LCOV - code coverage report
Current view: top level - src/libavutil/x86 - lls_init.c (source / functions) Hit Total Coverage
Test: coverage.info Lines: 6 11 54.5 %
Date: 2017-07-20 10:18:08 Functions: 1 1 100.0 %

          Line data    Source code
       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/lls.h"
      24             : #include "libavutil/x86/cpu.h"
      25             : 
      26             : void ff_update_lls_sse2(LLSModel *m, const double *var);
      27             : void ff_update_lls_avx(LLSModel *m, const double *var);
      28             : void ff_update_lls_fma3(LLSModel *m, const double *var);
      29             : double ff_evaluate_lls_sse2(LLSModel *m, const double *var, int order);
      30             : 
      31         182 : av_cold void ff_init_lls_x86(LLSModel *m)
      32             : {
      33         182 :     int cpu_flags = av_get_cpu_flags();
      34         182 :     if (EXTERNAL_SSE2(cpu_flags)) {
      35           0 :         m->update_lls = ff_update_lls_sse2;
      36           0 :         if (m->indep_count >= 4)
      37           0 :             m->evaluate_lls = ff_evaluate_lls_sse2;
      38             :     }
      39         182 :     if (EXTERNAL_AVX_FAST(cpu_flags)) {
      40           0 :         m->update_lls = ff_update_lls_avx;
      41             :     }
      42         182 :     if (EXTERNAL_FMA3_FAST(cpu_flags)) {
      43           0 :         m->update_lls = ff_update_lls_fma3;
      44             :     }
      45         182 : }

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