45 lines
1.0 KiB
C++
45 lines
1.0 KiB
C++
#pragma once
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#include <cmath>
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#include <cstddef>
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#include <string>
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#include <vector>
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class Matrix {
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public:
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typedef long double Element;
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private:
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std::size_t m_Raws;
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std::size_t m_Columns;
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std::vector<Element> m_Data;
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public:
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Matrix() : m_Raws(0), m_Columns(0) {}
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Matrix(std::size_t raws, std::size_t columns);
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Matrix(std::size_t raws, std::size_t columns, std::initializer_list<Element>&& initList);
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~Matrix();
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std::size_t GetRawCount() const;
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std::size_t GetColumnCount() const;
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void Transpose();
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static Matrix Identity(std::size_t size);
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void Augment(const Matrix& right);
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Matrix SubMatrix(std::size_t raw_origin, std::size_t column_origin, std::size_t raw, std::size_t column) const;
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bool operator==(const Matrix& other) const;
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Matrix operator*(const Matrix& other) const;
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Element& operator[](std::size_t index);
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Element& at(std::size_t raw, std::size_t column);
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Element at(std::size_t raw, std::size_t column) const;
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};
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template <typename T>
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bool IsEqualZero(T var) {
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return std::abs(var) < std::pow(10, -5);
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} |