#include <stdio.h>
#include <stdlib.h>
#include "gmp.h"
#include "gmp-impl.h"
#include "longlong.h"
#include "tests.h"
void
check_clz (int want, mp_limb_t n)
{
int got;
count_leading_zeros (got, n);
if (got != want)
{
printf ("count_leading_zeros wrong\n");
mp_limb_trace (" n ", n);
printf (" want %d\n", want);
printf (" got %d\n", got);
abort ();
}
}
void
check_ctz (int want, mp_limb_t n)
{
int got;
count_trailing_zeros (got, n);
if (got != want)
{
printf ("count_trailing_zeros wrong\n");
mpn_trace (" n ", &n, (mp_size_t) 1);
printf (" want %d\n", want);
printf (" got %d\n", got);
abort ();
}
}
void
check_various (void)
{
int i;
#ifdef COUNT_LEADING_ZEROS_0
check_clz (COUNT_LEADING_ZEROS_0, CNST_LIMB(0));
#endif
for (i=0; i < GMP_LIMB_BITS; i++)
{
check_clz (i, CNST_LIMB(1) << (GMP_LIMB_BITS-1-i));
check_ctz (i, CNST_LIMB(1) << i);
check_ctz (i, MP_LIMB_T_MAX << i);
check_clz (i, MP_LIMB_T_MAX >> i);
}
}
int
main (int argc, char *argv[])
{
tests_start ();
mp_trace_base = 16;
check_various ();
tests_end ();
exit (0);
}