/// <summary>
/// Cross the specified parents generating the children.
/// </summary>
/// <param name="parents">The parents.</param>
/// <returns>The offspring (children) of the parents.</returns>
public override IList <IIndividual> Cross(IList <IIndividual> parents)
{
// This xover need same length
if (parents[0].Length != parents[1].Length)
{
return(parents);
}
// minimal parents lenght
if (parents[0].Length <= minParentSize)
{
return(parents);
}
// cross points
var crossPoints = RandomizationRnd.GetUniqueInts(2, 1, parents[0].Length - 2);
// new individuals
int firstIndex = crossPoints[0];
int secondIndex = crossPoints[1];
if (secondIndex < firstIndex)
{
secondIndex = crossPoints[0];
firstIndex = crossPoints[1];
}
var firstChild = CreateChild(parents[0], parents[1], firstIndex, secondIndex);
var secondChild = CreateChild(parents[1], parents[0], firstIndex, secondIndex);
return(new List <IIndividual>()
{
firstChild, secondChild
});
}