forked from KolibriOS/kolibrios
27 lines
537 B
C
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 */
|