namespace Dbscan
{

    /// <summary>
    /// Represents a method that calculates the distance between two <see cref="T:Dbscan.IPointData" /> objects.
    /// </summary>
    /// <param name="p1">An object representing the first point.</param>
    /// <param name="p2">An object representing the second point.</param>
    /// <returns>The distance between points <paramref name="p1" /> and <paramref name="p2" />.</returns>
    public delegate double DistanceFunction(in IPointData p1, in IPointData p2);
}