ceill
long double ceill(long double);
y = ceill(x);
if (y == ceill(y))
__weak_alias(ceill, ceil)
__weak_alias(ceill, ceil)
__weak_alias(ceill, _ceill)
ATF_CHECK(fabsl(ceill(x) - 1) < SMALL_NUM);
ATF_CHECK(fabsl(ceill(y) - 1) < SMALL_NUM);
ATF_CHECK(isnan(ceill(x)) != 0);
long double y = ceill(x);
long double y = ceill(x);
long double y = ceill(x);
long double y = ceill(x);