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ClusterSequenceWithArea.hh

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00001 //STARTHEADER
00002 // $Id: ClusterSequenceWithArea.hh 430 2007-01-19 17:00:57Z salam $
00003 //
00004 // Copyright (c) 2005-2006, Matteo Cacciari and Gavin Salam
00005 //
00006 //----------------------------------------------------------------------
00007 // This file is part of FastJet.
00008 //
00009 //  FastJet is free software; you can redistribute it and/or modify
00010 //  it under the terms of the GNU General Public License as published by
00011 //  the Free Software Foundation; either version 2 of the License, or
00012 //  (at your option) any later version.
00013 //
00014 //  The algorithms that underlie FastJet have required considerable
00015 //  development and are described in hep-ph/0512210. If you use
00016 //  FastJet as part of work towards a scientific publication, please
00017 //  include a citation to the FastJet paper.
00018 //
00019 //  FastJet is distributed in the hope that it will be useful,
00020 //  but WITHOUT ANY WARRANTY; without even the implied warranty of
00021 //  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00022 //  GNU General Public License for more details.
00023 //
00024 //  You should have received a copy of the GNU General Public License
00025 //  along with FastJet; if not, write to the Free Software
00026 //  Foundation, Inc.:
00027 //      59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
00028 //----------------------------------------------------------------------
00029 //ENDHEADER
00030 
00031 #ifndef __FASTJET_CLUSTERSEQUENCEWITHAREA_HH__
00032 #define __FASTJET_CLUSTERSEQUENCEWITHAREA_HH__
00033 
00034 #include "fastjet/ClusterSequence.hh"
00035 
00036 FASTJET_BEGIN_NAMESPACE
00037 
00043 class ClusterSequenceWithArea : public ClusterSequence {
00044 public:
00045   
00048   template<class L> ClusterSequenceWithArea
00049          (const std::vector<L> & pseudojets, 
00050           const JetDefinition & jet_def,
00051           const bool & writeout_combinations = false) :
00052            ClusterSequence(pseudojets, jet_def, writeout_combinations) {}
00053 
00054 
00056   ClusterSequenceWithArea() {}
00057 
00058 
00060   virtual ~ClusterSequenceWithArea() {}
00061 
00062 
00065   virtual double area       (const PseudoJet & jet) const {return 0.0;}
00066 
00067 
00070   virtual double area_error (const PseudoJet & jet) const {return 0.0;}
00071 
00072 
00084   virtual PseudoJet area_4vector(const PseudoJet & jet) const {
00085     return PseudoJet(0.0,0.0,0.0,0.0);}
00086 
00087 };
00088 
00089 
00090 
00091 FASTJET_END_NAMESPACE
00092 
00093 #endif // __FASTJET_CLUSTERSEQUENCEWITHAREA_HH__

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