/// <summary>
/// Constructs a node gene with the given node gene pattern and activation function.
/// </summary>
/// <param name="nodeGenePattern">The node gene pattern that this node gene implements.</param>
/// <param name="activationFunction">The activation function of the node.</param>
/// <exception cref="ArgumentNullException">When the node gene pattern or activation function is null.</exception>
protected internal NodeGene(NodeGenePattern nodeGenePattern, Node.ActivationFunction activationFunction)
{
Helpers.ThrowOnNull(nodeGenePattern, "nodeGenePattern");
Helpers.ThrowOnNull(activationFunction, "activationFunction");
NodeGenePattern = nodeGenePattern;
ActivationFunction = activationFunction;
}
/// <summary>
/// Gets the hash code of this node gene. Is the ConnectionGenePattern hash code as well.
/// </summary>
/// <returns>The hash code.</returns>
public override int GetHashCode()
{
return(NodeGenePattern.GetHashCode());
}
/// <summary>
/// Constructs a node gene with the given node gene pattern and default activation function (<see cref="NEAT.Neural_Network.Node.Sigmoid(double)"/>).
/// </summary>
/// <param name="nodeGenePattern">The node gene pattern that this node gene implements.</param>
/// <exception cref="ArgumentNullException">When the node gene pattern is null.</exception>
protected internal NodeGene(NodeGenePattern nodeGenePattern)
: this(nodeGenePattern, Node.Sigmoid)
{
}
/// <summary>
/// String representation of this node gene.
/// </summary>
/// <returns>String representation of this node gene.</returns>
public override string ToString()
{
return(NodeGenePattern.ToString() + ", ActFunc: " + ActivationFunction.Method.Name);
}