mal-math
C++20 mathematics library.
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rmatnxn.hpp
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1#pragma once
2#include "mat.hpp"
3#pragma warning(push)
4#pragma warning(disable : 4201)
34namespace mal_math {
35
44 template <size_t a, size_t b, Primitive T>
45 struct rmat {
46 using type = T;
47
48 static constexpr ivec2 size{ a, b };
49
51 constexpr rmat() {}
52
61 template <size_t c, size_t d, Primitive P>
62 constexpr rmat(mat<c, d, P>& p) requires(c >= a && d >= b);
63
72 template <size_t c, size_t d, Primitive P>
73 constexpr rmat(rmat<c, d, P>& p) requires(c >= a && d >= b);
74
76 template <typename U>
77 constexpr rmat<a, b, T>& operator=(mat<a, b, U> const& mat);
78
80 template <typename U>
81 constexpr rmat<a, b, T>& operator=(rmat<a, b, U> const& mat);
82
84 constexpr void reset() noexcept;
85
87 [[nodiscard]] constexpr _detail::rvec<b, T>& operator[](size_t i);
88
90 [[nodiscard]] constexpr _detail::rvec<b, T> const& operator[](size_t i) const;
91
93 [[nodiscard]] constexpr rmat<a, b, T> const& operator+() const noexcept;
94
96 [[nodiscard]] constexpr mat<a, b, T> operator-() const noexcept;
97
99 template <Primitive U>
100 constexpr rmat<a, b, T>& operator+=(rmat<a, b, U> const& other);
101
103 template <Primitive U>
104 constexpr rmat<a, b, T>& operator-=(rmat<a, b, U> const& other);
105
107 template <size_t c, Primitive U>
108 constexpr rmat<a, c, T>& operator*=(rmat<b, c, U> const& other);
109
111 template <Primitive U>
112 constexpr rmat<a, b, T>& operator+=(mat<a, b, U> const& other);
113
115 template <Primitive U>
116 constexpr rmat<a, b, T>& operator-=(mat<a, b, U> const& other);
117
119 template <size_t c, Primitive U>
120 constexpr rmat<a, c, T>& operator*=(mat<b, c, U> const& other);
121
123 template <Primitive U>
124 constexpr rmat<a, b, T>& operator+=(U const value);
125
127 template <Primitive U>
128 constexpr rmat<a, b, T>& operator-=(U const value);
129
131 template <Primitive U>
132 constexpr rmat<a, b, T>& operator*=(U const value);
133
135 union {
136 std::array<_detail::primitive_reference_wrapper<T>, size.x * size.y> arr;
137 std::array<_detail::rvec<size.y, T>, size.x> data;
138 };
139
140 static_assert(sizeof(arr) == sizeof(data));
141 };
142
143} // namespace mal_math
144
145#pragma warning(pop)
146#include "rmatnxn.inl"
mal_math::Primitive
Concept that ensures a type is either floating point or integral.
Definition math-common.hpp:54
mat.hpp
Provides matrix definitions tailored for various sizes and primitive types.
mal_math
Contains mathematical utility functions and classes.
mal_math::_detail::rvec
Internal detail definition of a reference vector with fixed size L and type T
Definition math-common.hpp:64
mal_math::mat
Definition of matrix with dimensions rows x columns and type T
Definition matnxn.hpp:39
mal_math::rmat
Definition of a reference matrix with dimensions rows x columns and type T
Definition rmatnxn.hpp:45
mal_math::rmat::reset
constexpr void reset() noexcept
Resets all elements to zero.
Definition rmatnxn.inl:54
mal_math::rmat::arr
std::array< _detail::primitive_reference_wrapper< T >, size.x *size.y > arr
Linear representation of the matrix.
Definition rmatnxn.hpp:136
mal_math::rmat::size
static constexpr ivec2 size
Defines the size of the matrix.
Definition rmatnxn.hpp:48
mal_math::rmat::data
std::array< _detail::rvec< size.y, T >, size.x > data
2D representation of the matrix.
Definition rmatnxn.hpp:137
mal_math::rmat::rmat
constexpr rmat()
Default constructor.
Definition rmatnxn.hpp:51
mal_math::rmat::operator=
constexpr rmat< a, b, T > & operator=(mat< a, b, U > const &mat)
Assigns values from a matrix of the same size.
Definition rmatnxn.inl:33
mal_math::rmat::type
T type
Alias for the data type of the matrix elements.
Definition rmatnxn.hpp:46
mal_math::vec
Definition of the mathematical vector with fixed size L and type T
Definition vecn.hpp:22