expression.h

穷举法进行三八二十四的计算。列举所有可能的表达式进行计算筛选。

// Expression.h: interface for the CExpression class.
//
//////////////////////////////////////////////////////////////////////

#if !defined(AFX_EXPRESSION_H__FEC39821_B7E7_11D9_BEDA_000AEB106808__INCLUDED_)
#define AFX_EXPRESSION_H__FEC39821_B7E7_11D9_BEDA_000AEB106808__INCLUDED_

#include "Calculator.h"	// Added by ClassView
#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000

class CExpression  
{
protected:
	void AddBracket();
	static CCalculator m_Calculator;

public:
	bool m_bOperator;
	double m_dblValue;
	char m_cOperator;
	CString m_strExpression;
public:
	double Calculate(CExpression op,CExpression operand);

	CExpression(char cOperator);
	CExpression(double dblOperand);
	virtual ~CExpression();

};

#endif // !defined(AFX_EXPRESSION_H__FEC39821_B7E7_11D9_BEDA_000AEB106808__INCLUDED_)