/////////////////////////////////////////////////////////////////////
//
//	Module name: 
//		CHugeInt class
//
//	Description:
//		An abstraction of large integer.
//		Only add and multiple operations are supported. 
//
//	created by LiangHL 2007.4.12
//
/////////////////////////////////////////////////////////////////////

#if !defined(AFX_HUGEINT_H__C1E779B3_80FD_4888_854A_7BFE3C2AC461__INCLUDED_)
#define AFX_HUGEINT_H__C1E779B3_80FD_4888_854A_7BFE3C2AC461__INCLUDED_

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000

#include <vector>
using namespace std;

class CHugeInt  
{
public:
	CHugeInt();
	CHugeInt(int iSrc);
	CHugeInt(const CHugeInt& hiSrc);
	virtual ~CHugeInt();

	void Zero();

	CHugeInt& Add(int iOperand);
	CHugeInt& Multiple(int iOperand);
	CHugeInt& operator = (int iOperand);

	CHugeInt& Add(const CHugeInt& hiOperand);
	CHugeInt& Multiple(const CHugeInt& hiOperand);
	CHugeInt& operator = (const CHugeInt& hiOperand);
	
	// console print
	void Output();

protected:
	void AddSmall(int iIndex, int iValue);
	void Add(int iIndex, int iValue);

protected:
	static const int m_ciWeight;
protected:
	vector<int> m_vecData;
};

#endif // !defined(AFX_HUGEINT_H__C1E779B3_80FD_4888_854A_7BFE3C2AC461__INCLUDED_)