FFmpeg coverage


Directory: ../../../ffmpeg/
File: src/libavcodec/tests/celp_math.c
Date: 2021-09-23 20:34:37
Exec Total Coverage
Lines: 19 19 100.0%
Branches: 6 10 60.0%

Line Branch Exec Source
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
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1 float largest = (absb > absa) ? absb : absa;
28
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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
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1 av_assert0(212 == d);
44
45
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12 for (i = 1024; i >= 1; i/=2)
46
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11 av_assert0(ff_log2_q15(i) == (1<<15)*((int)log2(i))+(1<<2));
47
48 1 return 0;
49 }
50