* lib/cmath.rb (cbrt): should return a real number if possible.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_9_3@32761 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 4 insertions, 0 deletions

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+Sat Jul 30 23:51:44 2011  Tadayoshi Funaba  <tadf@dotrb.org>
+
+	* lib/cmath.rb (cbrt): should return a real number if possible.
+
 Sat Jul 30 23:48:04 2011  Tadayoshi Funaba  <tadf@dotrb.org>
 
 	* ext/date/date_core.c: an issue that is same as  [ruby-dev:44071].