78 lines
1.9 KiB
C++
78 lines
1.9 KiB
C++
/// Josh's 3D Math Library
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/// A C++20 Library for 3D Math, Computer Graphics, and Scientific Computing.
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/// Developed and Maintained by Josh O'Leary @ Redacted Software.
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/// Special Thanks to William Tomasine II and Maxine Hayes.
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/// (c) 2024 Redacted Software
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/// This work is dedicated to the public domain.
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/// @file Matrix.hpp
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/// @desc Templated implementation of arbitrary-sized N-by-M matrices.
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/// @edit 2024-08-01
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/// @note On backlog, low-priority.
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#pragma once
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#include <cstddef>
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#include <cstdlib>
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#include <algorithm>
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#include "Vector.hpp"
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namespace J3ML::LinearAlgebra
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{
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template <uint ROWS, uint COLS, typename T>
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class Matrix
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{
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static constexpr uint Diag = std::min(ROWS, COLS);
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using RowVector = Vector<ROWS, T>;
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using ColVector = Vector<COLS, T>;
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using DiagVector = Vector<Diag, T>;
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enum { Rows = ROWS };
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enum { Cols = COLS };
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void AssertRowSize(uint rows)
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{
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assert(rows < Rows && "");
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}
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void AssertColumnSize(uint cols)
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{
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assert(cols < Cols && "");
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}
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RowVector GetRow(uint index) const;
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ColVector GetColumn(uint index) const;
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void SetRow(uint index, RowVector);
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void SetColumn(uint index, ColVector);
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RowVector &Row(uint index) const;
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ColVector &Column(uint index) const;
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const T At(uint row, uint col) const
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{
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AssertRowSize(row);
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AssertColumnSize(col);
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return elems[row][col];
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}
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T &At(uint row, uint col)
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{
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AssertRowSize(row);
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AssertColumnSize(col);
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return elems[row][col];
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}
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float* ptr();
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const float* ptr() const;
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float operator[](uint index) const;
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float& operator[](uint index);
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private:
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T elems[ROWS][COLS];
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};
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} |