第七周上機任務項目4-複數模板類

01./*      02.* 程式的著作權和版本聲明部分      03.* Copyright (c)2013, 煙台大學電腦學院學生      04.* All rightsreserved.      05.* 檔案名稱：complx.cpp                                 06.* 作    者：趙冠哲                                  07.* 完成日期：2013年4月12日      08.* 版本號碼： v1.0            09.* 輸入描述：      10.* 問題描述：    11.*/#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_cut(Complex &c2);  Complex complex_mul(Complex &c2);  Complex complex_div(Complex &c2);  void display();private:numtype real;numtype imag;};template <class numtype>  Complex<numtype> Complex<numtype>::complex_add(Complex &c2){Complex c;c.real=real+c2.real;c.imag=imag+c2.imag;return c;}template <class numtype>Complex<numtype> Complex<numtype>::complex_cut(Complex &c2){Complex c;c.real=real-c2.real;c.imag=imag-c2.imag;return c;}template <class numtype>Complex<numtype> Complex<numtype>::complex_mul(Complex &c2){Complex 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_div(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;}template <class numtype>void Complex<numtype>::display(){cout<<"("<<real<<","<<imag<<"i)"<<endl;}int main( ){Complex<int> c1(3,4),c2(5,-10),c3;  c3=c1.complex_add(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( ); //下面測試減法、乘法和除法    Complex<int> c7(3, 3), c8(6, -1), c9;       c9 = c7.complex_cut(c8);        cout << "c7-c8=";       c9.display( );      Complex<int> c10(3, 4), c11(5,5), c12;       c12=c10.complex_mul(c11);       cout << "c10*c11=";       c12.display( );    Complex<double> c13(5,3), c14(4,6), c15;       c15=c13.complex_mul(c14);       cout << "c13/c14=";       c15.display( ); return 0;}

運行結果：