public void Context()
{
TheGene = "+xy";
MaxGeneSize = 4;
Mutator = new GeneMutator(new[] { "+", "-", "/", "*", "r", "a", "b" }, 0, MaxGeneSize);
Because();
}
public string Go(IGenePoolConfiguration configuration, Action<string, double> statusReport)
{
var probabilityOfMutation = configuration.ProbabilityOfMutation;
var generationsToRunFor = configuration.GenerationRunCount;
var maxGeneSize = configuration.MaximumGeneLength;
var populationSizeToMaintain = configuration.PopulationSizeToMaintain;
var keepTopNPerformers = configuration.KeepTheTopNPerformersEachGeneration;
var god = new GeneGod(configuration.GeneGrammar, maxGeneSize);
var breedingSelector = new BreedingSelection.BreedingSelectionProcess(configuration.GetProblemDescription());
var mutator = new GeneMutator(configuration.GeneGrammar, probabilityOfMutation, maxGeneSize);
var grotto = new GeneGrotto(maxGeneSize);
var population = god.CreateCountOfGenes(populationSizeToMaintain);
var veryBestGene = "";
foreach (var generation in 0.Until(generationsToRunFor))
{
population = breedingSelector.ChooseTopNPerformers(population, keepTopNPerformers);
veryBestGene = population.First();
var topScore = configuration.GetProblemDescription().ScoreThis(veryBestGene);
statusReport(veryBestGene, topScore);
if(topScore >= configuration.StopIfScoreIsAtLeastThisHigh)
break;
while(population.Count() < populationSizeToMaintain)
{
population = grotto.GetItOn(population);
population = population.Select(x => mutator.Mutate(x));
}
population = _RemoveSurplusOrganisms(populationSizeToMaintain, population);
}
return veryBestGene;
}
