95 lines
2.4 KiB
Rust
95 lines
2.4 KiB
Rust
// 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 crate extra;
|
|
|
|
use std::num::Float;
|
|
|
|
pub fn main() {
|
|
let nan: f64 = Float::nan();
|
|
assert!((nan).is_nan());
|
|
|
|
let inf: f64 = Float::infinity();
|
|
let neg_inf: f64 = Float::neg_infinity();
|
|
assert_eq!(-inf, neg_inf);
|
|
|
|
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!((0.0/0.0f64).is_nan());
|
|
assert!((-inf + inf).is_nan());
|
|
assert!((inf - inf).is_nan());
|
|
|
|
assert!(!(-1.0f64).is_nan());
|
|
assert!(!(0.0f64).is_nan());
|
|
assert!(!(0.1f64).is_nan());
|
|
assert!(!(1.0f64).is_nan());
|
|
assert!(!(inf).is_nan());
|
|
assert!(!(-inf).is_nan());
|
|
assert!(!(1./-inf).is_nan());
|
|
}
|