public void TestAddCandidate()
{
var candidateA = BreedingCandidateMocks.CreateMock(0.4);
var candidateB = BreedingCandidateMocks.CreateMock(1.5);
_population.Add(candidateA);
_population.Add(candidateB);
Assert.AreEqual(1.9, _population.TotalFitness);
Assert.AreEqual(2, _population.Size);
}
public virtual void AddEntitiesToPopulation(IPopulation population, IEntityList entities)
{
for (int i = 0; i < entities.Count; i++)
{
population.Add(entities[i]);
}
}
public override IEntityList Replace(IPopulation targetPopulation, IEntityList offspring, IEntityList parents, IPopulation sourcePopulation)
{
var inserted = new EntityList(1);
var populationSize = Parameters.GetValue(Algorithm.ParameterNames.PopulationSize);
//TODO: FitnessComparer.SelectWorst, SelectBest
if (offspring.Count == 0)
{
return(inserted);
}
var entityToRemove = FitnessComparer.Dominates(parents[0].Fitness, parents[1].Fitness) ? parents[0] : parents[1];
var entityToAdd = (offspring.Count > 1 && FitnessComparer.Dominates(offspring[0].Fitness, offspring[1].Fitness)) ? offspring[1] : offspring[0];
if (FitnessComparer.Dominates(entityToRemove.Fitness, entityToAdd.Fitness))
{
targetPopulation.Add(entityToAdd);
inserted.Add(entityToAdd);
if (sourcePopulation.Count > populationSize)
{
sourcePopulation.Remove(entityToRemove);
}
}
return(inserted);
}
public override IEntityList Replace(IPopulation population, IEntityList offspring, IEntityList parents, IPopulation sourcePopulation)
{
var inserted = new EntityList(offspring.Count);
int tournamentSize = Parameters.GetInt(ParameterNames.TournamentSize);
for (int i = 0; i < offspring.Count; i++)
{
var entityForRemove = SelectOne(population, tournamentSize);
population.RemoveAt(entityForRemove);
population.Add(offspring[i]);
inserted.Add(offspring[i]);
}
return(inserted);
}