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lls_init.c
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1 /*
2  * linear least squares model
3  *
4  * Copyright (c) 2013 Loren Merritt
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 #include "libavutil/lls2.h"
24 #include "libavutil/x86/cpu.h"
25 
26 void ff_update_lls_sse2(LLSModel2 *m, double *var);
27 void ff_update_lls_avx(LLSModel2 *m, double *var);
28 double ff_evaluate_lls_sse2(LLSModel2 *m, double *var, int order);
29 
31 {
32  int cpu_flags = av_get_cpu_flags();
33  if (EXTERNAL_SSE2(cpu_flags)) {
35  if (m->indep_count >= 4)
37  }
38  if (EXTERNAL_AVX(cpu_flags)) {
40  }
41 }