// A variant of point.cc where we use this more than usual.

#include <cmath>
#include <iostream>
#include "point.h"

Point::Point(double x_coord, double y_coord): x(x_coord), y(y_coord){
}

Point::Point(): x(0.0), y(0.0){
}

double Point::getx () const{
  return this->x;
}

double Point::gety () const{
  return this->y;
}

Point* Point::move(double dx, double dy){
  this->x += dx; this->y += dy;
  return this;  
}

double Point::distance_to(Point p){
  return sqrt((this->x - p.x) * (this->x - p.x) +
              (this->y - p.y) * (this->y - p.y));
}


std::ostream& operator<<(std::ostream& s, const Point& p){
  return s << "(" << p.getx() << "," << p.gety() << ")" ;
}