From 1e892e22380d56e3c59ce8f9d28c8ed6995dcd02 Mon Sep 17 00:00:00 2001
From: Yoan Lecoq <yoanlecoq.io@gmail.com>
Date: Thu, 18 Jan 2018 21:32:46 +0100
Subject: [PATCH] Remove legacy default implementations

---
 src/real.rs | 18 +++---------------
 1 file changed, 3 insertions(+), 15 deletions(-)

diff --git a/src/real.rs b/src/real.rs
index e7213e7..c813a01 100644
--- a/src/real.rs
+++ b/src/real.rs
@@ -56,9 +56,7 @@ pub trait Real
     ///
     /// The default implementation will panic if `f32::EPSILON` cannot
     /// be cast to `Self`.
-    fn epsilon() -> Self {
-        Self::from(::std::f32::EPSILON).expect("Unable to cast from f32::EPSILON")
-    }
+    fn epsilon() -> Self;
 
     /// Returns the largest finite value that this type can represent.
     ///
@@ -412,12 +410,7 @@ pub trait Real
     ///
     /// assert!(abs_difference < 1e-10);
     /// ```
-    #[inline]
-    fn to_degrees(self) -> Self {
-        let halfpi = Self::zero().acos();
-        let ninety = Self::from(90u8).unwrap();
-        self * ninety / halfpi
-    }
+    fn to_degrees(self) -> Self;
 
     /// Converts degrees to radians.
     ///
@@ -430,12 +423,7 @@ pub trait Real
     ///
     /// assert!(abs_difference < 1e-10);
     /// ```
-    #[inline]
-    fn to_radians(self) -> Self {
-        let halfpi = Self::zero().acos();
-        let ninety = Self::from(90u8).unwrap();
-        self * halfpi / ninety
-    }
+    fn to_radians(self) -> Self;
 
     /// Returns the maximum of the two numbers.
     ///