| classes/point4/point4.cc - Member function definitions for class Point. | Lecture 4 - slide 2 : 40 Program 4 |
// Definition of member functions for class Point
#include <cmath> // sqrt
#include <iostream>
#include "point4.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 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));
}
std::ostream& operator<<(std::ostream& s, const Point& p){
return s << "(" << p.getx() << "," << p.gety() << ")" ;
}