rust/src/test/run-pass/float-nan.rs
2012-01-05 16:25:51 +01:00

83 lines
1.9 KiB
Rust

use std;
import float;
fn main() {
let nan = float::NaN;
assert(float::is_NaN(nan));
let inf = float::infinity;
assert(-inf == float::neg_infinity);
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(float::is_NaN(nan + inf));
assert(float::is_NaN(nan + -inf));
assert(float::is_NaN(nan + 0.));
assert(float::is_NaN(nan + 1.));
assert(float::is_NaN(nan * 1.));
assert(float::is_NaN(nan / 1.));
assert(float::is_NaN(nan / 0.));
assert(float::is_NaN(0. / 0.));
assert(float::is_NaN(-inf + inf));
assert(float::is_NaN(inf - inf));
assert(!float::is_NaN(-1.));
assert(!float::is_NaN(0.));
assert(!float::is_NaN(0.1));
assert(!float::is_NaN(1.));
assert(!float::is_NaN(inf));
assert(!float::is_NaN(-inf));
assert(!float::is_NaN(1./-inf));
}