【复数 重载运算符】

【复数的加法【非重载运算符型】】

 

#include <iostream>

using namespace std;

class Complex

{

private:

 double real;

 double imag;

public:

 Complex() {}

 Complex(double r, double i) :real(r), imag(i) {}

 Complex add(Complex& c1)

 {

  Complex c;

  c.real = c1.real + real;

  c.imag = c1.imag + imag;

  return c;

 }

 void show()

 {

  cout << "(" << real << "," << imag << ")" << endl;

 }

};

int main()

{

 Complex c(4, 5), c1(6, 8), c2;

 c.show();

 c1.show();

 c2 = c1.add(c);

 c2.show();

 return 0;

}

 【复数【重载运算符】】

 

#include <iostream>

using namespace std;

class Complex

{

private:

 double real;

 double imag;

public:

 Complex() {}

 Complex(double r, double i)

 {

  real = r;

  imag = i;

 }

 Complex operator+(Complex& c1)

 {

  Complex c;

  c.real = real + c1.real;

  c.imag = imag + c1.imag;

  return c;

 }

 void show()

 {

  cout << "(" << real << "," << imag << ")" << endl;

 

 }

};

int main()

{

 Complex c(3, 4), c1(5, 5), c2;

 c.show();

 c1.show();

 c2 = c1.operator+(c);

 c2 = c + c1;

 c2.show();

 c2.show();

}