/afs/cern.ch/work/a/aaltunda/public/www/CMSSW_5_3_13_patch3/src/PhysicsTools/IsolationUtils/interface/ConeAreaRootFunction.h

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#ifndef PhysicsTools_IsolationUtils_ConeAreaRootFunction_h
#define PhysicsTools_IsolationUtils_ConeAreaRootFunction_h

// -*- C++ -*-
//
// Package:    ConeAreaRootFunction
// Class:      ConeAreaRootFunction
// 
//
// Original Author:  Christian Veelken, UC Davis
//         Created:  Thu Nov  2 13:47:40 CST 2006
// $Id: ConeAreaRootFunction.h,v 1.1 2007/05/23 20:23:08 veelken Exp $
//
//

#include "PhysicsTools/IsolationUtils/interface/ConeAreaFunction.h"

//
// class declaration
//

class ConeAreaRootFunction : public ConeAreaFunction
{
 public:
  ConeAreaRootFunction();
  ConeAreaRootFunction(const ConeAreaRootFunction& bluePrint);
  ~ConeAreaRootFunction();
  
  ConeAreaRootFunction& operator=(const ConeAreaRootFunction& bluePrint);

  void SetParameterConeArea(double coneArea);

  ROOT::Math::IGenFunction* Clone () const { return new ConeAreaRootFunction(*this); }

 private:
  void SetParameters(double* param);

  double DoEval(double x) const;

  double coneArea_; // area covered by cone

  static const unsigned int debugLevel_ = 0;
};

#endif