// P3.h: interface for the CP3 class.
//
//////////////////////////////////////////////////////////////////////

#if !defined(AFX_P3_H__5B85FC65_6516_4259_941E_FAB30D13824E__INCLUDED_)
#define AFX_P3_H__5B85FC65_6516_4259_941E_FAB30D13824E__INCLUDED_

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000
#include "P2.h"

class CP3 : public CP2
{
public:
	CP3();
	virtual ~CP3();
	CP3(double, double, double);
	friend CP3 operator+(const CP3 &, const CP3 &); // ÔËËã·ûÖØÔØ
	friend CP3 operator-(const CP3 &, const CP3 &);
	friend CP3 operator*(const CP3 &, double);
	friend CP3 operator*(double, const CP3 &);
	friend CP3 operator/(const CP3 &, double);
	friend CP3 operator+=(CP3 &, CP3 &);
	friend CP3 operator-=(CP3 &, CP3 &);
	friend CP3 operator*=(CP3 &, double);
	friend CP3 operator/=(CP3 &, double);
	double Mag(); // ³¤¶È
public:
	double z;
};

#endif // !defined(AFX_P3_H__5B85FC65_6516_4259_941E_FAB30D13824E__INCLUDED_)