#include <iostream>
#include <cstdlib>
#include "point.h"
using namespace std;

int main()
{
	//A 3-4-5 right triangle with right angle at the origin.
	const point A(3, 0);
	const point B(0, 4);
	const point C;

	cout << "A's distance from origin is " << A.dist() << ".\n"
		<< "The distance between A and B is " << dist(A, B) << ".\n"
		<< "The area of triangle ABC is " << area(A, B, C) << ".\n";

	cout << "The midpoint of A and B is ";
	const point M = midpoint(A, B);
	M.print();
	cout << ".\n";

	cout << "The address of midpoint is "
		<< reinterpret_cast<void *>(reinterpret_cast<size_t>(midpoint))
		<< ".\n";

	cout << "A, B, and M are " << (collinear(A, B, M) ? "" : "not ")
		<< "collinear.\n";

	//Borderline case: M is on on the perimeter.

	cout << "Triangle ABC "
		<< (contains(A, B, C, M) ? "contains" : "does not contain")
		<< " M.\n";

	return EXIT_SUCCESS;
}