/* Example programs from the book Scientific and Engineering Programming in C++: An Introduction with Advanced Techniques and Examples, Addison-Wesley, 1994. (c) COPYRIGHT INTERNATIONAL BUSINESS MACHINES CORPORATION 1994. ALL RIGHTS RESERVED. See README file for further details. */ #ifndef Acme230H #define Acme230H #include "examples/ch10/Acme130_GIData.h" class Acme230 : public virtual VoltageSupply, public virtual GPIBInstrument, private Acme130_GIData { public: Acme230(GPIBController& which_GPIB, int what_address); virtual void set(float volts); virtual float maximum() const; enum Range { high, low }; virtual void set(Range r); private: Range range_setting; }; #endif