1 /**
2 * \file
3 * \brief \todo brief description
4 *
5 * Copyright 2006 Nathan Hurst <njh@mail.csse.monash.edu.au>
6 *
7 * This library is free software; you can redistribute it and/or
8 * modify it either under the terms of the GNU Lesser General Public
9 * License version 2.1 as published by the Free Software Foundation
10 * (the "LGPL") or, at your option, under the terms of the Mozilla
11 * Public License Version 1.1 (the "MPL"). If you do not alter this
12 * notice, a recipient may use your version of this file under either
13 * the MPL or the LGPL.
14 *
15 * You should have received a copy of the LGPL along with this library
16 * in the file COPYING-LGPL-2.1; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18 * You should have received a copy of the MPL along with this library
19 * in the file COPYING-MPL-1.1
20 *
21 * The contents of this file are subject to the Mozilla Public License
22 * Version 1.1 (the "License"); you may not use this file except in
23 * compliance with the License. You may obtain a copy of the License at
24 * http://www.mozilla.org/MPL/
25 *
26 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY
27 * OF ANY KIND, either express or implied. See the LGPL or the MPL for
28 * the specific language governing rights and limitations.
29 *
30 */
32 #ifndef _CONJUGATE_GRADIENT_H
33 #define _CONJUGATE_GRADIENT_H
35 #include <valarray>
37 double
38 inner(std::valarray<double> const &x,
39 std::valarray<double> const &y);
41 void
42 conjugate_gradient(std::valarray<double> const &A,
43 std::valarray<double> &x,
44 std::valarray<double> const &b,
45 unsigned n, double tol,
46 unsigned max_iterations, bool ortho1);
47 #endif // _CONJUGATE_GRADIENT_H
49 /*
50 Local Variables:
51 mode:c++
52 c-file-style:"stroustrup"
53 c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
54 indent-tabs-mode:nil
55 fill-column:99
56 End:
57 */
58 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99 :