operation.h

可进行大数的加减乘除、阶乘、三角函数、幂指数（指数只支持整数）的运算

#include <iostream>
#include <string>
#include <stack>
#include <iomanip>
#include "Arithmetic.h"

//using namespace std;

class Operation
{
public:

	//初始化
	Operation(std::string NumLine);
	Operation(char* NumLine);

	//计算表达式
	std::string Operations();

private:

	//比较算术的优先级
	char CompareSign(char c1, char c2);

	//判断是符号还是数字
	bool IsNumber(char c);

	//禁止未初始化
	Operation();

	//计算
	Arithmetic Operate(Arithmetic& a, char c, Arithmetic& b);

private:
	std::string m_NumLine;
};