def __init__(self,
b: int = 14,
hashfunc: Optional[Callable] = None,
hashbits: Optional[int] = None) -> None:
assert b >= 4 and logical_xnor(hashfunc, hashbits)
self.b = b
if hashfunc:
self.hash = hashfunc
else:
self.hash = hash
if hashbits:
self.width = hashbits
else:
self.width = bitness()
self.maxsize = 2**self.width
self.m = 2**self.b
if self.m == 16:
self.alpha = 0.673
elif self.m == 32:
self.alpha = 0.697
elif self.m == 64:
self.alpha = 0.709
else:
self.alpha = 0.7213 / (1 + 1.079 / self.m)
self.registers = [0] * self.m
def test_logical_xnor_nonbool(self, a, b, truth): result = logical_xnor(a, b) self.assertEqual(truth, result)