第九周上机任务项目1-Complex类_上级任务定义complex类建立多文件-优快云博客

本文链接：https://blog.youkuaiyun.com/zgz1992319/article/details/8893647

本次博客详细介绍了第九周上机任务中关于Complex类的实现过程，包括复数的加减乘除运算。通过实例展示了如何进行复数计算，并给出了程序的运行结果，揭示了复数操作的核心逻辑。

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01./*      
02.* 程序的版权和版本声明部分      
03.* Copyright (c)2013, 烟台大学计算机学院学生      
04.* All rightsreserved.      
05.* 文件名称：complex .cpp                                 
06.* 作    者：赵冠哲                                  
07.* 完成日期：2013年5月7日      
08.* 版本号： v1.0            
09.* 输入描述：      
10.* 问题描述： 
11.*/  
#include <iostream>
using namespace std;
class Complex
{
public:
    Complex(){real = 0; imag = 0;}
    Complex(double r, double i){real = r; imag = i;}
    Complex operator+ (Complex &c2);
    Complex operator- (Complex &c2);
    Complex operator* (Complex &c2);
    Complex operator/ (Complex &c2);
    friend istream& operator >> (istream&, Complex&);
    friend ostream& operator << (ostream&, Complex&);
private:
    double real;
    double imag;
};
//下面定义成员函数
Complex Complex::operator+ (Complex &c2)
{
    return Complex(this->real + c2.real, this->imag + c2.imag);
}
Complex Complex::operator- (Complex &c2)
{
    return Complex(this->real - c2.real, this->imag - c2.imag);
}
Complex Complex::operator* (Complex &c2)
{
    Complex c;
    c.real = real*c2.real - imag*c2.imag;
    c.imag = real*c2.imag + imag*c2.real;
    return c;
}
Complex Complex::operator/ (Complex &c2)
{
    Complex c;

    c.real = (real*c2.real + imag*c2.imag)/(c2.real*c2.real+c2.imag*c2.imag);
    c.imag = (-real*c2.imag + imag*c2.real)/(c2.real*c2.real+c2.imag*c2.imag);
    return c;
}
istream& operator >> (istream& input, Complex& c)
{
    cout << "请输入复数的实部和虚部的数字：" << endl;
    input >> c.real >> c.imag;

    return input;
}
ostream& operator << (ostream& output, Complex& c)
{
    output << "(" << c.real << "," << c.imag << ")";
    return output;
}
int main()
{
    Complex c1, c2, c3;
    cin >> c1 >> c2;
    cout << "c1=" << c1 << endl;
    cout << "c2=" << c2 << endl;
    c3 = c1 + c2;
    cout << "c1+c2=" << c3 << endl;
    c3 = c1 - c2;
    cout << "c1-c2=" << c3 << endl;
    c3 = c1 * c2;
    cout << "c1*c2=" << c3 << endl;
    c3 = c1 / c2;
    cout << "c1/c2=" << c3 << endl;
    return 0;
}

运行结果：