/*
 * Copyright (C) 2021  Christopher J. Howard
 *
 * This file is part of Antkeeper source code.
 *
 * Antkeeper source code is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * Antkeeper source code is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Antkeeper source code.  If not, see <http://www.gnu.org/licenses/>.
 */

#ifndef ANTKEEPER_MATH_STREAM_OPERATORS_HPP
#define ANTKEEPER_MATH_STREAM_OPERATORS_HPP

#include "math/quaternion-type.hpp"
#include <istream>
#include <ostream>

/**
 * Writes the real and imaginary parts of a quaternion to an output stream, with each number delimeted by a space.
 *
 * @param os Output stream.
 * @param q Quaternion.
 * @return Output stream.
 */
template <class T>
std::ostream& operator<<(std::ostream& os, const math::quaternion<T>& q);

/**
 * Reads the real and imaginary parts of a quaternion from an input stream, with each number delimeted by a space.
 *
 * @param is Input stream.
 * @param q Quaternion.
 * @return Input stream.
 */
template <class T>
std::istream& operator>>(std::istream& is, const math::quaternion<T>& q);

template <class T>
std::ostream& operator<<(std::ostream& os, const math::quaternion<T>& q)
{
	os << q.w << ' ' << q.x() << ' ' << q.y() << ' ' << q.z();
	return os;
}

template <class T>
std::istream& operator>>(std::istream& is, const math::quaternion<T>& q)
{
	is >> q.w;
	is >> q.x;
	is >> q.y;
	is >> q.z;
	
	return is;
}

#endif // ANTKEEPER_MATH_STREAM_OPERATORS_HPP