polynomial.h

实现多项式运算的程序,该程序充分考虑了计算中可能遇到的各种问题

#ifndef  _MY_POLY_
#define  _MY_POLY_

#include "Term.h"
#include <iostream.h>
#include <fstream.h>
class CPolynomial
{
private:
	CTerm  *m_pHead;
public:
	CPolynomial( );
	CPolynomial( CTerm *Know);//重载一个已存在的链表
	~CPolynomial( );
    int		Length( );
	int		Empty( );
    CTerm	*GetHead( ) { return m_pHead; }
	CTerm	*GetPoint( int val );  //返回i号节点的地址
	int		GetDegree( int val );
	int		Insert( CTerm *p, int Degree, double Ceof ); //在地址是p的节点前插入元素
	int		PushBack( int Degree, double Coef );
	int		Delete( CTerm *p );  //删除地址是p的元素
    int		Print();   //打印表
	int		Read1( );  //从p1中读多项式
	int		Read2( );  //从p2Z中读多项式
	//重载一些运算符进行相关的运算；
	friend	CPolynomial  operator+ ( const CPolynomial &p1, const CPolynomial &p2);
	friend	CPolynomial  operator- ( const CPolynomial &p1, const CPolynomial &p2);
	friend	CPolynomial  operator* ( const CPolynomial &p1, const CPolynomial &p2);
	//friend	CPolynomial  operator/ ( const CPolynomial &p1, const CPolynomial &p2);
	//friend	CPolynomial  operator% ( const CPolynomial &p1, const CPolynomial &p2);

    CPolynomial&  operator= (const CPolynomial &p);

};

#endif