TwoPoint.py

00001 """Perform two-point crossovers between the genomes of two organisms. This module performs two-point crossover between two genomes. There are two flavors: OnePointCrossover (Point) and TwoPointCrossover. TwoPointCrossover is the minimal crossover technique that facilitates diverse genome length. Do not use this if you need to maintain consistent genome length. TwoPointCrossover: genome 1 -- A B*C D E F genome 2 -- a b c*d e f new genome 1 -- A B d e f new genome 2 -- a b c C D E F """ # standard modules from GeneralPoint import TwoCrossover 00021 class TwoPointCrossover(TwoCrossover): """Perform two point crossover between genomes at some defined rate. This performs a crossover between two genomes at some defined frequency. The location of the points of crossover are chosen randomly if the crossover meets the probability to occur. """ 00028 def __init__(self, crossover_prob = .1): """Initialize to do crossovers at the specified probability. """ TwoCrossover.__init__(self, 2, crossover_prob)

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