calculator.h

#ifndef CULATOR_H
#define CULATOR_H
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <iostream>
#include <iomanip>
//#include <conio.h>
//#include <process.h>
#include <math.h>
#include <fstream>
//#include <windows.h>
#include <string>
#include <QString>
#define MAX  100

using namespace std;

class polynomial{
public:
    double Coefficient;
    int index;
    int Rauk;
    polynomial *next;
};

class calculator{
public:
    calculator();
    double Realization(char *str);  //确定系数及其正负
    void push(polynomial *head,double Coefficient,int index) ;//新项加入单链表
    QString Build(QString a, int mp);//构建多项式
    void xue(polynomial *head);//多项式合并同幂项
    void del(polynomial *DLList1,double Coefficient,int index);//删除
    void sort(polynomial *DLList1);//降幂排序
    void Inverselist(polynomial *DLList1);//逆置
    QString algorithm(int CD);//加/减计算
    QString  Formattedoutput(polynomial *abc);//格式化输出
    void quick(polynomial *Ac);//清除指定多项式
    void clear();//清除所有多项式
    bool check(QString strr);//检查字符串合法性
    QString calX(int x,polynomial *head);
    QString calX1(int i);
private:
    polynomial *Aa=new polynomial;
    polynomial *Bb=new polynomial;
    polynomial *Cc=new polynomial;
};

#endif // CALCULATOR_H