[cpp]
/*
*【項目1】實現復數類中的運算符重載
* 程序的版權和版本聲明部分
* Copyright (c)2012, 煙台大學計算機學院學生
* All rightsreserved.
* 文件名稱: object.cpp
* 攻城菜鳥:蛋蛋
* 完成日期: 2013年 4 月 18 日
* 版本號: v1.0
* 輸入描述:兩個復數的真部和虛部
* 問題描述:任務一:請用類的成員函數完成運算符的重載;定義一個復數類重載運算符+、-、*、/,使之能用於復數的加減乘除
* 程序輸出:使用運算符運算的結果
*/
#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);
void display();
private:
double real;
double imag;
};
//下面定義成員函數
Complex Complex:: operator+(Complex &c2){
return Complex(real+c2.real,imag+c2.imag);
}
Complex Complex:: operator-(Complex &c2){
return Complex(real-c2.real,imag-c2.imag);
}
Complex Complex:: operator*(Complex &c2){
return Complex(real*c2.real-imag*c2.imag,real*c2.imag+c2.real*imag);
}
Complex Complex:: operator/(Complex &c2){
return Complex((real*c2.real-imag*c2.imag)/(c2.real*c2.real-c2.imag*c2.imag),+(real*c2.imag-c2.real*imag)/(c2.real*c2.real-c2.imag*c2.imag));
}
void Complex::display(){
cout<<"("<<real<<","<<imag<<"i)"<<endl;
}
//下面是測試函數
int main()
{
Complex c1(3,4),c2(5,-10),c3;
cout<<"c1=";
c1.display();
cout<<"c2=";
c2.display();
c3=c1+c2;
cout<<"c1+c2=";
c3.display();
c3=c1-c2;
cout<<"c1-c2=";
c3.display();
c3=c1*c2;
cout<<"c1*c2=";
c3.display();
c3=c1/c2;
cout<<"c1/c2=";
c3.display();
return 0;
}