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Annotation of Examples/AppKit/CalculatorLab++/CalcEngine.h, revision 1.1

1.1     ! root        1: //
        !             2: //     CalcEngine -- mem
        !             3: //     A general C++ class that directly supports a calculator interface
        !             4: //
        !             5: //     You may freely copy, distribute and reuse the code in this example.
        !             6: //     NeXT disclaims any warranty of any kind, expressed or implied, as to
        !             7: //     its fitness for any particular use.
        !             8: //
        !             9: //     Created 8-21-90
        !            10: //     
        !            11: 
        !            12: enum ops {
        !            13:     DIVIDE = 20,
        !            14:     MULTIPLY = 21,
        !            15:     SUBTRACT = 22,
        !            16:     ADD = 23
        !            17: };
        !            18: 
        !            19: class CalcEngine
        !            20: {
        !            21:     enum ops op;
        !            22:     double     accumulator;            // result of the mathematics
        !            23: 
        !            24: public:
        !            25:     CalcEngine();                              // C++ constructor
        !            26:     void clear();
        !            27:     void setOperation(int whichOp);
        !            28:     double equalsKey(double secondNum);
        !            29:     double operationKeys(int whichOp, double firstNum);
        !            30: };
        !            31: 

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