#ifndef Fraction_h
#define Fraction_h

#include <iostream>
//#include <cstdlib>

/*
namespace ecci
{
*/

class Fraction
{
  private:
	long long numerator = 0;
	long long denominator = 1;

  public:
	/// Default constructor, conversion constructor
	Fraction(long long numerator = 0, long long denominator = 1)
	    : numerator(numerator)
	    , denominator(denominator)
	{
		simplify();
	}

	bool read();

	void print() const
	{
		std::cout << numerator << '/' << denominator;
	}

	bool simplify();

	long long gcd()
	{
		return gcd(numerator, denominator);
	}

	// greatest common divisor
	static long long gcd(long long a, long long b);

	       Fraction       add(const Fraction& other) const;
	inline Fraction operator+(const Fraction& other) const { return add(other); }

	Fraction operator*(const Fraction& other) const;
	friend std::ostream& operator<<(std::ostream& out, const Fraction& fraction)
	{
		return out << fraction.numerator << '/' << fraction.denominator;
	}
};
/*
std::ostream& operator<<(std::ostream& out, const Fraction& fraction)
{
	return out << fraction.numerator << '/' << fraction.denominator;
}
*/

#endif // Fraction_h