public Gene(Gene a, Gene b)
{
int genePartIndex = Chromosome.random.Next(4);
byte logicHelper = 0;
for (int i = 0; i <= genePartIndex; i++)
{
logicHelper += (byte) Math.Pow(2, i);
}
byte vala = a.Value, valb = b.Value;
byte valc = (byte) (valb & logicHelper);
logicHelper = (byte) (~logicHelper - 240);
valc += (byte)(vala & logicHelper);
this.value = valc;
}
public Chromosome Recombine(Chromosome a, Chromosome b)
{
if (a == b)
return null;
// Chance to recombine means 2 fenotypes that meet
// don't always create a new one.
if (Chromosome.random.NextDouble() > crossoverProbability)
return null;
int partitionIndex = Chromosome.random.Next(Math.Min(a.Genes.Count, b.Genes.Count));
Gene gene = new Gene((Gene) a.Genes[partitionIndex], (Gene) b.Genes[partitionIndex]);
ArrayList list = new ArrayList();
for (int i = 0; i < partitionIndex; i++)
{
list.Add(a.Genes[i]);
}
list.Add(gene);
for (int i = partitionIndex + 1; i < b.Genes.Count; i++)
{
list.Add(b.Genes[i]);
}
Chromosome returnValue = new Chromosome(list);
returnValue.Mutate();
returnValue.ComputeFitness(target);
return returnValue;
}