import java.awt.*;
import java.awt.event.*;
import java.util.*;  

public class InsertionP implements java.io.Serializable{
  double x;
  double y;    
  Vedge edge;  
  public InsertionP(double dx, double dy) {
    x = dx; 
    y = dy;
    edge = null;
  }
  public double Distance(double dx, double dy)
    { 
      double ddx = dx - x;
      double ddy = dy - y;
      return Math.sqrt((ddx*ddx+ddy*ddy));
    }

}