octave-nkf: liboctave/numeric/dbleQRP.cc annotate

annotate liboctave/numeric/dbleQRP.cc @ 20761:b7ac1e94266e

maint: Further clean up of functions in ode/private dir. * AbsRel_Norm.m, fuzzy_compare.m, integrate_adaptive.m, integrate_const.m, integrate_n_steps.m, ode_struct_value_check.m, odepkg_event_handle.m, odepkg_structure_check.m, runge_kutta_45_dorpri.m: Place latest copyright first in file. Use two spaces before beginning single-line comment. Use parentheses around variable to be tested in switch stmt. Use space between function name and opening parenthesis.

author	Rik <rik@octave.org>
date	Mon, 05 Oct 2015 12:03:16 -0700
parents	4197fc428c7d
children

rev	line source
538 8e134d3b21c9 [project @ 1994-07-21 22:40:04 by jwe] jwe parents: diff changeset	1 /*
8e134d3b21c9 [project @ 1994-07-21 22:40:04 by jwe] jwe parents: diff changeset	2
19898 4197fc428c7d maint: Update copyright notices for 2015. John W. Eaton <jwe@octave.org> parents: 19039 diff changeset	3 Copyright (C) 1994-2015 John W. Eaton
10521 4d1fc073fbb7 add some missing copyright stmts Jaroslav Hajek <highegg@gmail.com> parents: 10350 diff changeset	4 Copyright (C) 2009 VZLU Prague
538 8e134d3b21c9 [project @ 1994-07-21 22:40:04 by jwe] jwe parents: diff changeset	5
8e134d3b21c9 [project @ 1994-07-21 22:40:04 by jwe] jwe parents: diff changeset	6 This file is part of Octave.
8e134d3b21c9 [project @ 1994-07-21 22:40:04 by jwe] jwe parents: diff changeset	7
8e134d3b21c9 [project @ 1994-07-21 22:40:04 by jwe] jwe parents: diff changeset	8 Octave is free software; you can redistribute it and/or modify it
8e134d3b21c9 [project @ 1994-07-21 22:40:04 by jwe] jwe parents: diff changeset	9 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	10 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	11 option) any later version.
538 8e134d3b21c9 [project @ 1994-07-21 22:40:04 by jwe] jwe parents: diff changeset	12
8e134d3b21c9 [project @ 1994-07-21 22:40:04 by jwe] jwe parents: diff changeset	13 Octave is distributed in the hope that it will be useful, but WITHOUT
8e134d3b21c9 [project @ 1994-07-21 22:40:04 by jwe] jwe parents: diff changeset	14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
8e134d3b21c9 [project @ 1994-07-21 22:40:04 by jwe] jwe parents: diff changeset	15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
8e134d3b21c9 [project @ 1994-07-21 22:40:04 by jwe] jwe parents: diff changeset	16 for more details.
8e134d3b21c9 [project @ 1994-07-21 22:40:04 by jwe] jwe parents: diff changeset	17
8e134d3b21c9 [project @ 1994-07-21 22:40:04 by jwe] jwe parents: diff changeset	18 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	19 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	20 <http://www.gnu.org/licenses/>.
538 8e134d3b21c9 [project @ 1994-07-21 22:40:04 by jwe] jwe parents: diff changeset	21
8e134d3b21c9 [project @ 1994-07-21 22:40:04 by jwe] jwe parents: diff changeset	22 */
8e134d3b21c9 [project @ 1994-07-21 22:40:04 by jwe] jwe parents: diff changeset	23
8e134d3b21c9 [project @ 1994-07-21 22:40:04 by jwe] jwe parents: diff changeset	24 #ifdef HAVE_CONFIG_H
1192 b6360f2d4fa6 [project @ 1995-03-30 21:38:35 by jwe] jwe parents: 1011 diff changeset	25 #include <config.h>
538 8e134d3b21c9 [project @ 1994-07-21 22:40:04 by jwe] jwe parents: diff changeset	26 #endif
8e134d3b21c9 [project @ 1994-07-21 22:40:04 by jwe] jwe parents: diff changeset	27
1367 9f9131a8d706 [project @ 1995-09-06 00:07:03 by jwe] jwe parents: 1360 diff changeset	28 #include <cassert>
538 8e134d3b21c9 [project @ 1994-07-21 22:40:04 by jwe] jwe parents: diff changeset	29
8e134d3b21c9 [project @ 1994-07-21 22:40:04 by jwe] jwe parents: diff changeset	30 #include "dbleQRP.h"
1847 2ffe49eb95a5 [project @ 1996-02-03 12:47:55 by jwe] jwe parents: 1367 diff changeset	31 #include "f77-fcn.h"
538 8e134d3b21c9 [project @ 1994-07-21 22:40:04 by jwe] jwe parents: diff changeset	32 #include "lo-error.h"
8597 c86718093c1b improve & fix QR classes Jaroslav Hajek <highegg@gmail.com> parents: 8375 diff changeset	33 #include "oct-locbuf.h"
538 8e134d3b21c9 [project @ 1994-07-21 22:40:04 by jwe] jwe parents: diff changeset	34
8e134d3b21c9 [project @ 1994-07-21 22:40:04 by jwe] jwe parents: diff changeset	35 extern "C"
8e134d3b21c9 [project @ 1994-07-21 22:40:04 by jwe] jwe parents: diff changeset	36 {
4552 6f3382e08a52 [project @ 2003-10-27 20:38:02 by jwe] jwe parents: 4192 diff changeset	37 F77_RET_T
11518 141b3fb5cef7 style fixes John W. Eaton <jwe@octave.org> parents: 10905 diff changeset	38 F77_FUNC (dgeqp3, DGEQP3) (const octave_idx_type&, const octave_idx_type&,
141b3fb5cef7 style fixes John W. Eaton <jwe@octave.org> parents: 10905 diff changeset	39 double*, const octave_idx_type&,
141b3fb5cef7 style fixes John W. Eaton <jwe@octave.org> parents: 10905 diff changeset	40 octave_idx_type, double, double*,
8368 c72c1c9bccdc call blocked permuted qr factorization routines from LAPACK Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	41 const octave_idx_type&, octave_idx_type&);
538 8e134d3b21c9 [project @ 1994-07-21 22:40:04 by jwe] jwe parents: diff changeset	42 }
8e134d3b21c9 [project @ 1994-07-21 22:40:04 by jwe] jwe parents: diff changeset	43
8e134d3b21c9 [project @ 1994-07-21 22:40:04 by jwe] jwe parents: diff changeset	44 // It would be best to share some of this code with QR class...
8e134d3b21c9 [project @ 1994-07-21 22:40:04 by jwe] jwe parents: diff changeset	45
9713 7918eb15040c refactor the QR classes onto a templated base Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	46 QRP::QRP (const Matrix& a, qr_type_t qr_type)
2763 d9d00d7e271e [project @ 1997-03-01 02:14:33 by jwe] jwe parents: 2468 diff changeset	47 : QR (), p ()
d9d00d7e271e [project @ 1997-03-01 02:14:33 by jwe] jwe parents: 2468 diff changeset	48 {
d9d00d7e271e [project @ 1997-03-01 02:14:33 by jwe] jwe parents: 2468 diff changeset	49 init (a, qr_type);
d9d00d7e271e [project @ 1997-03-01 02:14:33 by jwe] jwe parents: 2468 diff changeset	50 }
d9d00d7e271e [project @ 1997-03-01 02:14:33 by jwe] jwe parents: 2468 diff changeset	51
d9d00d7e271e [project @ 1997-03-01 02:14:33 by jwe] jwe parents: 2468 diff changeset	52 void
9713 7918eb15040c refactor the QR classes onto a templated base Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	53 QRP::init (const Matrix& a, qr_type_t qr_type)
538 8e134d3b21c9 [project @ 1994-07-21 22:40:04 by jwe] jwe parents: diff changeset	54 {
9713 7918eb15040c refactor the QR classes onto a templated base Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	55 assert (qr_type != qr_type_raw);
538 8e134d3b21c9 [project @ 1994-07-21 22:40:04 by jwe] jwe parents: diff changeset	56
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5105 diff changeset	57 octave_idx_type m = a.rows ();
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5105 diff changeset	58 octave_idx_type n = a.cols ();
538 8e134d3b21c9 [project @ 1994-07-21 22:40:04 by jwe] jwe parents: diff changeset	59
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5105 diff changeset	60 octave_idx_type min_mn = m < n ? m : n;
8597 c86718093c1b improve & fix QR classes Jaroslav Hajek <highegg@gmail.com> parents: 8375 diff changeset	61 OCTAVE_LOCAL_BUFFER (double, tau, min_mn);
1922 8a57554f3142 [project @ 1996-02-11 02:53:20 by jwe] jwe parents: 1882 diff changeset	62
5275 23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe] jwe parents: 5105 diff changeset	63 octave_idx_type info = 0;
538 8e134d3b21c9 [project @ 1994-07-21 22:40:04 by jwe] jwe parents: diff changeset	64
8597 c86718093c1b improve & fix QR classes Jaroslav Hajek <highegg@gmail.com> parents: 8375 diff changeset	65 Matrix afact = a;
9713 7918eb15040c refactor the QR classes onto a templated base Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	66 if (m > n && qr_type == qr_type_std)
8597 c86718093c1b improve & fix QR classes Jaroslav Hajek <highegg@gmail.com> parents: 8375 diff changeset	67 afact.resize (m, m);
538 8e134d3b21c9 [project @ 1994-07-21 22:40:04 by jwe] jwe parents: diff changeset	68
11570 57632dea2446 attempt better backward compatibility for Array constructors John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	69 MArray<octave_idx_type> jpvt (dim_vector (n, 1), 0);
538 8e134d3b21c9 [project @ 1994-07-21 22:40:04 by jwe] jwe parents: diff changeset	70
8597 c86718093c1b improve & fix QR classes Jaroslav Hajek <highegg@gmail.com> parents: 8375 diff changeset	71 if (m > 0)
c86718093c1b improve & fix QR classes Jaroslav Hajek <highegg@gmail.com> parents: 8375 diff changeset	72 {
c86718093c1b improve & fix QR classes Jaroslav Hajek <highegg@gmail.com> parents: 8375 diff changeset	73 // workspace query.
c86718093c1b improve & fix QR classes Jaroslav Hajek <highegg@gmail.com> parents: 8375 diff changeset	74 double rlwork;
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	75 F77_XFCN (dgeqp3, DGEQP3, (m, n, afact.fortran_vec (),
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	76 m, jpvt.fortran_vec (), tau,
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	77 &rlwork, -1, info));
8368 c72c1c9bccdc call blocked permuted qr factorization routines from LAPACK Jaroslav Hajek <highegg@gmail.com> parents: 8367 diff changeset	78
8597 c86718093c1b improve & fix QR classes Jaroslav Hajek <highegg@gmail.com> parents: 8375 diff changeset	79 // allocate buffer and do the job.
8811 20dfb885f877 int -> octave_idx fixes John W. Eaton <jwe@octave.org> parents: 8597 diff changeset	80 octave_idx_type lwork = rlwork;
20dfb885f877 int -> octave_idx fixes John W. Eaton <jwe@octave.org> parents: 8597 diff changeset	81 lwork = std::max (lwork, static_cast<octave_idx_type> (1));
8597 c86718093c1b improve & fix QR classes Jaroslav Hajek <highegg@gmail.com> parents: 8375 diff changeset	82 OCTAVE_LOCAL_BUFFER (double, work, lwork);
17769 49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	83 F77_XFCN (dgeqp3, DGEQP3, (m, n, afact.fortran_vec (),
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	84 m, jpvt.fortran_vec (), tau,
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/ Rik <rik@octave.org> parents: 17744 diff changeset	85 work, lwork, info));
8597 c86718093c1b improve & fix QR classes Jaroslav Hajek <highegg@gmail.com> parents: 8375 diff changeset	86 }
c86718093c1b improve & fix QR classes Jaroslav Hajek <highegg@gmail.com> parents: 8375 diff changeset	87 else
c86718093c1b improve & fix QR classes Jaroslav Hajek <highegg@gmail.com> parents: 8375 diff changeset	88 for (octave_idx_type i = 0; i < n; i++) jpvt(i) = i+1;
1922 8a57554f3142 [project @ 1996-02-11 02:53:20 by jwe] jwe parents: 1882 diff changeset	89
7482 29980c6b8604 don't check f77_exception_encountered John W. Eaton <jwe@octave.org> parents: 7017 diff changeset	90 // Form Permutation matrix (if economy is requested, return the
29980c6b8604 don't check f77_exception_encountered John W. Eaton <jwe@octave.org> parents: 7017 diff changeset	91 // indices only!)
29980c6b8604 don't check f77_exception_encountered John W. Eaton <jwe@octave.org> parents: 7017 diff changeset	92
8811 20dfb885f877 int -> octave_idx fixes John W. Eaton <jwe@octave.org> parents: 8597 diff changeset	93 jpvt -= static_cast<octave_idx_type> (1);
8367 445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	94 p = PermMatrix (jpvt, true);
1922 8a57554f3142 [project @ 1996-02-11 02:53:20 by jwe] jwe parents: 1882 diff changeset	95
8a57554f3142 [project @ 1996-02-11 02:53:20 by jwe] jwe parents: 1882 diff changeset	96
8597 c86718093c1b improve & fix QR classes Jaroslav Hajek <highegg@gmail.com> parents: 8375 diff changeset	97 form (n, afact, tau, qr_type);
538 8e134d3b21c9 [project @ 1994-07-21 22:40:04 by jwe] jwe parents: diff changeset	98 }
8e134d3b21c9 [project @ 1994-07-21 22:40:04 by jwe] jwe parents: diff changeset	99
10905 9ee5a0a1b93d Return permutation vector from QR as a row, not column, vector. Rik <octave@nomad.inbox5.com> parents: 10521 diff changeset	100 RowVector
8367 445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	101 QRP::Pvec (void) const
445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	102 {
19039 aa9ca67f09fb make all permutation matrices column permutations (bug #42418) David Spies <dnspies@gmail.com> parents: 17769 diff changeset	103 Array<double> pa (p.col_perm_vec ());
10905 9ee5a0a1b93d Return permutation vector from QR as a row, not column, vector. Rik <octave@nomad.inbox5.com> parents: 10521 diff changeset	104 RowVector pv (MArray<double> (pa) + 1.0);
8367 445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	105 return pv;
445d27d79f4e support permutation matrix objects Jaroslav Hajek <highegg@gmail.com> parents: 7482 diff changeset	106 }

Mercurial > hg > octave-nkf

annotate liboctave/numeric/dbleQRP.cc @ 20761:b7ac1e94266e