lib/dydx/helper.rb in dydx-0.1.29 vs lib/dydx/helper.rb in dydx-0.1.31

@@ -20,24 +20,16 @@
       :/ => :*,
       :^ => :|,
       :| => :^
     }
 
-    def super_ope(operator)
-      SUPER_OPE_RELATION[operator]
-    end
-
-    def sub_ope(operator)
-      SUPER_OPE_RELATION.invert[operator]
-    end
-
     def inverse_ope(operator)
       INVERSE_OPE_RELATION[operator]
     end
 
     def inverse_super_ope(operator)
-      inverse_ope(super_ope(operator))
+      inverse_ope(operator.super)
     end
 
     def is_num?
       (is_a?(Num) || is_a?(Fixnum) || is_a?(Float)) || (is_a?(Inverse) && x.is_num?)
     end
@@ -53,11 +45,11 @@
     def is_minus1?
       [1, -1.0].include?(self)|| (is_a?(Num) && n.is_minus1?)
     end
 
     def distributive?(ope1, ope2)
-      [super_ope(ope1), inverse_super_ope(ope1)].include?(ope2)
+      [ope1.super, ope1.inverse_super].include?(ope2)
     end
 
     def combinable?(x, operator)
       case operator
       when :+
@@ -129,9 +121,21 @@
     end
 
     Symbol.class_eval do
       def commutative?
         [:+, :*].include?(self)
+      end
+
+      def super
+        SUPER_OPE_RELATION[self] || self
+      end
+
+      def sub
+        SUPER_OPE_RELATION.invert[self] || self
+      end
+
+      def inverse_super
+        inverse_super_ope(self) || self
       end
     end
 
     def ==(x)
       to_s == x.to_s