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