/*
	This file is part of Fennix Kernel.

	Fennix Kernel 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.

	Fennix Kernel 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 Fennix Kernel. If not, see <https://www.gnu.org/licenses/>.
*/

#pragma once

#include <types.h>

namespace std
{
	template <intmax_t Num, intmax_t Denom = 1>
	class ratio
	{
	public:
		typedef ratio<Num, Denom> type;
		static constexpr intmax_t num = Num;
		static constexpr intmax_t denom = Denom;
	};

	template <class R1, class R2>
	using ratio_add = ratio<R1::num * R2::denom + R2::num * R1::denom, R1::denom * R2::denom>;
	template <class R1, class R2>
	using ratio_subtract = ratio<R1::num * R2::denom - R2::num * R1::denom, R1::denom * R2::denom>;
	template <class R1, class R2>
	using ratio_multiply = ratio<R1::num * R2::num, R1::denom * R2::denom>;
	template <class R1, class R2>
	using ratio_divide = ratio<R1::num * R2::denom, R1::denom * R2::num>;

	template <class R1, class R2>
	struct ratio_equal;
	template <class R1, class R2>
	struct ratio_not_equal;
	template <class R1, class R2>
	struct ratio_less;
	template <class R1, class R2>
	struct ratio_less_equal;
	template <class R1, class R2>
	struct ratio_greater;
	template <class R1, class R2>
	struct ratio_greater_equal;

	// typedef ratio<1, 1000000000000000000000000000000> quecto;
	// typedef ratio<1, 1000000000000000000000000000> ronto;
	// typedef ratio<1, 1000000000000000000000000> yocto;
	// typedef ratio<1, 1000000000000000000000> zepto;
	typedef ratio<1, 1000000000000000000> atto;
	typedef ratio<1, 1000000000000000> femto;
	typedef ratio<1, 1000000000000> pico;
	typedef ratio<1, 1000000000> nano;
	typedef ratio<1, 1000000> micro;
	typedef ratio<1, 1000> milli;
	typedef ratio<1, 100> centi;
	typedef ratio<1, 10> deci;
	typedef ratio<10, 1> deca;
	typedef ratio<100, 1> hecto;
	typedef ratio<1000, 1> kilo;
	typedef ratio<1000000, 1> mega;
	typedef ratio<1000000000, 1> giga;
	typedef ratio<1000000000000, 1> tera;
	typedef ratio<1000000000000000, 1> peta;
	typedef ratio<1000000000000000000, 1> exa;
	// typedef ratio<1000000000000000000000, 1> zetta;
	// typedef ratio<1000000000000000000000000, 1> yotta;
	// typedef ratio<1000000000000000000000000000, 1> ronna;
	// typedef ratio<1000000000000000000000000000000, 1> quetta;
}