![]() ![]() ![]() ![]() | Definition of then Point application operator. | Lecture 5 - slide 35 : 39 Program 5 |
#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 x; } double Point::gety () const{ return y; } void Point::move(double dx, double dy){ x += dx; y += dy; } double Point::distance_to(Point p){ return sqrt((x - p.x) * (x - p.x) + (y - p.y) * (y - p.y)); } double Point::operator()(int i) const{ if (i == 1) return x; else if (i == 2) return y; else throw IndexProblem(); } std::ostream& operator<<(std::ostream& s, const Point& p){ return s << "(" << p.getx() << "," << p.gety() << ")" ; }