魏星的专栏

#includeusing namespace std;class encapsulation{public: void get_doul(); void get_volume(); void get_area(); void volume_play(); void area_play(); private: double height;

我在贺老师给出的代码的基础上加入了对于三角形是否成立的判断函数  和   对对象名输出的自定义宏geometry.h#ifndef GEOMETRY_H_INCLUDED#define GEOMETRY_H_INCLUDED#define chuangjian(uiName)CPoint uiName(#uiName);//构造自定义宏class CPoint {private:

#includeusing namespace std;class Complex{public: Complex(){real=0;imag=0;} Complex(double r,double i){real=r;imag=i;} friend Complex operator+(Complex &c1,Complex &c2); friend Complex operator