offset_rationals.rb in tzinfo-0.3.21

- old
+ new

@@ -1,7 +1,7 @@
 #--
-# Copyright (c) 2006 Philip Ross
+# Copyright (c) 2006-2010 Philip Ross
 # 
 # Permission is hereby granted, free of charge, to any person obtaining a copy
 # of this software and associated documentation files (the "Software"), to deal
 # in the Software without restriction, including without limitation the rights
 # to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
@@ -18,11 +18,10 @@
 # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 # THE SOFTWARE.
 #++
 
-require 'rational'
-require 'tzinfo/ruby_core_support'
+require 'rational' unless defined?(Rational)
 
 module TZInfo
   
   # Provides a method for getting Rationals for a timezone offset in seconds.
   # Pre-reduced rationals are returned for all the half-hour intervals between