///////////////////////////////////////////////////////////////////////////////////
/// OpenGL Mathematics (glm.g-truc.net)
///
/// Copyright (c) 2005 - 2015 G-Truc Creation (www.g-truc.net)
/// Permission is hereby granted, free of charge, to any person obtaining a copy
/// of this software and associated documentation files (the "Software"), to deal
/// in the Software without restriction, including without limitation the rights
/// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
/// copies of the Software, and to permit persons to whom the Software is
/// furnished to do so, subject to the following conditions:
///
/// The above copyright notice and this permission notice shall be included in
/// all copies or substantial portions of the Software.
///
/// Restrictions:
///		By making use of the Software for military purposes, you choose to make
///		a Bunny unhappy.
///
/// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
/// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
/// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
/// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
/// THE SOFTWARE.
///
/// @ref core
/// @file glm/detail/type_mat2x2.hpp
/// @date 2005-01-27 / 2011-06-15
/// @author Christophe Riccio
///////////////////////////////////////////////////////////////////////////////////

#pragma once

#include "../fwd.hpp"
#include "type_vec2.hpp"
#include "type_mat.hpp"
#include <limits>
#include <cstddef>

namespace glm
{
	template <typename T, precision P = defaultp>
	struct tmat2x2
	{
		typedef tvec2<T, P> col_type;
		typedef tvec2<T, P> row_type;
		typedef tmat2x2<T, P> type;
		typedef tmat2x2<T, P> transpose_type;
		typedef T value_type;

		template <typename U, precision Q>
		friend tvec2<U, Q> operator/(tmat2x2<U, Q> const & m, tvec2<U, Q> const & v);
		template <typename U, precision Q>
		friend tvec2<U, Q> operator/(tvec2<U, Q> const & v, tmat2x2<U, Q> const & m);

#		ifdef GLM_META_PROG_HELPERS
			static GLM_RELAXED_CONSTEXPR length_t components = 2;
			static GLM_RELAXED_CONSTEXPR length_t cols = 2;
			static GLM_RELAXED_CONSTEXPR length_t rows = 2;
			static GLM_RELAXED_CONSTEXPR precision prec = P;
#		endif//GLM_META_PROG_HELPERS

	private:
		col_type value[2];

	public:
		// -- Constructors --

		GLM_FUNC_DECL tmat2x2() GLM_DEFAULT_CTOR;
		GLM_FUNC_DECL tmat2x2(tmat2x2<T, P> const & m) GLM_DEFAULT;
		template <precision Q>
		GLM_FUNC_DECL tmat2x2(tmat2x2<T, Q> const & m);

		GLM_FUNC_DECL explicit tmat2x2(ctor);
		GLM_FUNC_DECL explicit tmat2x2(T const & x);
		GLM_FUNC_DECL tmat2x2(
			T const & x1, T const & y1,
			T const & x2, T const & y2);
		GLM_FUNC_DECL tmat2x2(
			col_type const & v1,
			col_type const & v2);

		// -- Conversions --

		template <typename U, typename V, typename M, typename N>
		GLM_FUNC_DECL tmat2x2(
			U const & x1, V const & y1,
			M const & x2, N const & y2);

		template <typename U, typename V>
		GLM_FUNC_DECL tmat2x2(
			tvec2<U, P> const & v1,
			tvec2<V, P> const & v2);

		// -- Matrix conversions --

		template <typename U, precision Q>
		GLM_FUNC_DECL GLM_EXPLICIT tmat2x2(tmat2x2<U, Q> const & m);

		GLM_FUNC_DECL explicit tmat2x2(tmat3x3<T, P> const & x);
		GLM_FUNC_DECL explicit tmat2x2(tmat4x4<T, P> const & x);
		GLM_FUNC_DECL explicit tmat2x2(tmat2x3<T, P> const & x);
		GLM_FUNC_DECL explicit tmat2x2(tmat3x2<T, P> const & x);
		GLM_FUNC_DECL explicit tmat2x2(tmat2x4<T, P> const & x);
		GLM_FUNC_DECL explicit tmat2x2(tmat4x2<T, P> const & x);
		GLM_FUNC_DECL explicit tmat2x2(tmat3x4<T, P> const & x);
		GLM_FUNC_DECL explicit tmat2x2(tmat4x3<T, P> const & x);

		// -- Accesses --

#		ifdef GLM_FORCE_SIZE_FUNC
			typedef size_t size_type;
			GLM_FUNC_DECL GLM_CONSTEXPR size_t size() const;

			GLM_FUNC_DECL col_type & operator[](size_type i);
			GLM_FUNC_DECL col_type const & operator[](size_type i) const;
#		else
			typedef length_t length_type;
			GLM_FUNC_DECL GLM_CONSTEXPR length_type length() const;

			GLM_FUNC_DECL col_type & operator[](length_type i);
			GLM_FUNC_DECL col_type const & operator[](length_type i) const;
#		endif//GLM_FORCE_SIZE_FUNC

		// -- Unary arithmetic operators --

		GLM_FUNC_DECL tmat2x2<T, P> & operator=(tmat2x2<T, P> const & v) GLM_DEFAULT;

		template <typename U>
		GLM_FUNC_DECL tmat2x2<T, P> & operator=(tmat2x2<U, P> const & m);
		template <typename U>
		GLM_FUNC_DECL tmat2x2<T, P> & operator+=(U s);
		template <typename U>
		GLM_FUNC_DECL tmat2x2<T, P> & operator+=(tmat2x2<U, P> const & m);
		template <typename U>
		GLM_FUNC_DECL tmat2x2<T, P> & operator-=(U s);
		template <typename U>
		GLM_FUNC_DECL tmat2x2<T, P> & operator-=(tmat2x2<U, P> const & m);
		template <typename U>
		GLM_FUNC_DECL tmat2x2<T, P> & operator*=(U s);
		template <typename U>
		GLM_FUNC_DECL tmat2x2<T, P> & operator*=(tmat2x2<U, P> const & m);
		template <typename U>
		GLM_FUNC_DECL tmat2x2<T, P> & operator/=(U s);
		template <typename U>
		GLM_FUNC_DECL tmat2x2<T, P> & operator/=(tmat2x2<U, P> const & m);

		// -- Increment and decrement operators --

		GLM_FUNC_DECL tmat2x2<T, P> & operator++ ();
		GLM_FUNC_DECL tmat2x2<T, P> & operator-- ();
		GLM_FUNC_DECL tmat2x2<T, P> operator++(int);
		GLM_FUNC_DECL tmat2x2<T, P> operator--(int);
	};

	// -- Unary operators --

	template <typename T, precision P>
	GLM_FUNC_DECL tmat2x2<T, P> operator+(tmat2x2<T, P> const & m);

	template <typename T, precision P>
	GLM_FUNC_DECL tmat2x2<T, P> operator-(tmat2x2<T, P> const & m);

	// -- Binary operators --

	template <typename T, precision P>
	GLM_FUNC_DECL tmat2x2<T, P> operator+(tmat2x2<T, P> const & m, T const & s);

	template <typename T, precision P>
	GLM_FUNC_DECL tmat2x2<T, P> operator+(T const & s, tmat2x2<T, P> const & m);

	template <typename T, precision P>
	GLM_FUNC_DECL tmat2x2<T, P> operator+(tmat2x2<T, P> const & m1,	tmat2x2<T, P> const & m2);

	template <typename T, precision P>
	GLM_FUNC_DECL tmat2x2<T, P> operator-(tmat2x2<T, P> const & m, T const & s);

	template <typename T, precision P>
	GLM_FUNC_DECL tmat2x2<T, P> operator-(T const & s, tmat2x2<T, P> const & m);

	template <typename T, precision P>
	GLM_FUNC_DECL tmat2x2<T, P> operator-(tmat2x2<T, P> const & m1,	tmat2x2<T, P> const & m2);

	template <typename T, precision P>
	GLM_FUNC_DECL tmat2x2<T, P> operator*(tmat2x2<T, P> const & m, T const & s);

	template <typename T, precision P>
	GLM_FUNC_DECL tmat2x2<T, P> operator*(T const & s, tmat2x2<T, P> const & m);

	template <typename T, precision P>
	GLM_FUNC_DECL typename tmat2x2<T, P>::col_type operator*(tmat2x2<T, P> const & m, typename tmat2x2<T, P>::row_type const & v);

	template <typename T, precision P>
	GLM_FUNC_DECL typename tmat2x2<T, P>::row_type operator*(typename tmat2x2<T, P>::col_type const & v, tmat2x2<T, P> const & m);

	template <typename T, precision P>
	GLM_FUNC_DECL tmat2x2<T, P> operator*(tmat2x2<T, P> const & m1,	tmat2x2<T, P> const & m2);

	template <typename T, precision P>
	GLM_FUNC_DECL tmat3x2<T, P> operator*(tmat2x2<T, P> const & m1, tmat3x2<T, P> const & m2);

	template <typename T, precision P>
	GLM_FUNC_DECL tmat4x2<T, P> operator*(tmat2x2<T, P> const & m1, tmat4x2<T, P> const & m2);

	template <typename T, precision P>
	GLM_FUNC_DECL tmat2x2<T, P> operator/(tmat2x2<T, P> const & m, T const & s);

	template <typename T, precision P>
	GLM_FUNC_DECL tmat2x2<T, P> operator/(T const & s, tmat2x2<T, P> const & m);

	template <typename T, precision P>
	GLM_FUNC_DECL typename tmat2x2<T, P>::col_type operator/(tmat2x2<T, P> const & m, typename tmat2x2<T, P>::row_type const & v);

	template <typename T, precision P>
	GLM_FUNC_DECL typename tmat2x2<T, P>::row_type operator/(typename tmat2x2<T, P>::col_type const & v, tmat2x2<T, P> const & m);

	template <typename T, precision P>
	GLM_FUNC_DECL tmat2x2<T, P> operator/(tmat2x2<T, P> const & m1, tmat2x2<T, P> const & m2);

	// -- Boolean operators --

	template <typename T, precision P>
	GLM_FUNC_DECL bool operator==(tmat2x2<T, P> const & m1, tmat2x2<T, P> const & m2);

	template <typename T, precision P>
	GLM_FUNC_DECL bool operator!=(tmat2x2<T, P> const & m1, tmat2x2<T, P> const & m2);
} //namespace glm

#ifndef GLM_EXTERNAL_TEMPLATE
#include "type_mat2x2.inl"
#endif
