lab.cpp/ex5/Duree.cpp

/* [x] Constructeur
=========================================================*/
void Duree::fix(){
	int stack(0);

	// Gestion du debordement de secondes
	stack = _s;
	if( stack >= 60 ){
		_s  = stack % 60;
		_m += stack / 60;
	}
	
	// Gestion du debordement de minutes
	stack = _m;
	if( stack >= 60 ){
		_m  = stack % 60;
		_h += stack / 60;
	}
}

Duree::Duree(int h, int m, int s) : _h(h), _m(m), _s(s){
	this->fix();
}

Duree::Duree(const Duree& d) : _h(d._h), _m(d._m), _s(d._s){
	this->fix();
}

/* [0] Affichage
=========================================================*/
ostream& operator<<(ostream& o, const Duree& d){
	o << "[" << d._h << ":" << d._m << "," << d._s << "]";

	return o;
}



/* [1] Egalite
=========================================================*/
bool Duree::operator==(const Duree& x){
	return _h == x._h && _m == x._m && _s == x._s;
}



/* [2] Addition
=========================================================*/
void Duree::operator+=(const Duree& d){
	_h += d._h;
	_m += d._m;
	_s += d._s;

	this->fix();
}

Duree operator+(Duree& l, Duree& r){
	Duree tmp(l);
	tmp += r;
	return tmp;
}



/* [3] Multiplication
=========================================================*/
void Duree::operator*=(const int d){
	_h *= d;
	_m *= d;
	_s *= d;

	this->fix();
}

Duree operator*(int l, Duree& r){
	Duree tmp(r);
	tmp *= l;
	return tmp;
}

Duree operator*(Duree& l, int r){
	Duree tmp(l);
	tmp *= r;
	return tmp;
}