NestedDefsPlugin.hh

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//STARTHEADER
// $Id: NestedDefsPlugin.hh 1394 2009-01-17 05:08:31Z soyez $
//
// Copyright (c) 2007-2008, Matteo Cacciari, Gavin 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
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//  The algorithms that underlie FastJet have required considerable
//  development and are described in hep-ph/0512210. If you use
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#ifndef __NESTEDALGSPLUGIN_HH__
#define __NESTEDALGSPLUGIN_HH__

#include "fastjet/JetDefinition.hh"
#include <list>
#include <memory>
#include <cmath>

// 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;

//----------------------------------------------------------------------
//
//
class NestedDefsPlugin : public JetDefinition::Plugin {
public:
  NestedDefsPlugin (std::list<JetDefinition> &defs) :
    _defs(defs){}

  NestedDefsPlugin (const NestedDefsPlugin & plugin) {
    *this = plugin;
  }

  // the things that are required by base class
  virtual std::string description () const;
  virtual void run_clustering(ClusterSequence &) const;
  virtual double R() const {return _defs.rbegin()->R();}

private:
  std::list<JetDefinition> _defs;
};

FASTJET_END_NAMESPACE        // defined in fastjet/internal/base.hh

#endif // __SISCONEPLUGIN_HH__