From f0fa1d7a5a650206daac14f2093fd248d4267f9d Mon Sep 17 00:00:00 2001
From: tadf <tadf@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Sat, 23 Jul 2011 12:14:43 +0000
Subject: 	* lib/cmath.rb: should return a real number if possible.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@32643 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 lib/cmath.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'lib/cmath.rb')

diff --git a/lib/cmath.rb b/lib/cmath.rb
index 14c2a9fce6..d613a3f6f9 100644
--- a/lib/cmath.rb
+++ b/lib/cmath.rb
@@ -147,7 +147,7 @@ module CMath
   ##
   # returns the principal value of the cube root of +z+
   def cbrt(z)
-    Complex(z) ** (1.0/3)
+    z ** (1.0/3)
   end
 
   ##
-- 
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