/// <summary>
/// Check if the edges are disjoint with respect to their reduced
/// vertices. That is, excluding the endpoints, no reduced vertices are
/// shared.
/// </summary>
/// <param name="other">another edge</param>
/// <returns>the edges reduced vertices are disjoint.</returns>
public bool Disjoint(PathEdge other)
{
return(!BitArrays.Intersects(this.xs, other.xs));
}
public bool Intersects(PathEdge e)
{
return(BitArrays.Intersects(e.xs, xs));
}