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__