99 lines
2.2 KiB
C++
99 lines
2.2 KiB
C++
#ifndef TOOLS_MATRIX_H
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#define TOOLS_MATRIX_H
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// some functions for matrix interaction
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#include <iostream>
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#include <vector>
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/**
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* Vector is a class to represent
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* a column vector with n rows.
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*/
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class Vector {
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protected:
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// Number of rows in vector
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int rows;
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// Number of columns in vector
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int columns;
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// Matrix representation as vector of vectors of integers
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std::vector<double> vector;
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public:
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Vector(int n);
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Vector(const Vector& other);
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Vector(std::initializer_list<double>);
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/* Getter for the number of rows */
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int size() const;
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double& operator[](int row);
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Vector& operator=(const Vector& other);
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Vector operator+(Vector& other);
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Vector operator-(Vector& other);
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/* Input operator reads element of vector */
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friend std::istream& operator>>(std::istream& cin, Vector& vectorObj);
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/* Output operator prints elements of the vector
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* in a row separated with a space (no space at the end of the line)
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*/
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friend std::ostream& operator<<(std::ostream& cout, Vector& vectorObj);
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};
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/**
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* Class Matrix represents
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* a matrix of size n x m
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* of type integer.
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*/
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class Matrix {
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protected:
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// Number of rows in matrix
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int rows;
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// Number of columns in matrix
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int columns;
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// Matrix representation as vector of vectors of integers
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std::vector<Vector> matrix;
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public:
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Matrix(int n, int m);
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Matrix(const Matrix& other);
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Matrix(std::initializer_list<std::vector<double>>);
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/* Getter for the number of rows */
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int getRows() const;
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/* Getter for the number of columns */
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int getColumns() const;
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Vector& operator[](int row);
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Matrix& operator=(const Matrix& other);
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Matrix operator+(Matrix& other) const;
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Matrix operator-(Matrix& other) const;
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Matrix operator*(Matrix& other) const;
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/* Matrix-Vector multiplication */
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Vector operator*(Vector other) const;
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/* Produces transposed version of the matrix */
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Matrix transpose() const;
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/* Input operator reads element of matrix row by row */
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friend std::istream& operator>>(std::istream& cin, Matrix& matrixObj);
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/* Output operator prints elements of the matrix
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* row by row separated with a space (no space at the end of each line)
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*/
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friend std::ostream& operator<<(std::ostream& cout, Matrix& matrixObj);
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};
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#endif // TOOLS_MATRIX_H
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