ch-08-ex-04-solution.cpp
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	/*
	* chapter-08-exercise-04.cpp
	*
	* STL and 2D Point class
	*
	* Created on: Nov 1, 2012
	* Author: Radu Popescu <radu.popescu@epfl.ch>
	*/

	#include <iostream>
	#include <set>

	#include "Point2d.hpp"

	int main(int argc, char *argv[]) {
	std::set<Point2d> points;

	// Set the tolerance for the comparison operator of Point2d
	Point2d::sTolerance = 1e-6;

	Point2d origin(0.0, 0.0);

	points.insert(origin);
	points.insert(Point2d(-2.0, 1.0));
	points.insert(Point2d(-2.0, -5.0));
	points.insert(Point2d(0.0, 0.0));

	std::cout << "Number of points in set = " << points.size() << "\n";

	std::set<Point2d>::const_iterator c;
	std::cout.precision(3);
	for (c = points.begin(); c != points.end(); c++) {
	std::cout << c->x << " " << c->y << "\n";
	}

	return 0;
	}