/// <inheritdoc/>
public void PerformOperation(EncogRandom rnd, IGenome[] parents, int parentIndex,
IGenome[] offspring, int offspringIndex)
{
IArrayGenome mother = (IArrayGenome)parents[parentIndex];
IArrayGenome father = (IArrayGenome)parents[parentIndex + 1];
IArrayGenome offspring1 = (IArrayGenome)this.owner.Population.GenomeFactory.Factor();
IArrayGenome offspring2 = (IArrayGenome)this.owner.Population.GenomeFactory.Factor();
offspring[offspringIndex] = offspring1;
offspring[offspringIndex + 1] = offspring2;
int geneLength = mother.Size;
// the chromosome must be cut at two positions, determine them
int cutpoint1 = (int)(rnd.Next(geneLength - this.cutLength));
int cutpoint2 = cutpoint1 + this.cutLength;
// handle cut section
for (int i = 0; i < geneLength; i++)
{
if (!((i < cutpoint1) || (i > cutpoint2)))
{
offspring1.Copy(father, i, i);
offspring2.Copy(mother, i, i);
}
}
// handle outer sections
for (int i = 0; i < geneLength; i++)
{
if ((i < cutpoint1) || (i > cutpoint2))
{
offspring1.Copy(mother, i, i);
offspring2.Copy(father, i, i);
}
}
}
/// <inheritdoc/>
public void PerformOperation(EncogRandom rnd, IGenome[] parents, int parentIndex,
IGenome[] offspring, int offspringIndex)
{
IArrayGenome parent = (IArrayGenome)parents[parentIndex];
offspring[offspringIndex] = this.owner.Population.GenomeFactory.Factor();
IArrayGenome child = (IArrayGenome)offspring[offspringIndex];
child.Copy(parent);
int length = parent.Size;
int iswap1 = (int)(rnd.NextDouble() * length);
int iswap2 = (int)(rnd.NextDouble() * length);
// can't be equal
if (iswap1 == iswap2)
{
// move to the next, but
// don't go out of bounds
if (iswap1 > 0)
{
iswap1--;
}
else
{
iswap1++;
}
}
// make sure they are in the right order
if (iswap1 > iswap2)
{
int temp = iswap1;
iswap1 = iswap2;
iswap2 = temp;
}
child.Swap(iswap1, iswap2);
}