96d616052b
* commit 'd12b5b2f135aade4099f4b26b0fe678656158c13': build: Split test programs off into separate files Some conversions done by: James Almer <jamrial@gmail.com> Merged-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
42 lines
1.2 KiB
C
42 lines
1.2 KiB
C
/*
|
|
* This file is part of FFmpeg.
|
|
*
|
|
* FFmpeg is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2.1 of the License, or (at your option) any later version.
|
|
*
|
|
* FFmpeg is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with FFmpeg; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
|
*/
|
|
|
|
#include "mathops.h"
|
|
|
|
#include <stdlib.h>
|
|
|
|
int main(void)
|
|
{
|
|
unsigned u;
|
|
|
|
for(u=0; u<65536; u++) {
|
|
unsigned s = u*u;
|
|
unsigned root = ff_sqrt(s);
|
|
unsigned root_m1 = ff_sqrt(s-1);
|
|
if (s && root != u) {
|
|
fprintf(stderr, "ff_sqrt failed at %u with %u\n", s, root);
|
|
return 1;
|
|
}
|
|
if (u && root_m1 != u - 1) {
|
|
fprintf(stderr, "ff_sqrt failed at %u with %u\n", s, root);
|
|
return 1;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|