From e8508858a4eba91f50cffa6029580ebf6ddb1356 Mon Sep 17 00:00:00 2001
From: yugui <yugui@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Sun, 21 Jun 2009 09:14:00 +0000
Subject: merges r23658 from trunk into ruby_1_9_1. -- 	* lib/cmath.rb
 (log10): raised exception when the given number is 	  a negative real.

git-svn-id: http://svn.ruby-lang.org/repos/ruby/branches/ruby_1_9_1@23780 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 lib/cmath.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'lib')

diff --git a/lib/cmath.rb b/lib/cmath.rb
index 95a30c336..1b0c65c99 100644
--- a/lib/cmath.rb
+++ b/lib/cmath.rb
@@ -48,7 +48,7 @@ module CMath
   end
 
   def log10(z)
-    if z.real?
+    if z.real? and z >= 0
       log10!(z)
     else
       log(z) / log!(10)
-- 
cgit