#![allow(dead_code, deprecated, unused_variables, unused_mut)]
#![feature(core_float_math)]
use core::f32;
fn main() {
    let f = 3.7_f32;
    let g = 3.0_f32;
    let h = -3.7_f32;
    assert_eq!(f32::math::floor(f), 3.0);
    assert_eq!(f32::math::floor(g), 3.0);
    assert_eq!(f32::math::floor(h), - 4.0);
}