	561 %! [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	562 %! [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	563 %!
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	564 %! 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	565 %! 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	566 %! -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	567 %! 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	568 %! -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	569 %! -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	570 %! -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	571 %! 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	572 %! [q,r] = qr (a);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	573 %!
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	574 %! 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	575
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	576 %!test
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	577 %! 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	578 %!
7814 87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	579 %! [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	580 %! [qe, re] = qr (a, 0);
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	581 %!
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	582 %! 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	583 %! 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	584
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	585 %!test
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	586 %! 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	587 %!
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	588 %! [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	589 %! [qe, re, pe] = qr (a, 0);
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	590 %!
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	591 %! 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	592 %! 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	593
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	594 %!test
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	595 %! 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	596 %!
7814 87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	597 %! [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	598 %! [qe, re] = qr (a, 0);
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	599 %!
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	600 %! 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	601 %! 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	602
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	603 %!test
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	604 %! 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	605 %!
7814 87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	606 %! [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	607 %! [qe, re, pe] = qr (a, 0);
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	608 %!
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	609 %! 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	610 %! 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	611
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	612 %!error qr ()
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	613 %!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	614
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	615 %!test
87865ed7405f Second set of single precision test code and fix of resulting bugs David Bateman <dbateman@free.fr> parents: 7789 diff changeset	616 %! 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	617 %! j = 1;
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	618 %!
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	619 %! 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	620 %! a = rand (5000,20);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	621 %! [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	622 %! [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	623 %! [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	624 %! [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	625 %!
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	626 %! 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	627 %! [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	628 %! [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	629 %! [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	630 %! [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	631 %! endif
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	632 %!
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	633 %! 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	634 %! [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	635 %! [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	636 %! [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	637 %! [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	638 %!
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	639 %! 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	640 %! [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	641 %! [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	642 %! [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	643 %! [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	644 %!
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	645 %! 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	646 %! [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	647 %! [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	648 %! [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	649 %! [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	650 %!
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	651 %! 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	652 %! [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	653 %! [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	654 %! [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	655 %! [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	656 %!
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	657 %! 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	658 %! 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	659 %! -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	660 %! 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	661 %! -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	662 %! -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	663 %! -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	664 %! 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	665 %! [q,r] = qr (a);
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 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 %! 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	668
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	669 ## 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	670 ## 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	671
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	672 %!testif HAVE_CXSPARSE
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	673 %! 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	674 %! 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	675 %! r = qr (a);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	676 %! 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	677
12329 5f203b5bbf98 Use testif to only run some sparse tests when necessary libraries are installed. Rik <octave@nomad.inbox5.com> parents: 11586 diff changeset	678 %!testif HAVE_COLAMD
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	679 %! 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	680 %! 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	681 %! 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	682 %! 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	683 %! r = qr (a);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	684 %! 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	685
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	686 %!testif HAVE_CXSPARSE
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	687 %! 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	688 %! 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	689 %! [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	690 %! 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	691
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	692 %!testif HAVE_CXSPARSE
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	693 %! 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	694 %! 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	695 %! b = randn (n,2);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	696 %! [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	697 %! 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	698
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	699 %% 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	700 %!#testif HAVE_CXSPARSE
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	701 %! 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	702 %! 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	703 %! b = randn (n,2);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	704 %! [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	705 %! 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	706
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	707 %!testif HAVE_CXSPARSE
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	708 %! 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	709 %! 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	710 %! r = qr (a);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	711 %! 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	712
12329 5f203b5bbf98 Use testif to only run some sparse tests when necessary libraries are installed. Rik <octave@nomad.inbox5.com> parents: 11586 diff changeset	713 %!testif HAVE_COLAMD
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	714 %! 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	715 %! 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	716 %! 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	717 %! 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	718 %! r = qr (a);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	719 %! 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	720
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	721 %!testif HAVE_CXSPARSE
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	722 %! 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	723 %! 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	724 %! [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	725 %! 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	726
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	727 %!testif HAVE_CXSPARSE
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	728 %! 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	729 %! 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	730 %! b = randn (n,2);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	731 %! [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	732 %! 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	733
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	734 %% 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	735 %!#testif HAVE_CXSPARSE
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	736 %! 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	737 %! 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	738 %! b = randn (n,2);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	739 %! [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	740 %! 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	741
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	742 %!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	743 */
f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	744
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8517 diff changeset	745 static
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8517 diff changeset	746 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	747 bool allow_ecf = false)
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8517 diff changeset	748 {
18099 6a71e5030df5 Follow coding convention of defining and initializing only 1 variable per line in liboctinterp. Rik <rik@octave.org> parents: 17787 diff changeset	749 octave_idx_type m = q.rows ();
6a71e5030df5 Follow coding convention of defining and initializing only 1 variable per line in liboctinterp. Rik <rik@octave.org> parents: 17787 diff changeset	750 octave_idx_type k = r.rows ();
6a71e5030df5 Follow coding convention of defining and initializing only 1 variable per line in liboctinterp. Rik <rik@octave.org> parents: 17787 diff changeset	751 octave_idx_type n = r.columns ();
8798 53f8fca6dd69 fix typo in qr.cc Jaroslav Hajek <highegg@gmail.com> parents: 8597 diff changeset	752 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	753 && (m == k \|\| (allow_ecf && k == n && k < m)));
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8517 diff changeset	754 }
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8517 diff changeset	755
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	756 static
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8517 diff changeset	757 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	758 {
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	759 return ((i.is_real_type () \|\| i.is_integer_type ())
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8517 diff changeset	760 && (i.is_scalar_type () \|\| vector_allowed));
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8517 diff changeset	761 }
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8517 diff changeset	762
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	763 DEFUN_DLD (qrupdate, args, ,
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	764 "-- texinfo --\n\
7650 eb7bdde776f2 Texinfo fixes John W. Eaton <jwe@octave.org> parents: 7560 diff changeset	765 @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	766 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	767 @w{@var{A} = @var{Q}*@var{R}}, @var{Q}@tie{}unitary and\n\
20373 075a5e2e1ba5 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19898 diff changeset	768 @var{R}@tie{}upper trapezoidal, return the QR@tie{}factorization of\n\
075a5e2e1ba5 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19898 diff changeset	769 @w{@var{A} + @var{u}*@var{v}'}, where @var{u} and @var{v} are column vectors\n\
075a5e2e1ba5 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19898 diff changeset	770 (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	771 (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	772 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	773 to recompute the factorization from scratch.\n\
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	774 \n\
20373 075a5e2e1ba5 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19898 diff changeset	775 The QR@tie{}factorization supplied may be either full (Q is square) or\n\
075a5e2e1ba5 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19898 diff changeset	776 economized (R is square).\n\
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8517 diff changeset	777 \n\
16920 53eaa83e4181 doc: Add seealso links between various factorization forms. Rik <rik@octave.org> parents: 15195 diff changeset	778 @seealso{qr, qrinsert, qrdelete, qrshift}\n\
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	779 @end deftypefn")
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	780 {
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	781 octave_idx_type nargin = args.length ();
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	782 octave_value_list retval;
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	783
7559 07522d7dcdf8 fixes to QR and Cholesky updating code Jaroslav Hajek <highegg@gmail.com> parents: 7554 diff changeset	784 if (nargin != 4)
07522d7dcdf8 fixes to QR and Cholesky updating code Jaroslav Hajek <highegg@gmail.com> parents: 7554 diff changeset	785 {
07522d7dcdf8 fixes to QR and Cholesky updating code Jaroslav Hajek <highegg@gmail.com> parents: 7554 diff changeset	786 print_usage ();
07522d7dcdf8 fixes to QR and Cholesky updating code Jaroslav Hajek <highegg@gmail.com> parents: 7554 diff changeset	787 return retval;
07522d7dcdf8 fixes to QR and Cholesky updating code Jaroslav Hajek <highegg@gmail.com> parents: 7554 diff changeset	788 }
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	789
7559 07522d7dcdf8 fixes to QR and Cholesky updating code Jaroslav Hajek <highegg@gmail.com> parents: 7554 diff changeset	790 octave_value argq = args(0);
07522d7dcdf8 fixes to QR and Cholesky updating code Jaroslav Hajek <highegg@gmail.com> parents: 7554 diff changeset	791 octave_value argr = args(1);
07522d7dcdf8 fixes to QR and Cholesky updating code Jaroslav Hajek <highegg@gmail.com> parents: 7554 diff changeset	792 octave_value argu = args(2);
07522d7dcdf8 fixes to QR and Cholesky updating code Jaroslav Hajek <highegg@gmail.com> parents: 7554 diff changeset	793 octave_value argv = args(3);
07522d7dcdf8 fixes to QR and Cholesky updating code Jaroslav Hajek <highegg@gmail.com> parents: 7554 diff changeset	794
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	795 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	796 && argu.is_numeric_type () && argv.is_numeric_type ())
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	797 {
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8517 diff changeset	798 if (check_qr_dims (argq, argr, true))
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	799 {
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	800 if (argq.is_real_type ()
12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	801 && argr.is_real_type ()
12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	802 && argu.is_real_type ()
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	803 && argv.is_real_type ())
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	804 {
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	805 // all real case
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	806 if (argq.is_single_type ()
12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	807 \|\| argr.is_single_type ()
12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	808 \|\| argu.is_single_type ()
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	809 \|\| argv.is_single_type ())
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	810 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	811 FloatMatrix Q = argq.float_matrix_value ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	812 FloatMatrix R = argr.float_matrix_value ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	813 FloatMatrix u = argu.float_matrix_value ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	814 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	815
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	816 FloatQR fact (Q, R);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	817 fact.update (u, v);
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	818
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	819 retval(1) = get_qr_r (fact);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	820 retval(0) = fact.Q ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	821 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	822 else
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	823 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	824 Matrix Q = argq.matrix_value ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	825 Matrix R = argr.matrix_value ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	826 Matrix u = argu.matrix_value ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	827 Matrix v = argv.matrix_value ();
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	828
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	829 QR fact (Q, R);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	830 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	831
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	832 retval(1) = get_qr_r (fact);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	833 retval(0) = fact.Q ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	834 }
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	835 }
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	836 else
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	837 {
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	838 // complex case
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	839 if (argq.is_single_type ()
12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	840 \|\| argr.is_single_type ()
12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	841 \|\| argu.is_single_type ()
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	842 \|\| argv.is_single_type ())
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	843 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	844 FloatComplexMatrix Q = argq.float_complex_matrix_value ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	845 FloatComplexMatrix R = argr.float_complex_matrix_value ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	846 FloatComplexMatrix u = argu.float_complex_matrix_value ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	847 FloatComplexMatrix v = argv.float_complex_matrix_value ();
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	848
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	849 FloatComplexQR fact (Q, R);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	850 fact.update (u, v);
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	851
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	852 retval(1) = get_qr_r (fact);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	853 retval(0) = fact.Q ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	854 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	855 else
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	856 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	857 ComplexMatrix Q = argq.complex_matrix_value ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	858 ComplexMatrix R = argr.complex_matrix_value ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	859 ComplexMatrix u = argu.complex_matrix_value ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	860 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	861
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	862 ComplexQR fact (Q, R);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	863 fact.update (u, v);
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	864
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	865 retval(1) = get_qr_r (fact);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	866 retval(0) = fact.Q ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	867 }
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 }
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	870 else
11553 01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	871 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	872 }
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	873 else
11553 01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	874 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	875
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	876 return retval;
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	877 }
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	878
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	879 /*
7886 e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	880 %!shared A, u, v, Ac, uc, vc
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	881 %! A = [0.091364 0.613038 0.999083;
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	882 %! 0.594638 0.425302 0.603537;
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	883 %! 0.383594 0.291238 0.085574;
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	884 %! 0.265712 0.268003 0.238409;
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	885 %! 0.669966 0.743851 0.445057 ];
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	886 %!
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	887 %! u = [0.85082;
12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	888 %! 0.76426;
12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	889 %! 0.42883;
12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	890 %! 0.53010;
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	891 %! 0.80683 ];
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	892 %!
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	893 %! v = [0.98810;
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	894 %! 0.24295;
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	895 %! 0.43167 ];
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	896 %!
7886 e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	897 %! 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	898 %! 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	899 %! 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	900 %! 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	901 %! 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	902 %!
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	903 %! 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	904 %! 0.13141 + 0.43708i;
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	905 %! 0.29808 + 0.08789i;
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	906 %! 0.69821 + 0.38844i;
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	907 %! 0.74871 + 0.25821i ];
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 %! 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	910 %! 0.20820 + 0.93090i;
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	911 %! 0.86184 + 0.34689i ];
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	912 %!
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	913
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	914 %!test
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	915 %! [Q,R] = qr (A);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	916 %! [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	917 %! 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	918 %! 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	919 %! 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	920 %!
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	921 %!test
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	922 %! [Q,R] = qr (Ac);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	923 %! [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	924 %! 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	925 %! 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	926 %! 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	927
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	928 %!test
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	929 %! [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	930 %! [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	931 %! 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	932 %! 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	933 %! 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	934 %!
7886 e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	935 %!test
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	936 %! [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	937 %! [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	938 %! 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	939 %! 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	940 %! 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	941 */
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	942
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	943 DEFUN_DLD (qrinsert, args, ,
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	944 "-- texinfo --\n\
7650 eb7bdde776f2 Texinfo fixes John W. Eaton <jwe@octave.org> parents: 7560 diff changeset	945 @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	946 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	947 @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	948 @var{R}@tie{}upper trapezoidal, return the QR@tie{}factorization of\n\
20373 075a5e2e1ba5 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19898 diff changeset	949 @w{[A(:,1:j-1) x A(:,j:n)]}, where @var{u} is a column vector to be inserted\n\
075a5e2e1ba5 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19898 diff changeset	950 into @var{A} (if @var{orient} is @qcode{\"col\"}), or the\n\
075a5e2e1ba5 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19898 diff changeset	951 QR@tie{}factorization of @w{[A(1:j-1,:);x;A(:,j:n)]}, where @var{x} is a row\n\
075a5e2e1ba5 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19898 diff changeset	952 vector to be inserted into @var{A} (if @var{orient} is @qcode{\"row\"}).\n\
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	953 \n\
20373 075a5e2e1ba5 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19898 diff changeset	954 The default value of @var{orient} is @qcode{\"col\"}. If @var{orient} is\n\
075a5e2e1ba5 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19898 diff changeset	955 @qcode{\"col\"}, @var{u} may be a matrix and @var{j} an index vector\n\
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8517 diff changeset	956 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	957 @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	958 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	959 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	960 recompute the factorization from scratch.\n\
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	961 \n\
20373 075a5e2e1ba5 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19898 diff changeset	962 If @var{orient} is @qcode{\"col\"}, the QR@tie{}factorization supplied may\n\
075a5e2e1ba5 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19898 diff changeset	963 be either full (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	964 \n\
17281 bc924baa2c4e doc: Add new @qcode macro for code samples which are quoted. Rik <rik@octave.org> parents: 16920 diff changeset	965 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	966 @seealso{qr, qrupdate, qrdelete, qrshift}\n\
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	967 @end deftypefn")
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	968 {
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	969 octave_idx_type nargin = args.length ();
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	970 octave_value_list retval;
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	971
7559 07522d7dcdf8 fixes to QR and Cholesky updating code Jaroslav Hajek <highegg@gmail.com> parents: 7554 diff changeset	972 if (nargin < 4 \|\| nargin > 5)
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	973 {
7559 07522d7dcdf8 fixes to QR and Cholesky updating code Jaroslav Hajek <highegg@gmail.com> parents: 7554 diff changeset	974 print_usage ();
07522d7dcdf8 fixes to QR and Cholesky updating code Jaroslav Hajek <highegg@gmail.com> parents: 7554 diff changeset	975 return retval;
07522d7dcdf8 fixes to QR and Cholesky updating code Jaroslav Hajek <highegg@gmail.com> parents: 7554 diff changeset	976 }
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	977
7559 07522d7dcdf8 fixes to QR and Cholesky updating code Jaroslav Hajek <highegg@gmail.com> parents: 7554 diff changeset	978 octave_value argq = args(0);
07522d7dcdf8 fixes to QR and Cholesky updating code Jaroslav Hajek <highegg@gmail.com> parents: 7554 diff changeset	979 octave_value argr = args(1);
07522d7dcdf8 fixes to QR and Cholesky updating code Jaroslav Hajek <highegg@gmail.com> parents: 7554 diff changeset	980 octave_value argj = args(2);
07522d7dcdf8 fixes to QR and Cholesky updating code Jaroslav Hajek <highegg@gmail.com> parents: 7554 diff changeset	981 octave_value argx = args(3);
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	982
8469 830a03b5f165 qr.cc: require args to be numeric, not necessarily matrix objects John W. Eaton <jwe@octave.org> parents: 8367 diff changeset	983 if (argq.is_numeric_type () && argr.is_numeric_type ()
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8517 diff changeset	984 && argx.is_numeric_type ()
7559 07522d7dcdf8 fixes to QR and Cholesky updating code Jaroslav Hajek <highegg@gmail.com> parents: 7554 diff changeset	985 && (nargin < 5 \|\| args(4).is_string ()))
07522d7dcdf8 fixes to QR and Cholesky updating code Jaroslav Hajek <highegg@gmail.com> parents: 7554 diff changeset	986 {
07522d7dcdf8 fixes to QR and Cholesky updating code Jaroslav Hajek <highegg@gmail.com> parents: 7554 diff changeset	987 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	988
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8517 diff changeset	989 bool col = orient == "col";
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	990
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8517 diff changeset	991 if (col \|\| orient == "row")
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	992 if (check_qr_dims (argq, argr, col)
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8517 diff changeset	993 && (col \|\| argx.rows () == 1))
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	994 {
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8517 diff changeset	995 if (check_index (argj, col))
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	996 {
8811 20dfb885f877 int -> octave_idx fixes John W. Eaton <jwe@octave.org> parents: 8798 diff changeset	997 MArray<octave_idx_type> j
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	998 = argj.octave_idx_type_vector_value ();
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8517 diff changeset	999
10258 e317791645c4 64-bit fixes John W. Eaton <jwe@octave.org> parents: 10155 diff changeset	1000 octave_idx_type one = 1;
e317791645c4 64-bit fixes John W. Eaton <jwe@octave.org> parents: 10155 diff changeset	1001
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	1002 if (argq.is_real_type ()
12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	1003 && argr.is_real_type ()
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1004 && argx.is_real_type ())
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1005 {
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1006 // real case
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	1007 if (argq.is_single_type ()
12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	1008 \|\| argr.is_single_type ()
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1009 \|\| argx.is_single_type ())
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1010 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1011 FloatMatrix Q = argq.float_matrix_value ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1012 FloatMatrix R = argr.float_matrix_value ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1013 FloatMatrix x = argx.float_matrix_value ();
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1014
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1015 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	1016
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	1017 if (col)
10258 e317791645c4 64-bit fixes John W. Eaton <jwe@octave.org> parents: 10155 diff changeset	1018 fact.insert_col (x, j-one);
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	1019 else
10258 e317791645c4 64-bit fixes John W. Eaton <jwe@octave.org> parents: 10155 diff changeset	1020 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	1021
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1022 retval(1) = get_qr_r (fact);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1023 retval(0) = fact.Q ();
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1024
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1025 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1026 else
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1027 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1028 Matrix Q = argq.matrix_value ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1029 Matrix R = argr.matrix_value ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1030 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	1031
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1032 QR fact (Q, R);
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1033
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	1034 if (col)
10258 e317791645c4 64-bit fixes John W. Eaton <jwe@octave.org> parents: 10155 diff changeset	1035 fact.insert_col (x, j-one);
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	1036 else
10258 e317791645c4 64-bit fixes John W. Eaton <jwe@octave.org> parents: 10155 diff changeset	1037 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	1038
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1039 retval(1) = get_qr_r (fact);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1040 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	1041
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1042 }
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1043 }
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1044 else
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1045 {
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1046 // complex case
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	1047 if (argq.is_single_type ()
12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	1048 \|\| argr.is_single_type ()
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1049 \|\| argx.is_single_type ())
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1050 {
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	1051 FloatComplexMatrix Q =
175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	1052 argq.float_complex_matrix_value ();
175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	1053 FloatComplexMatrix R =
175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	1054 argr.float_complex_matrix_value ();
175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	1055 FloatComplexMatrix x =
175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	1056 argx.float_complex_matrix_value ();
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1057
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1058 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	1059
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	1060 if (col)
10258 e317791645c4 64-bit fixes John W. Eaton <jwe@octave.org> parents: 10155 diff changeset	1061 fact.insert_col (x, j-one);
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	1062 else
10258 e317791645c4 64-bit fixes John W. Eaton <jwe@octave.org> parents: 10155 diff changeset	1063 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	1064
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1065 retval(1) = get_qr_r (fact);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1066 retval(0) = fact.Q ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1067 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1068 else
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1069 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1070 ComplexMatrix Q = argq.complex_matrix_value ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1071 ComplexMatrix R = argr.complex_matrix_value ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1072 ComplexMatrix x = argx.complex_matrix_value ();
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1073
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1074 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	1075
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	1076 if (col)
10258 e317791645c4 64-bit fixes John W. Eaton <jwe@octave.org> parents: 10155 diff changeset	1077 fact.insert_col (x, j-one);
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	1078 else
10258 e317791645c4 64-bit fixes John W. Eaton <jwe@octave.org> parents: 10155 diff changeset	1079 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	1080
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1081 retval(1) = get_qr_r (fact);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1082 retval(0) = fact.Q ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1083 }
7553 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 }
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1087 else
11553 01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	1088 error ("qrinsert: invalid index J");
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1089 }
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1090 else
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1091 error ("qrinsert: dimension mismatch");
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1092
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1093 else
11553 01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	1094 error ("qrinsert: ORIENT must be \"col\" or \"row\"");
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1095 }
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1096 else
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1097 print_usage ();
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1098
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1099 return retval;
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 /*
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1103 %!test
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1104 %! [Q,R] = qr (A);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1105 %! [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	1106 %! 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	1107 %! 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	1108 %! 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	1109 %!test
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1110 %! [Q,R] = qr (Ac);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1111 %! [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	1112 %! 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	1113 %! 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	1114 %! 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	1115 %!test
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1116 %! x = [0.85082 0.76426 0.42883 ];
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1117 %!
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1118 %! [Q,R] = qr (A);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1119 %! [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	1120 %! 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	1121 %! 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	1122 %! 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	1123 %!test
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1124 %! 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	1125 %!
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1126 %! [Q,R] = qr (Ac);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1127 %! [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	1128 %! 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	1129 %! 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	1130 %! 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	1131
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1132 %!test
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1133 %! [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	1134 %! [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	1135 %! 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	1136 %! 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	1137 %! 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	1138 %!test
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1139 %! [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	1140 %! [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	1141 %! 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	1142 %! 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	1143 %! 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	1144 %!test
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1145 %! 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	1146 %!
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1147 %! [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	1148 %! [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	1149 %! 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	1150 %! 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	1151 %! 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	1152 %!test
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1153 %! 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	1154 %!
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1155 %! [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	1156 %! [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	1157 %! 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	1158 %! 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	1159 %! 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	1160 */
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1161
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1162 DEFUN_DLD (qrdelete, args, ,
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	1163 "-- texinfo --\n\
7650 eb7bdde776f2 Texinfo fixes John W. Eaton <jwe@octave.org> parents: 7560 diff changeset	1164 @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	1165 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	1166 @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	1167 @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	1168 @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	1169 (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	1170 @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	1171 @var{orient} is @qcode{\"row\"}).\n\
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1172 \n\
17281 bc924baa2c4e doc: Add new @qcode macro for code samples which are quoted. Rik <rik@octave.org> parents: 16920 diff changeset	1173 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	1174 \n\
20373 075a5e2e1ba5 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19898 diff changeset	1175 If @var{orient} is @qcode{\"col\"}, @var{j} may be an index vector\n\
8547 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\
20373 075a5e2e1ba5 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19898 diff changeset	1177 @w{A(:,@var{j}) = []} gives @var{B}. Notice that the latter case is done as\n\
075a5e2e1ba5 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19898 diff changeset	1178 a sequence of k deletions; thus, for k large enough, it will be both faster\n\
075a5e2e1ba5 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19898 diff changeset	1179 and more accurate to recompute the factorization from scratch.\n\
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1180 \n\
20373 075a5e2e1ba5 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19898 diff changeset	1181 If @var{orient} is @qcode{\"col\"}, the QR@tie{}factorization supplied may\n\
075a5e2e1ba5 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19898 diff changeset	1182 be either full (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	1183 \n\
17281 bc924baa2c4e doc: Add new @qcode macro for code samples which are quoted. Rik <rik@octave.org> parents: 16920 diff changeset	1184 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	1185 @seealso{qr, qrupdate, qrinsert, qrshift}\n\
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1186 @end deftypefn")
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1187 {
7559 07522d7dcdf8 fixes to QR and Cholesky updating code Jaroslav Hajek <highegg@gmail.com> parents: 7554 diff changeset	1188 octave_idx_type nargin = args.length ();
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1189 octave_value_list retval;
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1190
7559 07522d7dcdf8 fixes to QR and Cholesky updating code Jaroslav Hajek <highegg@gmail.com> parents: 7554 diff changeset	1191 if (nargin < 3 \|\| nargin > 4)
07522d7dcdf8 fixes to QR and Cholesky updating code Jaroslav Hajek <highegg@gmail.com> parents: 7554 diff changeset	1192 {
07522d7dcdf8 fixes to QR and Cholesky updating code Jaroslav Hajek <highegg@gmail.com> parents: 7554 diff changeset	1193 print_usage ();
07522d7dcdf8 fixes to QR and Cholesky updating code Jaroslav Hajek <highegg@gmail.com> parents: 7554 diff changeset	1194 return retval;
07522d7dcdf8 fixes to QR and Cholesky updating code Jaroslav Hajek <highegg@gmail.com> parents: 7554 diff changeset	1195 }
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1196
7559 07522d7dcdf8 fixes to QR and Cholesky updating code Jaroslav Hajek <highegg@gmail.com> parents: 7554 diff changeset	1197 octave_value argq = args(0);
07522d7dcdf8 fixes to QR and Cholesky updating code Jaroslav Hajek <highegg@gmail.com> parents: 7554 diff changeset	1198 octave_value argr = args(1);
07522d7dcdf8 fixes to QR and Cholesky updating code Jaroslav Hajek <highegg@gmail.com> parents: 7554 diff changeset	1199 octave_value argj = args(2);
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1200
8469 830a03b5f165 qr.cc: require args to be numeric, not necessarily matrix objects John W. Eaton <jwe@octave.org> parents: 8367 diff changeset	1201 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	1202 && (nargin < 4 \|\| args(3).is_string ()))
07522d7dcdf8 fixes to QR and Cholesky updating code Jaroslav Hajek <highegg@gmail.com> parents: 7554 diff changeset	1203 {
07522d7dcdf8 fixes to QR and Cholesky updating code Jaroslav Hajek <highegg@gmail.com> parents: 7554 diff changeset	1204 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	1205
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8517 diff changeset	1206 bool col = orient == "col";
7559 07522d7dcdf8 fixes to QR and Cholesky updating code Jaroslav Hajek <highegg@gmail.com> parents: 7554 diff changeset	1207
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8517 diff changeset	1208 if (col \|\| orient == "row")
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8517 diff changeset	1209 if (check_qr_dims (argq, argr, col))
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1210 {
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8517 diff changeset	1211 if (check_index (argj, col))
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1212 {
8811 20dfb885f877 int -> octave_idx fixes John W. Eaton <jwe@octave.org> parents: 8798 diff changeset	1213 MArray<octave_idx_type> j
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1214 = argj.octave_idx_type_vector_value ();
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8517 diff changeset	1215
10258 e317791645c4 64-bit fixes John W. Eaton <jwe@octave.org> parents: 10155 diff changeset	1216 octave_idx_type one = 1;
e317791645c4 64-bit fixes John W. Eaton <jwe@octave.org> parents: 10155 diff changeset	1217
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8517 diff changeset	1218 if (argq.is_real_type ()
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1219 && argr.is_real_type ())
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1220 {
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1221 // real case
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1222 if (argq.is_single_type ()
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1223 \|\| argr.is_single_type ())
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1224 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1225 FloatMatrix Q = argq.float_matrix_value ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1226 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	1227
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1228 FloatQR fact (Q, R);
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1229
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	1230 if (col)
10258 e317791645c4 64-bit fixes John W. Eaton <jwe@octave.org> parents: 10155 diff changeset	1231 fact.delete_col (j-one);
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	1232 else
10258 e317791645c4 64-bit fixes John W. Eaton <jwe@octave.org> parents: 10155 diff changeset	1233 fact.delete_row (j(0)-one);
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1234
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1235 retval(1) = get_qr_r (fact);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1236 retval(0) = fact.Q ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1237 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1238 else
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 Matrix Q = argq.matrix_value ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1241 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	1242
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1243 QR fact (Q, R);
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1244
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	1245 if (col)
10258 e317791645c4 64-bit fixes John W. Eaton <jwe@octave.org> parents: 10155 diff changeset	1246 fact.delete_col (j-one);
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	1247 else
10258 e317791645c4 64-bit fixes John W. Eaton <jwe@octave.org> parents: 10155 diff changeset	1248 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	1249
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1250 retval(1) = get_qr_r (fact);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1251 retval(0) = fact.Q ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1252 }
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1253 }
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1254 else
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 // complex case
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1257 if (argq.is_single_type ()
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1258 \|\| argr.is_single_type ())
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1259 {
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	1260 FloatComplexMatrix Q =
175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	1261 argq.float_complex_matrix_value ();
175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	1262 FloatComplexMatrix R =
175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	1263 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	1264
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1265 FloatComplexQR fact (Q, R);
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1266
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	1267 if (col)
10258 e317791645c4 64-bit fixes John W. Eaton <jwe@octave.org> parents: 10155 diff changeset	1268 fact.delete_col (j-one);
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	1269 else
10258 e317791645c4 64-bit fixes John W. Eaton <jwe@octave.org> parents: 10155 diff changeset	1270 fact.delete_row (j(0)-one);
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1271
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1272 retval(1) = get_qr_r (fact);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1273 retval(0) = fact.Q ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1274 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1275 else
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 ComplexMatrix Q = argq.complex_matrix_value ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1278 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	1279
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1280 ComplexQR fact (Q, R);
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1281
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	1282 if (col)
10258 e317791645c4 64-bit fixes John W. Eaton <jwe@octave.org> parents: 10155 diff changeset	1283 fact.delete_col (j-one);
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	1284 else
10258 e317791645c4 64-bit fixes John W. Eaton <jwe@octave.org> parents: 10155 diff changeset	1285 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	1286
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1287 retval(1) = get_qr_r (fact);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1288 retval(0) = fact.Q ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1289 }
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1290 }
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1291 }
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1292 else
11553 01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	1293 error ("qrdelete: invalid index J");
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1294 }
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1295 else
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1296 error ("qrdelete: dimension mismatch");
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1297
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1298 else
11553 01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	1299 error ("qrdelete: ORIENT must be \"col\" or \"row\"");
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1300 }
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1301 else
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1302 print_usage ();
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1303
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1304 return retval;
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1305 }
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	1306
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1307 /*
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1308 %!test
7886 e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1309 %! 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	1310 %! 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	1311 %! 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	1312 %! 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	1313 %! 0.669966 0.743851 0.457255 0.445057 ];
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1314 %!
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1315 %! [Q,R] = qr (AA);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1316 %! [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	1317 %! 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	1318 %! 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	1319 %! 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	1320 %!
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1321 %!test
7886 e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1322 %! 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	1323 %! 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	1324 %! 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	1325 %! 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	1326 %! 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	1327 %!
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1328 %! [Q,R] = qr (AA);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1329 %! [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	1330 %! 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	1331 %! 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	1332 %! 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	1333 %!
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1334 %!test
7886 e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1335 %! 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	1336 %! 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	1337 %! 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	1338 %! 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	1339 %! 0.669966 0.743851 0.457255 0.445057 ];
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1340 %!
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1341 %! [Q,R] = qr (AA);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1342 %! [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	1343 %! 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	1344 %! 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	1345 %! 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	1346 %!
7886 e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1347 %!test
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1348 %! 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	1349 %! 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	1350 %! 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	1351 %! 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	1352 %! 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	1353 %!
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1354 %! [Q,R] = qr (AA);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1355 %! [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	1356 %! 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	1357 %! 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	1358 %! 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	1359
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1360 %!test
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1361 %! 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	1362 %! 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	1363 %! 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	1364 %! 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	1365 %! 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	1366 %!
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1367 %! [Q,R] = qr (AA);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1368 %! [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	1369 %! 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	1370 %! 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	1371 %! 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	1372 %!
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1373 %!test
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1374 %! 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	1375 %! 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	1376 %! 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	1377 %! 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	1378 %! 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	1379 %!
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1380 %! [Q,R] = qr (AA);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1381 %! [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	1382 %! 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	1383 %! 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	1384 %! 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	1385 %!
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7505 diff changeset	1386 %!test
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1387 %! 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	1388 %! 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	1389 %! 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	1390 %! 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	1391 %! 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	1392 %!
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1393 %! [Q,R] = qr (AA);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1394 %! [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	1395 %! 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	1396 %! 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	1397 %! 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	1398 %!testif HAVE_QRUPDATE
17336 b81b9d079515 Use '##' for comments which stand alone on a line. Rik <rik@octave.org> parents: 17281 diff changeset	1399 %! ## 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	1400 %! 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	1401 %! 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	1402 %! 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	1403 %! 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	1404 %! 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	1405 %!
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1406 %! [Q,R] = qr (AA);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1407 %! [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	1408 %! 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	1409 %! 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	1410 %! 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	1411 %!
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1412 %!test
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1413 %! 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	1414 %! 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	1415 %! 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	1416 %! 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	1417 %! 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	1418 %!
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1419 %! [Q,R] = qr (AA);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1420 %! [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	1421 %! 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	1422 %! 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	1423 %! 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	1424 */
7505 f5005d9510f4 Remove dispatched sparse functions and treat in the generic versions of the functions David Bateman <dbateman@free.fr> parents: 7491 diff changeset	1425
7700 efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7650 diff changeset	1426 DEFUN_DLD (qrshift, args, ,
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17744 diff changeset	1427 "-- texinfo --\n\
7700 efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7650 diff changeset	1428 @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	1429 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	1430 @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	1431 @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	1432 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	1433 @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	1434 or @*\n\
9064 7c02ec148a3c Check grammar on all .cc files Rik <rdrider0-list@yahoo.com> parents: 8869 diff changeset	1435 @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	1436 \n\
16920 53eaa83e4181 doc: Add seealso links between various factorization forms. Rik <rik@octave.org> parents: 15195 diff changeset	1437 @seealso{qr, qrupdate, qrinsert, qrdelete}\n\
7700 efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7650 diff changeset	1438 @end deftypefn")
efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7650 diff changeset	1439 {
efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7650 diff changeset	1440 octave_idx_type nargin = args.length ();
efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7650 diff changeset	1441 octave_value_list retval;
efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7650 diff changeset	1442
efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7650 diff changeset	1443 if (nargin != 4)
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 print_usage ();
efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7650 diff changeset	1446 return retval;
efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7650 diff changeset	1447 }
efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7650 diff changeset	1448
efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7650 diff changeset	1449 octave_value argq = args(0);
efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7650 diff changeset	1450 octave_value argr = args(1);
efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7650 diff changeset	1451 octave_value argi = args(2);
efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7650 diff changeset	1452 octave_value argj = args(3);
efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7650 diff changeset	1453
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8517 diff changeset	1454 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	1455 {
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8517 diff changeset	1456 if (check_qr_dims (argq, argr, true))
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8517 diff changeset	1457 {
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8517 diff changeset	1458 if (check_index (argi) && check_index (argj))
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 octave_idx_type i = argi.int_value ();
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8517 diff changeset	1461 octave_idx_type j = argj.int_value ();
7700 efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7650 diff changeset	1462
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	1463 if (argq.is_real_type ()
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8517 diff changeset	1464 && argr.is_real_type ())
7700 efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7650 diff changeset	1465 {
efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7650 diff changeset	1466 // all real case
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	1467 if (argq.is_single_type ()
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1468 && argr.is_single_type ())
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1469 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1470 FloatMatrix Q = argq.float_matrix_value ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1471 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	1472
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1473 FloatQR fact (Q, R);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1474 fact.shift_cols (i-1, j-1);
7700 efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7650 diff changeset	1475
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1476 retval(1) = get_qr_r (fact);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1477 retval(0) = fact.Q ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1478 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1479 else
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 Matrix Q = argq.matrix_value ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1482 Matrix R = argr.matrix_value ();
7700 efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7650 diff changeset	1483
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1484 QR fact (Q, R);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1485 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	1486
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1487 retval(1) = get_qr_r (fact);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1488 retval(0) = fact.Q ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1489 }
7700 efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7650 diff changeset	1490 }
efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7650 diff changeset	1491 else
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 // complex case
11586 12df7854fa7c strip trailing whitespace from source files John W. Eaton <jwe@octave.org> parents: 11553 diff changeset	1494 if (argq.is_single_type ()
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1495 && argr.is_single_type ())
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1496 {
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1497 FloatComplexMatrix Q = argq.float_complex_matrix_value ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1498 FloatComplexMatrix R = argr.float_complex_matrix_value ();
7700 efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7650 diff changeset	1499
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1500 FloatComplexQR fact (Q, R);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1501 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	1502
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1503 retval(1) = get_qr_r (fact);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1504 retval(0) = fact.Q ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1505 }
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1506 else
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 ComplexMatrix Q = argq.complex_matrix_value ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1509 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	1510
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1511 ComplexQR fact (Q, R);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1512 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	1513
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1514 retval(1) = get_qr_r (fact);
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1515 retval(0) = fact.Q ();
40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1516 }
7700 efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7650 diff changeset	1517 }
efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7650 diff changeset	1518 }
efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7650 diff changeset	1519 else
11553 01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	1520 error ("qrshift: invalid index I or J");
7700 efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7650 diff changeset	1521 }
efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7650 diff changeset	1522 else
10154 40dfc0c99116 DLD-FUNCTIONS/.cc: untabify John W. Eaton <jwe@octave.org>* parents: 9758 diff changeset	1523 error ("qrshift: dimensions mismatch");
7700 efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7650 diff changeset	1524 }
efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7650 diff changeset	1525 else
11553 01f703952eff Improve docstrings for functions in DLD-FUNCTIONS directory. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	1526 error ("qrshift: Q and R must be numeric");
7700 efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7650 diff changeset	1527
efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7650 diff changeset	1528 return retval;
efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7650 diff changeset	1529 }
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1530
7700 efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7650 diff changeset	1531 /*
efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7650 diff changeset	1532 %!test
7886 e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1533 %! AA = A.';
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1534 %! 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	1535 %!
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1536 %! [Q,R] = qr (AA);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1537 %! [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	1538 %! 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	1539 %! 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	1540 %! 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	1541 %!
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1542 %! 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	1543 %!
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1544 %! [Q,R] = qr (AA);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1545 %! [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	1546 %! 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	1547 %! 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	1548 %! 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	1549 %!
7886 e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1550 %!test
e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1551 %! AA = Ac.';
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1552 %! 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	1553 %!
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1554 %! [Q,R] = qr (AA);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1555 %! [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	1556 %! 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	1557 %! 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	1558 %! 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	1559 %!
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1560 %! 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	1561 %!
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1562 %! [Q,R] = qr (AA);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1563 %! [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	1564 %! 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	1565 %! 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	1566 %! 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	1567
7700 efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7650 diff changeset	1568 %!test
7886 e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1569 %! AA = single (A).';
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1570 %! 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	1571 %!
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1572 %! [Q,R] = qr (AA);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1573 %! [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	1574 %! 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	1575 %! 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	1576 %! 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	1577 %!
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1578 %! 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	1579 %!
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1580 %! [Q,R] = qr (AA);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1581 %! [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	1582 %! 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	1583 %! 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	1584 %! 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	1585 %!
7886 e3e94982dfd4 Convert qrshift, qrinsert, qrdelete, qrupdate to allow single precision arguments David Bateman <dbateman@free.fr> parents: 7814 diff changeset	1586 %!test
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1587 %! AA = single (Ac).';
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1588 %! 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	1589 %!
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1590 %! [Q,R] = qr (AA);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1591 %! [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	1592 %! 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	1593 %! 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	1594 %! 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	1595 %!
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1596 %! 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	1597 %!
14501 60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1598 %! [Q,R] = qr (AA);
60e5cf354d80 Update %!tests in DLD-FUNCTIONS/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14360 diff changeset	1599 %! [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	1600 %! 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	1601 %! 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	1602 %! 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	1603 */

Mercurial > hg > octave-nkf

annotate libinterp/dldfcn/qr.cc @ 20830:b65888ec820e draft default tip gccjit