LCOV - code coverage report
Current view: top level - src/libavcodec/tests - celp_math.c (source / functions) Hit Total Coverage
Test: coverage.info Lines: 19 19 100.0 %
Date: 2017-08-17 10:06:07 Functions: 2 2 100.0 %

          Line data    Source code
       1             : /*
       2             :  * This file is part of FFmpeg.
       3             :  *
       4             :  * FFmpeg is free software; you can redistribute it and/or
       5             :  * modify it under the terms of the GNU Lesser General Public
       6             :  * License as published by the Free Software Foundation; either
       7             :  * version 2.1 of the License, or (at your option) any later version.
       8             :  *
       9             :  * FFmpeg is distributed in the hope that it will be useful,
      10             :  * but WITHOUT ANY WARRANTY; without even the implied warranty of
      11             :  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      12             :  * Lesser General Public License for more details.
      13             :  *
      14             :  * You should have received a copy of the GNU Lesser General Public
      15             :  * License along with FFmpeg; if not, write to the Free Software
      16             :  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
      17             :  */
      18             : 
      19             : #include "libavutil/libm.h"
      20             : #include "libavcodec/celp_math.c"
      21             : 
      22           1 : static inline void IsAlmostEqual(float A, float B, float epsilon)
      23             : {
      24           1 :     float diff = fabsf(A - B);
      25           1 :     float absa = fabsf(A);
      26           1 :     float absb = fabsf(B);
      27           1 :     float largest = (absb > absa) ? absb : absa;
      28           1 :     av_assert0(diff <= largest * epsilon);
      29           1 : }
      30             : 
      31           1 : int main(void)
      32             : {
      33             :     int i;
      34           1 :     const float f1[3]   = {0.0,  1.1,  2.2};
      35           1 :     const float f2[3]   = {3.3,  4.4,  5.5};
      36           1 :     const int16_t i1[3] = {6,  7,  8};
      37           1 :     const int16_t i2[3] = {9, 10, 11};
      38             : 
      39           1 :     float   r = ff_dot_productf(f1, f2, FF_ARRAY_ELEMS(f1));
      40           1 :     int64_t d = ff_dot_product(i1, i2, FF_ARRAY_ELEMS(i1));
      41             : 
      42           1 :     IsAlmostEqual(16.94f, r, 0.000001f);
      43           1 :     av_assert0(212 == d);
      44             : 
      45          12 :     for (i = 1024; i >= 1; i/=2)
      46          11 :         av_assert0(ff_log2_q15(i) == (1<<15)*((int)log2(i))+(1<<2));
      47             : 
      48           1 :     return 0;
      49             : }

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