1/*
2 Copyright(C) 1998
3 All Rights Reserved. Salih Yurttas, ZCubes, BitsOfCode Software Systems, Inc..
4
5 Permission to use, copy, modify, and distribute this
6 software and its documentation for EDUCATIONAL purposes
7 and without fee is hereby granted provided that this
8 copyright notice appears in all copies.
9
10 date : January 1, 1998.
11 author : Salih Yurttas.
12
13 Matrix.cpp
14*/
15
16
17#include <iostream>
18
19using namespace std;
20
21#include "Matrix.h"
22
23const int r_s=4,
24 c_s=4;
25
26Matrix::
27Matrix() : r_size = r_s),
28 c_size = c_s),
29 m = new int*[r_size]) {
30 for(int i=0; i<r_size; ++i) {
31 m[i]= new int[c_size];
32 for(int j=0; j<c_size; ++j)
33 m[i][j] = 0;
34 }
35}
36
37Matrix::
38Matrix(const int r,
39 const int c) : r_size(r),
40 c_size(c),
41 m(new int*[r_size]) {
42 for(int i=0; i<r_size; ++i) {
43 m[i]= new int[c_size];
44 for(int j=0; j<c_size; ++j)
45 m[i][j] = 0;
46 }
47}
48
49Matrix::
50Matrix(const Matrix& m1) : r_size(m1.r_size),
51 c_size(m1.c_size),
52 m(new int*[r_size]) {
53 for(int i=0; i<r_size; ++i) {
54 m[i]= new int[c_size];
55 for(int j=0; j<c_size; ++j)
56 m[i][j] = m1.m[i][j];
57 }
58}
59
60Matrix::
61~Matrix() {
62 for(int i=0; i<r_size; ++i)
63 delete [] m[i];
64 delete [] m;
65}
66
67Matrix&
68Matrix::
69operator=(const Matrix& m1) {
70 for(int i=0; i<r_size; ++i)
71 delete [] m[i];
72 delete [] m;
73
74 m = new int*[r_size];
75 for(int i=0; i<r_size; ++i) {
76 m[i]= new int[c_size];
77 for(int j=0; j<c_size; ++j)
78 m[i][j] = m1.m[i][j];
79 }
80
81 return *this;
82}
83
84Matrix&
85Matrix::
86operator+(const Matrix& m1) {
87 for(int i=0; i<r_size; ++i)
88 for(int j=0; j<c_size; ++j)
89 m[i][j] = m[i][j] + m1.m[i][j];
90 return *this;
91}
92
93Matrix&
94Matrix::
95get_matrix() {
96 for(int i=0; i<r_size; ++i)
97 for(int j=0; j<c_size; ++j)
98 cin >> m[i][j];
99 return *this;
100}
101
102void
103Matrix::
104put_matrix() {
105 for(int i=0; i<r_size; ++i) {
106 for(int j=0; j<c_size; ++j)
107 cout << m[i][j] << " ";
108 cout << endl;
109 }
110}