From 8a4be8080b434fec90d8b519414f27e219971ace Mon Sep 17 00:00:00 2001
From: Jay Anderson <jayanderson0@gmail.com>
Date: Mon, 11 Nov 2013 20:52:42 -0700
Subject: [PATCH] Use constants instead of raw values.

---
 src/libstd/num/mod.rs | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/src/libstd/num/mod.rs b/src/libstd/num/mod.rs
index b21016e27d0..873d66d401e 100644
--- a/src/libstd/num/mod.rs
+++ b/src/libstd/num/mod.rs
@@ -268,10 +268,8 @@ pub trait Trigonometric {
     /// ```rust
     /// let y = 3f32.sqrt();
     /// let x = 1f32;
-    /// let pi_3 = 1.04719758f32;
-    /// assert_approx_eq!(y.atan2(&x), pi_3);
-    /// let neg_2_pi_3 = -2.09439516f32;
-    /// assert_approx_eq!((-y).atan2(&(-x)), neg_2_pi_3);
+    /// assert_approx_eq!(y.atan2(&x), f32::consts::PI / 3f32);
+    /// assert_approx_eq!((-y).atan2(&(-x)), - 2f32 * f32::consts::PI / 3f32);
     /// ```
     fn atan2(&self, other: &Self) -> Self;