use iter::{Iterator, range};
use kinds::Copy;
use mem;
+use num::Float;
use option::{Option, Some, None};
use ops::Deref;
use result::{Ok, Err};
float::ExpNone,
false,
|bytes| {
- fmt.pad_integral(*self >= 0.0, "", bytes)
+ fmt.pad_integral(self.is_nan() || *self >= 0.0, "", bytes)
})
}
}
float::ExpDec,
false,
|bytes| {
- fmt.pad_integral(*self >= 0.0, "", bytes)
+ fmt.pad_integral(self.is_nan() || *self >= 0.0, "", bytes)
})
}
}
float::ExpDec,
true,
|bytes| {
- fmt.pad_integral(*self >= 0.0, "", bytes)
+ fmt.pad_integral(self.is_nan() || *self >= 0.0, "", bytes)
})
}
}
--- /dev/null
+// Copyright 2014 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+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);
+}
+