1 /*
2 * linear least squares model
3 *
4 * Copyright (c) 2006 Michael Niedermayer <michaelni@gmx.at>
5 *
6 * This file is part of FFmpeg.
7 *
8 * FFmpeg is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Lesser General Public
10 * License as published by the Free Software Foundation; either
11 * version 2.1 of the License, or (at your option) any later version.
12 *
13 * FFmpeg is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Lesser General Public License for more details.
17 *
18 * You should have received a copy of the GNU Lesser General Public
19 * License along with FFmpeg; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
21 */
22
23 #ifndef AVUTIL_LLS_H
24 #define AVUTIL_LLS_H
25
28
30 #define MAX_VARS_ALIGN FFALIGN(MAX_VARS+1,4)
31
32 //FIXME avoid direct access to LLSModel from outside
33
34 /**
35 * Linear least squares model.
36 */
42 /**
43 * Take the outer-product of var[] with itself, and add to the covariance matrix.
44 * @param m this context
45 * @param var training samples, starting with the value to be predicted
46 * 32-byte aligned, and any padding elements must be initialized
47 * (i.e not denormal/nan).
48 */
50 /**
51 * Inner product of var[] and the LPC coefs.
52 * @param m this context
53 * @param var training samples, excluding the value to be predicted. unaligned.
54 * @param order lpc order
55 */
58
62
63 #endif /* AVUTIL_LLS_H */