def METHOD_NAME():
    a: i32
    a = sign(-3)
    assert a == -1
    assert sign(0) == 0
    f: f32
    f = -f32(3.0)
    assert sign(f) == -f32(1.0)
    f = f32(235.4142135623730951)
    assert sign(f) == f32(1.0)
    a2: i64
    a2 = sign(i64(3))
    assert a2 == i64(1)
    f2: f64
    f2 = -3.0
    assert sign(f2) == -1.0