/// <inheritdoc />
public void PerformOperation(IGenerateRandom rnd, IGenome[] parents, int parentIndex, IGenome[] offspring,
int offspringIndex)
{
var parent1 = (TreeGenome)parents[parentIndex];
EvaluateTree eval = parent1.Evaluator;
var off1 = (TreeGenome)_owner.Population.GenomeFactory.Factor(parent1);
RandomNodeResult off1Point = eval.SampleRandomNode(rnd, off1.Root);
int len = rnd.NextInt(1, _maxGraftLength + 1);
TreeGenomeNode randomSequence = eval.Grow(rnd, len);
if (off1Point.Parent == null)
{
off1.Root = randomSequence;
}
else
{
int idx = off1Point.Parent.Children.IndexOf(off1Point.Child);
off1Point.Parent.Children[idx] = randomSequence;
}
offspring[0] = off1;
}
/// <inheritdoc/>
public void PerformOperation(IGenerateRandom rnd, IGenome[] parents, int parentIndex, IGenome[] offspring,
int offspringIndex)
{
var parent1 = (TreeGenome)parents[parentIndex];
var parent2 = (TreeGenome)parents[parentIndex];
EvaluateTree eval = parent1.Evaluator;
var off1 = (TreeGenome)_owner.Population.GenomeFactory.Factor(parent1);
var replacePoint = eval.SampleRandomNode(rnd, off1.Root);
var copySource = eval.SampleRandomNode(rnd, parent2.Root);
var actualCopy = copySource.Child.Copy();
if (replacePoint.Parent == null)
{
off1.Root = actualCopy;
}
else
{
var idx = replacePoint.Parent.Children.IndexOf(replacePoint.Child);
replacePoint.Parent.Children[idx] = actualCopy;
}
offspring[0] = off1;
}
/// <summary>
/// Construct a tree factory.
/// </summary>
/// <param name="theEval">The evalator.</param>
public TreeGenomeFactory(EvaluateTree theEval)
{
_eval = theEval;
}
/// <summary>
/// Construct a tree factory.
/// </summary>
/// <param name="theEval">The evalator.</param>
public TreeGenomeFactory(EvaluateTree theEval)
{
_eval = theEval;
}
/// <summary>
/// Constructor.
/// </summary>
/// <param name="theEvaluator">The evaluator.</param>
public TreeGenome(EvaluateTree theEvaluator)
{
_evaluator = theEvaluator;
}
/// <summary>
/// Constructor.
/// </summary>
/// <param name="theEvaluator">The evaluator.</param>
public TreeGenome(EvaluateTree theEvaluator)
{
_evaluator = theEvaluator;
}