Calculator.h

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/***************************************************************************
           Calculator.h  -  simple class for demonstration purposes

                             -------------------
    begin                : Sat 22 Jan 2005
    copyright            : (C) 2002-2010 by Ewald Arnold
    email                : mockpp at ewald-arnold dot de

  $Id: Calculator.h 1491 2010-01-02 22:21:45Z ewald-arnold $

 ***************************************************************************/


static int global_error = 0; // disturb tests

class NetworkError {};

class Calculator
{
  public:

    Calculator (int in_base)
      : base(in_base)
    {}

    int add(int num)
    {
      return base + num + global_error;
    }

    int sub(int num)
    {
      return base - num - global_error;
    }

 private:

   int base;
};

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