137 lines
4.9 KiB
C++
137 lines
4.9 KiB
C++
/**
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This file is a part of the rexy/r0nk/atlas project
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Copyright (C) 2020 rexy712
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef REXY_MAT_HPP
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#define REXY_MAT_HPP
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#include <cstdlib> //size_t
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#include <utility> //integer_sequence
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#include <type_traits> //decay_t, is_same, integral_constant
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#include "detail/math.hpp"
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#include "detail/matrix.hpp"
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namespace math{
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template<typename T, size_t C, size_t R>
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class matrix : public detail::matrix_base<T,C,R>
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{
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private:
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using base = detail::matrix_base<T,C,R>;
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public:
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using value_type = typename base::value_type;
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using size_type = typename base::size_type;
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using pointer = typename base::pointer;
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using const_pointer = typename base::const_pointer;
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using reference = typename base::reference;
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using const_reference = typename base::const_reference;
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public:
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using detail::matrix_base<T,C,R>::matrix_base;
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using detail::matrix_base<T,C,R>::operator=;
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};
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template<typename T>
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class matrix<T,3,3> : public detail::matrix_base<T,3,3>
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{
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private:
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using base = detail::matrix_base<T,3,3>;
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public:
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using value_type = typename base::value_type;
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using size_type = typename base::size_type;
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using pointer = typename base::pointer;
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using const_pointer = typename base::const_pointer;
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using reference = typename base::reference;
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using const_reference = typename base::const_reference;
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public:
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using detail::matrix_base<T,3,3>::matrix_base;
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using detail::matrix_base<T,3,3>::operator=;
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static matrix rotation(value_type angle);
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static constexpr matrix rotation(value_type sin, value_type cos);
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static constexpr matrix rotation(value_type angle_x, value_type angle_y, value_type angle_z);
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};
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namespace detail{
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template<typename T>
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struct is_matrix_helper {
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template<typename U, size_t W, size_t H>
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static std::true_type test(matrix<U,W,H>*);
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static std::false_type test(void*);
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static constexpr bool value = std::is_same<std::true_type,decltype(test(static_cast<std::decay_t<T>*>(nullptr)))>::value;
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};
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}
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template<typename... Ms>
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struct is_matrix {
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static constexpr bool value = (detail::is_matrix_helper<Ms>::value && ...);
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};
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namespace detail{
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template<typename M1, typename M2>
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struct are_same_size_matrix {
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using l = std::decay_t<M1>;
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using r = std::decay_t<M2>;
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static constexpr bool value = is_matrix<M1,M2>::value && l::Columns == r::Columns && l::Rows == r::Rows;
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};
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template<typename... Ms>
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using enable_if_matrix = std::enable_if_t<is_matrix<Ms...>::value,int>;
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template<typename M1, typename M2>
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using enable_if_eq_matrix = std::enable_if_t<are_same_size_matrix<M1,M2>::value,int>;
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template<typename T, typename U, size_t W, size_t H>
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constexpr bool operator==(const matrix<T,W,H>& left, const matrix<U,W,H> right);
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template<typename T, typename U, size_t W, size_t H>
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constexpr bool operator!=(const matrix<T,W,H>& left, const matrix<U,W,H> right);
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template<typename T, typename U, size_t R1, size_t C1, size_t C2>
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constexpr auto operator*(const matrix<T,C1,R1>& left, const matrix<U,C2,C1>& right);
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template<typename T, typename U, size_t C, size_t R>
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constexpr auto operator*(const matrix<T,C,R>& left, U&& right);
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template<typename T, typename U, size_t C, size_t R>
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constexpr auto operator/(const matrix<T,C,R>& left, U&& right);
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template<typename T, typename U, size_t C, size_t R>
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constexpr auto operator+(const matrix<T,C,R>& left, const matrix<U,C,R>& right);
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template<typename T, typename U, size_t C, size_t R>
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constexpr auto operator-(const matrix<T,C,R>& left, const matrix<U,C,R>& right);
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template<typename T, typename U, size_t C, size_t R>
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constexpr auto operator-(const matrix<T,C,R>& left);
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template<typename T, typename U, size_t R1, size_t C1, size_t C2>
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constexpr decltype(auto) operator*=(matrix<T,C1,R1>& left, const matrix<U,C2,C1>& right);
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template<typename T, typename U, size_t C, size_t R>
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constexpr decltype(auto) operator*=(matrix<T,C,R>& left, U&& right);
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template<typename T, typename U, size_t C, size_t R>
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constexpr decltype(auto) operator/=(matrix<T,C,R>& left, U&& right);
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template<typename T, typename U, size_t C, size_t R>
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constexpr decltype(auto) operator+=(matrix<T,C,R>& left, const matrix<U,C,R>& right);
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template<typename T, typename U, size_t C, size_t R>
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constexpr decltype(auto) operator-=(matrix<T,C,R>& left, const matrix<U,C,R>& right);
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}
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}
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#include "mat.tpp"
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#endif
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