octave: liboctave/dbleQR.cc annotate

annotate liboctave/dbleQR.cc @ 9235:b03953732530

Copy volatile variable to avoid MSVC compilation error

author	Michael Goffioul <michael.goffioul@gmail.com>
date	Thu, 21 May 2009 21:07:36 +0100
parents	20dfb885f877
children	7918eb15040c

rev	line source
457 3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	1 /*
3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	2
7017 a1dbe9d80eee [project @ 2007-10-12 21:27:11 by jwe] jwe parents: 7016 diff changeset	3 Copyright (C) 1994, 1995, 1996, 1997, 2002, 2003, 2004, 2005, 2007
a1dbe9d80eee [project @ 2007-10-12 21:27:11 by jwe] jwe parents: 7016 diff changeset	4 John W. Eaton
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	5 Copyright (C) 2008, 2009 Jaroslav Hajek
8597 c86718093c1b improve & fix QR classes Jaroslav Hajek <highegg@gmail.com> parents: 8562 diff changeset	6 Copyright (C) 2009 VZLU Prague
457 3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	7
3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	8 This file is part of Octave.
3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	9
3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	10 Octave is free software; you can redistribute it and/or modify it
3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	11 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: 5307 diff changeset	12 Free Software Foundation; either version 3 of the License, or (at your
93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 5307 diff changeset	13 option) any later version.
457 3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	14
3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	15 Octave is distributed in the hope that it will be useful, but WITHOUT
3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	16 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	17 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	18 for more details.
3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	19
3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	20 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: 5307 diff changeset	21 along with Octave; see the file COPYING. If not, see
93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 5307 diff changeset	22 <http://www.gnu.org/licenses/>.
457 3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	23
3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	24 */
3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	25
3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	26 #ifdef HAVE_CONFIG_H
1192 b6360f2d4fa6 [project @ 1995-03-30 21:38:35 by jwe] jwe parents: 1011 diff changeset	27 #include <config.h>
457 3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	28 #endif
3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	29
3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	30 #include "dbleQR.h"
1847 2ffe49eb95a5 [project @ 1996-02-03 12:47:55 by jwe] jwe parents: 1368 diff changeset	31 #include "f77-fcn.h"
457 3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	32 #include "lo-error.h"
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	33 #include "Range.h"
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	34 #include "idx-vector.h"
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	35 #include "oct-locbuf.h"
457 3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	36
3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	37 extern "C"
3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	38 {
4552 6f3382e08a52 [project @ 2003-10-27 20:38:02 by jwe] jwe parents: 4192 diff changeset	39 F77_RET_T
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5105 diff changeset	40 F77_FUNC (dgeqrf, DGEQRF) (const octave_idx_type&, const octave_idx_type&, double*, const octave_idx_type&,
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5105 diff changeset	41 double, double, const octave_idx_type&, octave_idx_type&);
457 3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	42
4552 6f3382e08a52 [project @ 2003-10-27 20:38:02 by jwe] jwe parents: 4192 diff changeset	43 F77_RET_T
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5105 diff changeset	44 F77_FUNC (dorgqr, DORGQR) (const octave_idx_type&, const octave_idx_type&, const octave_idx_type&, double*,
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5105 diff changeset	45 const octave_idx_type&, double, double, const octave_idx_type&, octave_idx_type&);
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	46
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	47 #ifdef HAVE_QRUPDATE
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	48
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	49 F77_RET_T
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	50 F77_FUNC (dqr1up, DQR1UP) (const octave_idx_type&, const octave_idx_type&, const octave_idx_type&,
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	51 double, const octave_idx_type&, double, const octave_idx_type&,
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	52 double, double, double*);
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	53
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	54 F77_RET_T
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	55 F77_FUNC (dqrinc, DQRINC) (const octave_idx_type&, const octave_idx_type&, const octave_idx_type&,
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	56 double, const octave_idx_type&, double, const octave_idx_type&,
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	57 const octave_idx_type&, const double, double);
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	58
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	59 F77_RET_T
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	60 F77_FUNC (dqrdec, DQRDEC) (const octave_idx_type&, const octave_idx_type&, const octave_idx_type&,
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	61 double, const octave_idx_type&, double, const octave_idx_type&,
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	62 const octave_idx_type&, double*);
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	63
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	64 F77_RET_T
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	65 F77_FUNC (dqrinr, DQRINR) (const octave_idx_type&, const octave_idx_type&,
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	66 double, const octave_idx_type&, double, const octave_idx_type&,
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	67 const octave_idx_type&, const double, double);
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	68
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	69 F77_RET_T
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	70 F77_FUNC (dqrder, DQRDER) (const octave_idx_type&, const octave_idx_type&,
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	71 double, const octave_idx_type&, double, const octave_idx_type&,
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	72 const octave_idx_type&, double*);
7700 efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7560 diff changeset	73
efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7560 diff changeset	74 F77_RET_T
efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7560 diff changeset	75 F77_FUNC (dqrshc, DQRSHC) (const octave_idx_type&, const octave_idx_type&, const octave_idx_type&,
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	76 double, const octave_idx_type&, double, const octave_idx_type&,
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	77 const octave_idx_type&, const octave_idx_type&,
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	78 double*);
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	79
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	80 #endif
457 3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	81 }
3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	82
539 5ec10a984241 [project @ 1994-07-21 22:40:04 by jwe] jwe parents: 457 diff changeset	83 QR::QR (const Matrix& a, QR::type qr_type)
2763 d9d00d7e271e [project @ 1997-03-01 02:14:33 by jwe] jwe parents: 2244 diff changeset	84 : q (), r ()
d9d00d7e271e [project @ 1997-03-01 02:14:33 by jwe] jwe parents: 2244 diff changeset	85 {
d9d00d7e271e [project @ 1997-03-01 02:14:33 by jwe] jwe parents: 2244 diff changeset	86 init (a, qr_type);
d9d00d7e271e [project @ 1997-03-01 02:14:33 by jwe] jwe parents: 2244 diff changeset	87 }
d9d00d7e271e [project @ 1997-03-01 02:14:33 by jwe] jwe parents: 2244 diff changeset	88
d9d00d7e271e [project @ 1997-03-01 02:14:33 by jwe] jwe parents: 2244 diff changeset	89 void
d9d00d7e271e [project @ 1997-03-01 02:14:33 by jwe] jwe parents: 2244 diff changeset	90 QR::init (const Matrix& a, QR::type qr_type)
457 3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	91 {
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5105 diff changeset	92 octave_idx_type m = a.rows ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5105 diff changeset	93 octave_idx_type n = a.cols ();
457 3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	94
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5105 diff changeset	95 octave_idx_type min_mn = m < n ? m : n;
8597 c86718093c1b improve & fix QR classes Jaroslav Hajek <highegg@gmail.com> parents: 8562 diff changeset	96 OCTAVE_LOCAL_BUFFER (double, tau, min_mn);
1921 ce0db0ca0729 [project @ 1996-02-11 02:31:58 by jwe] jwe parents: 1882 diff changeset	97
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5105 diff changeset	98 octave_idx_type info = 0;
457 3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	99
8597 c86718093c1b improve & fix QR classes Jaroslav Hajek <highegg@gmail.com> parents: 8562 diff changeset	100 Matrix afact = a;
c86718093c1b improve & fix QR classes Jaroslav Hajek <highegg@gmail.com> parents: 8562 diff changeset	101 if (m > n && qr_type == QR::std)
c86718093c1b improve & fix QR classes Jaroslav Hajek <highegg@gmail.com> parents: 8562 diff changeset	102 afact.resize (m, m);
c86718093c1b improve & fix QR classes Jaroslav Hajek <highegg@gmail.com> parents: 8562 diff changeset	103
c86718093c1b improve & fix QR classes Jaroslav Hajek <highegg@gmail.com> parents: 8562 diff changeset	104 if (m > 0)
c86718093c1b improve & fix QR classes Jaroslav Hajek <highegg@gmail.com> parents: 8562 diff changeset	105 {
c86718093c1b improve & fix QR classes Jaroslav Hajek <highegg@gmail.com> parents: 8562 diff changeset	106 // workspace query.
c86718093c1b improve & fix QR classes Jaroslav Hajek <highegg@gmail.com> parents: 8562 diff changeset	107 double rlwork;
c86718093c1b improve & fix QR classes Jaroslav Hajek <highegg@gmail.com> parents: 8562 diff changeset	108 F77_XFCN (dgeqrf, DGEQRF, (m, n, afact.fortran_vec (), m, tau, &rlwork, -1, info));
457 3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	109
8597 c86718093c1b improve & fix QR classes Jaroslav Hajek <highegg@gmail.com> parents: 8562 diff changeset	110 // allocate buffer and do the job.
8811 20dfb885f877 int -> octave_idx fixes John W. Eaton <jwe@octave.org> parents: 8806 diff changeset	111 octave_idx_type lwork = rlwork;
20dfb885f877 int -> octave_idx fixes John W. Eaton <jwe@octave.org> parents: 8806 diff changeset	112 lwork = std::max (lwork, static_cast<octave_idx_type> (1));
8597 c86718093c1b improve & fix QR classes Jaroslav Hajek <highegg@gmail.com> parents: 8562 diff changeset	113 OCTAVE_LOCAL_BUFFER (double, work, lwork);
c86718093c1b improve & fix QR classes Jaroslav Hajek <highegg@gmail.com> parents: 8562 diff changeset	114 F77_XFCN (dgeqrf, DGEQRF, (m, n, afact.fortran_vec (), m, tau, work, lwork, info));
c86718093c1b improve & fix QR classes Jaroslav Hajek <highegg@gmail.com> parents: 8562 diff changeset	115 }
457 3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	116
8597 c86718093c1b improve & fix QR classes Jaroslav Hajek <highegg@gmail.com> parents: 8562 diff changeset	117 form (n, afact, tau, qr_type);
c86718093c1b improve & fix QR classes Jaroslav Hajek <highegg@gmail.com> parents: 8562 diff changeset	118 }
c86718093c1b improve & fix QR classes Jaroslav Hajek <highegg@gmail.com> parents: 8562 diff changeset	119
c86718093c1b improve & fix QR classes Jaroslav Hajek <highegg@gmail.com> parents: 8562 diff changeset	120 void QR::form (octave_idx_type n, Matrix& afact,
c86718093c1b improve & fix QR classes Jaroslav Hajek <highegg@gmail.com> parents: 8562 diff changeset	121 double *tau, QR::type qr_type)
c86718093c1b improve & fix QR classes Jaroslav Hajek <highegg@gmail.com> parents: 8562 diff changeset	122 {
c86718093c1b improve & fix QR classes Jaroslav Hajek <highegg@gmail.com> parents: 8562 diff changeset	123 octave_idx_type m = afact.rows (), min_mn = std::min (m, n);
c86718093c1b improve & fix QR classes Jaroslav Hajek <highegg@gmail.com> parents: 8562 diff changeset	124 octave_idx_type info;
457 3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	125
7482 29980c6b8604 don't check f77_exception_encountered John W. Eaton <jwe@octave.org> parents: 7017 diff changeset	126 if (qr_type == QR::raw)
29980c6b8604 don't check f77_exception_encountered John W. Eaton <jwe@octave.org> parents: 7017 diff changeset	127 {
29980c6b8604 don't check f77_exception_encountered John W. Eaton <jwe@octave.org> parents: 7017 diff changeset	128 for (octave_idx_type j = 0; j < min_mn; j++)
29980c6b8604 don't check f77_exception_encountered John W. Eaton <jwe@octave.org> parents: 7017 diff changeset	129 {
29980c6b8604 don't check f77_exception_encountered John W. Eaton <jwe@octave.org> parents: 7017 diff changeset	130 octave_idx_type limit = j < min_mn - 1 ? j : min_mn - 1;
29980c6b8604 don't check f77_exception_encountered John W. Eaton <jwe@octave.org> parents: 7017 diff changeset	131 for (octave_idx_type i = limit + 1; i < m; i++)
8597 c86718093c1b improve & fix QR classes Jaroslav Hajek <highegg@gmail.com> parents: 8562 diff changeset	132 afact.elem (i, j) *= tau[j];
7482 29980c6b8604 don't check f77_exception_encountered John W. Eaton <jwe@octave.org> parents: 7017 diff changeset	133 }
29980c6b8604 don't check f77_exception_encountered John W. Eaton <jwe@octave.org> parents: 7017 diff changeset	134
8597 c86718093c1b improve & fix QR classes Jaroslav Hajek <highegg@gmail.com> parents: 8562 diff changeset	135 r = afact;
7482 29980c6b8604 don't check f77_exception_encountered John W. Eaton <jwe@octave.org> parents: 7017 diff changeset	136 }
539 5ec10a984241 [project @ 1994-07-21 22:40:04 by jwe] jwe parents: 457 diff changeset	137 else
457 3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	138 {
8597 c86718093c1b improve & fix QR classes Jaroslav Hajek <highegg@gmail.com> parents: 8562 diff changeset	139 // Attempt to minimize copying.
c86718093c1b improve & fix QR classes Jaroslav Hajek <highegg@gmail.com> parents: 8562 diff changeset	140 if (m >= n)
c86718093c1b improve & fix QR classes Jaroslav Hajek <highegg@gmail.com> parents: 8562 diff changeset	141 {
c86718093c1b improve & fix QR classes Jaroslav Hajek <highegg@gmail.com> parents: 8562 diff changeset	142 // afact will become q.
c86718093c1b improve & fix QR classes Jaroslav Hajek <highegg@gmail.com> parents: 8562 diff changeset	143 q = afact;
c86718093c1b improve & fix QR classes Jaroslav Hajek <highegg@gmail.com> parents: 8562 diff changeset	144 octave_idx_type k = qr_type == QR::economy ? n : m;
c86718093c1b improve & fix QR classes Jaroslav Hajek <highegg@gmail.com> parents: 8562 diff changeset	145 r = Matrix (k, n);
c86718093c1b improve & fix QR classes Jaroslav Hajek <highegg@gmail.com> parents: 8562 diff changeset	146 for (octave_idx_type j = 0; j < n; j++)
c86718093c1b improve & fix QR classes Jaroslav Hajek <highegg@gmail.com> parents: 8562 diff changeset	147 {
c86718093c1b improve & fix QR classes Jaroslav Hajek <highegg@gmail.com> parents: 8562 diff changeset	148 octave_idx_type i = 0;
c86718093c1b improve & fix QR classes Jaroslav Hajek <highegg@gmail.com> parents: 8562 diff changeset	149 for (; i <= j; i++)
c86718093c1b improve & fix QR classes Jaroslav Hajek <highegg@gmail.com> parents: 8562 diff changeset	150 r.xelem (i, j) = afact.xelem (i, j);
c86718093c1b improve & fix QR classes Jaroslav Hajek <highegg@gmail.com> parents: 8562 diff changeset	151 for (;i < k; i++)
c86718093c1b improve & fix QR classes Jaroslav Hajek <highegg@gmail.com> parents: 8562 diff changeset	152 r.xelem (i, j) = 0;
c86718093c1b improve & fix QR classes Jaroslav Hajek <highegg@gmail.com> parents: 8562 diff changeset	153 }
c86718093c1b improve & fix QR classes Jaroslav Hajek <highegg@gmail.com> parents: 8562 diff changeset	154 afact = Matrix (); // optimize memory
c86718093c1b improve & fix QR classes Jaroslav Hajek <highegg@gmail.com> parents: 8562 diff changeset	155 }
539 5ec10a984241 [project @ 1994-07-21 22:40:04 by jwe] jwe parents: 457 diff changeset	156 else
8597 c86718093c1b improve & fix QR classes Jaroslav Hajek <highegg@gmail.com> parents: 8562 diff changeset	157 {
c86718093c1b improve & fix QR classes Jaroslav Hajek <highegg@gmail.com> parents: 8562 diff changeset	158 // afact will become r.
c86718093c1b improve & fix QR classes Jaroslav Hajek <highegg@gmail.com> parents: 8562 diff changeset	159 q = Matrix (m, m);
c86718093c1b improve & fix QR classes Jaroslav Hajek <highegg@gmail.com> parents: 8562 diff changeset	160 for (octave_idx_type j = 0; j < m; j++)
c86718093c1b improve & fix QR classes Jaroslav Hajek <highegg@gmail.com> parents: 8562 diff changeset	161 for (octave_idx_type i = j + 1; i < m; i++)
c86718093c1b improve & fix QR classes Jaroslav Hajek <highegg@gmail.com> parents: 8562 diff changeset	162 {
c86718093c1b improve & fix QR classes Jaroslav Hajek <highegg@gmail.com> parents: 8562 diff changeset	163 q.xelem (i, j) = afact.xelem (i, j);
c86718093c1b improve & fix QR classes Jaroslav Hajek <highegg@gmail.com> parents: 8562 diff changeset	164 afact.xelem (i, j) = 0;
c86718093c1b improve & fix QR classes Jaroslav Hajek <highegg@gmail.com> parents: 8562 diff changeset	165 }
c86718093c1b improve & fix QR classes Jaroslav Hajek <highegg@gmail.com> parents: 8562 diff changeset	166 r = afact;
c86718093c1b improve & fix QR classes Jaroslav Hajek <highegg@gmail.com> parents: 8562 diff changeset	167 }
1921 ce0db0ca0729 [project @ 1996-02-11 02:31:58 by jwe] jwe parents: 1882 diff changeset	168
457 3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	169
8597 c86718093c1b improve & fix QR classes Jaroslav Hajek <highegg@gmail.com> parents: 8562 diff changeset	170 if (m > 0)
c86718093c1b improve & fix QR classes Jaroslav Hajek <highegg@gmail.com> parents: 8562 diff changeset	171 {
c86718093c1b improve & fix QR classes Jaroslav Hajek <highegg@gmail.com> parents: 8562 diff changeset	172 octave_idx_type k = q.columns ();
c86718093c1b improve & fix QR classes Jaroslav Hajek <highegg@gmail.com> parents: 8562 diff changeset	173 // workspace query.
c86718093c1b improve & fix QR classes Jaroslav Hajek <highegg@gmail.com> parents: 8562 diff changeset	174 double rlwork;
c86718093c1b improve & fix QR classes Jaroslav Hajek <highegg@gmail.com> parents: 8562 diff changeset	175 F77_XFCN (dorgqr, DORGQR, (m, k, min_mn, q.fortran_vec (), m, tau,
c86718093c1b improve & fix QR classes Jaroslav Hajek <highegg@gmail.com> parents: 8562 diff changeset	176 &rlwork, -1, info));
457 3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	177
8597 c86718093c1b improve & fix QR classes Jaroslav Hajek <highegg@gmail.com> parents: 8562 diff changeset	178 // allocate buffer and do the job.
8811 20dfb885f877 int -> octave_idx fixes John W. Eaton <jwe@octave.org> parents: 8806 diff changeset	179 octave_idx_type lwork = rlwork;
20dfb885f877 int -> octave_idx fixes John W. Eaton <jwe@octave.org> parents: 8806 diff changeset	180 lwork = std::max (lwork, static_cast<octave_idx_type> (1));
8597 c86718093c1b improve & fix QR classes Jaroslav Hajek <highegg@gmail.com> parents: 8562 diff changeset	181 OCTAVE_LOCAL_BUFFER (double, work, lwork);
c86718093c1b improve & fix QR classes Jaroslav Hajek <highegg@gmail.com> parents: 8562 diff changeset	182 F77_XFCN (dorgqr, DORGQR, (m, k, min_mn, q.fortran_vec (), m, tau,
c86718093c1b improve & fix QR classes Jaroslav Hajek <highegg@gmail.com> parents: 8562 diff changeset	183 work, lwork, info));
c86718093c1b improve & fix QR classes Jaroslav Hajek <highegg@gmail.com> parents: 8562 diff changeset	184 }
1921 ce0db0ca0729 [project @ 1996-02-11 02:31:58 by jwe] jwe parents: 1882 diff changeset	185 }
457 3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	186 }
3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	187
7924 4976f66d469b miscellaneous cleanup John W. Eaton <jwe@octave.org> parents: 7725 diff changeset	188 QR::QR (const Matrix& q_arg, const Matrix& r_arg)
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	189 {
8562 a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	190 octave_idx_type qr = q_arg.rows (), qc = q_arg.columns ();
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	191 octave_idx_type rr = r_arg.rows (), rc = r_arg.columns ();
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	192 if (qc == rr && (qr == qc \|\| (qr > qc && rr == rc)))
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	193 {
8562 a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	194 q = q_arg;
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	195 r = r_arg;
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	196 }
8562 a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	197 else
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	198 (*current_liboctave_error_handler) ("QR dimensions mismatch");
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	199 }
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	200
8562 a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	201 QR::type
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	202 QR::get_type (void) const
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	203 {
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	204 QR::type retval;
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	205 if (!q.is_empty () && q.is_square ())
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	206 retval = QR::std;
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	207 else if (q.rows () > q.columns () && r.is_square ())
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	208 retval = QR::economy;
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	209 else
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	210 retval = QR::raw;
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	211 return retval;
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	212 }
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	213
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	214 #ifdef HAVE_QRUPDATE
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	215
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	216 void
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	217 QR::update (const ColumnVector& u, const ColumnVector& v)
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	218 {
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	219 octave_idx_type m = q.rows ();
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	220 octave_idx_type n = r.columns ();
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	221 octave_idx_type k = q.columns ();
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	222
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	223 if (u.length () == m && v.length () == n)
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	224 {
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	225 ColumnVector utmp = u, vtmp = v;
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	226 OCTAVE_LOCAL_BUFFER (double, w, 2*k);
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	227 F77_XFCN (dqr1up, DQR1UP, (m, n, k, q.fortran_vec (), m, r.fortran_vec (), k,
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	228 utmp.fortran_vec (), vtmp.fortran_vec (), w));
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	229 }
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	230 else
8562 a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	231 (*current_liboctave_error_handler) ("qrupdate: dimensions mismatch");
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	232 }
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	233
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	234 void
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	235 QR::update (const Matrix& u, const Matrix& v)
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	236 {
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	237 octave_idx_type m = q.rows ();
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	238 octave_idx_type n = r.columns ();
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	239 octave_idx_type k = q.columns ();
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	240
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	241 if (u.rows () == m && v.rows () == n && u.cols () == v.cols ())
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	242 {
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	243 OCTAVE_LOCAL_BUFFER (double, w, 2*k);
8806 c7864bb74914 avoid some GCC warnings John W. Eaton <jwe@octave.org> parents: 8721 diff changeset	244 for (volatile octave_idx_type i = 0; i < u.cols (); i++)
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	245 {
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	246 ColumnVector utmp = u.column (i), vtmp = v.column (i);
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	247 F77_XFCN (dqr1up, DQR1UP, (m, n, k, q.fortran_vec (), m, r.fortran_vec (), k,
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	248 utmp.fortran_vec (), vtmp.fortran_vec (), w));
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	249 }
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	250 }
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	251 else
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	252 (*current_liboctave_error_handler) ("qrupdate: dimensions mismatch");
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	253 }
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	254
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	255 void
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	256 QR::insert_col (const ColumnVector& u, octave_idx_type j)
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	257 {
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	258 octave_idx_type m = q.rows ();
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	259 octave_idx_type n = r.columns ();
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	260 octave_idx_type k = q.columns ();
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	261
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	262 if (u.length () != m)
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	263 (*current_liboctave_error_handler) ("qrinsert: dimensions mismatch");
7560 0ef0f9802a37 modify QR updating methods to use 0-based indexing Jaroslav Hajek <highegg@gmail.com> parents: 7559 diff changeset	264 else if (j < 0 \|\| j > n)
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	265 (*current_liboctave_error_handler) ("qrinsert: index out of range");
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	266 else
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	267 {
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	268 if (k < m)
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	269 {
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	270 q.resize (m, k+1);
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	271 r.resize (k+1, n+1);
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	272 }
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	273 else
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	274 {
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	275 r.resize (k, n+1);
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	276 }
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	277
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	278 ColumnVector utmp = u;
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	279 OCTAVE_LOCAL_BUFFER (double, w, k);
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	280 F77_XFCN (dqrinc, DQRINC, (m, n, k, q.fortran_vec (), q.rows (),
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	281 r.fortran_vec (), r.rows (), j + 1,
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	282 utmp.data (), w));
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	283 }
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	284 }
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	285
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	286 void
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	287 QR::insert_col (const Matrix& u, const Array<octave_idx_type>& j)
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	288 {
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	289 octave_idx_type m = q.rows ();
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	290 octave_idx_type n = r.columns ();
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	291 octave_idx_type k = q.columns ();
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	292
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	293 Array<octave_idx_type> jsi;
8721 e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8597 diff changeset	294 Array<octave_idx_type> js = j.sort (jsi, 0, ASCENDING);
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	295 octave_idx_type nj = js.length ();
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	296 bool dups = false;
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	297 for (octave_idx_type i = 0; i < nj - 1; i++)
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	298 dups = dups && js(i) == js(i+1);
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	299
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	300 if (dups)
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	301 (*current_liboctave_error_handler) ("qrinsert: duplicate index detected");
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	302 else if (u.length () != m \|\| u.columns () != nj)
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	303 (*current_liboctave_error_handler) ("qrinsert: dimensions mismatch");
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	304 else if (nj > 0 && (js(0) < 0 \|\| js(nj-1) > n))
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	305 (*current_liboctave_error_handler) ("qrinsert: index out of range");
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	306 else if (nj > 0)
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	307 {
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	308 octave_idx_type kmax = std::min (k + nj, m);
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	309 if (k < m)
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	310 {
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	311 q.resize (m, kmax);
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	312 r.resize (kmax, n + nj);
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	313 }
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	314 else
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	315 {
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	316 r.resize (k, n + nj);
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	317 }
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	318
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	319 OCTAVE_LOCAL_BUFFER (double, w, kmax);
8806 c7864bb74914 avoid some GCC warnings John W. Eaton <jwe@octave.org> parents: 8721 diff changeset	320 for (volatile octave_idx_type i = 0; i < js.length (); i++)
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	321 {
9235 b03953732530 Copy volatile variable to avoid MSVC compilation error Michael Goffioul <michael.goffioul@gmail.com> parents: 8811 diff changeset	322 octave_idx_type ii = i;
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	323 ColumnVector utmp = u.column (jsi(i));
9235 b03953732530 Copy volatile variable to avoid MSVC compilation error Michael Goffioul <michael.goffioul@gmail.com> parents: 8811 diff changeset	324 F77_XFCN (dqrinc, DQRINC, (m, n + ii, std::min (kmax, k + ii),
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	325 q.fortran_vec (), q.rows (),
9235 b03953732530 Copy volatile variable to avoid MSVC compilation error Michael Goffioul <michael.goffioul@gmail.com> parents: 8811 diff changeset	326 r.fortran_vec (), r.rows (), js(ii) + 1,
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	327 utmp.data (), w));
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	328 }
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	329 }
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	330 }
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	331
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	332 void
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	333 QR::delete_col (octave_idx_type j)
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	334 {
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	335 octave_idx_type m = q.rows ();
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	336 octave_idx_type k = r.rows ();
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	337 octave_idx_type n = r.columns ();
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	338
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	339 if (j < 0 \|\| j > n-1)
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	340 (*current_liboctave_error_handler) ("qrdelete: index out of range");
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	341 else
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	342 {
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	343 OCTAVE_LOCAL_BUFFER (double, w, k);
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	344 F77_XFCN (dqrdec, DQRDEC, (m, n, k, q.fortran_vec (), q.rows (),
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	345 r.fortran_vec (), r.rows (), j + 1, w));
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	346
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	347 if (k < m)
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	348 {
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	349 q.resize (m, k-1);
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	350 r.resize (k-1, n-1);
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	351 }
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	352 else
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	353 {
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	354 r.resize (k, n-1);
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	355 }
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	356 }
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	357 }
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	358
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	359 void
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	360 QR::delete_col (const Array<octave_idx_type>& j)
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	361 {
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	362 octave_idx_type m = q.rows ();
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	363 octave_idx_type n = r.columns ();
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	364 octave_idx_type k = q.columns ();
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	365
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	366 Array<octave_idx_type> jsi;
8721 e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8597 diff changeset	367 Array<octave_idx_type> js = j.sort (jsi, 0, DESCENDING);
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	368 octave_idx_type nj = js.length ();
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	369 bool dups = false;
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	370 for (octave_idx_type i = 0; i < nj - 1; i++)
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	371 dups = dups && js(i) == js(i+1);
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	372
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	373 if (dups)
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	374 (*current_liboctave_error_handler) ("qrinsert: duplicate index detected");
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	375 else if (nj > 0 && (js(0) > n-1 \|\| js(nj-1) < 0))
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	376 (*current_liboctave_error_handler) ("qrinsert: index out of range");
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	377 else if (nj > 0)
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	378 {
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	379 OCTAVE_LOCAL_BUFFER (double, w, k);
8806 c7864bb74914 avoid some GCC warnings John W. Eaton <jwe@octave.org> parents: 8721 diff changeset	380 for (volatile octave_idx_type i = 0; i < js.length (); i++)
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	381 {
9235 b03953732530 Copy volatile variable to avoid MSVC compilation error Michael Goffioul <michael.goffioul@gmail.com> parents: 8811 diff changeset	382 octave_idx_type ii = i;
b03953732530 Copy volatile variable to avoid MSVC compilation error Michael Goffioul <michael.goffioul@gmail.com> parents: 8811 diff changeset	383 F77_XFCN (dqrdec, DQRDEC, (m, n - ii, k == m ? k : k - ii,
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	384 q.fortran_vec (), q.rows (),
9235 b03953732530 Copy volatile variable to avoid MSVC compilation error Michael Goffioul <michael.goffioul@gmail.com> parents: 8811 diff changeset	385 r.fortran_vec (), r.rows (), js(ii) + 1, w));
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	386 }
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	387 if (k < m)
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	388 {
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	389 q.resize (m, k - nj);
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	390 r.resize (k - nj, n - nj);
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	391 }
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	392 else
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	393 {
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	394 r.resize (k, n - nj);
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	395 }
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	396
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	397 }
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	398 }
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	399
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	400 void
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	401 QR::insert_row (const RowVector& u, octave_idx_type j)
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	402 {
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	403 octave_idx_type m = r.rows ();
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	404 octave_idx_type n = r.columns ();
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	405 octave_idx_type k = std::min (m, n);
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	406
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	407 if (! q.is_square () \|\| u.length () != n)
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	408 (*current_liboctave_error_handler) ("qrinsert: dimensions mismatch");
7560 0ef0f9802a37 modify QR updating methods to use 0-based indexing Jaroslav Hajek <highegg@gmail.com> parents: 7559 diff changeset	409 else if (j < 0 \|\| j > m)
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	410 (*current_liboctave_error_handler) ("qrinsert: index out of range");
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	411 else
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	412 {
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	413 q.resize (m + 1, m + 1);
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	414 r.resize (m + 1, n);
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	415 RowVector utmp = u;
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	416 OCTAVE_LOCAL_BUFFER (double, w, k);
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	417 F77_XFCN (dqrinr, DQRINR, (m, n, q.fortran_vec (), q.rows (),
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	418 r.fortran_vec (), r.rows (),
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	419 j + 1, utmp.fortran_vec (), w));
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	420
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	421 }
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	422 }
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	423
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	424 void
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	425 QR::delete_row (octave_idx_type j)
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	426 {
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	427 octave_idx_type m = r.rows ();
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	428 octave_idx_type n = r.columns ();
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	429
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	430 if (! q.is_square ())
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	431 (*current_liboctave_error_handler) ("qrdelete: dimensions mismatch");
7560 0ef0f9802a37 modify QR updating methods to use 0-based indexing Jaroslav Hajek <highegg@gmail.com> parents: 7559 diff changeset	432 else if (j < 0 \|\| j > m-1)
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	433 (*current_liboctave_error_handler) ("qrdelete: index out of range");
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	434 else
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	435 {
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	436 OCTAVE_LOCAL_BUFFER (double, w, 2*m);
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	437 F77_XFCN (dqrder, DQRDER, (m, n, q.fortran_vec (), q.rows (),
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	438 r.fortran_vec (), r.rows (), j + 1,
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	439 w));
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	440
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	441 q.resize (m - 1, m - 1);
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	442 r.resize (m - 1, n);
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	443 }
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	444 }
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	445
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	446 void
7700 efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7560 diff changeset	447 QR::shift_cols (octave_idx_type i, octave_idx_type j)
efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7560 diff changeset	448 {
efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7560 diff changeset	449 octave_idx_type m = q.rows ();
efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7560 diff changeset	450 octave_idx_type k = r.rows ();
efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7560 diff changeset	451 octave_idx_type n = r.columns ();
efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7560 diff changeset	452
efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7560 diff changeset	453 if (i < 0 \|\| i > n-1 \|\| j < 0 \|\| j > n-1)
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	454 (*current_liboctave_error_handler) ("qrshift: index out of range");
7700 efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7560 diff changeset	455 else
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	456 {
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	457 OCTAVE_LOCAL_BUFFER (double, w, 2*k);
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	458 F77_XFCN (dqrshc, DQRSHC, (m, n, k,
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	459 q.fortran_vec (), q.rows (),
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	460 r.fortran_vec (), r.rows (),
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	461 i + 1, j + 1, w));
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	462 }
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	463 }
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	464
8562 a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	465 #else
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	466
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	467 // Replacement update methods.
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	468
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	469 void
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	470 QR::update (const ColumnVector& u, const ColumnVector& v)
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	471 {
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	472 warn_qrupdate_once ();
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	473
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	474 octave_idx_type m = q.rows ();
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	475 octave_idx_type n = r.columns ();
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	476
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	477 if (u.length () == m && v.length () == n)
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	478 {
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	479 init(qr + Matrix (u) Matrix (v).transpose (), get_type ());
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	480 }
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	481 else
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	482 (*current_liboctave_error_handler) ("qrupdate: dimensions mismatch");
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	483 }
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	484
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	485 void
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	486 QR::update (const Matrix& u, const Matrix& v)
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	487 {
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	488 warn_qrupdate_once ();
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	489
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	490 octave_idx_type m = q.rows ();
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	491 octave_idx_type n = r.columns ();
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	492
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	493 if (u.rows () == m && v.rows () == n && u.cols () == v.cols ())
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	494 {
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	495 init(qr + u v.transpose (), get_type ());
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	496 }
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	497 else
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	498 (*current_liboctave_error_handler) ("qrupdate: dimensions mismatch");
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	499 }
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	500
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	501 static
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	502 Matrix insert_col (const Matrix& a, octave_idx_type i,
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	503 const ColumnVector& x)
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	504 {
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	505 Matrix retval (a.rows (), a.columns () + 1);
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	506 retval.assign (idx_vector::colon, idx_vector (0, i),
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	507 a.index (idx_vector::colon, idx_vector (0, i)));
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	508 retval.assign (idx_vector::colon, idx_vector (i), x);
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	509 retval.assign (idx_vector::colon, idx_vector (i+1, retval.columns ()),
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	510 a.index (idx_vector::colon, idx_vector (i, a.columns ())));
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	511 return retval;
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	512 }
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	513
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	514 static
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	515 Matrix insert_row (const Matrix& a, octave_idx_type i,
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	516 const RowVector& x)
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	517 {
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	518 Matrix retval (a.rows () + 1, a.columns ());
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	519 retval.assign (idx_vector (0, i), idx_vector::colon,
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	520 a.index (idx_vector (0, i), idx_vector::colon));
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	521 retval.assign (idx_vector (i), idx_vector::colon, x);
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	522 retval.assign (idx_vector (i+1, retval.rows ()), idx_vector::colon,
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	523 a.index (idx_vector (i, a.rows ()), idx_vector::colon));
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	524 return retval;
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	525 }
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	526
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	527 static
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	528 Matrix delete_col (const Matrix& a, octave_idx_type i)
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	529 {
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	530 Matrix retval = a;
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	531 retval.delete_elements (1, idx_vector (i));
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	532 return retval;
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	533 }
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	534
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	535 static
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	536 Matrix delete_row (const Matrix& a, octave_idx_type i)
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	537 {
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	538 Matrix retval = a;
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	539 retval.delete_elements (0, idx_vector (i));
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	540 return retval;
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	541 }
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	542
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	543 static
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	544 Matrix shift_cols (const Matrix& a,
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	545 octave_idx_type i, octave_idx_type j)
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	546 {
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	547 octave_idx_type n = a.columns ();
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	548 Array<octave_idx_type> p (n);
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	549 for (octave_idx_type k = 0; k < n; k++) p(k) = k;
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	550 if (i < j)
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	551 {
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	552 for (octave_idx_type k = i; k < j; k++) p(k) = k+1;
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	553 p(j) = i;
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	554 }
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	555 else if (j < i)
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	556 {
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	557 p(j) = i;
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	558 for (octave_idx_type k = j+1; k < i+1; k++) p(k) = k-1;
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	559 }
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	560
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	561 return a.index (idx_vector::colon, idx_vector (p));
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	562 }
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	563
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	564 void
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	565 QR::insert_col (const ColumnVector& u, octave_idx_type j)
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	566 {
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	567 warn_qrupdate_once ();
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	568
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	569 octave_idx_type m = q.rows ();
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	570 octave_idx_type n = r.columns ();
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	571
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	572 if (u.length () != m)
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	573 (*current_liboctave_error_handler) ("qrinsert: dimensions mismatch");
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	574 else if (j < 0 \|\| j > n)
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	575 (*current_liboctave_error_handler) ("qrinsert: index out of range");
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	576 else
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	577 {
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	578 init (::insert_col (q*r, j, u), get_type ());
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	579 }
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	580 }
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	581
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	582 void
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	583 QR::insert_col (const Matrix& u, const Array<octave_idx_type>& j)
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	584 {
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	585 warn_qrupdate_once ();
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	586
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	587 octave_idx_type m = q.rows ();
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	588 octave_idx_type n = r.columns ();
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	589
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	590 Array<octave_idx_type> jsi;
8721 e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8597 diff changeset	591 Array<octave_idx_type> js = j.sort (jsi, 0, ASCENDING);
8562 a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	592 octave_idx_type nj = js.length ();
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	593 bool dups = false;
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	594 for (octave_idx_type i = 0; i < nj - 1; i++)
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	595 dups = dups && js(i) == js(i+1);
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	596
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	597 if (dups)
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	598 (*current_liboctave_error_handler) ("qrinsert: duplicate index detected");
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	599 else if (u.length () != m \|\| u.columns () != nj)
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	600 (*current_liboctave_error_handler) ("qrinsert: dimensions mismatch");
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	601 else if (nj > 0 && (js(0) < 0 \|\| js(nj-1) > n))
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	602 (*current_liboctave_error_handler) ("qrinsert: index out of range");
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	603 else if (nj > 0)
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	604 {
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	605 Matrix a = q*r;
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	606 for (octave_idx_type i = 0; i < js.length (); i++)
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	607 a = ::insert_col (a, js(i), u.column (i));
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	608 init (a, get_type ());
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	609 }
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	610 }
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	611
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	612 void
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	613 QR::delete_col (octave_idx_type j)
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	614 {
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	615 warn_qrupdate_once ();
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	616
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	617 octave_idx_type m = q.rows ();
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	618 octave_idx_type n = r.columns ();
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	619
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	620 if (j < 0 \|\| j > n-1)
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	621 (*current_liboctave_error_handler) ("qrdelete: index out of range");
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	622 else
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	623 {
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	624 init (::delete_col (q*r, j), get_type ());
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	625 }
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	626 }
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	627
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	628 void
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	629 QR::delete_col (const Array<octave_idx_type>& j)
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	630 {
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	631 warn_qrupdate_once ();
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	632
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	633 octave_idx_type m = q.rows ();
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	634 octave_idx_type n = r.columns ();
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	635
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	636 Array<octave_idx_type> jsi;
8721 e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8597 diff changeset	637 Array<octave_idx_type> js = j.sort (jsi, 0, DESCENDING);
8562 a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	638 octave_idx_type nj = js.length ();
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	639 bool dups = false;
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	640 for (octave_idx_type i = 0; i < nj - 1; i++)
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	641 dups = dups && js(i) == js(i+1);
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	642
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	643 if (dups)
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	644 (*current_liboctave_error_handler) ("qrinsert: duplicate index detected");
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	645 else if (nj > 0 && (js(0) > n-1 \|\| js(nj-1) < 0))
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	646 (*current_liboctave_error_handler) ("qrinsert: index out of range");
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	647 else if (nj > 0)
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	648 {
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	649 Matrix a = q*r;
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	650 for (octave_idx_type i = 0; i < js.length (); i++)
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	651 a = ::delete_col (a, js(i));
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	652 init (a, get_type ());
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	653 }
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	654 }
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	655
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	656 void
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	657 QR::insert_row (const RowVector& u, octave_idx_type j)
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	658 {
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	659 warn_qrupdate_once ();
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	660
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	661 octave_idx_type m = r.rows ();
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	662 octave_idx_type n = r.columns ();
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	663
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	664 if (! q.is_square () \|\| u.length () != n)
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	665 (*current_liboctave_error_handler) ("qrinsert: dimensions mismatch");
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	666 else if (j < 0 \|\| j > m)
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	667 (*current_liboctave_error_handler) ("qrinsert: index out of range");
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	668 else
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	669 {
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	670 init (::insert_row (q*r, j, u), get_type ());
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	671 }
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	672 }
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	673
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	674 void
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	675 QR::delete_row (octave_idx_type j)
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	676 {
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	677 octave_idx_type m = r.rows ();
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	678 octave_idx_type n = r.columns ();
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	679
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	680 if (! q.is_square ())
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	681 (*current_liboctave_error_handler) ("qrdelete: dimensions mismatch");
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	682 else if (j < 0 \|\| j > m-1)
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	683 (*current_liboctave_error_handler) ("qrdelete: index out of range");
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	684 else
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	685 {
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	686 init (::delete_row (q*r, j), get_type ());
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	687 }
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	688 }
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	689
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	690 void
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	691 QR::shift_cols (octave_idx_type i, octave_idx_type j)
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	692 {
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	693 warn_qrupdate_once ();
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	694
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	695 octave_idx_type m = q.rows ();
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	696 octave_idx_type n = r.columns ();
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	697
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	698 if (i < 0 \|\| i > n-1 \|\| j < 0 \|\| j > n-1)
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	699 (*current_liboctave_error_handler) ("qrshift: index out of range");
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	700 else
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	701 {
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	702 init (::shift_cols (q*r, i, j), get_type ());
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	703 }
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	704 }
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	705
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	706 void warn_qrupdate_once (void)
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	707 {
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	708 static bool warned = false;
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	709 if (! warned)
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	710 {
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	711 (*current_liboctave_warning_handler)
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	712 ("In this version of Octave, QR & Cholesky updating routines\n"
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	713 "simply update the matrix and recalculate factorizations.\n"
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	714 "To use fast algorithms, link Octave with the qrupdate library.\n"
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	715 "See <http://sourceforge.net/projects/qrupdate>.\n");
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	716 warned = true;
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	717 }
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	718 }
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	719
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	720 #endif
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	721
457 3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	722 /*
3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	723 ;;; Local Variables: ***
3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	724 ;;; mode: C++ ***
3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	725 ;;; End: ***
3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	726 */

Mercurial > octave

annotate liboctave/dbleQR.cc @ 9235:b03953732530