#include "Fraction.h"

namespace ecci
{

/*ecci::*/Fraction::Fraction(integer numerator, integer denominator)
	: numerator(numerator) // esto SI es inicializacion en C++
	, denominator{denominator ? denominator : 1}
{
	//numerator = 0; // Esto NO es inicializacion
	//denominator = 1; // es asignacion
	this->simplify();
}

void /*ecci::*/Fraction::print() const
{
	std::cout << this->getNumerator() << '/' << this->denominator;
}

void Fraction::simplify()
{
	integer gcd = Fraction::gcd(this->numerator, this->denominator);
	this->numerator /= gcd;
	this->denominator /= gcd;

	if ( this->denominator < 0 )
	{
		this->numerator *= -1;
		this->denominator *= -1;
	}
}

integer Fraction::gcd(integer a, integer b)
{
	a = a >= 0 ? a : -a;
	b = b >= 0 ? b : -b;

	while ( b > 0 )
	{
		integer t = b;
		b = a % b;
		a = t;
	}
	return a;
}

Fraction Fraction::add(Fraction other) const
{
	Fraction result;
	result.numerator = this->numerator * other.denominator + 
		this->denominator * other.numerator;
	result.denominator = this->denominator * other.denominator;
	result.simplify();
	return result;
}

/*
Fraction Fraction::operator+(Fraction other) const
{
	return Fraction( this->numerator * other.denominator + this->denominator * other.numerator
		, this->denominator * other.denominator );
}
*/

} // namespace ecci