There are two rows of the matrix was 3 ml and m2 columns 3, to achieve programming matrices Matrix, carrying both operator "+", ">>" and "<<", so that it can be used matrices m1 and m2 addition, the input and output.
//Matrix .h
#include <iostream>
using namespace std;
class Matrix
{
public:
Matrix();
~Matrix();
Matrix(const Matrix&);
friend Matrix operator+(const Matrix&a,const Matrix&b);
friend ostream & operator<<(ostream&a,const Matrix&b);
friend istream & operator>>(istream&a, Matrix&b);
private:
double a[3][3];
};
//Matrix cpp
#include "pch.h"
#include "Matrix.h"
Matrix::Matrix()
{
}
Matrix::~Matrix()
{
}
Matrix::Matrix(const Matrix&b)
{
for (int i = 0; i < 3; i++)
{
for (int j = 0; j < 3; j++)
{
a[i][j] = b.a[i][j];
}
}
}
Matrix operator+( const Matrix&a,const Matrix&b)
{
Matrix p;
for (int i = 0; i < 3; i++)
{
for (int j = 0; j < 3; j++)
{
p.a[i][j]=a.a[i][j] + b.a[i][j];
}
}
return p;
}
ostream& operator<<(ostream&a,const Matrix&b)
{
for (int i = 0; i < 3; i++)
{
for (int j = 0; j < 3; j++)
{
a << b.a[i][j] << '\t';
}
cout << endl;
}
return a;
}
istream & operator>>(istream &a, Matrix &b)
{
for (int i = 0; i < 3; i++)
{
for (int j = 0; j < 3; j++)
{
a >>b.a[i][j];
}
}
return a;
}
//主函数
#include "pch.h"
#include "Matrix.h"
#include <iostream>
using namespace std;
int main()
{
Matrix a, b;
cin >> a >> b;
cout << a + b;
}