our_dick/include/mat.hpp

137 lines
4.9 KiB
C++

/**
This file is a part of the rexy/r0nk/atlas project
Copyright (C) 2020 rexy712
This program 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.
This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef REXY_MAT_HPP
#define REXY_MAT_HPP
#include <cstdlib> //size_t
#include <utility> //integer_sequence
#include <type_traits> //decay_t, is_same, integral_constant
#include "detail/math.hpp"
#include "detail/matrix.hpp"
namespace math{
template<typename T, size_t C, size_t R>
class matrix : public detail::matrix_base<T,C,R>
{
private:
using base = detail::matrix_base<T,C,R>;
public:
using value_type = typename base::value_type;
using size_type = typename base::size_type;
using pointer = typename base::pointer;
using const_pointer = typename base::const_pointer;
using reference = typename base::reference;
using const_reference = typename base::const_reference;
public:
using detail::matrix_base<T,C,R>::matrix_base;
using detail::matrix_base<T,C,R>::operator=;
};
template<typename T>
class matrix<T,3,3> : public detail::matrix_base<T,3,3>
{
private:
using base = detail::matrix_base<T,3,3>;
public:
using value_type = typename base::value_type;
using size_type = typename base::size_type;
using pointer = typename base::pointer;
using const_pointer = typename base::const_pointer;
using reference = typename base::reference;
using const_reference = typename base::const_reference;
public:
using detail::matrix_base<T,3,3>::matrix_base;
using detail::matrix_base<T,3,3>::operator=;
static matrix rotation(value_type angle);
static constexpr matrix rotation(value_type sin, value_type cos);
static constexpr matrix rotation(value_type angle_x, value_type angle_y, value_type angle_z);
};
namespace detail{
template<typename T>
struct is_matrix_helper {
template<typename U, size_t W, size_t H>
static std::true_type test(matrix<U,W,H>*);
static std::false_type test(void*);
static constexpr bool value = std::is_same<std::true_type,decltype(test(static_cast<std::decay_t<T>*>(nullptr)))>::value;
};
}
template<typename... Ms>
struct is_matrix {
static constexpr bool value = (detail::is_matrix_helper<Ms>::value && ...);
};
namespace detail{
template<typename M1, typename M2>
struct are_same_size_matrix {
using l = std::decay_t<M1>;
using r = std::decay_t<M2>;
static constexpr bool value = is_matrix<M1,M2>::value && l::Columns == r::Columns && l::Rows == r::Rows;
};
template<typename... Ms>
using enable_if_matrix = std::enable_if_t<is_matrix<Ms...>::value,int>;
template<typename M1, typename M2>
using enable_if_eq_matrix = std::enable_if_t<are_same_size_matrix<M1,M2>::value,int>;
template<typename T, typename U, size_t W, size_t H>
constexpr bool operator==(const matrix<T,W,H>& left, const matrix<U,W,H> right);
template<typename T, typename U, size_t W, size_t H>
constexpr bool operator!=(const matrix<T,W,H>& left, const matrix<U,W,H> right);
template<typename T, typename U, size_t R1, size_t C1, size_t C2>
constexpr auto operator*(const matrix<T,C1,R1>& left, const matrix<U,C2,C1>& right);
template<typename T, typename U, size_t C, size_t R>
constexpr auto operator*(const matrix<T,C,R>& left, U&& right);
template<typename T, typename U, size_t C, size_t R>
constexpr auto operator/(const matrix<T,C,R>& left, U&& right);
template<typename T, typename U, size_t C, size_t R>
constexpr auto operator+(const matrix<T,C,R>& left, const matrix<U,C,R>& right);
template<typename T, typename U, size_t C, size_t R>
constexpr auto operator-(const matrix<T,C,R>& left, const matrix<U,C,R>& right);
template<typename T, typename U, size_t C, size_t R>
constexpr auto operator-(const matrix<T,C,R>& left);
template<typename T, typename U, size_t R1, size_t C1, size_t C2>
constexpr decltype(auto) operator*=(matrix<T,C1,R1>& left, const matrix<U,C2,C1>& right);
template<typename T, typename U, size_t C, size_t R>
constexpr decltype(auto) operator*=(matrix<T,C,R>& left, U&& right);
template<typename T, typename U, size_t C, size_t R>
constexpr decltype(auto) operator/=(matrix<T,C,R>& left, U&& right);
template<typename T, typename U, size_t C, size_t R>
constexpr decltype(auto) operator+=(matrix<T,C,R>& left, const matrix<U,C,R>& right);
template<typename T, typename U, size_t C, size_t R>
constexpr decltype(auto) operator-=(matrix<T,C,R>& left, const matrix<U,C,R>& right);
}
}
#include "mat.tpp"
#endif