#![allow(dead_code, deprecated, unused_variables, unused_mut)]
#![feature(core_float_math)]
use core::f64;
fn main() {
    let f = 3.01_f64;
    let g = 4.0_f64;
    assert_eq!(f64::math::ceil(f), 4.0);
    assert_eq!(f64::math::ceil(g), 4.0);
}