//@ run-pass



pub fn main() {
    let f = 4.999999999999f64;
    assert!(f > 4.90f64);
    assert!(f < 5.0f64);
    let g = 4.90000000001e-10f64;
    assert!(g > 5e-11f64);
    assert!(g < 5e-9f64);
}