lib/dydx/algebra/inverse.rb in dydx-0.1.314 vs lib/dydx/algebra/inverse.rb in dydx-0.1.412

@@ -27,15 +27,15 @@
         when :+ then x.to_f * -1
         when :* then x.to_f ** -1
         end
       end
 
-      def differentiate(sym=:x)
+      def differentiate(sym = :x)
         case operator
         when :+
           inverse(x.differentiate(sym), :+)
         when :*
-          inverse(x.differentiate(sym) * inverse(x ^ 2, :*), :+)
+          inverse(x.differentiate(sym) * inverse(x ** 2, :*), :+)
         end
       end
       alias_method :d, :differentiate
     end
   end