mirror of
https://github.com/rust-lang/rust.git
synced 2025-10-31 13:04:42 +00:00
83 lines
1.9 KiB
Rust
83 lines
1.9 KiB
Rust
// run-pass
|
|
|
|
pub fn main() {
|
|
let nan: f64 = f64::NAN;
|
|
assert!((nan).is_nan());
|
|
|
|
let inf: f64 = f64::INFINITY;
|
|
let neg_inf: f64 = -f64::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());
|
|
}
|