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

Point Point::defaultPoint = Point(5,7);  // Necessary. Linking problems if it is omitted.
                                         // Serves as initialization of the static variable member.

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

Point::Point(){                          // The default constructor uses the the static 
  x = defaultPoint.x;                    // data member defaultPoint.
  y = defaultPoint.y;
}

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

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

void Point::move(double dx, double dy){
    x += dx; y += dy;
}

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

Point Point::origo(){
  return Point(0,0);
}

void Point::setDefaultPoint(Point p){
  defaultPoint.x = p.x;
  defaultPoint.y = p.y;
}

void Point::setDefaultPoint(double xcord, double ycord){
  defaultPoint.x = xcord;
  defaultPoint.y = ycord;
}

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