/usr/include/fastjet/TrackJetPlugin.hh is in libfastjetplugins-dev 3.0.6+dfsg-3.
This file is owned by root:root, with mode 0o644.
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// $Id: TrackJetPlugin.hh 2758 2011-11-24 08:31:58Z soyez $
//
// Copyright (c) 2007-2011, Matteo Cacciari, Gavin P. Salam and Gregory Soyez
//
//----------------------------------------------------------------------
// This file is part of FastJet.
//
// FastJet is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// The algorithms that underlie FastJet have required considerable
// development and are described in hep-ph/0512210. If you use
// FastJet as part of work towards a scientific publication, please
// include a citation to the FastJet paper.
//
// FastJet 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 General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with FastJet. If not, see <http://www.gnu.org/licenses/>.
//----------------------------------------------------------------------
//ENDHEADER
#ifndef __TRACKJETPLUGIN_HH__
#define __TRACKJETPLUGIN_HH__
#include "fastjet/JetDefinition.hh"
// questionable whether this should be in fastjet namespace or not...
FASTJET_BEGIN_NAMESPACE // defined in fastjet/internal/base.hh
// another forward declaration to reduce includes
class PseudoJet;
//----------------------------------------------------------------------
/// @ingroup plugins
/// \class TrackJetPlugin
/// Implementation of the TrackJet algorithm (plugin for fastjet v2.4 upwards)
//
class TrackJetPlugin : public JetDefinition::Plugin {
public:
/// Main constructor for the TrackJet Plugin class.
///
/// The argument is an initialised list of jet algorithms
/// \param _radius the distance at which point a particle is no longer
/// recombied into the jet
/// \param jet_recombination_scheme the recombination scheme used to
/// sum the 4-vecors inside the jet
/// \param track_recombination_scheme the recombination scheme used to
/// sum the 4-vecors when accumulating
/// track into a the jet
/// Both recombiners are defaulted to pt_scheme recomb as for the Rivet
/// implementation.
TrackJetPlugin (double radius,
RecombinationScheme jet_recombination_scheme=pt_scheme,
RecombinationScheme track_recombination_scheme=pt_scheme){
_radius = radius;
_radius2 = radius*radius;
_jet_recombiner = JetDefinition::DefaultRecombiner(jet_recombination_scheme);
_track_recombiner = JetDefinition::DefaultRecombiner(track_recombination_scheme);
}
/// copy constructor
TrackJetPlugin (const TrackJetPlugin & plugin) {
*this = plugin;
}
// the things that are required by base class
virtual std::string description () const;
virtual void run_clustering(ClusterSequence &) const;
/// the plugin mechanism's standard way of accessing the jet radius
/// here we return the R of the last alg in the list
virtual double R() const {return _radius;}
private:
double _radius, _radius2;
JetDefinition::DefaultRecombiner _jet_recombiner;
JetDefinition::DefaultRecombiner _track_recombiner;
static bool _first_time;
/// print a banner for reference to the 3rd-party code
void _print_banner(std::ostream *ostr) const;
};
FASTJET_END_NAMESPACE // defined in fastjet/internal/base.hh
#endif // __TRACKJETPLUGIN_HH__
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