public void Mutate(ChromoSome chromoSome, double mutationProbability)
{
if (chromoSome == null)
{
throw new ArgumentNullException();
}
MutateInternal(chromoSome, mutationProbability);
}
public Population(int minPopulationCount, int maxPopulationCount, ChromoSome originChromoSome)
{
if (minPopulationCount < 2 || maxPopulationCount < _minPopulationCount)
{
throw new ArgumentOutOfRangeException();
}
_minPopulationCount = minPopulationCount;
_maxPopulationCount = maxPopulationCount;
_originChromoSome = originChromoSome;
_generations = new LimitedList <Generation>(DefaultGenerationCount);
}
public void EndUpdateCurrentGeneration()
{
_currentGeneration.EndUpdate(this);
if (_bestChromoSome != _currentGeneration.BestChromoSome)
{
_bestChromoSome = _currentGeneration.BestChromoSome;
BestChromosomeChanged?.Invoke(this, EventArgs.Empty);
}
}
public void EndUpdate(Population population)
{
var minCount = population.MinPopulationCount;
var maxCount = population.MaxPopulationCount;
while (_chromoSomes.Count < minCount)
{
_chromoSomes.Add(_chromoSomes[Util.Next(0, _chromoSomes.Count)]);
}
_chromoSomes = _chromoSomes.OrderByDescending(c => c.Fitness.Value).ToList();
if (_chromoSomes.Count > maxCount)
{
_chromoSomes = _chromoSomes.Take(maxCount).ToList();
}
_bestChromoSome = _chromoSomes.First();
}
public void ReInit()
{
_bestChromoSome = null;
_currentGeneration = null;
_generations.Clear();
var chromoSomes = new List <ChromoSome>();
for (int i = 0; i < _minPopulationCount; i++)
{
var chromoSome = _originChromoSome.Random();
if (chromoSome == null)
{
throw new ArgumentNullException();
}
chromoSome.Verify();
chromoSomes.Add(chromoSome);
}
GenerateGeneration(chromoSomes);
}
protected abstract void MutateInternal(ChromoSome chromoSome, double mutationProbability);
public IGene Mutation(ChromoSome chromoSome, int index)
{
var fChromoSome = chromoSome as FloatChromoSome;
return(new FloatGene(fChromoSome.GetValue(index)));
}