bayesException.hpp

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#ifndef _BAYES_FILTER_EXCEPTION
#define _BAYES_FILTER_EXCEPTION

/*
 * Bayes++ the Bayesian Filtering Library
 * Copyright (c) 2002 Michael Stevens
 * See accompanying Bayes++.htm for terms and conditions of use.
 *
 * $Id$
 */

/*
 * Exception types: Exception hierarchy for Bayesian filtering
 */
 
// Common headers required for declerations
#include <exception>

/* Filter namespace */
namespace Bayesian_filter
{


class Filter_exception : virtual public std::exception
/*
 *  Base class for all exception produced by filter hierarchy
 */
{
public:
    const char *what() const throw()
    {   return error_description;
    }
protected:
    Filter_exception (const char* description)
    {   error_description = description;
    }
private:
    const char* error_description;
};

class Logic_exception : virtual public Filter_exception
/*
 * Logic Exception
 */
{
public:
    Logic_exception (const char* description) :
        Filter_exception (description)
    {}
};

class Numeric_exception : virtual public Filter_exception
/*
 * Numeric Exception
 */
{
public:
    Numeric_exception (const char* description) :
        Filter_exception (description)
    {}
};


}//namespace
#endif