/// <summary>
 /// Compares the specified <see cref="Coordinate" />s arrays.
 /// </summary>
 /// <param name="pts1"></param>
 /// <param name="pts2"></param>
 /// <returns></returns>
 public int Compare(ICoordinate[] pts1, ICoordinate[] pts2)
 {
     return(CoordinateArrays.Compare(pts1, pts2));
 }