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https://github.com/pineappleEA/pineapple-src.git
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42 lines
1.3 KiB
C
Executable File
42 lines
1.3 KiB
C
Executable File
/*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "libavcodec/mathops.h"
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#include <stdlib.h>
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int main(void)
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{
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unsigned u;
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for(u=0; u<65536; u++) {
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unsigned s = u*u;
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unsigned root = ff_sqrt(s);
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unsigned root_m1 = ff_sqrt(s-1);
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if (s && root != u) {
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fprintf(stderr, "ff_sqrt failed at %u with %u\n", s, root);
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return 1;
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}
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if (u && root_m1 != u - 1) {
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fprintf(stderr, "ff_sqrt failed at %u with %u\n", s, root);
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return 1;
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}
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}
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return 0;
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}
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