diff options
Diffstat (limited to 'library/std/src/f32.rs')
| -rw-r--r-- | library/std/src/f32.rs | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/library/std/src/f32.rs b/library/std/src/f32.rs index 2a54b117ff4..48c77bd13e0 100644 --- a/library/std/src/f32.rs +++ b/library/std/src/f32.rs @@ -206,8 +206,10 @@ impl f32 { /// Fused multiply-add. Computes `(self * a) + b` with only one rounding /// error, yielding a more accurate result than an unfused multiply-add. /// - /// Using `mul_add` can be more performant than an unfused multiply-add if - /// the target architecture has a dedicated `fma` CPU instruction. + /// Using `mul_add` *may* be more performant than an unfused multiply-add if + /// the target architecture has a dedicated `fma` CPU instruction. However, + /// this is not always true, and will be heavily dependant on designing + /// algorithms with specific target hardware in mind. /// /// # Examples /// @@ -893,14 +895,13 @@ impl f32 { /// # Examples /// /// ``` - /// #![feature(clamp)] /// assert!((-3.0f32).clamp(-2.0, 1.0) == -2.0); /// assert!((0.0f32).clamp(-2.0, 1.0) == 0.0); /// assert!((2.0f32).clamp(-2.0, 1.0) == 1.0); /// assert!((f32::NAN).clamp(-2.0, 1.0).is_nan()); /// ``` #[must_use = "method returns a new number and does not mutate the original value"] - #[unstable(feature = "clamp", issue = "44095")] + #[stable(feature = "clamp", since = "1.50.0")] #[inline] pub fn clamp(self, min: f32, max: f32) -> f32 { assert!(min <= max); |