evolver.rb in rubyneat-0.4.0.alpha.3

- old
+ new

@@ -1,7 +1,8 @@
 require 'rubyneat'
 require 'distribution'
+
 module NEAT
   #= Evolver -- Basis of all evolvers.
   # All evolvers shall derive from this basic evolver (or this one can be
   # used as is). Here, we'll have many different evolutionary operators
   # that will perform operations on the various critters in the population.
@@ -81,10 +82,10 @@
     # is c1.fitness <=> c2.fitness. You may elect to evaluate them differently.
     def prepare_fitness!
       @npop.species.each do |k, sp|
         sp.sort!{|c1, c2|
           unless @controller.compare_func.nil?
-            @controller.compare_func.(c1.fitness, c2.fitness)
+            @controller.compare_func_hook(c1.fitness, c2.fitness)
           else
             c1.fitness <=> c2.fitness
           end
         }
       end