      /// Returns the square root of an `f32`
      pub fn sqrtf32(x: f32) -> f32;
      /// Returns the square root of an `f64`
-@@ -511,7 +514,9 @@
+@@ -538,7 +541,9 @@
      pub fn roundf32(x: f32) -> f32;
      /// Returns the nearest integer to an `f64`. Rounds half-way cases away from zero.
      pub fn roundf64(x: f64) -> f64;

 
 /// The `Not` trait is used to specify the functionality of unary `!`.
 ///
@@ -930,7 +940,9 @@
     )+)
 }
 

 zero_one_impl_float! { f32 f64 }
 
 macro_rules! checked_op {
@@ -2210,6 +2213,7 @@
 #[unstable(feature = "core_float",
            reason = "stable interface is via `impl f{32,64}` in later crates",
            issue = "27702")]
