#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){
}

Point::Point(double x_coord): Point(x_coord, 0.0) {   // Not allowed in older C++, but legal i C++11.
                                                      // error: type  Point  is not a direct base of 'Point'
}


Point::Point(Point& p): this(p.x + 1.0, p.y + 2.0){   // this not allowed here in C++ (not even i C++ 11).
}



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

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

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