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987903826b
Consistently apply this rule: the guard name is obtained from the filename by stripping the leading "lib", converting '/' and '.' to '_' and uppercasing the resulting name. Guard names in the root directory have to be prefixed by "FFMPEG_". Originally committed as revision 15120 to svn://svn.ffmpeg.org/ffmpeg/trunk
36 lines
1.1 KiB
C
36 lines
1.1 KiB
C
/*
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* Principal component analysis
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* Copyright (c) 2004 Michael Niedermayer <michaelni@gmx.at>
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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/**
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* @file pca.h
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* Principal component analysis
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*/
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#ifndef AVUTIL_PCA_H
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#define AVUTIL_PCA_H
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struct PCA *ff_pca_init(int n);
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void ff_pca_free(struct PCA *pca);
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void ff_pca_add(struct PCA *pca, double *v);
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int ff_pca(struct PCA *pca, double *eigenvector, double *eigenvalue);
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#endif /* AVUTIL_PCA_H */
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