Back to slide -- Keyboard shortcut: 'u'  previous -- Keyboard shortcut: 'p'  next -- Keyboard shortcut: 'n'          destructors-2a/point.cc - Implementation of class point - now with a destructor that deallocates the Point representation.Lecture 4 - slide 12 : 40
Program 5

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

// Here we use the member initializer to establish the array of two doubles
Point::Point() : point_representation{new double[2]{0.0, 0.0}} {
}

Point::Point(double x_coord, double y_coord) : point_representation{new double[2]{x_coord, y_coord}}{
}

Point::~Point(){
  std::cout << "Deleting point" << "(" << getx() << "," << gety() << ")" << std::endl;
  delete[] point_representation;
}


double Point::getx () const{
  return point_representation[0];
}

double Point::gety () const{
  return point_representation[1];
}

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