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path: root/src/test/ui/format-nan.rs
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// run-pass

pub fn main() {
    use std::f64;
    let x = "NaN".to_string();
    assert_eq!(format!("{}", f64::NAN), x);
    assert_eq!(format!("{:e}", f64::NAN), x);
    assert_eq!(format!("{:E}", f64::NAN), x);
}