5 let nan: f64 = f64::NAN;
6 assert!((nan).is_nan());
8 let inf: f64 = f64::INFINITY;
9 let neg_inf: f64 = -f64::INFINITY;
10 assert_eq!(-inf, neg_inf);
13 assert!( nan != -nan);
14 assert!(-nan != -nan);
20 assert!( nan != -inf);
27 assert!(!( nan == nan));
28 assert!(!( nan == -nan));
29 assert!(!( nan == 1.));
30 assert!(!( nan == 0.));
31 assert!(!( nan == inf));
32 assert!(!( nan == -inf));
33 assert!(!( 1. == nan));
34 assert!(!( 0. == nan));
35 assert!(!( inf == nan));
36 assert!(!(-inf == nan));
37 assert!(!(-nan == nan));
38 assert!(!(-nan == -nan));
40 assert!(!( nan > nan));
41 assert!(!( nan > -nan));
42 assert!(!( nan > 0.));
43 assert!(!( nan > inf));
44 assert!(!( nan > -inf));
45 assert!(!( 0. > nan));
46 assert!(!( inf > nan));
47 assert!(!(-inf > nan));
48 assert!(!(-nan > nan));
52 assert!(!(nan < -1.));
53 assert!(!(nan < inf));
54 assert!(!(nan < -inf));
55 assert!(!(nan < nan));
56 assert!(!(nan < -nan));
58 assert!(!( 0. < nan));
59 assert!(!( 1. < nan));
60 assert!(!( -1. < nan));
61 assert!(!( inf < nan));
62 assert!(!(-inf < nan));
63 assert!(!(-nan < nan));
65 assert!((nan + inf).is_nan());
66 assert!((nan + -inf).is_nan());
67 assert!((nan + 0.).is_nan());
68 assert!((nan + 1.).is_nan());
69 assert!((nan * 1.).is_nan());
70 assert!((nan / 1.).is_nan());
71 assert!((nan / 0.).is_nan());
72 assert!((0.0/0.0f64).is_nan());
73 assert!((-inf + inf).is_nan());
74 assert!((inf - inf).is_nan());
76 assert!(!(-1.0f64).is_nan());
77 assert!(!(0.0f64).is_nan());
78 assert!(!(0.1f64).is_nan());
79 assert!(!(1.0f64).is_nan());
80 assert!(!(inf).is_nan());
81 assert!(!(-inf).is_nan());
82 assert!(!(1./-inf).is_nan());