kolibrios-fun/contrib/sdk/sources/ffmpeg/ffmpeg-2.8/libavcodec/mathops.c
Sergey Semyonov (Serge) a4b787f4b8 ffmpeg-2.8.5
git-svn-id: svn://kolibrios.org@6147 a494cfbc-eb01-0410-851d-a64ba20cac60
2016-02-05 22:08:02 +00:00

27 lines
537 B
C

#include "mathops.h"
#ifdef TEST
#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;
}
#endif /* TEST */