E:/dev/eLynx/include/elx/math/BellCurve.h

//============================================================================
//  BellCurve.h                                         Math.Component package
//============================================================================
//  Usage : 2D gaussian curve (implementing IFunctionNL interface)
//----------------------------------------------------------------------------
//  Copyright (C) 2006 by eLynx project
//
//  This library is free software; you can redistribute it and/or
//  modify it under the terms of the GNU Library General Public
//  License as published by the Free Software Foundation; either
//  version 2 of the License, or (at your option) any later version.
//
//  This library is distributed in the hope that it will be useful,
//  but WITHOUT ANY WARRANTY; without even the implied warranty of
//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
//  See the GNU Library General Public License for more details.
//----------------------------------------------------------------------------
#ifndef __BellCurve_h__
#define __BellCurve_h__

#include <elx/math/IFunctionNL.h>

namespace eLynx {
namespace Math {
  
class ExportedByMath BellCurve : public IFunctionNL {
  
public:

  BellCurve() {}
  
  virtual uint32 GetVariablesCount() const { return 1; }
  
  virtual uint32 GetParametersCount() const { return 3; };
  
  virtual double Evaluate(const IVector &iVars, 
    const IVector &iParams) const;
    
  virtual double EvalDerivativeByParam(const IVector &iVars, 
    const IVector &iParams, uint32 iByParam) const;
    
private:

  void CheckInputs(const IVector &iVars, const IVector &iParams) const;  
};

} // namespace Math
} // namespace eLynx

#endif //__BellCurve_h__