/* Point2.c */
#include <math.h>
#include <stdlib.h>
#include "Point2.h"
float distance(point a, point b)
  { float dx = a.x - b.x, dy = a.y - b.y;
    return sqrt(dx*dx + dy*dy);
  }

float randFloat()
  { return 1.0*rand()/RAND_MAX; }

point randPoint()
  {
    point p;
    p.x = randFloat();
    p.y = randFloat();
    return p;
  }