/// <summary>
/// Crossover operator.
/// </summary>
///
/// <param name="pair">Pair chromosome to crossover with.</param>
///
/// <remarks><para>The method performs crossover between two chromosomes ?interchanging
/// some parts between these chromosomes.</para></remarks>
///
public override void Crossover(IChromosome pair)
{
PermutationChromosome p = (PermutationChromosome)pair;
// check for correct pair
if ((p != null) && (p.length == length))
{
ushort[] child1 = new ushort[length];
ushort[] child2 = new ushort[length];
// create two children
CreateChildUsingCrossover(this.val, p.val, child1);
CreateChildUsingCrossover(p.val, this.val, child2);
// replace parents with children
this.val = child1;
p.val = child2;
}
}
/// <summary>
/// Initializes a new instance of the <see cref="PermutationChromosome"/> class.
/// </summary>
///
/// <param name="source">Source chromosome to copy.</param>
///
/// <remarks><para>This is a copy constructor, which creates the exact copy
/// of specified chromosome.</para></remarks>
///
protected PermutationChromosome(PermutationChromosome source) : base(source)
{
}