项目五--复数运算

/*
*程序的版权和版本声明部分：
*Copyright(c)2014，烟台大学计算机学院学生
*All rights reserved.
*文件名称：
*作者:刘晓晓
*完成日期：2014年 04月8号
*版本号：v1.0
*对任务及求解方法的描述部分：
*输入描述: 无
*问题描述:简单的复数相加
*程序输出：无
*问题分析：
*算法设计：
*/

#include <iostream>

using namespace std;

template <class numtype>

class Complex

{

public:

Complex()

{

real=0;

imag=0;

}

Complex(numtype r,numtype i)

{

real=r;

imag=i;

}

Complex complex_add(Complex &c2);
Complex complex_minus(Complex &c2);
Complex complex_multiply(Complex &c2);
Complex complex_divide(Complex &c2);

void display();

public:

numtype real;

numtype imag;

};
//相加
template <class numtype >

Complex<numtype> Complex<numtype>::complex_add(Complex<numtype> &c2)

{

Complex<numtype> c;

c.real=real+c2.real;

c.imag=imag+c2.imag;

return c;

}
//相减
template <class numtype>
Complex<numtype> Complex<numtype>::complex_minus(Complex<numtype> &c2)
{
Complex<numtype> c;

c.real=real-c2.real;

c.imag=imag-c2.imag;

return c;

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

return c;

}
//除法不会写了
template <class numtype >

void Complex<numtype>::display()

{

cout<<"("<<real<<","<<imag<<"i)"<<endl;

}

int main( )

{

Complex<int> c1(3,4),c2(5,-10),c3; //实部和虚部是int型

c3=c1.complex_add(c2);

cout<<"c1+c2=";

c3.display( );

Complex<double> c4(3.1,4.4),c5(5.34,-10.21),c6; //实部和虚部是double型

c6=c4.complex_add(c5);

cout<<"c4+c5=";

c6.display( );

Complex<int> c7(3,4),c8(5,6),c9;
c9=c7.complex_minus(c8);
cout<<"c7-c8=";
c9.display();

Complex<double >c10(4.5,6.1),c11(2.5,4.2),c12;
c12=c10.complex_multiply(c11);
cout<<"c10*c11=";
c12.display();

return 0;

}