mirror of https://github.com/rust-lang/rust
83 lines
1.9 KiB
Rust
83 lines
1.9 KiB
Rust
//@ run-pass
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pub fn main() {
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let nan: f64 = f64::NAN;
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assert!((nan).is_nan());
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let inf: f64 = f64::INFINITY;
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let neg_inf: f64 = -f64::INFINITY;
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assert_eq!(-inf, neg_inf);
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assert!( nan != nan);
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assert!( nan != -nan);
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assert!(-nan != -nan);
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assert!(-nan != nan);
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assert!( nan != 1.);
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assert!( nan != 0.);
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assert!( nan != inf);
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assert!( nan != -inf);
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assert!( 1. != nan);
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assert!( 0. != nan);
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assert!( inf != nan);
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assert!(-inf != nan);
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assert!(!( nan == nan));
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assert!(!( nan == -nan));
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assert!(!( nan == 1.));
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assert!(!( nan == 0.));
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assert!(!( nan == inf));
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assert!(!( nan == -inf));
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assert!(!( 1. == nan));
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assert!(!( 0. == nan));
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assert!(!( inf == nan));
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assert!(!(-inf == nan));
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assert!(!(-nan == nan));
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assert!(!(-nan == -nan));
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assert!(!( nan > nan));
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assert!(!( nan > -nan));
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assert!(!( nan > 0.));
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assert!(!( nan > inf));
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assert!(!( nan > -inf));
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assert!(!( 0. > nan));
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assert!(!( inf > nan));
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assert!(!(-inf > nan));
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assert!(!(-nan > nan));
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assert!(!(nan < 0.));
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assert!(!(nan < 1.));
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assert!(!(nan < -1.));
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assert!(!(nan < inf));
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assert!(!(nan < -inf));
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assert!(!(nan < nan));
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assert!(!(nan < -nan));
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assert!(!( 0. < nan));
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assert!(!( 1. < nan));
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assert!(!( -1. < nan));
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assert!(!( inf < nan));
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assert!(!(-inf < nan));
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assert!(!(-nan < nan));
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assert!((nan + inf).is_nan());
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assert!((nan + -inf).is_nan());
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assert!((nan + 0.).is_nan());
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assert!((nan + 1.).is_nan());
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assert!((nan * 1.).is_nan());
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assert!((nan / 1.).is_nan());
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assert!((nan / 0.).is_nan());
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assert!((0.0/0.0f64).is_nan());
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assert!((-inf + inf).is_nan());
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assert!((inf - inf).is_nan());
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assert!(!(-1.0f64).is_nan());
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assert!(!(0.0f64).is_nan());
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assert!(!(0.1f64).is_nan());
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assert!(!(1.0f64).is_nan());
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assert!(!(inf).is_nan());
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assert!(!(-inf).is_nan());
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assert!(!(1./-inf).is_nan());
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}
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