Run cargo fmt --all

src/float.rs

@@ -10,7 +10,6 @@ use {Num, NumCast, ToPrimitive};
 #[cfg(feature = "libm")]
 use libm::{F32Ext, F64Ext};
 
-
 /// Generic trait for floating point numbers that works with `no_std`.
 ///
 /// This trait implements a subset of the `Float` trait.
@@ -1835,7 +1834,7 @@ macro_rules! float_impl_std {
                 $decode(self)
             }
 
-            forward!{
+            forward! {
                 Self::is_nan(self) -> bool;
                 Self::is_infinite(self) -> bool;
                 Self::is_finite(self) -> bool;
@@ -1914,7 +1913,7 @@ macro_rules! float_impl_libm {
                 $decode(self)
             }
 
-            forward!{
+            forward! {
                 FloatCore::is_nan(self) -> bool;
                 FloatCore::is_infinite(self) -> bool;
                 FloatCore::is_finite(self) -> bool;
@@ -2009,7 +2008,6 @@ float_impl_libm!(f32 integer_decode_f32 F32Ext);
 #[cfg(all(not(feature = "std"), feature = "libm"))]
 float_impl_libm!(f64 integer_decode_f64 F64Ext);
 
-
 macro_rules! float_const_impl {
     ($(#[$doc:meta] $constant:ident,)+) => (
         #[allow(non_snake_case)]

src/pow.rs

@@ -155,15 +155,15 @@ pow_impl!(Wrapping<isize>);
 #[cfg(any(feature = "std", feature = "libm"))]
 mod float_impls {
     use super::Pow;
-    use ::Float;
+    use Float;
 
-    pow_impl!(f32, i8, i32,  <f32 as Float>::powi);
-    pow_impl!(f32, u8, i32,  <f32 as Float>::powi);
+    pow_impl!(f32, i8, i32, <f32 as Float>::powi);
+    pow_impl!(f32, u8, i32, <f32 as Float>::powi);
     pow_impl!(f32, i16, i32, <f32 as Float>::powi);
     pow_impl!(f32, u16, i32, <f32 as Float>::powi);
     pow_impl!(f32, i32, i32, <f32 as Float>::powi);
-    pow_impl!(f64, i8, i32,  <f64 as Float>::powi);
-    pow_impl!(f64, u8, i32,  <f64 as Float>::powi);
+    pow_impl!(f64, i8, i32, <f64 as Float>::powi);
+    pow_impl!(f64, u8, i32, <f64 as Float>::powi);
     pow_impl!(f64, i16, i32, <f64 as Float>::powi);
     pow_impl!(f64, u16, i32, <f64 as Float>::powi);
     pow_impl!(f64, i32, i32, <f64 as Float>::powi);

src/real.rs

@@ -20,8 +20,8 @@ use Float;
 pub trait Real: Num + Copy + NumCast + PartialOrd + Neg<Output = Self> {
     /// Returns the smallest finite value that this type can represent.
     ///
-    #[cfg_attr(any(feature = "std", feature = "libm"), doc=" ```")]
-    #[cfg_attr(not(any(feature = "std", feature = "libm")), doc=" ```ignore")]
+    #[cfg_attr(any(feature = "std", feature = "libm"), doc = " ```")]
+    #[cfg_attr(not(any(feature = "std", feature = "libm")), doc = " ```ignore")]
     /// use num_traits::real::Real;
     /// use std::f64;
     ///
@@ -33,8 +33,8 @@ pub trait Real: Num + Copy + NumCast + PartialOrd + Neg<Output = Self> {
 
     /// Returns the smallest positive, normalized value that this type can represent.
     ///
-    #[cfg_attr(any(feature = "std", feature = "libm"), doc=" ```")]
-    #[cfg_attr(not(any(feature = "std", feature = "libm")), doc=" ```ignore")]
+    #[cfg_attr(any(feature = "std", feature = "libm"), doc = " ```")]
+    #[cfg_attr(not(any(feature = "std", feature = "libm")), doc = " ```ignore")]
     /// use num_traits::real::Real;
     /// use std::f64;
     ///
@@ -46,8 +46,8 @@ pub trait Real: Num + Copy + NumCast + PartialOrd + Neg<Output = Self> {
 
     /// Returns epsilon, a small positive value.
     ///
-    #[cfg_attr(any(feature = "std", feature = "libm"), doc=" ```")]
-    #[cfg_attr(not(any(feature = "std", feature = "libm")), doc=" ```ignore")]
+    #[cfg_attr(any(feature = "std", feature = "libm"), doc = " ```")]
+    #[cfg_attr(not(any(feature = "std", feature = "libm")), doc = " ```ignore")]
     /// use num_traits::real::Real;
     /// use std::f64;
     ///
@@ -64,8 +64,8 @@ pub trait Real: Num + Copy + NumCast + PartialOrd + Neg<Output = Self> {
 
     /// Returns the largest finite value that this type can represent.
     ///
-    #[cfg_attr(any(feature = "std", feature = "libm"), doc=" ```")]
-    #[cfg_attr(not(any(feature = "std", feature = "libm")), doc=" ```ignore")]
+    #[cfg_attr(any(feature = "std", feature = "libm"), doc = " ```")]
+    #[cfg_attr(not(any(feature = "std", feature = "libm")), doc = " ```ignore")]
     /// use num_traits::real::Real;
     /// use std::f64;
     ///
@@ -76,8 +76,8 @@ pub trait Real: Num + Copy + NumCast + PartialOrd + Neg<Output = Self> {
 
     /// Returns the largest integer less than or equal to a number.
     ///
-    #[cfg_attr(any(feature = "std", feature = "libm"), doc=" ```")]
-    #[cfg_attr(not(any(feature = "std", feature = "libm")), doc=" ```ignore")]
+    #[cfg_attr(any(feature = "std", feature = "libm"), doc = " ```")]
+    #[cfg_attr(not(any(feature = "std", feature = "libm")), doc = " ```ignore")]
     /// use num_traits::real::Real;
     ///
     /// let f = 3.99;
@@ -90,8 +90,8 @@ pub trait Real: Num + Copy + NumCast + PartialOrd + Neg<Output = Self> {
 
     /// Returns the smallest integer greater than or equal to a number.
     ///
-    #[cfg_attr(any(feature = "std", feature = "libm"), doc=" ```")]
-    #[cfg_attr(not(any(feature = "std", feature = "libm")), doc=" ```ignore")]
+    #[cfg_attr(any(feature = "std", feature = "libm"), doc = " ```")]
+    #[cfg_attr(not(any(feature = "std", feature = "libm")), doc = " ```ignore")]
     /// use num_traits::real::Real;
     ///
     /// let f = 3.01;
@@ -105,8 +105,8 @@ pub trait Real: Num + Copy + NumCast + PartialOrd + Neg<Output = Self> {
     /// Returns the nearest integer to a number. Round half-way cases away from
     /// `0.0`.
     ///
-    #[cfg_attr(any(feature = "std", feature = "libm"), doc=" ```")]
-    #[cfg_attr(not(any(feature = "std", feature = "libm")), doc=" ```ignore")]
+    #[cfg_attr(any(feature = "std", feature = "libm"), doc = " ```")]
+    #[cfg_attr(not(any(feature = "std", feature = "libm")), doc = " ```ignore")]
     /// use num_traits::real::Real;
     ///
     /// let f = 3.3;
@@ -119,8 +119,8 @@ pub trait Real: Num + Copy + NumCast + PartialOrd + Neg<Output = Self> {
 
     /// Return the integer part of a number.
     ///
-    #[cfg_attr(any(feature = "std", feature = "libm"), doc=" ```")]
-    #[cfg_attr(not(any(feature = "std", feature = "libm")), doc=" ```ignore")]
+    #[cfg_attr(any(feature = "std", feature = "libm"), doc = " ```")]
+    #[cfg_attr(not(any(feature = "std", feature = "libm")), doc = " ```ignore")]
     /// use num_traits::real::Real;
     ///
     /// let f = 3.3;
@@ -133,8 +133,8 @@ pub trait Real: Num + Copy + NumCast + PartialOrd + Neg<Output = Self> {
 
     /// Returns the fractional part of a number.
     ///
-    #[cfg_attr(any(feature = "std", feature = "libm"), doc=" ```")]
-    #[cfg_attr(not(any(feature = "std", feature = "libm")), doc=" ```ignore")]
+    #[cfg_attr(any(feature = "std", feature = "libm"), doc = " ```")]
+    #[cfg_attr(not(any(feature = "std", feature = "libm")), doc = " ```ignore")]
     /// use num_traits::real::Real;
     ///
     /// let x = 3.5;
@@ -150,8 +150,8 @@ pub trait Real: Num + Copy + NumCast + PartialOrd + Neg<Output = Self> {
     /// Computes the absolute value of `self`. Returns `Float::nan()` if the
     /// number is `Float::nan()`.
     ///
-    #[cfg_attr(any(feature = "std", feature = "libm"), doc=" ```")]
-    #[cfg_attr(not(any(feature = "std", feature = "libm")), doc=" ```ignore")]
+    #[cfg_attr(any(feature = "std", feature = "libm"), doc = " ```")]
+    #[cfg_attr(not(any(feature = "std", feature = "libm")), doc = " ```ignore")]
     /// use num_traits::real::Real;
     /// use std::f64;
     ///
@@ -174,8 +174,8 @@ pub trait Real: Num + Copy + NumCast + PartialOrd + Neg<Output = Self> {
     /// - `-1.0` if the number is negative, `-0.0` or `Float::neg_infinity()`
     /// - `Float::nan()` if the number is `Float::nan()`
     ///
-    #[cfg_attr(any(feature = "std", feature = "libm"), doc=" ```")]
-    #[cfg_attr(not(any(feature = "std", feature = "libm")), doc=" ```ignore")]
+    #[cfg_attr(any(feature = "std", feature = "libm"), doc = " ```")]
+    #[cfg_attr(not(any(feature = "std", feature = "libm")), doc = " ```ignore")]
     /// use num_traits::real::Real;
     /// use std::f64;
     ///
@@ -191,8 +191,8 @@ pub trait Real: Num + Copy + NumCast + PartialOrd + Neg<Output = Self> {
     /// Returns `true` if `self` is positive, including `+0.0`,
     /// `Float::infinity()`, and with newer versions of Rust `f64::NAN`.
     ///
-    #[cfg_attr(any(feature = "std", feature = "libm"), doc=" ```")]
-    #[cfg_attr(not(any(feature = "std", feature = "libm")), doc=" ```ignore")]
+    #[cfg_attr(any(feature = "std", feature = "libm"), doc = " ```")]
+    #[cfg_attr(not(any(feature = "std", feature = "libm")), doc = " ```ignore")]
     /// use num_traits::real::Real;
     /// use std::f64;
     ///
@@ -210,8 +210,8 @@ pub trait Real: Num + Copy + NumCast + PartialOrd + Neg<Output = Self> {
     /// Returns `true` if `self` is negative, including `-0.0`,
     /// `Float::neg_infinity()`, and with newer versions of Rust `-f64::NAN`.
     ///
-    #[cfg_attr(any(feature = "std", feature = "libm"), doc=" ```")]
-    #[cfg_attr(not(any(feature = "std", feature = "libm")), doc=" ```ignore")]
+    #[cfg_attr(any(feature = "std", feature = "libm"), doc = " ```")]
+    #[cfg_attr(not(any(feature = "std", feature = "libm")), doc = " ```ignore")]
     /// use num_traits::real::Real;
     /// use std::f64;
     ///
@@ -232,8 +232,8 @@ pub trait Real: Num + Copy + NumCast + PartialOrd + Neg<Output = Self> {
     /// Using `mul_add` can be more performant than an unfused multiply-add if
     /// the target architecture has a dedicated `fma` CPU instruction.
     ///
-    #[cfg_attr(any(feature = "std", feature = "libm"), doc=" ```")]
-    #[cfg_attr(not(any(feature = "std", feature = "libm")), doc=" ```ignore")]
+    #[cfg_attr(any(feature = "std", feature = "libm"), doc = " ```")]
+    #[cfg_attr(not(any(feature = "std", feature = "libm")), doc = " ```ignore")]
     /// use num_traits::real::Real;
     ///
     /// let m = 10.0;
@@ -249,8 +249,8 @@ pub trait Real: Num + Copy + NumCast + PartialOrd + Neg<Output = Self> {
 
     /// Take the reciprocal (inverse) of a number, `1/x`.
     ///
-    #[cfg_attr(any(feature = "std", feature = "libm"), doc=" ```")]
-    #[cfg_attr(not(any(feature = "std", feature = "libm")), doc=" ```ignore")]
+    #[cfg_attr(any(feature = "std", feature = "libm"), doc = " ```")]
+    #[cfg_attr(not(any(feature = "std", feature = "libm")), doc = " ```ignore")]
     /// use num_traits::real::Real;
     ///
     /// let x = 2.0;
@@ -264,8 +264,8 @@ pub trait Real: Num + Copy + NumCast + PartialOrd + Neg<Output = Self> {
     ///
     /// Using this function is generally faster than using `powf`
     ///
-    #[cfg_attr(any(feature = "std", feature = "libm"), doc=" ```")]
-    #[cfg_attr(not(any(feature = "std", feature = "libm")), doc=" ```ignore")]
+    #[cfg_attr(any(feature = "std", feature = "libm"), doc = " ```")]
+    #[cfg_attr(not(any(feature = "std", feature = "libm")), doc = " ```ignore")]
     /// use num_traits::real::Real;
     ///
     /// let x = 2.0;
@@ -277,8 +277,8 @@ pub trait Real: Num + Copy + NumCast + PartialOrd + Neg<Output = Self> {
 
     /// Raise a number to a real number power.
     ///
-    #[cfg_attr(any(feature = "std", feature = "libm"), doc=" ```")]
-    #[cfg_attr(not(any(feature = "std", feature = "libm")), doc=" ```ignore")]
+    #[cfg_attr(any(feature = "std", feature = "libm"), doc = " ```")]
+    #[cfg_attr(not(any(feature = "std", feature = "libm")), doc = " ```ignore")]
     /// use num_traits::real::Real;
     ///
     /// let x = 2.0;
@@ -296,8 +296,8 @@ pub trait Real: Num + Copy + NumCast + PartialOrd + Neg<Output = Self> {
     ///
     /// If the implementing type doesn't support NaN, this method should panic if `self < 0`.
     ///
-    #[cfg_attr(any(feature = "std", feature = "libm"), doc=" ```")]
-    #[cfg_attr(not(any(feature = "std", feature = "libm")), doc=" ```ignore")]
+    #[cfg_attr(any(feature = "std", feature = "libm"), doc = " ```")]
+    #[cfg_attr(not(any(feature = "std", feature = "libm")), doc = " ```ignore")]
     /// use num_traits::real::Real;
     ///
     /// let positive = 4.0;
@@ -312,8 +312,8 @@ pub trait Real: Num + Copy + NumCast + PartialOrd + Neg<Output = Self> {
 
     /// Returns `e^(self)`, (the exponential function).
     ///
-    #[cfg_attr(any(feature = "std", feature = "libm"), doc=" ```")]
-    #[cfg_attr(not(any(feature = "std", feature = "libm")), doc=" ```ignore")]
+    #[cfg_attr(any(feature = "std", feature = "libm"), doc = " ```")]
+    #[cfg_attr(not(any(feature = "std", feature = "libm")), doc = " ```ignore")]
     /// use num_traits::real::Real;
     ///
     /// let one = 1.0;
@@ -329,8 +329,8 @@ pub trait Real: Num + Copy + NumCast + PartialOrd + Neg<Output = Self> {
 
     /// Returns `2^(self)`.
     ///
-    #[cfg_attr(any(feature = "std", feature = "libm"), doc=" ```")]
-    #[cfg_attr(not(any(feature = "std", feature = "libm")), doc=" ```ignore")]
+    #[cfg_attr(any(feature = "std", feature = "libm"), doc = " ```")]
+    #[cfg_attr(not(any(feature = "std", feature = "libm")), doc = " ```ignore")]
     /// use num_traits::real::Real;
     ///
     /// let f = 2.0;
@@ -348,8 +348,8 @@ pub trait Real: Num + Copy + NumCast + PartialOrd + Neg<Output = Self> {
     ///
     /// If `self <= 0` and this type does not support a NaN representation, this function should panic.
     ///
-    #[cfg_attr(any(feature = "std", feature = "libm"), doc=" ```")]
-    #[cfg_attr(not(any(feature = "std", feature = "libm")), doc=" ```ignore")]
+    #[cfg_attr(any(feature = "std", feature = "libm"), doc = " ```")]
+    #[cfg_attr(not(any(feature = "std", feature = "libm")), doc = " ```ignore")]
     /// use num_traits::real::Real;
     ///
     /// let one = 1.0;
@@ -369,8 +369,8 @@ pub trait Real: Num + Copy + NumCast + PartialOrd + Neg<Output = Self> {
     ///
     /// If `self <= 0` and this type does not support a NaN representation, this function should panic.
     ///
-    #[cfg_attr(any(feature = "std", feature = "libm"), doc=" ```")]
-    #[cfg_attr(not(any(feature = "std", feature = "libm")), doc=" ```ignore")]
+    #[cfg_attr(any(feature = "std", feature = "libm"), doc = " ```")]
+    #[cfg_attr(not(any(feature = "std", feature = "libm")), doc = " ```ignore")]
     /// use num_traits::real::Real;
     ///
     /// let ten = 10.0;
@@ -393,8 +393,8 @@ pub trait Real: Num + Copy + NumCast + PartialOrd + Neg<Output = Self> {
     ///
     /// If `self <= 0` and this type does not support a NaN representation, this function should panic.
     ///
-    #[cfg_attr(any(feature = "std", feature = "libm"), doc=" ```")]
-    #[cfg_attr(not(any(feature = "std", feature = "libm")), doc=" ```ignore")]
+    #[cfg_attr(any(feature = "std", feature = "libm"), doc = " ```")]
+    #[cfg_attr(not(any(feature = "std", feature = "libm")), doc = " ```ignore")]
     /// use num_traits::real::Real;
     ///
     /// let two = 2.0;
@@ -413,8 +413,8 @@ pub trait Real: Num + Copy + NumCast + PartialOrd + Neg<Output = Self> {
     /// If `self <= 0` and this type does not support a NaN representation, this function should panic.
     ///
     ///
-    #[cfg_attr(any(feature = "std", feature = "libm"), doc=" ```")]
-    #[cfg_attr(not(any(feature = "std", feature = "libm")), doc=" ```ignore")]
+    #[cfg_attr(any(feature = "std", feature = "libm"), doc = " ```")]
+    #[cfg_attr(not(any(feature = "std", feature = "libm")), doc = " ```ignore")]
     /// use num_traits::real::Real;
     ///
     /// let ten = 10.0;
@@ -428,8 +428,8 @@ pub trait Real: Num + Copy + NumCast + PartialOrd + Neg<Output = Self> {
 
     /// Converts radians to degrees.
     ///
-    #[cfg_attr(any(feature = "std", feature = "libm"), doc=" ```")]
-    #[cfg_attr(not(any(feature = "std", feature = "libm")), doc=" ```ignore")]
+    #[cfg_attr(any(feature = "std", feature = "libm"), doc = " ```")]
+    #[cfg_attr(not(any(feature = "std", feature = "libm")), doc = " ```ignore")]
     /// use std::f64::consts;
     ///
     /// let angle = consts::PI;
@@ -442,8 +442,8 @@ pub trait Real: Num + Copy + NumCast + PartialOrd + Neg<Output = Self> {
 
     /// Converts degrees to radians.
     ///
-    #[cfg_attr(any(feature = "std", feature = "libm"), doc=" ```")]
-    #[cfg_attr(not(any(feature = "std", feature = "libm")), doc=" ```ignore")]
+    #[cfg_attr(any(feature = "std", feature = "libm"), doc = " ```")]
+    #[cfg_attr(not(any(feature = "std", feature = "libm")), doc = " ```ignore")]
     /// use std::f64::consts;
     ///
     /// let angle = 180.0_f64;
@@ -456,8 +456,8 @@ pub trait Real: Num + Copy + NumCast + PartialOrd + Neg<Output = Self> {
 
     /// Returns the maximum of the two numbers.
     ///
-    #[cfg_attr(any(feature = "std", feature = "libm"), doc=" ```")]
-    #[cfg_attr(not(any(feature = "std", feature = "libm")), doc=" ```ignore")]
+    #[cfg_attr(any(feature = "std", feature = "libm"), doc = " ```")]
+    #[cfg_attr(not(any(feature = "std", feature = "libm")), doc = " ```ignore")]
     /// use num_traits::real::Real;
     ///
     /// let x = 1.0;
@@ -469,8 +469,8 @@ pub trait Real: Num + Copy + NumCast + PartialOrd + Neg<Output = Self> {
 
     /// Returns the minimum of the two numbers.
     ///
-    #[cfg_attr(any(feature = "std", feature = "libm"), doc=" ```")]
-    #[cfg_attr(not(any(feature = "std", feature = "libm")), doc=" ```ignore")]
+    #[cfg_attr(any(feature = "std", feature = "libm"), doc = " ```")]
+    #[cfg_attr(not(any(feature = "std", feature = "libm")), doc = " ```ignore")]
     /// use num_traits::real::Real;
     ///
     /// let x = 1.0;
@@ -485,8 +485,8 @@ pub trait Real: Num + Copy + NumCast + PartialOrd + Neg<Output = Self> {
     /// * If `self <= other`: `0:0`
     /// * Else: `self - other`
     ///
-    #[cfg_attr(any(feature = "std", feature = "libm"), doc=" ```")]
-    #[cfg_attr(not(any(feature = "std", feature = "libm")), doc=" ```ignore")]
+    #[cfg_attr(any(feature = "std", feature = "libm"), doc = " ```")]
+    #[cfg_attr(not(any(feature = "std", feature = "libm")), doc = " ```ignore")]
     /// use num_traits::real::Real;
     ///
     /// let x = 3.0;
@@ -502,8 +502,8 @@ pub trait Real: Num + Copy + NumCast + PartialOrd + Neg<Output = Self> {
 
     /// Take the cubic root of a number.
     ///
-    #[cfg_attr(any(feature = "std", feature = "libm"), doc=" ```")]
-    #[cfg_attr(not(any(feature = "std", feature = "libm")), doc=" ```ignore")]
+    #[cfg_attr(any(feature = "std", feature = "libm"), doc = " ```")]
+    #[cfg_attr(not(any(feature = "std", feature = "libm")), doc = " ```ignore")]
     /// use num_traits::real::Real;
     ///
     /// let x = 8.0;
@@ -518,8 +518,8 @@ pub trait Real: Num + Copy + NumCast + PartialOrd + Neg<Output = Self> {
     /// Calculate the length of the hypotenuse of a right-angle triangle given
     /// legs of length `x` and `y`.
     ///
-    #[cfg_attr(any(feature = "std", feature = "libm"), doc=" ```")]
-    #[cfg_attr(not(any(feature = "std", feature = "libm")), doc=" ```ignore")]
+    #[cfg_attr(any(feature = "std", feature = "libm"), doc = " ```")]
+    #[cfg_attr(not(any(feature = "std", feature = "libm")), doc = " ```ignore")]
     /// use num_traits::real::Real;
     ///
     /// let x = 2.0;
@@ -534,8 +534,8 @@ pub trait Real: Num + Copy + NumCast + PartialOrd + Neg<Output = Self> {
 
     /// Computes the sine of a number (in radians).
     ///
-    #[cfg_attr(any(feature = "std", feature = "libm"), doc=" ```")]
-    #[cfg_attr(not(any(feature = "std", feature = "libm")), doc=" ```ignore")]
+    #[cfg_attr(any(feature = "std", feature = "libm"), doc = " ```")]
+    #[cfg_attr(not(any(feature = "std", feature = "libm")), doc = " ```ignore")]
     /// use num_traits::real::Real;
     /// use std::f64;
     ///
@@ -549,8 +549,8 @@ pub trait Real: Num + Copy + NumCast + PartialOrd + Neg<Output = Self> {
 
     /// Computes the cosine of a number (in radians).
     ///
-    #[cfg_attr(any(feature = "std", feature = "libm"), doc=" ```")]
-    #[cfg_attr(not(any(feature = "std", feature = "libm")), doc=" ```ignore")]
+    #[cfg_attr(any(feature = "std", feature = "libm"), doc = " ```")]
+    #[cfg_attr(not(any(feature = "std", feature = "libm")), doc = " ```ignore")]
     /// use num_traits::real::Real;
     /// use std::f64;
     ///
@@ -564,8 +564,8 @@ pub trait Real: Num + Copy + NumCast + PartialOrd + Neg<Output = Self> {
 
     /// Computes the tangent of a number (in radians).
     ///
-    #[cfg_attr(any(feature = "std", feature = "libm"), doc=" ```")]
-    #[cfg_attr(not(any(feature = "std", feature = "libm")), doc=" ```ignore")]
+    #[cfg_attr(any(feature = "std", feature = "libm"), doc = " ```")]
+    #[cfg_attr(not(any(feature = "std", feature = "libm")), doc = " ```ignore")]
     /// use num_traits::real::Real;
     /// use std::f64;
     ///
@@ -585,8 +585,8 @@ pub trait Real: Num + Copy + NumCast + PartialOrd + Neg<Output = Self> {
     /// If this type does not support a NaN representation, this function should panic
     /// if the number is outside the range [-1, 1].
     ///
-    #[cfg_attr(any(feature = "std", feature = "libm"), doc=" ```")]
-    #[cfg_attr(not(any(feature = "std", feature = "libm")), doc=" ```ignore")]
+    #[cfg_attr(any(feature = "std", feature = "libm"), doc = " ```")]
+    #[cfg_attr(not(any(feature = "std", feature = "libm")), doc = " ```ignore")]
     /// use num_traits::real::Real;
     /// use std::f64;
     ///
@@ -608,8 +608,8 @@ pub trait Real: Num + Copy + NumCast + PartialOrd + Neg<Output = Self> {
     /// If this type does not support a NaN representation, this function should panic
     /// if the number is outside the range [-1, 1].
     ///
-    #[cfg_attr(any(feature = "std", feature = "libm"), doc=" ```")]
-    #[cfg_attr(not(any(feature = "std", feature = "libm")), doc=" ```ignore")]
+    #[cfg_attr(any(feature = "std", feature = "libm"), doc = " ```")]
+    #[cfg_attr(not(any(feature = "std", feature = "libm")), doc = " ```ignore")]
     /// use num_traits::real::Real;
     /// use std::f64;
     ///
@@ -625,8 +625,8 @@ pub trait Real: Num + Copy + NumCast + PartialOrd + Neg<Output = Self> {
     /// Computes the arctangent of a number. Return value is in radians in the
     /// range [-pi/2, pi/2];
     ///
-    #[cfg_attr(any(feature = "std", feature = "libm"), doc=" ```")]
-    #[cfg_attr(not(any(feature = "std", feature = "libm")), doc=" ```ignore")]
+    #[cfg_attr(any(feature = "std", feature = "libm"), doc = " ```")]
+    #[cfg_attr(not(any(feature = "std", feature = "libm")), doc = " ```ignore")]
     /// use num_traits::real::Real;
     ///
     /// let f = 1.0;
@@ -645,8 +645,8 @@ pub trait Real: Num + Copy + NumCast + PartialOrd + Neg<Output = Self> {
     /// * `y >= 0`: `arctan(y/x) + pi` -> `(pi/2, pi]`
     /// * `y < 0`: `arctan(y/x) - pi` -> `(-pi, -pi/2)`
     ///
-    #[cfg_attr(any(feature = "std", feature = "libm"), doc=" ```")]
-    #[cfg_attr(not(any(feature = "std", feature = "libm")), doc=" ```ignore")]
+    #[cfg_attr(any(feature = "std", feature = "libm"), doc = " ```")]
+    #[cfg_attr(not(any(feature = "std", feature = "libm")), doc = " ```ignore")]
     /// use num_traits::real::Real;
     /// use std::f64;
     ///
@@ -671,8 +671,8 @@ pub trait Real: Num + Copy + NumCast + PartialOrd + Neg<Output = Self> {
     /// Simultaneously computes the sine and cosine of the number, `x`. Returns
     /// `(sin(x), cos(x))`.
     ///
-    #[cfg_attr(any(feature = "std", feature = "libm"), doc=" ```")]
-    #[cfg_attr(not(any(feature = "std", feature = "libm")), doc=" ```ignore")]
+    #[cfg_attr(any(feature = "std", feature = "libm"), doc = " ```")]
+    #[cfg_attr(not(any(feature = "std", feature = "libm")), doc = " ```ignore")]
     /// use num_traits::real::Real;
     /// use std::f64;
     ///
@@ -690,8 +690,8 @@ pub trait Real: Num + Copy + NumCast + PartialOrd + Neg<Output = Self> {
     /// Returns `e^(self) - 1` in a way that is accurate even if the
     /// number is close to zero.
     ///
-    #[cfg_attr(any(feature = "std", feature = "libm"), doc=" ```")]
-    #[cfg_attr(not(any(feature = "std", feature = "libm")), doc=" ```ignore")]
+    #[cfg_attr(any(feature = "std", feature = "libm"), doc = " ```")]
+    #[cfg_attr(not(any(feature = "std", feature = "libm")), doc = " ```ignore")]
     /// use num_traits::real::Real;
     ///
     /// let x = 7.0;
@@ -711,8 +711,8 @@ pub trait Real: Num + Copy + NumCast + PartialOrd + Neg<Output = Self> {
     /// If this type does not support a NaN representation, this function should panic
     /// if `self-1 <= 0`.
     ///
-    #[cfg_attr(any(feature = "std", feature = "libm"), doc=" ```")]
-    #[cfg_attr(not(any(feature = "std", feature = "libm")), doc=" ```ignore")]
+    #[cfg_attr(any(feature = "std", feature = "libm"), doc = " ```")]
+    #[cfg_attr(not(any(feature = "std", feature = "libm")), doc = " ```ignore")]
     /// use num_traits::real::Real;
     /// use std::f64;
     ///
@@ -727,8 +727,8 @@ pub trait Real: Num + Copy + NumCast + PartialOrd + Neg<Output = Self> {
 
     /// Hyperbolic sine function.
     ///
-    #[cfg_attr(any(feature = "std", feature = "libm"), doc=" ```")]
-    #[cfg_attr(not(any(feature = "std", feature = "libm")), doc=" ```ignore")]
+    #[cfg_attr(any(feature = "std", feature = "libm"), doc = " ```")]
+    #[cfg_attr(not(any(feature = "std", feature = "libm")), doc = " ```ignore")]
     /// use num_traits::real::Real;
     /// use std::f64;
     ///
@@ -746,8 +746,8 @@ pub trait Real: Num + Copy + NumCast + PartialOrd + Neg<Output = Self> {
 
     /// Hyperbolic cosine function.
     ///
-    #[cfg_attr(any(feature = "std", feature = "libm"), doc=" ```")]
-    #[cfg_attr(not(any(feature = "std", feature = "libm")), doc=" ```ignore")]
+    #[cfg_attr(any(feature = "std", feature = "libm"), doc = " ```")]
+    #[cfg_attr(not(any(feature = "std", feature = "libm")), doc = " ```ignore")]
     /// use num_traits::real::Real;
     /// use std::f64;
     ///
@@ -765,8 +765,8 @@ pub trait Real: Num + Copy + NumCast + PartialOrd + Neg<Output = Self> {
 
     /// Hyperbolic tangent function.
     ///
-    #[cfg_attr(any(feature = "std", feature = "libm"), doc=" ```")]
-    #[cfg_attr(not(any(feature = "std", feature = "libm")), doc=" ```ignore")]
+    #[cfg_attr(any(feature = "std", feature = "libm"), doc = " ```")]
+    #[cfg_attr(not(any(feature = "std", feature = "libm")), doc = " ```ignore")]
     /// use num_traits::real::Real;
     /// use std::f64;
     ///
@@ -784,8 +784,8 @@ pub trait Real: Num + Copy + NumCast + PartialOrd + Neg<Output = Self> {
 
     /// Inverse hyperbolic sine function.
     ///
-    #[cfg_attr(any(feature = "std", feature = "libm"), doc=" ```")]
-    #[cfg_attr(not(any(feature = "std", feature = "libm")), doc=" ```ignore")]
+    #[cfg_attr(any(feature = "std", feature = "libm"), doc = " ```")]
+    #[cfg_attr(not(any(feature = "std", feature = "libm")), doc = " ```ignore")]
     /// use num_traits::real::Real;
     ///
     /// let x = 1.0;
@@ -799,8 +799,8 @@ pub trait Real: Num + Copy + NumCast + PartialOrd + Neg<Output = Self> {
 
     /// Inverse hyperbolic cosine function.
     ///
-    #[cfg_attr(any(feature = "std", feature = "libm"), doc=" ```")]
-    #[cfg_attr(not(any(feature = "std", feature = "libm")), doc=" ```ignore")]
+    #[cfg_attr(any(feature = "std", feature = "libm"), doc = " ```")]
+    #[cfg_attr(not(any(feature = "std", feature = "libm")), doc = " ```ignore")]
     /// use num_traits::real::Real;
     ///
     /// let x = 1.0;
@@ -814,8 +814,8 @@ pub trait Real: Num + Copy + NumCast + PartialOrd + Neg<Output = Self> {
 
     /// Inverse hyperbolic tangent function.
     ///
-    #[cfg_attr(any(feature = "std", feature = "libm"), doc=" ```")]
-    #[cfg_attr(not(any(feature = "std", feature = "libm")), doc=" ```ignore")]
+    #[cfg_attr(any(feature = "std", feature = "libm"), doc = " ```")]
+    #[cfg_attr(not(any(feature = "std", feature = "libm")), doc = " ```ignore")]
     /// use num_traits::real::Real;
     /// use std::f64;
     ///