complex.h

ThinkingC++中文版

class complex{
private:   
	double rpart;
    double ipart;
public:     
	complex() 
	{
		rpart = ipart = 0.0;
	}
	complex(double rp,double ip)
	{  
		rpart=rp;   
		ipart=ip; 
	}			  
	
	complex(double d) //具有类型转换功能
	{
		rpart = d;
		ipart=0.0;
	}

//  const complex add(const complex& com); 
	
//	complex operator+(const complex& com);
//	const complex operator+(const complex& com);
	const complex operator+(const complex& com) const; //成员函数版

	const complex operator-() const;//单目负  ，不能写成const complex operator-()  因为：-a+b

	void print();

};