Imported Debian version 2.5.0~trusty1.1
[deb_ffmpeg.git] / ffmpeg / libavutil / pca.h
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1/*
2 * principal component analysis (PCA)
3 * Copyright (c) 2004 Michael Niedermayer <michaelni@gmx.at>
4 *
5 * This file is part of FFmpeg.
6 *
7 * FFmpeg is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
11 *
12 * FFmpeg is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
16 *
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with FFmpeg; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20 */
21
22/**
23 * @file
24 * principal component analysis (PCA)
25 */
26
27#ifndef AVUTIL_PCA_H
28#define AVUTIL_PCA_H
29
30struct PCA *ff_pca_init(int n);
31void ff_pca_free(struct PCA *pca);
f6fa7814 32void ff_pca_add(struct PCA *pca, const double *v);
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33int ff_pca(struct PCA *pca, double *eigenvector, double *eigenvalue);
34
35#endif /* AVUTIL_PCA_H */