/// <summary>
/// Utility to maximise an existing matching of the provided graph.
/// </summary>
/// <param name="g">a graph</param>
/// <param name="m">matching on the graph, will me modified</param>
/// <param name="n">current matching cardinality</param>
/// <param name="s">subset of vertices to match</param>
/// <returns>the maximal matching on the graph</returns>
public static int Maximise(Graph g, Matching m, int n, IntSet s)
{
MaximumMatching mm = new MaximumMatching(g, m, n, s);
return(mm.nMatched);
}