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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 |