RooGenFunction.h

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/*****************************************************************************
 * Project: RooFit                                                           *
 * Package: RooFitCore                                                       *
 * @(#)root/roofitcore:$Id$
 * Authors:                                                                  *
 *   WV, Wouter Verkerke, UC Santa Barbara, verkerke@slac.stanford.edu       *
 *   DK, David Kirkby,    UC Irvine,         dkirkby@uci.edu                 *
 *                                                                           *
 * Copyright (c) 2000-2005, Regents of the University of California          *
 *                          and Stanford University. All rights reserved.    *
 *                                                                           *
 * Redistribution and use in source and binary forms,                        *
 * with or without modification, are permitted according to the terms        *
 * listed in LICENSE (http://roofit.sourceforge.net/license.txt)             *
 *****************************************************************************/
#ifndef ROO_GEN_FUNCTION
#define ROO_GEN_FUNCTION
 
#include "RooFunctor.h"
#include "Math/IFunction.h"
 
class RooGenFunction : public ROOT::Math::IGenFunction {
 
public:
  RooGenFunction(const RooAbsReal& func, const RooArgList& observables, const RooArgList& parameters) ;
  RooGenFunction(const RooAbsReal& func, const RooArgList& observables, const RooArgList& parameters, const RooArgSet& nset) ;
  RooGenFunction(const RooGenFunction& other) ;
  ~RooGenFunction() override ;
 
  ROOT::Math::IBaseFunctionOneDim* Clone() const override {
    return new RooGenFunction(*this) ;
  }
 
protected:
 
  double DoEval(double) const override ;
 
  RooFunctor _ftor ;
 
  ClassDef(RooGenFunction,0) // Export RooAbsReal as functor
};
 
#endif