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;  }  

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