Function identical

extra_tests/snippets/builtin_float.py:257–263

(x, y)

def identical(x, y):
    if math.isnan(x) or math.isnan(y):
        if math.isnan(x) == math.isnan(y):
            return
    elif x == y and (x != 0.0 or math.copysign(1.0, x) == math.copysign(1.0, y)):
        return
    raise SyntaxError(f"{x} not identical to {y}")


invalid_inputs = [