session_4_ex infint.hpp (완성)

#ifndef infint_hpp 
#define infint_hpp
#include<iostream>
#include<string>
#include<string.h>

#define MAX_INT64 (INT64)0x7FFFFFFFFFFFFFFF
#define MIN_INT64 (INT64)0x8000000000000000

#define UN_INIT 0xCCCCCCCCCCCCCCCC
typedef long long INT64;

/*
+
-
++
--
+=
-=
*
*=
=

*
*=
negative
*/

class Infint {
public:
 Infint();
 Infint(int value);
 Infint(const char* pData);

// string reverseStr(string input) const;

 Infint operator+(const Infint& infint);
 Infint operator-(const Infint& infint);
 Infint operator*(const Infint& infint);

 Infint  operator ++(int);
 Infint  operator --(int);

 Infint  operator +=(const Infint& inf);

 Infint  operator -=(const Infint& inf);

 Infint  operator *=(const Infint& infint);

protected:
 bool IsINT64Overflow() const;
 friend std::ostream& operator<<(std::ostream& _cout, const Infint& bigdata);
 void INT64ToString();
 bool IsLeftStrBig(const char* pLeft, int LSize, const char* pRight, int RSize);
 char SubLoop(char* pLeft, int LSize, char* pRight, int RSize);

 std::string add(std::string left, std::string right);
 std::string minus(std::string left, std::string right);
 std::string multiply(std::string left, std::string right);

protected:
 int _value;
 std::string strData;

};

#endif