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| 1 | // Matrix.hpp | |
| 2 | #pragma once | |
| 3 | ||
| 4 | namespace Furdarius | |
| 5 | {
| |
| 6 | const int MATRIX_MAX_SIZE = 100; | |
| 7 | ||
| 8 | struct Size {
| |
| 9 | int row, col; | |
| 10 | }; | |
| 11 | ||
| 12 | template<typename _T> | |
| 13 | class Matrix | |
| 14 | {
| |
| 15 | Size size; | |
| 16 | _T data[MATRIX_MAX_SIZE][MATRIX_MAX_SIZE]; | |
| 17 | ||
| 18 | public: | |
| 19 | Matrix(void) | |
| 20 | {
| |
| 21 | size.row = MATRIX_MAX_SIZE; | |
| 22 | size.col = MATRIX_MAX_SIZE; | |
| 23 | }; | |
| 24 | ||
| 25 | Matrix(int row, int col) | |
| 26 | {
| |
| 27 | size.row = row; | |
| 28 | size.col = col; | |
| 29 | }; | |
| 30 | ||
| 31 | Matrix(Size _size) | |
| 32 | {
| |
| 33 | size.row = _size.row; | |
| 34 | size.col = _size.col; | |
| 35 | }; | |
| 36 | ||
| 37 | Matrix(Matrix &source, int num) | |
| 38 | {
| |
| 39 | size = source.getSize(); | |
| 40 | for (int i = 0; i < size.row; ++i) | |
| 41 | for (int j = 0; j < size.col; ++j) | |
| 42 | data[i][j] = source[i][j] + num; | |
| 43 | }; | |
| 44 | ||
| 45 | Size getSize() {
| |
| 46 | return size; | |
| 47 | }; | |
| 48 | ||
| 49 | _T* operator[](int id) {
| |
| 50 | return data[id]; | |
| 51 | }; | |
| 52 | ||
| 53 | const _T* operator[](int id) const {
| |
| 54 | return data[id]; | |
| 55 | }; | |
| 56 | ||
| 57 | operator double() const {
| |
| 58 | double res = 0; | |
| 59 | ||
| 60 | for (int i = 0; i < size.row; ++i) | |
| 61 | for (int j = 0; j < size.col; ++j) | |
| 62 | res += data[i][j]; | |
| 63 | ||
| 64 | return res / (size.row * size.col); | |
| 65 | }; | |
| 66 | ||
| 67 | friend const Matrix<_T> operator+(const Matrix<_T>& left, const Matrix<_T>& right); | |
| 68 | friend const Matrix<_T> operator-(const Matrix<_T>& left, const Matrix<_T>& right); | |
| 69 | ||
| 70 | ~Matrix() | |
| 71 | {
| |
| 72 | size.row = 0; | |
| 73 | size.col = 0; | |
| 74 | } | |
| 75 | }; | |
| 76 | ||
| 77 | template<typename _T> | |
| 78 | const Matrix<_T> operator+(const Matrix<_T>& left, const Matrix<_T>& right) {
| |
| 79 | Matrix<_T> res(left.getSize()); | |
| 80 | ||
| 81 | for (int i = 0; i < res.getSize().row; ++i) | |
| 82 | for (int j = 0; j < res.getSize().col; ++j) | |
| 83 | res[i][j] = left[i][j] + right[i][j]; | |
| 84 | ||
| 85 | return res; | |
| 86 | }; | |
| 87 | ||
| 88 | template<typename _T> | |
| 89 | const Matrix<_T> operator-(const Matrix<_T>& left, const Matrix<_T>& right) {
| |
| 90 | Matrix<_T> res(left.getSize()); | |
| 91 | ||
| 92 | for (int i = 0; i < res.getSize().row; ++i) | |
| 93 | for (int j = 0; j < res.getSize().col; ++j) | |
| 94 | res[i][j] = left[i][j] - right[i][j]; | |
| 95 | ||
| 96 | return res; | |
| 97 | }; | |
| 98 | - | }; |
| 98 | + | }; |
| 99 | ||
| 100 | // В main.cpp есть код сложения | |
| 101 | Matrix<MatrixType> addRes = first + second; | |
| 102 | // тут first и second это тоже матрицы Matrix<MatrixType> | |
| 103 | ||
| 104 | /* | |
| 105 | Линковщик ругается: | |
| 106 | ||
| 107 | 1>main.obj : error LNK2019: unresolved external symbol "class Furdarius::Matrix<int> const __cdecl Furdarius::operator+(class Furdarius::Matrix<int> const &,class Furdarius::Matrix<int> const &)" (??HFurdarius@@YA?BV?$Matrix@H@0@ABV10@0@Z) referenced in function _main | |
| 108 | */ |
