第七周任务三

/* (程序头部注释开始)
* 程序的版权和版本声明部分
* Copyright (c) 2011, 烟台大学计算机学院学生 
* All rights reserved.
* 文件名称：                              
* 作    者：刘杨                              
* 完成日期：2012 年 4 月 3 日
* 版 本 号：          

* 对任务及求解方法的描述部分
* 输入描述： 
* 问题描述： 
* 程序输出： 
* 程序头部的注释结束
*/

#include <iostream> 
 
using namespace std;  

template<class numtype> 
  
class Complex     
{  
public:  
    Complex( ){numtype real=0;numtype imag=0;}       
    Complex(numtype r,numtype i){real=r;imag=i;}   
    Complex complex_add(const Complex<numtype> &c2);  
    Complex Complex_reduce(const Complex<numtype> &c2);  
    Complex Complex_multiplication(const Complex<numtype> &c2);  
    Complex Complex_division(const Complex<numtype> &c2);  
    void display( );     
private:  
numtype  real;   
numtype imag;   
}; 
 
template<class numtype>   
Complex<numtype> Complex<numtype>::complex_add(const Complex<numtype> &c2)  
{  
    Complex<numtype> c;  
    c.real=real+c2.real;  
    c.imag=imag+c2.imag;  
    return c;  
}  

template<class numtype>      
void Complex<numtype>::display( )     
{  
    cout<<"("<<real<<","<<imag<<"i)"<<endl;  
}  

template<class numtype>  
Complex<numtype> Complex<numtype>::Complex_reduce(const Complex<numtype> &c2)  
{  
   Complex<numtype> c;  
   c.real=real-c2.real;  
    c.imag=imag-c2.imag;  
    return c;  
}  

template<class numtype>  
Complex<numtype> Complex<numtype>::Complex_multiplication(const Complex<numtype> &c2)  
{  
    Complex<numtype> c;  
    c.real=real*c2.real-imag*c2.imag;  
    c.imag=real*c2.imag+imag*c2.real;  
        return c;  
}  

template<class numtype>   
Complex<numtype> Complex<numtype>::Complex_division(const Complex<numtype> &c2)  
{  
    Complex<numtype> c;  
    c.real=(real*c2.real+imag*c2.imag)/(c2.real*c2.real+c2.imag*c2.imag);  
    c.imag=(imag*c2.real-real*c2.imag)/(c2.real*c2.real+c2.imag*c2.imag);  
    return c;  
}  

int main( )  
{   Complex<int> c1(-12,16),c2(5,-10),c3;    
    c3=c1.complex_add(c2);    
    cout<<"c1+c2=";   
    c3.display( );  
    c3=c1.Complex_reduce(c2);  
    cout<<"c1-c2=";  
    c3.display();  
    c3=c1.Complex_multiplication(c2);  
    cout<<"c1*c2=";  
    c3.display();  
    c3=c1.Complex_division(c2);  
    cout<<"c1/c2=";  
    c3.display();  
    Complex<double> c4(3.1,4.4),c5(5.34,-10.21),c6;    
    c6=c4.complex_add(c5);    
    cout<<"c4+c5=";   
    c6.display( );  
    c6=c4.Complex_reduce(c5);  
    cout<<"c4-c5=";  
    c6.display();  
    c6=c4.Complex_multiplication(c5);  
    cout<<"c4*c5=";  
    c6.display();  
    c6=c4.Complex_division(c5);  
    cout<<"c4/c5=";  
    c6.display();  
    system("pause");  
    return 0;  
}  

运行结果：