TRIANGLE.CPP

#include "TRIANGLE.H"
#include <iostream>
#include <cmath>

Triangle::Triangle() : side_a(0), side_b(0), side_c(0) {
}

Triangle::Triangle(size_t i, size_t j, size_t k) : side_a(i), side_b(j), side_c(k) {
	//std::cout << "Triangle created: " << side_a << ", " << side_b << ", " << side_c << std::endl;
}

Triangle::Triangle(const Triangle& orig) {
	//std::cout << "Triangle copy created" << std::endl;
	side_a = orig.side_a;
	side_b = orig.side_b;
	side_c = orig.side_c;
}

Triangle::Triangle(std::istream &is) {
	is >> side_a;
	is >> side_b;
	is >> side_c;
}

double Triangle::Square() {
	double p = double(side_a + side_b + side_c) / 2.0;
	return sqrt(p * (p - double(side_a))*(p - double(side_b))*(p - double(side_c)));
}

void Triangle::Print() {
	std::cout << "Ňđĺóăîëüíčę:" << std::endl;
	std::cout << "a=" << side_a << ", b=" << side_b << ", c=" << side_c << std::endl;
}

Triangle::~Triangle() {
	//std::cout << "Triangle deleted" << std::endl;
}


Triangle& Triangle::operator=(const Triangle& right) {
	if (this == &right) return *this;
	//std::cout << "Triangle copied" << std::endl;
	side_a = right.side_a;
	side_b = right.side_b;
	side_c = right.side_c;
	return *this;
}

/*
Triangle& Triangle::operator++() {
	side_a++;
	side_b++;
	side_c++;
	return *this;
}

Triangle operator+(const Triangle& left, const Triangle& right) {
	return Triangle(left.side_a + right.side_a, left.side_b + right.side_b, left.side_c + right.side_c);
}

*/

std::ostream& operator<<(std::ostream& os, const Triangle& obj) {
	os << "a=" << obj.side_a << ", b=" << obj.side_b << ", c=" << obj.side_c;
	return os;
}

std::istream& operator>>(std::istream& is, Triangle& obj) {
	is >> obj.side_a;
	is >> obj.side_b;
	is >> obj.side_c;
	return is;
}

bool Triangle::operator==(const Triangle& obj) const {
	return ((side_a == obj.side_a) && (side_b == obj.side_b) && (side_c == obj.side_c));
}