#![allow(dead_code, deprecated, unused_variables, unused_mut)]
#![feature(core_float_math)]
use core::f64;
fn main() {
    let a: f64 = 7.0;
    let b = 4.0;
    assert_eq!(f64::math::div_euclid(a, b), 1.0);
    assert_eq!(f64::math::div_euclid(- a, b), - 2.0);
    assert_eq!(f64::math::div_euclid(a, - b), - 1.0);
    assert_eq!(f64::math::div_euclid(- a, - b), 2.0);
}