FFmpeg coverage


Directory: ../../../ffmpeg/
File: src/libavcodec/tests/mathops.c
Date: 2021-09-23 20:34:37
Exec Total Coverage
Lines: 8 12 66.7%
Branches: 8 10 80.0%

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 "libavcodec/mathops.h"
20
21 #include <stdlib.h>
22
23 1 int main(void)
24 {
25 unsigned u;
26
27
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65537 for(u=0; u<65536; u++) {
28 65536 unsigned s = u*u;
29 65536 unsigned root = ff_sqrt(s);
30 65536 unsigned root_m1 = ff_sqrt(s-1);
31
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65536 if (s && root != u) {
32 fprintf(stderr, "ff_sqrt failed at %u with %u\n", s, root);
33 return 1;
34 }
35
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65536 if (u && root_m1 != u - 1) {
36 fprintf(stderr, "ff_sqrt failed at %u with %u\n", s, root);
37 return 1;
38 }
39 }
40 1 return 0;
41 }
42