maketerm.cpp

c++语言 实现多项式的加法、乘法等

#include <iostream>
using namespace std;

#include "Term.h"

Term::Term(int c, int e):coef(c),exp(e){
	link = 0;
}

Term::Term(int c, int e, Term *nxt):coef(c),exp(e){
	link = nxt;
}

Term* Term::InsertAfter(int c, int e)
{	
	link = new Term(c, e, link);
//相当于this->link=new Term(c,e,this->link);
    return link;
}

ostream& operator <<(ostream& out, const Term& val)
{
  if(val.coef == 0)
	  return out;  
  out << val.coef;
  switch(val.exp){
    case 0:
		break;
    case 1:
		out << "X"; 
		break;
    default:
		out << "X^" << val.exp;
		break;
  }
  return out;
}