Class: EvoSynth::Recombinations::OnePointCrossover

Inherits:
Object
  • Object
show all
Defined in:
lib/evosynth/operators/recombinations/one_point_crossover.rb

Overview

EIN-PUNKT-CROSSOVER (Weicker Page 84)

Instance Method Summary collapse

Instance Method Details

#recombine(parent_one, parent_two) ⇒ Object 



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# File 'lib/evosynth/operators/recombinations/one_point_crossover.rb', line 31

def recombine(parent_one, parent_two)
  child_one = parent_one.deep_clone
  child_two = parent_two.deep_clone

  shorter = EvoSynth::Recombinations.individual_with_shorter_genome(parent_one, parent_two)
  crossover_point = EvoSynth.rand(shorter.genome.size)

  first_range = 0..crossover_point
  child_one.genome[first_range] =  parent_one.genome[first_range]
  child_two.genome[first_range] =  parent_two.genome[first_range]

  second_range = (crossover_point + 1)..(shorter.genome.size - 1)
  child_one.genome[second_range] = parent_two.genome[second_range]
  child_two.genome[second_range] = parent_one.genome[second_range]

  [child_one, child_two]
end

#to_s ⇒ Object 



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# File 'lib/evosynth/operators/recombinations/one_point_crossover.rb', line 49

def to_s
  "one-point crossover"
end