Program Listing for File Matrix.hpp

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#ifndef LOULIB_MATRIX_HPP
#define LOULIB_MATRIX_HPP

#include <vector>
#include "Vector.hpp"
#include <stdexcept>

namespace LouLib {
    namespace Math {

        class Matrix {
        private:
            class MatrixRow{
            private:
                std::vector<double> data;

            public:
                explicit MatrixRow(int n);

                MatrixRow(std::initializer_list<double> rowData);

                explicit MatrixRow(std::vector<double> rowData);

                MatrixRow(const MatrixRow& other);

                double& operator[](int i);

                const double& operator[](int i) const;

                int size() const;

                 Vector getVector();
            };

            std::vector<MatrixRow> data;

        public:
            Matrix(int rows, int cols);

            Matrix(std::initializer_list<std::initializer_list<double>> matrixData);

            Matrix(std::vector<std::vector<double>> matrixData);

            Matrix(std::vector<MatrixRow> matrixData);

            Matrix(const Matrix& other);

            MatrixRow& operator[](int i);

            const MatrixRow& operator[](int i) const;

            Vector getCol(int i);

             Vector getRow(int i);

            int rows() const;

            int cols() const;

            Matrix transpose();

            double norm();

            double det();

            Matrix minor(int i, int j);

            double cofactor(int i, int j);

            Matrix inverse();

            std::string toString();

        };

        Matrix operator+(const Matrix& a, const Matrix& b);

        Matrix operator-(const Matrix& a, const Matrix& b);

        Matrix operator*(const Matrix& a, const Matrix& b);

        Matrix operator*(const Matrix& a, const double& b);

        Matrix operator*(const double& a, const Matrix& b);

        Vector operator*(const Matrix& a, const Vector& b);

    } // LouLib
} // Math

#endif //LOULIB_MATRIX_HPP