RooConvIntegrandBinding.h

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/*****************************************************************************
 * Project: RooFit                                                           *
 * Package: RooFitCore                                                       *
 *    File: $Id: RooConvIntegrandBinding.h,v 1.3 2007/05/11 09:11:30 verkerke Exp $
 * 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_CONV_INTEGRAND_BINDING
#define ROO_CONV_INTEGRAND_BINDING
 
#include "RooAbsFunc.h"
 
class RooAbsRealLValue;
class RooAbsReal;
class RooArgSet;
 
// RooAbsFunc representation of convolution integrands
class RooConvIntegrandBinding : public RooAbsFunc {
public:
   RooConvIntegrandBinding(const RooAbsReal &func, const RooAbsReal &model, RooAbsReal &x, RooAbsReal &xprime,
                           const RooArgSet *nset = nullptr, bool clipInvalid = false);
   ~RooConvIntegrandBinding() override;
 
   double operator()(const double xvector[]) const override;
   double getMinLimit(UInt_t dimension) const override;
   double getMaxLimit(UInt_t dimension) const override;
   inline void setNormalizationSet(const RooArgSet *nset)
   {
      // Use the supplied nset as normalization set for calls to func and model
      _nset = nset;
   }
 
protected:
   void loadValues(const double xvector[], bool clipInvalid = false) const;
 
   const RooAbsReal *_func;  ///< Pointer to input function
   const RooAbsReal *_model; ///< Pointer to input resolution model
 
   RooAbsRealLValue **_vars; ///< Array of pointers to variables
   const RooArgSet *_nset;   ///< Normalization set to be used for function evaluations
   mutable bool _xvecValid;  ///< If true _xvec defines a valid point
   bool _clipInvalid;        ///< If true, invalid x values are clipped into their valid range
};
 
#endif