lib/dither/ipog.rb in dither-0.0.3 vs lib/dither/ipog.rb in dither-0.0.4

@@ -88,10 +88,13 @@
     end
 
     private
 
     def fill_unbound(data)
+      @bound_sets ||= []
+      return nil if @bound_sets.any? { |a| data.subset?(a) }
+
       arr = Array.new(params.length)
       data.each do |param|
         arr[param.i] = params[param.i][param.j]
       end
 
@@ -100,9 +103,10 @@
           j = 0
           arr[i] = params[i][j]
           data << Param.new(i, j)
         end
       end
+      @bound_sets << data
       return nil if violates_constraints?(data)
       arr
     end
 
     def find_unbound(param_array, stuff)