c++ 运算符重载

最新推荐文章于 2024-12-13 17:54:55 发布

dxm809

最新推荐文章于 2024-12-13 17:54:55 发布

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#pragma once
class Complex
{
private :
	int nReal;
	int nImg;

public:
	Complex(int r = 0, int i = 0);
	friend Complex operator+(Complex &c1, Complex &c2);
	friend Complex operator-(Complex& c1, Complex& c2);
	Complex operator++(int);//后缀
	Complex operator++();//前缀
	Complex operator=(Complex& c1);
	void Print();

};

#include "Complex.h"
#include <iostream>

using namespace std;

Complex::Complex(int r, int i)
{
    nReal = r;
    nImg = i;
}

Complex Complex::operator++(int)//后缀
{
    int r = nReal++;
    int i = nImg++;

    return Complex(r,i);
}

Complex Complex::operator++()//前缀
{
    ++nReal;
    ++nImg;
    return *this;
}

Complex Complex::operator=(Complex& c1)
{
    nReal = c1.nReal;
    nImg = c1.nImg;
    return *this;
}

void Complex::Print()
{
    cout << '(' << nReal << ',' << nImg << ')' << endl;
}

Complex operator+(Complex &c1, Complex &c2)
{
    int r = c1.nReal + c2.nReal;
    int i = c1.nImg + c2.nImg;
    return Complex(r,i);
}

Complex operator-(Complex& c1, Complex& c2)
{
    int r = c1.nReal - c2.nReal;
    int i = c2.nImg - c2.nImg;
    return Complex(r,i);
}

// Test01.cpp : 此文件包含 "main" 函数。程序执行将在此处开始并结束。
//

#include <iostream>
#include "Complex.h"

int main()
{
	Complex c1(1, 2);
	Complex c2 = c1++;

	c2.Print();
	c1.Print();
	++c1;
	c1.Print();
	Complex c3 = c1 + c2;
	c3.Print();
	Complex c4 = c2 - c1;
	c4.Print();
	return 0;
}