/// <summary>
/// Crossover operator.
/// </summary>
///
/// <param name="pair">Pair chromosome to crossover with.</param>
///
/// <remarks><para>The method performs crossover between two chromosomes interchanging
/// range of genes (array elements) between these chromosomes.</para></remarks>
///
public override void Crossover(AForge.Genetic.IChromosome pair)
{
ModelItemArrayChromosome p = (ModelItemArrayChromosome)pair;
// check for correct pair
if ((p != null) && (p.Mic.Length == Mic.Length))
{
// crossover point
int crossOverPoint = rand.Next(Mic.Length - 1) + 1;
// length of chromosome to be crossed
int crossOverLength = Mic.Length - crossOverPoint;
// temporary array
uint[] temp1 = new uint[crossOverLength];
uint[] temp2 = new uint[crossOverLength];
ObjectItem[] temp3 = new ObjectItem[crossOverLength];
// copy part of first (this) chromosome to temp
Array.Copy(start, crossOverPoint, temp1, 0, crossOverLength);
Array.Copy(end, crossOverPoint, temp2, 0, crossOverLength);
Array.Copy(Micp, crossOverPoint, temp3, 0, crossOverLength);
// copy part of second (pair) chromosome to the first
Array.Copy(p.start, crossOverPoint, start, crossOverPoint, crossOverLength);
Array.Copy(p.end, crossOverPoint, end, crossOverPoint, crossOverLength);
Array.Copy(p.Micp, crossOverPoint, Micp, crossOverPoint, crossOverLength);
// copy temp to the second
Array.Copy(temp1, 0, p.start, crossOverPoint, crossOverLength);
Array.Copy(temp2, 0, p.end, crossOverPoint, crossOverLength);
Array.Copy(temp3, 0, p.Micp, crossOverPoint, crossOverLength);
}
}
/// <summary>
/// Initializes a new instance of the <see cref="ShortArrayChromosome"/> 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 ModelItemArrayChromosome(ModelItemArrayChromosome source)
{
// copy all properties
length = source.length;
Mic = source.Mic;
Micp = (ObjectItem[])source.Micp.Clone();
minValues = source.minValues;
sItems = source.sItems;
start = (uint[])source.start.Clone();
end = (uint[])source.end.Clone();
durations = source.durations;
oDurations = source.oDurations;
si = source.si;
fitness = source.fitness;
}
