Class: BestsPickStrategy

Inherits:
PickStrategy show all
Defined in:
lib/gimuby/genetic/population/pick_strategy/bests_pick_strategy.rb

Instance Attribute Summary

Attributes inherited from PickStrategy

#pick_proportion

Instance Method Summary collapse

Methods inherited from PickStrategy

#initialize

Constructor Details

This class inherits a constructor from PickStrategy

Instance Method Details

#pick(population) ⇒ Object 



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# File 'lib/gimuby/genetic/population/pick_strategy/bests_pick_strategy.rb', line 5

def pick(population)
  solutions = population.solutions
  number = get_number_to_pick(population)
  candidates = solutions.clone

  candidates.sort! do |x, y|
    (population.get_fitness x) <=> (population.get_fitness y)
  end

  candidates.slice(0, number)
end