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// Copyright 2012 The Rust Project Developers. See the COPYRIGHT
// file at the top-level directory of this distribution and at
// http://rust-lang.org/COPYRIGHT.
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.
extern mod extra;
use std::num::Float;
pub fn main() {
let nan = Float::NaN::<float>();
assert!((nan).is_NaN());
let inf = Float::infinity::<float>();
assert_eq!(-inf, Float::neg_infinity::<float>());
assert!( nan != nan);
assert!( nan != -nan);
assert!(-nan != -nan);
assert!(-nan != nan);
assert!( nan != 1.);
assert!( nan != 0.);
assert!( nan != inf);
assert!( nan != -inf);
assert!( 1. != nan);
assert!( 0. != nan);
assert!( inf != nan);
assert!(-inf != nan);
assert!(!( nan == nan));
assert!(!( nan == -nan));
assert!(!( nan == 1.));
assert!(!( nan == 0.));
assert!(!( nan == inf));
assert!(!( nan == -inf));
assert!(!( 1. == nan));
assert!(!( 0. == nan));
assert!(!( inf == nan));
assert!(!(-inf == nan));
assert!(!(-nan == nan));
assert!(!(-nan == -nan));
assert!(!( nan > nan));
assert!(!( nan > -nan));
assert!(!( nan > 0.));
assert!(!( nan > inf));
assert!(!( nan > -inf));
assert!(!( 0. > nan));
assert!(!( inf > nan));
assert!(!(-inf > nan));
assert!(!(-nan > nan));
assert!(!(nan < 0.));
assert!(!(nan < 1.));
assert!(!(nan < -1.));
assert!(!(nan < inf));
assert!(!(nan < -inf));
assert!(!(nan < nan));
assert!(!(nan < -nan));
assert!(!( 0. < nan));
assert!(!( 1. < nan));
assert!(!( -1. < nan));
assert!(!( inf < nan));
assert!(!(-inf < nan));
assert!(!(-nan < nan));
assert!((nan + inf).is_NaN());
assert!((nan + -inf).is_NaN());
assert!((nan + 0.).is_NaN());
assert!((nan + 1.).is_NaN());
assert!((nan * 1.).is_NaN());
assert!((nan / 1.).is_NaN());
assert!((nan / 0.).is_NaN());
assert!((0f/0f).is_NaN());
assert!((-inf + inf).is_NaN());
assert!((inf - inf).is_NaN());
assert!(!(-1f).is_NaN());
assert!(!(0f).is_NaN());
assert!(!(0.1f).is_NaN());
assert!(!(1f).is_NaN());
assert!(!(inf).is_NaN());
assert!(!(-inf).is_NaN());
assert!(!(1./-inf).is_NaN());
}
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