longcal.h

长整形相加的程序

// LongCal.h: interface for the CLongCal class.
//
//////////////////////////////////////////////////////////////////////

#if !defined(AFX_LONGCAL_H__63EFB33F_FAB3_41FE_8A9A_64DD9CCF9A3F__INCLUDED_)
#define AFX_LONGCAL_H__63EFB33F_FAB3_41FE_8A9A_64DD9CCF9A3F__INCLUDED_

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

class CLongCal  
{
public:
	int strGetChar(CString a ,int index);
	void toString();
	bool isZero();
	void iniUseString(CString str);
	int strValueCompare(CString a,CString b);
	CString aSUBb(CString a,CString b);
	void trimNoNum(CString &str);
	void trimZero(CString &str);
	CString aADDb(CString a,CString b);
	void swapString(CString &a,CString &b);
	void Add(CLongCal c);
	bool isNum(char a);
	CLongCal();
	CLongCal(CString str);
	virtual ~CLongCal();
private:
	CString m_str;//reverse format
	char m_sign;


};

#endif // !defined(AFX_LONGCAL_H__63EFB33F_FAB3_41FE_8A9A_64DD9CCF9A3F__INCLUDED_)