private double getCrossoverRate(IPopulation parents) {
int population_size = parents.getGenotypes().size();
if (population_size <= AVG_SIZE) return properties.getCrossoverRate();
if (population_size >= MAX_SIZE) return 0;
return properties.getCrossoverRate() * (MAX_SIZE - population_size) / MAX_SIZE;
}
public Crossover(AlgorithmProperties properties, GenotypeHelper helper) {
this.properties = properties;
this.helper = helper;
this.random = properties.getRandom();
this.MIN_SIZE = properties.getThreadPopulationMinSize();
this.MAX_SIZE = properties.getThreadPopulationMaxSize();
this.AVG_SIZE = (MIN_SIZE + MAX_SIZE) / 2;
}