lib/polynomials.rb in polynomials-0.3.0 vs lib/polynomials.rb in polynomials-0.4.0

@@ -5,15 +5,23 @@
 ActiveSupport::Inflector.inflections do |inflect|
   inflect.plural /mum$/, '\1ma'
   inflect.singular /ma$/, '\1mum'
 end
 
-require 'polynomial'
+require 'exceptions'
+require 'formulas'
 require 'set'
-require 'term'
 require 'point'
-require 'formulas'
-require 'exceptions'
+require 'term'
+require 'analyzable'
+require 'polynomial'
 
 
 module Polynomials
+  Infinity = 1.0/0
+end
+
+class Numeric
+  def sign
+    self/self.abs
+  end
 end