rust-clippy/tests/ui/unused_rounding.rs

#![warn(clippy::unused_rounding)]

fn main() {
    let _ = 1f32.ceil();
    let _ = 1.0f64.floor();
    let _ = 1.00f32.round();
    let _ = 2e-54f64.floor();

    // issue9866
    let _ = 3.3_f32.round();
    let _ = 3.3_f64.round();
    let _ = 3.0_f32.round();

    let _ = 3_3.0_0_f32.round();
    let _ = 3_3.0_1_f64.round();
}