/// <summary>
/// Gets the edge specified by the two vertices.
/// </summary>
/// <param name="from"> The from vertex. </param>
/// <param name="to"> The two vertex. </param>
/// <returns> The edge between the two specified vertices if found. </returns>
public Edge <T> GetEdge(Vertex <T> from, Vertex <T> to)
{
return(from.GetEmanatingEdgeTo(to));
}
/// <summary>
/// Adds the edge to the graph.
/// </summary>
/// <param name="from"> The from vertex. </param>
/// <param name="to"> The to vertex. </param>
/// <param name="weight"> The weight of this edge. </param>
public void AddEdge(Vertex <T> from, Vertex <T> to, double weight)
{
var edge = new Edge <T>(from, to, weight, graphIsDirected);
AddEdge(edge);
}
/// <summary>
/// Determines whether the specified vertex has a edge to the to vertex.
/// </summary>
/// <param name="vtx1"> The from vertex. </param>
/// <param name="vtx2"> The to vertex. </param>
/// <returns> <c>true</c> if the specified from vertex has an edge to the to vertex; otherwise, <c>false</c> . </returns>
public bool ContainsEdge(Vertex <T> vtx1, Vertex <T> vtx2)
{
return(graphIsDirected ? vtx1.HasEmanatingEdgeTo(vtx2) : vtx1.HasIncidentEdgeWith(vtx2));
}
/// <summary>
/// Determines whether this graph contains the specified vertex.
/// </summary>
/// <param name="vertex"> The vertex. </param>
/// <returns> <c>true</c> if this instance contains the specified vertex; otherwise, <c>false</c> . </returns>
public bool ContainsVertex(Vertex <T> vertex)
{
return(graphVertices.Contains(vertex));
}