?? fractioninstruction.h
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/******************************************************************************** Copyright (C) 2000-2006 TROLLTECH ASA. All rights reserved.**** This file is part of the Phone Edition of the Qtopia Toolkit.**** Licensees holding a valid license agreement from Trolltech or any of its** authorized distributors may use this file in accordance with** the License Agreement provided with the Licensed Software.**** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for** information about Trolltech's Commercial License Agreements.**** Contact info@trolltech.com if any conditions of this licensing are** not clear to you.********** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.******************************************************************************/#ifdef ENABLE_FRACTION#ifndef CALC_FRACTION_H#define CALC_FRACTION_H#include "instruction.h"#include "fractiondata.h"#include "doubledata.h"//Fraction instruction baseclass BaseFractionInstruction:public Instruction {public: BaseFractionInstruction(); ~BaseFractionInstruction(){}; virtual void eval(); virtual void doEval(FractionData *,FractionData *){}; virtual void doEval(FractionData *){};};// Factoryclass iFractionFactory:public Instruction {public: iFractionFactory(); ~iFractionFactory(){}; void eval();};// Copyclass iFractionCopy:public BaseFractionInstruction {public: iFractionCopy(); ~iFractionCopy(){}; void eval();};// Conversionsclass iConvertDoubleFraction:public Instruction {public: iConvertDoubleFraction(); ~iConvertDoubleFraction(){}; void eval();};// Mathematical functionsclass iAddFractionFraction:public BaseFractionInstruction {public: iAddFractionFraction(); ~iAddFractionFraction(){}; void doEval(FractionData *,FractionData *);};class iSubtractFractionFraction:public BaseFractionInstruction {public: iSubtractFractionFraction (); ~iSubtractFractionFraction (){}; void doEval(FractionData *,FractionData *);};class iMultiplyFractionFraction:public BaseFractionInstruction {public: iMultiplyFractionFraction (); ~iMultiplyFractionFraction (){}; void doEval(FractionData *,FractionData *);};class iDivideFractionFraction:public BaseFractionInstruction {public: iDivideFractionFraction (); ~iDivideFractionFraction (){}; void doEval(FractionData *,FractionData *);};class iNegateFractionFraction:public BaseFractionInstruction {public: iNegateFractionFraction (); ~iNegateFractionFraction (){}; void doEval(FractionData *);};#endif#endif //ENABLE_FRACTION
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