yading@11: /*
yading@11:  * principal component analysis (PCA)
yading@11:  * Copyright (c) 2004 Michael Niedermayer <michaelni@gmx.at>
yading@11:  *
yading@11:  * This file is part of FFmpeg.
yading@11:  *
yading@11:  * FFmpeg is free software; you can redistribute it and/or
yading@11:  * modify it under the terms of the GNU Lesser General Public
yading@11:  * License as published by the Free Software Foundation; either
yading@11:  * version 2.1 of the License, or (at your option) any later version.
yading@11:  *
yading@11:  * FFmpeg is distributed in the hope that it will be useful,
yading@11:  * but WITHOUT ANY WARRANTY; without even the implied warranty of
yading@11:  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
yading@11:  * Lesser General Public License for more details.
yading@11:  *
yading@11:  * You should have received a copy of the GNU Lesser General Public
yading@11:  * License along with FFmpeg; if not, write to the Free Software
yading@11:  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
yading@11:  */
yading@11: 
yading@11: /**
yading@11:  * @file
yading@11:  * principal component analysis (PCA)
yading@11:  */
yading@11: 
yading@11: #ifndef AVUTIL_PCA_H
yading@11: #define AVUTIL_PCA_H
yading@11: 
yading@11: struct PCA *ff_pca_init(int n);
yading@11: void ff_pca_free(struct PCA *pca);
yading@11: void ff_pca_add(struct PCA *pca, double *v);
yading@11: int ff_pca(struct PCA *pca, double *eigenvector, double *eigenvalue);
yading@11: 
yading@11: #endif /* AVUTIL_PCA_H */