#![allow(dead_code, deprecated, unused_variables, unused_mut)]
#![feature(f16)]
fn main() {
    #[cfg(all(target_arch = "x86_64", target_os = "linux"))]
    {
        let f = 3.5_f16;
        assert_eq!(f.signum(), 1.0);
        assert_eq!(f16::NEG_INFINITY.signum(), - 1.0);
        assert!(f16::NAN.signum().is_nan());
    }
}