integerinstruction.h

Trolltech公司发布的图形界面操作系统。可在qt-embedded-2.3.10平台上编译为嵌入式图形界面操作系统。

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#ifndef CALC_INTEGER_H
#define CALC_INTEGER_H

#include <qtopia/calc/instruction.h>
#include <qtopia/calc/integerdata.h>

// Integer instruction base
class QTOPIA_EXPORT BaseIntegerInstruction : public Instruction {
public:
    BaseIntegerInstruction():Instruction(){};
    ~BaseIntegerInstruction(){};

    Data *eval(Data*);
    Data *doEval(IntegerData *i){return i;};
protected:
    IntegerData *integerNum;
};

// Mathematical functions
class QTOPIA_EXPORT IntegerAdd : public BaseIntegerInstruction {
public:
    IntegerAdd():BaseIntegerInstruction(){};
    ~IntegerAdd(){};
    Data *doEval(IntegerData *);
};
class QTOPIA_EXPORT IntegerSub : public BaseIntegerInstruction {
public:
    IntegerSub():BaseIntegerInstruction(){};
    ~IntegerSub(){};
    Data *doEval(IntegerData *);
};
class QTOPIA_EXPORT IntegerMul : public BaseIntegerInstruction {
public:
    IntegerMul():BaseIntegerInstruction(){};
    ~IntegerMul(){};
    Data *doEval(IntegerData *);
};
class QTOPIA_EXPORT IntegerDiv : public BaseIntegerInstruction {
public:
    IntegerDiv():BaseIntegerInstruction(){};
    ~IntegerDiv(){};
    Data *doEval(IntegerData *);
};

#endif