public void ShouldFetchChromosome()
{
var individual = new TestIndividual <Int32>();
var chromosome = new Chromosome <Int32>();
chromosome.InitializeChromosome(3);
chromosome.SetChromosome(new[]
{
1
, 2
, 3
});
individual.SetChromosome(chromosome);
IChromosome <Int32> containedChromosome = individual.GetChromosome();
Assert.Equal(chromosome.GetGenome(), containedChromosome.GetGenome());
}
public TPopulation ModifyPopulation([NotNull] TPopulation originalPopulation)
{
#region Validation
if (originalPopulation == null)
{
throw new ArgumentNullException(nameof(originalPopulation));
}
#endregion
Random rng = new Random();
IEnumerable <TIndividual> individuals = originalPopulation.GetIndividuals().ToList();
foreach (TIndividual individual in individuals)
{
IChromosome <TGene> individualChromosome = individual.GetChromosome();
Int32 individualGenomeLength = individualChromosome.GetGenome().Length;
for (Int32 i = 0; i < individualGenomeLength; i++)
{
Boolean mutate = rng.NextDouble() < _mutationChangePerGene;
if (!mutate)
{
continue;
}
// Mutate a gene by replacing it with one provided by the injected function.
TGene newGene = _newGeneProvider();
individualChromosome.SetGeneAt(i, newGene);
}
}
TPopulation newPopulation = new TPopulation();
newPopulation.SetPopulation(individuals);
return(newPopulation);
}
