Module: Algorithm::Genetic::Mutation::Shift
- Defined in:
- lib/algorithm/genetic/mutation/shift.rb
Instance Method Summary collapse
Instance Method Details
#mutate(code) ⇒ Object
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# File 'lib/algorithm/genetic/mutation/shift.rb', line 4 def mutate(code) index = (rand * code.length).to_i direction = rand <= 0.5 ? -1 : 1 begin new_char = (code[index].ord + direction).chr rescue return(code) end code[index] = new_char return code end |