/// <summary>
/// Gets the hash code of a potential connection gene pattern. Based off the innovation numbers of the given node gene patterns.
/// </summary>
/// <param name="pedigree">The owning pedigree of the potential connection gene pattern.</param>
/// <param name="from">The from node of the potential connection gene pattern.</param>
/// <param name="to">The to node of the potential connection gene pattern.</param>
/// <returns>The hash code.</returns>
/// <exception cref="ArgumentNullException">When from/to is null.</exception>
public static int GetHashCode(Pedigree pedigree, NodeGenePattern from, NodeGenePattern to)
{
Helpers.ThrowOnNull(from, "from");
Helpers.ThrowOnNull(to, "to");
return(from.InnovationNumber * pedigree.MaxNodes + to.InnovationNumber);
}
/// <summary>
/// Constructs a connection gene pattern with the given innovation number, from/to nodes, and replacing number.
/// </summary>
/// <param name="pedigree">The owning pedigree of this connection gene pattern.</param>
/// <param name="innovation_number">The innovation number.</param>
/// <param name="from">The NodeGene to connect from.</param>
/// <param name="to">The NodeGene to connect to.</param>
/// <param name="replacing_number">The innovation number of the node that replaces this connection.</param>
/// <exception cref="ArgumentNullException">When from/to is null.</exception>
protected internal ConnectionGenePattern(Pedigree pedigree, int innovation_number, NodeGenePattern from, NodeGenePattern to, int replacing_number) :
base(pedigree, innovation_number)
{
Helpers.ThrowOnNull(from, "from");
Helpers.ThrowOnNull(to, "to");
From = from;
To = to;
ReplacingNumber = replacing_number;
}
/// <summary>
/// Constructs a node gene pattern with the given innovation number and X position.
/// </summary>
/// <param name="pedigree">The owning pedigree of this node gene pattern.</param>
/// <param name="innovation_number">The innovation number.</param>
/// <param name="x">The X position of the node.</param>
protected internal NodeGenePattern(Pedigree pedigree, int innovation_number, double x) :
base(pedigree, innovation_number)
{
X = x;
}
/// <summary>
/// Constructs a gene pattern with the given pedigree and innovation number.
/// </summary>
/// <param name="pedigree">The owning pedigree of this gene pattern.</param>
/// <param name="innovation_number">The innovation number.</param>
public GenePattern(Pedigree pedigree, int innovation_number)
{
Pedigree = pedigree;
InnovationNumber = innovation_number;
}
