23 lines
947 B
Plaintext
23 lines
947 B
Plaintext
fn main() {
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let inf: f64 = 1. / 0.; // or std::f64::INFINITY
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let minus_inf: f64 = -1. / 0.; // or std::f64::NEG_INFINITY
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let minus_zero: f64 = -1. / inf; // or -0.0
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let nan: f64 = 0. / 0.; // or std::f64::NAN
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// or std::f32 for the above
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println!("positive infinity: {:+}", inf);
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println!("negative infinity: {:+}", minus_inf);
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println!("negative zero: {:+?}", minus_zero);
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println!("not a number: {:+}", nan);
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println!();
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println!("+inf + 2.0 = {:+}", inf + 2.);
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println!("+inf - 10.0 = {:+}", inf - 10.);
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println!("+inf + -inf = {:+}", inf + minus_inf);
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println!("0.0 * inf = {:+}", 0. * inf);
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println!("1.0 / -0.0 = {:+}", 1. / -0.);
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println!("NaN + 1.0 = {:+}", nan + 1.);
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println!("NaN + NaN = {:+}", nan + nan);
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println!();
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println!("NaN == NaN = {}", nan == nan);
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println!("0.0 == -0.0 = {}", 0. == -0.);
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}
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