源程序:
#include <iostream>
using namespace std;
template<class T>
class Complex
{
public:
Complex( ){real=0;imag=0;}
Complex(T r,T i){real=r;imag=i;}
Complex complex_add(Complex &c2);
Complex complex_sub(Complex &c2);
Complex complex_mul(Complex &c2);
Complex complex_div(Complex &c2);
void display( );
private:
T real;
T imag;
};
template<class T>
Complex<T> Complex<T>::complex_add(Complex &c2)
{
Complex c;
c.real = real + c2.real;
c.imag = imag + c2.imag;
return c;
}
template<class T>
Complex<T> Complex<T>::complex_sub(Complex &c2)
{
Complex c;
c.real = real - c2.real;
c.imag = imag - c2.imag;
return c;
}
template<class T>
Complex<T> Complex<T>::complex_mul(Complex &c2)
{
Complex c;
c.real = real * c2.real;
c.imag = imag * c2.imag;
return c;
}
template<class T>
Complex<T> Complex<T>::complex_div(Complex &c2)
{
Complex c;
c.real = real / c2.real;
c.imag = imag / c2.imag;
return c;
}
template<class T>
void Complex<T>::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();
Complex<double> c7(4.8, -3.2), c8(2.4, 1.6), c9;
c9 = c7.complex_sub(c8);
cout << "c7 - c8 = ";
c9.display();
Complex<int> c10(2, -3), c11(2, 1), c12;
c12 = c10.complex_mul(c11);
cout << "c10 * c11 = ";
c12.display();
Complex<double> c13(4.8, -3.2), c14(2.4, 1.6), c15;
c15 = c13.complex_div(c14);
cout << "c13 / c14 = ";
c15.display();
system("pause");
return 0;
}
截图:
类模板···模板类···有点纠结···不太明白在类外定义成员函数时的方法···听贺老讲解后好点了···应该是做的太少的缘故吧···贺老···不要慈悲为怀啦!!!