bjoernager/rust
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Fix inconsistent documentation

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I improved the f32 version and made a copy-paste error for f64.
This commit is contained in:
Raph Levien 2018-10-17 21:09:55 -07:00
parent 0e6c3f29be
commit 9a2e7026dc
2 changed files with 5 additions and 4 deletions
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2
src/libstd/f32.rs
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@ -221,7 +221,7 @@ impl f32 {
/// assert!(f32::NAN.copysign(1.0).is_nan()); /// assert!(f32::NAN.copysign(1.0).is_nan());
/// ``` /// ```
#[inline] #[inline]
#[unstable(feature="copysign", issue="0")] #[unstable(feature="copysign", issue="55169")]
pub fn copysign(self, y: f32) -> f32 { pub fn copysign(self, y: f32) -> f32 {
unsafe { intrinsics::copysignf32(self, y) } unsafe { intrinsics::copysignf32(self, y) }
} }

7
src/libstd/f64.rs
View file

@ -177,10 +177,11 @@ impl f64 {
} }
/// Returns a number composed of the magnitude of one number and the sign of /// Returns a number composed of the magnitude of one number and the sign of
/// another, or `NAN` if the number is `NAN`. /// another.
/// ///
/// Equal to `self` if the sign of `self` and `y` are the same, otherwise /// Equal to `self` if the sign of `self` and `y` are the same, otherwise
/// equal to `-y`. /// equal to `-y`. If `self` is a `NAN`, then a `NAN` with the sign of `y`
/// is returned.
/// ///
/// # Examples /// # Examples
/// ///
@ -198,7 +199,7 @@ impl f64 {
/// assert!(f64::NAN.copysign(1.0).is_nan()); /// assert!(f64::NAN.copysign(1.0).is_nan());
/// ``` /// ```
#[inline] #[inline]
#[unstable(feature="copysign", issue="0")] #[unstable(feature="copysign", issue="55169")]
pub fn copysign(self, y: f64) -> f64 { pub fn copysign(self, y: f64) -> f64 {
unsafe { intrinsics::copysignf64(self, y) } unsafe { intrinsics::copysignf64(self, y) }
} }