message: Implement `Float::{min, max}` for `no_std`
diff: @@ -682,6 +682,8 @@ pub trait Float
  /// Returns the maximum of the two numbers.
  ///
  + /// If one of the arguments is NaN, then the other argument is returned.
  + ///
  /// ```
  /// use num_traits::Float;
  ///
  @@ -690,11 +692,21 @@ pub trait Float
  ///
  /// assert_eq!(x.max(y), y);
  /// ```
  - #[cfg(feature = "std")]
  - fn max(self, other: Self) -> Self;
  + #[inline]
  + fn max(self, other: Self) -> Self {
  + if self.is_nan() {
  + return other;
  + }
  + if other.is_nan() {
  + return self;
  + }
  + if self > other { self } else { other }
  + }
  /// Returns the minimum of the two numbers.
  ///
  + /// If one of the arguments is NaN, then the other argument is returned.
  + ///
  /// ```
  /// use num_traits::Float;
  ///
  @@ -703,8 +715,16 @@ pub trait Float
  ///
  /// assert_eq!(x.min(y), x);
  /// ```
  - #[cfg(feature = "std")]
  - fn min(self, other: Self) -> Self;
  + #[inline]
  + fn min(self, other: Self) -> Self {
  + if self.is_nan() {
  + return other;
  + }
  + if other.is_nan() {
  + return self;
  + }
  + if self < other { self } else { other }
  + }
  /// The positive difference of two numbers.
  ///
  