octave-nkf: liboctave/CmplxQR.cc annotate

annotate liboctave/CmplxQR.cc @ 11507:c3ad80f4ce36

Array.h, Array.cc: more constructor fixes

author	John W. Eaton <jwe@octave.org>
date	Thu, 13 Jan 2011 06:01:08 -0500
parents	07ebe522dac2
children	141b3fb5cef7

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: 7924 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 "CmplxQR.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: 7924 diff changeset	35 #include "oct-locbuf.h"
457 3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	36
9713 7918eb15040c refactor the QR classes onto a templated base Jaroslav Hajek <highegg@gmail.com> parents: 9235 diff changeset	37 #include "base-qr.cc"
7918eb15040c refactor the QR classes onto a templated base Jaroslav Hajek <highegg@gmail.com> parents: 9235 diff changeset	38
7918eb15040c refactor the QR classes onto a templated base Jaroslav Hajek <highegg@gmail.com> parents: 9235 diff changeset	39 template class base_qr<ComplexMatrix>;
7918eb15040c refactor the QR classes onto a templated base Jaroslav Hajek <highegg@gmail.com> parents: 9235 diff changeset	40
457 3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	41 extern "C"
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 (zgeqrf, ZGEQRF) (const octave_idx_type&, const octave_idx_type&, Complex*,
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	45 const octave_idx_type&, Complex, Complex,
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	46 const octave_idx_type&, octave_idx_type&);
457 3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	47
4552 6f3382e08a52 [project @ 2003-10-27 20:38:02 by jwe] jwe parents: 4192 diff changeset	48 F77_RET_T
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5105 diff changeset	49 F77_FUNC (zungqr, ZUNGQR) (const octave_idx_type&, const octave_idx_type&, const octave_idx_type&,
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	50 Complex, const octave_idx_type&, Complex,
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	51 Complex*, const octave_idx_type&, octave_idx_type&);
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	52
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	53 #ifdef HAVE_QRUPDATE
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	54
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	55 F77_RET_T
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	56 F77_FUNC (zqr1up, ZQR1UP) (const octave_idx_type&, const octave_idx_type&, const octave_idx_type&,
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	57 Complex, const octave_idx_type&, Complex, const octave_idx_type&,
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	58 Complex, Complex, Complex, double);
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	59
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	60 F77_RET_T
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	61 F77_FUNC (zqrinc, ZQRINC) (const octave_idx_type&, const octave_idx_type&, const octave_idx_type&,
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	62 Complex, const octave_idx_type&, Complex, const octave_idx_type&,
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	63 const octave_idx_type&, const Complex, double);
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	64
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	65 F77_RET_T
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	66 F77_FUNC (zqrdec, ZQRDEC) (const octave_idx_type&, const octave_idx_type&, const octave_idx_type&,
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	67 Complex, const octave_idx_type&, Complex, const octave_idx_type&,
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	68 const octave_idx_type&, double*);
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	69
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	70 F77_RET_T
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	71 F77_FUNC (zqrinr, ZQRINR) (const octave_idx_type&, const octave_idx_type&,
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	72 Complex, const octave_idx_type&, Complex, const octave_idx_type&,
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	73 const octave_idx_type&, const Complex, double);
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	74
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	75 F77_RET_T
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	76 F77_FUNC (zqrder, ZQRDER) (const octave_idx_type&, const octave_idx_type&,
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	77 Complex, const octave_idx_type&, Complex, const octave_idx_type&,
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	78 const octave_idx_type&, Complex, double);
7700 efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7560 diff changeset	79
efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7560 diff changeset	80 F77_RET_T
efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7560 diff changeset	81 F77_FUNC (zqrshc, ZQRSHC) (const octave_idx_type&, const octave_idx_type&, const octave_idx_type&,
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	82 Complex, const octave_idx_type&, Complex, const octave_idx_type&,
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	83 const octave_idx_type&, const octave_idx_type&,
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	84 Complex, double);
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	85
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	86 #endif
457 3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	87 }
3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	88
9713 7918eb15040c refactor the QR classes onto a templated base Jaroslav Hajek <highegg@gmail.com> parents: 9235 diff changeset	89 ComplexQR::ComplexQR (const ComplexMatrix& a, qr_type_t qr_type)
2763 d9d00d7e271e [project @ 1997-03-01 02:14:33 by jwe] jwe parents: 2244 diff changeset	90 {
d9d00d7e271e [project @ 1997-03-01 02:14:33 by jwe] jwe parents: 2244 diff changeset	91 init (a, qr_type);
d9d00d7e271e [project @ 1997-03-01 02:14:33 by jwe] jwe parents: 2244 diff changeset	92 }
d9d00d7e271e [project @ 1997-03-01 02:14:33 by jwe] jwe parents: 2244 diff changeset	93
d9d00d7e271e [project @ 1997-03-01 02:14:33 by jwe] jwe parents: 2244 diff changeset	94 void
9713 7918eb15040c refactor the QR classes onto a templated base Jaroslav Hajek <highegg@gmail.com> parents: 9235 diff changeset	95 ComplexQR::init (const ComplexMatrix& a, qr_type_t qr_type)
457 3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	96 {
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5105 diff changeset	97 octave_idx_type m = a.rows ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5105 diff changeset	98 octave_idx_type n = a.cols ();
457 3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	99
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5105 diff changeset	100 octave_idx_type min_mn = m < n ? m : n;
8597 c86718093c1b improve & fix QR classes Jaroslav Hajek <highegg@gmail.com> parents: 8562 diff changeset	101 OCTAVE_LOCAL_BUFFER (Complex, tau, min_mn);
1921 ce0db0ca0729 [project @ 1996-02-11 02:31:58 by jwe] jwe parents: 1882 diff changeset	102
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5105 diff changeset	103 octave_idx_type info = 0;
457 3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	104
8597 c86718093c1b improve & fix QR classes Jaroslav Hajek <highegg@gmail.com> parents: 8562 diff changeset	105 ComplexMatrix afact = a;
9713 7918eb15040c refactor the QR classes onto a templated base Jaroslav Hajek <highegg@gmail.com> parents: 9235 diff changeset	106 if (m > n && qr_type == qr_type_std)
8597 c86718093c1b improve & fix QR classes Jaroslav Hajek <highegg@gmail.com> parents: 8562 diff changeset	107 afact.resize (m, m);
c86718093c1b improve & fix QR classes Jaroslav Hajek <highegg@gmail.com> parents: 8562 diff changeset	108
c86718093c1b improve & fix QR classes Jaroslav Hajek <highegg@gmail.com> parents: 8562 diff changeset	109 if (m > 0)
457 3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	110 {
8597 c86718093c1b improve & fix QR classes Jaroslav Hajek <highegg@gmail.com> parents: 8562 diff changeset	111 // workspace query.
c86718093c1b improve & fix QR classes Jaroslav Hajek <highegg@gmail.com> parents: 8562 diff changeset	112 Complex clwork;
c86718093c1b improve & fix QR classes Jaroslav Hajek <highegg@gmail.com> parents: 8562 diff changeset	113 F77_XFCN (zgeqrf, ZGEQRF, (m, n, afact.fortran_vec (), m, tau, &clwork, -1, info));
c86718093c1b improve & fix QR classes Jaroslav Hajek <highegg@gmail.com> parents: 8562 diff changeset	114
c86718093c1b improve & fix QR classes Jaroslav Hajek <highegg@gmail.com> parents: 8562 diff changeset	115 // allocate buffer and do the job.
8811 20dfb885f877 int -> octave_idx fixes John W. Eaton <jwe@octave.org> parents: 8806 diff changeset	116 octave_idx_type lwork = clwork.real ();
20dfb885f877 int -> octave_idx fixes John W. Eaton <jwe@octave.org> parents: 8806 diff changeset	117 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	118 OCTAVE_LOCAL_BUFFER (Complex, work, lwork);
c86718093c1b improve & fix QR classes Jaroslav Hajek <highegg@gmail.com> parents: 8562 diff changeset	119 F77_XFCN (zgeqrf, ZGEQRF, (m, n, afact.fortran_vec (), m, tau, work, lwork, info));
457 3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	120 }
8597 c86718093c1b improve & fix QR classes Jaroslav Hajek <highegg@gmail.com> parents: 8562 diff changeset	121
c86718093c1b improve & fix QR classes Jaroslav Hajek <highegg@gmail.com> parents: 8562 diff changeset	122 form (n, afact, tau, qr_type);
c86718093c1b improve & fix QR classes Jaroslav Hajek <highegg@gmail.com> parents: 8562 diff changeset	123 }
457 3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	124
8597 c86718093c1b improve & fix QR classes Jaroslav Hajek <highegg@gmail.com> parents: 8562 diff changeset	125 void ComplexQR::form (octave_idx_type n, ComplexMatrix& afact,
9713 7918eb15040c refactor the QR classes onto a templated base Jaroslav Hajek <highegg@gmail.com> parents: 9235 diff changeset	126 Complex *tau, qr_type_t qr_type)
8597 c86718093c1b improve & fix QR classes Jaroslav Hajek <highegg@gmail.com> parents: 8562 diff changeset	127 {
c86718093c1b improve & fix QR classes Jaroslav Hajek <highegg@gmail.com> parents: 8562 diff changeset	128 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	129 octave_idx_type info;
457 3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	130
9713 7918eb15040c refactor the QR classes onto a templated base Jaroslav Hajek <highegg@gmail.com> parents: 9235 diff changeset	131 if (qr_type == qr_type_raw)
7482 29980c6b8604 don't check f77_exception_encountered John W. Eaton <jwe@octave.org> parents: 7017 diff changeset	132 {
29980c6b8604 don't check f77_exception_encountered John W. Eaton <jwe@octave.org> parents: 7017 diff changeset	133 for (octave_idx_type j = 0; j < min_mn; j++)
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	134 {
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	135 octave_idx_type limit = j < min_mn - 1 ? j : min_mn - 1;
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	136 for (octave_idx_type i = limit + 1; i < m; i++)
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	137 afact.elem (i, j) *= tau[j];
07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	138 }
7482 29980c6b8604 don't check f77_exception_encountered John W. Eaton <jwe@octave.org> parents: 7017 diff changeset	139
8597 c86718093c1b improve & fix QR classes Jaroslav Hajek <highegg@gmail.com> parents: 8562 diff changeset	140 r = afact;
7482 29980c6b8604 don't check f77_exception_encountered John W. Eaton <jwe@octave.org> parents: 7017 diff changeset	141 }
539 5ec10a984241 [project @ 1994-07-21 22:40:04 by jwe] jwe parents: 457 diff changeset	142 else
457 3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	143 {
8597 c86718093c1b improve & fix QR classes Jaroslav Hajek <highegg@gmail.com> parents: 8562 diff changeset	144 // Attempt to minimize copying.
c86718093c1b improve & fix QR classes Jaroslav Hajek <highegg@gmail.com> parents: 8562 diff changeset	145 if (m >= n)
c86718093c1b improve & fix QR classes Jaroslav Hajek <highegg@gmail.com> parents: 8562 diff changeset	146 {
c86718093c1b improve & fix QR classes Jaroslav Hajek <highegg@gmail.com> parents: 8562 diff changeset	147 // afact will become q.
c86718093c1b improve & fix QR classes Jaroslav Hajek <highegg@gmail.com> parents: 8562 diff changeset	148 q = afact;
9713 7918eb15040c refactor the QR classes onto a templated base Jaroslav Hajek <highegg@gmail.com> parents: 9235 diff changeset	149 octave_idx_type k = qr_type == qr_type_economy ? n : m;
8597 c86718093c1b improve & fix QR classes Jaroslav Hajek <highegg@gmail.com> parents: 8562 diff changeset	150 r = ComplexMatrix (k, n);
c86718093c1b improve & fix QR classes Jaroslav Hajek <highegg@gmail.com> parents: 8562 diff changeset	151 for (octave_idx_type j = 0; j < n; j++)
c86718093c1b improve & fix QR classes Jaroslav Hajek <highegg@gmail.com> parents: 8562 diff changeset	152 {
c86718093c1b improve & fix QR classes Jaroslav Hajek <highegg@gmail.com> parents: 8562 diff changeset	153 octave_idx_type i = 0;
c86718093c1b improve & fix QR classes Jaroslav Hajek <highegg@gmail.com> parents: 8562 diff changeset	154 for (; i <= j; i++)
c86718093c1b improve & fix QR classes Jaroslav Hajek <highegg@gmail.com> parents: 8562 diff changeset	155 r.xelem (i, j) = afact.xelem (i, j);
c86718093c1b improve & fix QR classes Jaroslav Hajek <highegg@gmail.com> parents: 8562 diff changeset	156 for (;i < k; i++)
c86718093c1b improve & fix QR classes Jaroslav Hajek <highegg@gmail.com> parents: 8562 diff changeset	157 r.xelem (i, j) = 0;
c86718093c1b improve & fix QR classes Jaroslav Hajek <highegg@gmail.com> parents: 8562 diff changeset	158 }
c86718093c1b improve & fix QR classes Jaroslav Hajek <highegg@gmail.com> parents: 8562 diff changeset	159 afact = ComplexMatrix (); // optimize memory
c86718093c1b improve & fix QR classes Jaroslav Hajek <highegg@gmail.com> parents: 8562 diff changeset	160 }
539 5ec10a984241 [project @ 1994-07-21 22:40:04 by jwe] jwe parents: 457 diff changeset	161 else
8597 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 // afact will become r.
c86718093c1b improve & fix QR classes Jaroslav Hajek <highegg@gmail.com> parents: 8562 diff changeset	164 q = ComplexMatrix (m, m);
c86718093c1b improve & fix QR classes Jaroslav Hajek <highegg@gmail.com> parents: 8562 diff changeset	165 for (octave_idx_type j = 0; j < m; j++)
c86718093c1b improve & fix QR classes Jaroslav Hajek <highegg@gmail.com> parents: 8562 diff changeset	166 for (octave_idx_type i = j + 1; i < m; i++)
c86718093c1b improve & fix QR classes Jaroslav Hajek <highegg@gmail.com> parents: 8562 diff changeset	167 {
c86718093c1b improve & fix QR classes Jaroslav Hajek <highegg@gmail.com> parents: 8562 diff changeset	168 q.xelem (i, j) = afact.xelem (i, j);
c86718093c1b improve & fix QR classes Jaroslav Hajek <highegg@gmail.com> parents: 8562 diff changeset	169 afact.xelem (i, j) = 0;
c86718093c1b improve & fix QR classes Jaroslav Hajek <highegg@gmail.com> parents: 8562 diff changeset	170 }
c86718093c1b improve & fix QR classes Jaroslav Hajek <highegg@gmail.com> parents: 8562 diff changeset	171 r = afact;
c86718093c1b improve & fix QR classes Jaroslav Hajek <highegg@gmail.com> parents: 8562 diff changeset	172 }
1921 ce0db0ca0729 [project @ 1996-02-11 02:31:58 by jwe] jwe parents: 1882 diff changeset	173
457 3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	174
8597 c86718093c1b improve & fix QR classes Jaroslav Hajek <highegg@gmail.com> parents: 8562 diff changeset	175 if (m > 0)
c86718093c1b improve & fix QR classes Jaroslav Hajek <highegg@gmail.com> parents: 8562 diff changeset	176 {
c86718093c1b improve & fix QR classes Jaroslav Hajek <highegg@gmail.com> parents: 8562 diff changeset	177 octave_idx_type k = q.columns ();
c86718093c1b improve & fix QR classes Jaroslav Hajek <highegg@gmail.com> parents: 8562 diff changeset	178 // workspace query.
c86718093c1b improve & fix QR classes Jaroslav Hajek <highegg@gmail.com> parents: 8562 diff changeset	179 Complex clwork;
c86718093c1b improve & fix QR classes Jaroslav Hajek <highegg@gmail.com> parents: 8562 diff changeset	180 F77_XFCN (zungqr, ZUNGQR, (m, k, min_mn, q.fortran_vec (), m, tau,
c86718093c1b improve & fix QR classes Jaroslav Hajek <highegg@gmail.com> parents: 8562 diff changeset	181 &clwork, -1, info));
457 3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	182
8597 c86718093c1b improve & fix QR classes Jaroslav Hajek <highegg@gmail.com> parents: 8562 diff changeset	183 // allocate buffer and do the job.
8811 20dfb885f877 int -> octave_idx fixes John W. Eaton <jwe@octave.org> parents: 8806 diff changeset	184 octave_idx_type lwork = clwork.real ();
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	185 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	186 OCTAVE_LOCAL_BUFFER (Complex, work, lwork);
c86718093c1b improve & fix QR classes Jaroslav Hajek <highegg@gmail.com> parents: 8562 diff changeset	187 F77_XFCN (zungqr, ZUNGQR, (m, k, min_mn, q.fortran_vec (), m, tau,
c86718093c1b improve & fix QR classes Jaroslav Hajek <highegg@gmail.com> parents: 8562 diff changeset	188 work, lwork, info));
c86718093c1b improve & fix QR classes Jaroslav Hajek <highegg@gmail.com> parents: 8562 diff changeset	189 }
1921 ce0db0ca0729 [project @ 1996-02-11 02:31:58 by jwe] jwe parents: 1882 diff changeset	190 }
457 3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	191 }
3d4b4f0fa5ba [project @ 1994-06-06 00:33:33 by jwe] jwe parents: diff changeset	192
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	193 #ifdef HAVE_QRUPDATE
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	194
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	195 void
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	196 ComplexQR::update (const ComplexColumnVector& u, const ComplexColumnVector& v)
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	197 {
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	198 octave_idx_type m = q.rows ();
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	199 octave_idx_type n = r.columns ();
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	200 octave_idx_type k = q.columns ();
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	201
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	202 if (u.length () == m && v.length () == n)
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	203 {
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	204 ComplexColumnVector utmp = u, vtmp = v;
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	205 OCTAVE_LOCAL_BUFFER (Complex, w, k);
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	206 OCTAVE_LOCAL_BUFFER (double, rw, k);
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	207 F77_XFCN (zqr1up, ZQR1UP, (m, n, k, q.fortran_vec (), m, r.fortran_vec (), k,
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	208 utmp.fortran_vec (), vtmp.fortran_vec (), w, rw));
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	209 }
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	210 else
8562 a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	211 (*current_liboctave_error_handler) ("qrupdate: dimensions mismatch");
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	212 }
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	213
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	214 void
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	215 ComplexQR::update (const ComplexMatrix& u, const ComplexMatrix& v)
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	216 {
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	217 octave_idx_type m = q.rows ();
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	218 octave_idx_type n = r.columns ();
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	219 octave_idx_type k = q.columns ();
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	220
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	221 if (u.rows () == m && v.rows () == n && u.cols () == v.cols ())
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	222 {
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	223 OCTAVE_LOCAL_BUFFER (Complex, w, k);
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	224 OCTAVE_LOCAL_BUFFER (double, rw, k);
8806 c7864bb74914 avoid some GCC warnings John W. Eaton <jwe@octave.org> parents: 8721 diff changeset	225 for (volatile octave_idx_type i = 0; i < u.cols (); i++)
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	226 {
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	227 ComplexColumnVector utmp = u.column (i), vtmp = v.column (i);
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	228 F77_XFCN (zqr1up, ZQR1UP, (m, n, k, q.fortran_vec (), m, r.fortran_vec (), k,
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	229 utmp.fortran_vec (), vtmp.fortran_vec (), w, rw));
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	230 }
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	231 }
7559 07522d7dcdf8 fixes to QR and Cholesky updating code Jaroslav Hajek <highegg@gmail.com> parents: 7554 diff changeset	232 else
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	233 (*current_liboctave_error_handler) ("qrupdate: dimensions mismatch");
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	234 }
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	235
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	236 void
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	237 ComplexQR::insert_col (const ComplexColumnVector& u, octave_idx_type j)
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	238 {
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	239 octave_idx_type m = q.rows ();
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	240 octave_idx_type n = r.columns ();
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	241 octave_idx_type k = q.columns ();
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	242
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	243 if (u.length () != m)
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	244 (*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	245 else if (j < 0 \|\| j > n)
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	246 (*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	247 else
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	248 {
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	249 if (k < m)
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	250 {
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	251 q.resize (m, k+1);
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	252 r.resize (k+1, n+1);
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	253 }
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	254 else
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	255 {
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	256 r.resize (k, n+1);
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	257 }
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	258
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	259 ComplexColumnVector utmp = u;
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	260 OCTAVE_LOCAL_BUFFER (double, rw, k);
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	261 F77_XFCN (zqrinc, ZQRINC, (m, n, k, q.fortran_vec (), q.rows (),
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	262 r.fortran_vec (), r.rows (), j + 1,
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	263 utmp.data (), rw));
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	264 }
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	265 }
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	266
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	267 void
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	268 ComplexQR::insert_col (const ComplexMatrix& u, const Array<octave_idx_type>& j)
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	269 {
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	270 octave_idx_type m = q.rows ();
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	271 octave_idx_type n = r.columns ();
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	272 octave_idx_type k = q.columns ();
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	273
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	274 Array<octave_idx_type> jsi;
8721 e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8597 diff changeset	275 Array<octave_idx_type> js = j.sort (jsi, 0, ASCENDING);
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	276 octave_idx_type nj = js.length ();
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	277 bool dups = false;
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	278 for (octave_idx_type i = 0; i < nj - 1; i++)
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	279 dups = dups && js(i) == js(i+1);
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	280
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	281 if (dups)
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	282 (*current_liboctave_error_handler) ("qrinsert: duplicate index detected");
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	283 else if (u.length () != m \|\| u.columns () != nj)
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	284 (*current_liboctave_error_handler) ("qrinsert: dimensions mismatch");
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	285 else if (nj > 0 && (js(0) < 0 \|\| js(nj-1) > n))
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	286 (*current_liboctave_error_handler) ("qrinsert: index out of range");
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	287 else if (nj > 0)
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	288 {
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	289 octave_idx_type kmax = std::min (k + nj, m);
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	290 if (k < m)
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	291 {
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	292 q.resize (m, kmax);
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	293 r.resize (kmax, n + nj);
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	294 }
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	295 else
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	296 {
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	297 r.resize (k, n + nj);
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	298 }
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	299
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	300 OCTAVE_LOCAL_BUFFER (double, rw, kmax);
8806 c7864bb74914 avoid some GCC warnings John W. Eaton <jwe@octave.org> parents: 8721 diff changeset	301 for (volatile octave_idx_type i = 0; i < js.length (); i++)
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	302 {
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	303 octave_idx_type ii = i;
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	304 ComplexColumnVector 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	305 F77_XFCN (zqrinc, ZQRINC, (m, n + ii, std::min (kmax, k + ii),
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	306 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	307 r.fortran_vec (), r.rows (), js(ii) + 1,
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	308 utmp.data (), rw));
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	309 }
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	310 }
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	311 }
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	312
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	313 void
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	314 ComplexQR::delete_col (octave_idx_type j)
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	315 {
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	316 octave_idx_type m = q.rows ();
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	317 octave_idx_type k = r.rows ();
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	318 octave_idx_type n = r.columns ();
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	319
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	320 if (j < 0 \|\| j > n-1)
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	321 (*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	322 else
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	323 {
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	324 OCTAVE_LOCAL_BUFFER (double, rw, k);
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	325 F77_XFCN (zqrdec, ZQRDEC, (m, n, k, q.fortran_vec (), q.rows (),
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	326 r.fortran_vec (), r.rows (), j + 1, rw));
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	327
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	328 if (k < m)
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	329 {
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	330 q.resize (m, k-1);
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	331 r.resize (k-1, n-1);
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	332 }
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	333 else
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	334 {
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	335 r.resize (k, n-1);
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	336 }
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	337 }
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	338 }
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	339
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	340 void
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	341 ComplexQR::delete_col (const Array<octave_idx_type>& j)
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	342 {
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	343 octave_idx_type m = q.rows ();
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	344 octave_idx_type n = r.columns ();
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	345 octave_idx_type k = q.columns ();
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	346
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	347 Array<octave_idx_type> jsi;
8721 e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8597 diff changeset	348 Array<octave_idx_type> js = j.sort (jsi, 0, DESCENDING);
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	349 octave_idx_type nj = js.length ();
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	350 bool dups = false;
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	351 for (octave_idx_type i = 0; i < nj - 1; i++)
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	352 dups = dups && js(i) == js(i+1);
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	353
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	354 if (dups)
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	355 (*current_liboctave_error_handler) ("qrinsert: duplicate index detected");
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	356 else if (nj > 0 && (js(0) > n-1 \|\| js(nj-1) < 0))
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	357 (*current_liboctave_error_handler) ("qrinsert: index out of range");
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	358 else if (nj > 0)
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	359 {
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	360 OCTAVE_LOCAL_BUFFER (double, rw, k);
8806 c7864bb74914 avoid some GCC warnings John W. Eaton <jwe@octave.org> parents: 8721 diff changeset	361 for (volatile octave_idx_type i = 0; i < js.length (); i++)
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	362 {
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	363 octave_idx_type ii = i;
9235 b03953732530 Copy volatile variable to avoid MSVC compilation error Michael Goffioul <michael.goffioul@gmail.com> parents: 8811 diff changeset	364 F77_XFCN (zqrdec, ZQRDEC, (m, n - ii, k == m ? k : k - ii,
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	365 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	366 r.fortran_vec (), r.rows (), js(ii) + 1, rw));
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	367 }
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	368 if (k < m)
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	369 {
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	370 q.resize (m, k - nj);
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	371 r.resize (k - nj, n - nj);
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	372 }
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	373 else
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	374 {
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	375 r.resize (k, n - nj);
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	376 }
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	377
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	378 }
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	379 }
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	380
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	381 void
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	382 ComplexQR::insert_row (const ComplexRowVector& u, octave_idx_type j)
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	383 {
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	384 octave_idx_type m = r.rows ();
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	385 octave_idx_type n = r.columns ();
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	386 octave_idx_type k = std::min (m, n);
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	387
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	388 if (! q.is_square () \|\| u.length () != n)
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	389 (*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	390 else if (j < 0 \|\| j > m)
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	391 (*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	392 else
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	393 {
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	394 q.resize (m + 1, m + 1);
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	395 r.resize (m + 1, n);
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	396 ComplexRowVector utmp = u;
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	397 OCTAVE_LOCAL_BUFFER (double, rw, k);
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	398 F77_XFCN (zqrinr, ZQRINR, (m, n, q.fortran_vec (), q.rows (),
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	399 r.fortran_vec (), r.rows (),
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	400 j + 1, utmp.fortran_vec (), rw));
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	401
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 }
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	404
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	405 void
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	406 ComplexQR::delete_row (octave_idx_type j)
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	407 {
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	408 octave_idx_type m = r.rows ();
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	409 octave_idx_type n = r.columns ();
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	410
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	411 if (! q.is_square ())
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	412 (*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	413 else if (j < 0 \|\| j > m-1)
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	414 (*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	415 else
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	416 {
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	417 OCTAVE_LOCAL_BUFFER (Complex, w, m);
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	418 OCTAVE_LOCAL_BUFFER (double, rw, m);
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	419 F77_XFCN (zqrder, ZQRDER, (m, n, q.fortran_vec (), q.rows (),
10314 07ebe522dac2 untabify liboctave C++ sources John W. Eaton <jwe@octave.org> parents: 10158 diff changeset	420 r.fortran_vec (), r.rows (), j + 1,
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	421 w, rw));
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	422
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	423 q.resize (m - 1, m - 1);
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	424 r.resize (m - 1, n);
7553 56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	425 }
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
56be6f31dd4e implementation of QR factorization updating Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	428 void
7700 efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7560 diff changeset	429 ComplexQR::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	430 {
efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7560 diff changeset	431 octave_idx_type m = q.rows ();
efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7560 diff changeset	432 octave_idx_type k = r.rows ();
efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7560 diff changeset	433 octave_idx_type n = r.columns ();
efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7560 diff changeset	434
efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7560 diff changeset	435 if (i < 0 \|\| i > n-1 \|\| j < 0 \|\| j > n-1)
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	436 (*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	437 else
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	438 {
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	439 OCTAVE_LOCAL_BUFFER (Complex, w, k);
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	440 OCTAVE_LOCAL_BUFFER (double, rw, k);
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	441 F77_XFCN (zqrshc, ZQRSHC, (m, n, k,
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	442 q.fortran_vec (), q.rows (),
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	443 r.fortran_vec (), r.rows (),
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	444 i + 1, j + 1, w, rw));
d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	445 }
7700 efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7560 diff changeset	446 }
efccca5f2ad7 more QR & Cholesky updating functions Jaroslav Hajek <highegg@gmail.com> parents: 7560 diff changeset	447
8562 a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	448 #else
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	449
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	450 // Replacement update methods.
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	451
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	452 void
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	453 ComplexQR::update (const ComplexColumnVector& u, const ComplexColumnVector& v)
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	454 {
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	455 warn_qrupdate_once ();
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	456
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	457 octave_idx_type m = q.rows ();
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	458 octave_idx_type n = r.columns ();
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	459
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	460 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	461 {
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	462 init(qr + ComplexMatrix (u) ComplexMatrix (v).hermitian (), get_type ());
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	463 }
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	464 else
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	465 (*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	466 }
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	467
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	468 void
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	469 ComplexQR::update (const ComplexMatrix& u, const ComplexMatrix& v)
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	470 {
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	471 warn_qrupdate_once ();
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	472
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	473 octave_idx_type m = q.rows ();
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	474 octave_idx_type n = r.columns ();
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	475
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	476 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	477 {
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	478 init(qr + u v.hermitian (), get_type ());
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	479 }
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	480 else
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	481 (*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	482 }
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 static
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	485 ComplexMatrix insert_col (const ComplexMatrix& a, octave_idx_type i,
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	486 const ComplexColumnVector& x)
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 ComplexMatrix retval (a.rows (), a.columns () + 1);
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	489 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	490 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	491 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	492 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	493 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	494 return retval;
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	495 }
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 static
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	498 ComplexMatrix insert_row (const ComplexMatrix& a, octave_idx_type i,
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	499 const ComplexRowVector& x)
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 ComplexMatrix retval (a.rows () + 1, a.columns ());
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	502 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	503 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	504 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	505 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	506 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	507 return retval;
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	508 }
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	509
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	510 static
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	511 ComplexMatrix delete_col (const ComplexMatrix& a, octave_idx_type i)
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 ComplexMatrix retval = a;
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	514 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	515 return retval;
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	516 }
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 static
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	519 ComplexMatrix delete_row (const ComplexMatrix& a, octave_idx_type i)
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	520 {
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	521 ComplexMatrix retval = a;
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	522 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	523 return retval;
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	524 }
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 static
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	527 ComplexMatrix shift_cols (const ComplexMatrix& a,
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	528 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	529 {
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	530 octave_idx_type n = a.columns ();
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	531 Array<octave_idx_type> p (n);
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	532 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	533 if (i < j)
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 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	536 p(j) = 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 else if (j < i)
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	539 {
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	540 p(j) = i;
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	541 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	542 }
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	543
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	544 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	545 }
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 void
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	548 ComplexQR::insert_col (const ComplexColumnVector& u, octave_idx_type j)
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	549 {
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	550 warn_qrupdate_once ();
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 octave_idx_type m = q.rows ();
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	553 octave_idx_type n = r.columns ();
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 if (u.length () != m)
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	556 (*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	557 else if (j < 0 \|\| j > n)
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	558 (*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	559 else
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 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	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
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	565 void
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	566 ComplexQR::insert_col (const ComplexMatrix& 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	567 {
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	568 warn_qrupdate_once ();
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	569
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	570 octave_idx_type m = q.rows ();
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	571 octave_idx_type n = r.columns ();
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	572
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	573 Array<octave_idx_type> jsi;
8721 e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8597 diff changeset	574 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	575 octave_idx_type nj = js.length ();
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	576 bool dups = false;
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	577 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	578 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	579
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	580 if (dups)
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	581 (*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	582 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	583 (*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	584 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	585 (*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	586 else if (nj > 0)
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	587 {
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	588 ComplexMatrix a = q*r;
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	589 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	590 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	591 init (a, get_type ());
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	592 }
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	593 }
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	594
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	595 void
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	596 ComplexQR::delete_col (octave_idx_type j)
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	597 {
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	598 warn_qrupdate_once ();
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	599
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	600 octave_idx_type m = q.rows ();
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	601 octave_idx_type n = r.columns ();
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	602
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	603 if (j < 0 \|\| j > n-1)
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	604 (*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	605 else
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	606 {
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	607 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	608 }
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 void
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	612 ComplexQR::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	613 {
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	614 warn_qrupdate_once ();
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	615
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	616 octave_idx_type m = q.rows ();
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	617 octave_idx_type n = r.columns ();
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	618
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	619 Array<octave_idx_type> jsi;
8721 e9cb742df9eb imported patch sort3.diff Jaroslav Hajek <highegg@gmail.com> parents: 8597 diff changeset	620 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	621 octave_idx_type nj = js.length ();
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	622 bool dups = false;
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	623 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	624 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	625
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	626 if (dups)
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	627 (*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	628 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	629 (*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	630 else if (nj > 0)
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	631 {
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	632 ComplexMatrix a = q*r;
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	633 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	634 a = ::delete_col (a, js(i));
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	635 init (a, get_type ());
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	636 }
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	637 }
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	638
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	639 void
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	640 ComplexQR::insert_row (const ComplexRowVector& u, octave_idx_type j)
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	641 {
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	642 warn_qrupdate_once ();
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	643
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	644 octave_idx_type m = r.rows ();
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	645 octave_idx_type n = r.columns ();
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	646
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	647 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	648 (*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	649 else if (j < 0 \|\| j > m)
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	650 (*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	651 else
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	652 {
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	653 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	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
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	657 void
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	658 ComplexQR::delete_row (octave_idx_type j)
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	659 {
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	660 warn_qrupdate_once ();
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	661
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	662 octave_idx_type m = r.rows ();
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	663 octave_idx_type n = r.columns ();
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	664
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	665 if (! q.is_square ())
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	666 (*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	667 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	668 (*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	669 else
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	670 {
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	671 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	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
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	675 void
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	676 ComplexQR::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	677 {
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	678 warn_qrupdate_once ();
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 octave_idx_type m = q.rows ();
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	681 octave_idx_type n = r.columns ();
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	682
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	683 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	684 (*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	685 else
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	686 {
a6edd5c23cb5 use replacement methods if qrupdate is not available Jaroslav Hajek <highegg@gmail.com> parents: 8547 diff changeset	687 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	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
8547 d66c9b6e506a imported patch qrupdate.diff Jaroslav Hajek <highegg@gmail.com> parents: 7924 diff changeset	691 #endif

Mercurial > hg > octave-nkf

annotate liboctave/CmplxQR.cc @ 11507:c3ad80f4ce36