FastJet 3.0beta1
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00001 //STARTHEADER 00002 // $Id: FunctionOfPseudoJet.cc 2319 2011-06-30 12:46:38Z salam $ 00003 // 00004 // Copyright (c) 2005-2011, Matteo Cacciari, Gavin Salam and Gregory Soyez 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 #include <fastjet/FunctionOfPseudoJet.hh> 00032 #include <string> 00033 #include <sstream> 00034 00035 using namespace std; 00036 00037 FASTJET_BEGIN_NAMESPACE 00038 00039 // //---------------------------------------------------------------------- 00040 // /// helper for the selector "FunctionOfPJ(jet) > ref" 00041 // class SW_FofPJ_larger : public SelectorWorker { 00042 // public: 00043 // /// ctor with specification of the number of objects to keep 00044 // SW_FofPJ_larger(const FunctionOfPseudoJet<double> & fn, const double &ref) 00045 // : _fn(fn), _ref(ref){} 00046 // 00047 // /// return true if the jet is a pure-ghost jet 00048 // virtual bool pass(const PseudoJet & jet) const { return _fn(jet) > _ref; } 00049 // 00050 // /// returns a description of the worker 00051 // virtual string description() const { 00052 // ostringstream oss; 00053 // oss << "(" << _fn.description() << " > " << _ref << ")"; 00054 // return oss.str(); 00055 // } 00056 // 00057 // protected: 00058 // const FunctionOfPseudoJet<double> & _fn; 00059 // double _ref; 00060 // }; 00061 // 00062 // 00063 // // select objects that are (or are only made of) ghosts 00064 // Selector operator >(const FunctionOfPseudoJet<double> & fn, const double & ref){ 00065 // return Selector(new SW_FofPJ_larger(fn, ref)); 00066 // } 00067 // 00068 // 00069 // 00070 // //---------------------------------------------------------------------- 00071 // /// helper for the selector "FunctionOfPJ(jet) < ref" 00072 // class SW_FofPJ_smaller : public SelectorWorker { 00073 // public: 00074 // /// ctor with specification of the number of objects to keep 00075 // SW_FofPJ_smaller(const FunctionOfPseudoJet<double> & fn, const double &ref) 00076 // : _fn(fn), _ref(ref){} 00077 // 00078 // /// return true if the jet is a pure-ghost jet 00079 // virtual bool pass(const PseudoJet & jet) const { return _fn(jet) < _ref; } 00080 // 00081 // /// returns a description of the worker 00082 // virtual string description() const { 00083 // ostringstream oss; 00084 // oss << "(" << _fn.description() << " < " << _ref << ")"; 00085 // return oss.str(); 00086 // } 00087 // 00088 // protected: 00089 // const FunctionOfPseudoJet<double> & _fn; 00090 // double _ref; 00091 // }; 00092 // 00093 // 00094 // // select objects that are (or are only made of) ghosts 00095 // Selector operator <(const FunctionOfPseudoJet<double> & fn, const double & ref){ 00096 // return Selector(new SW_FofPJ_smaller(fn, ref)); 00097 // } 00098 // 00099 // 00100 // //---------------------------------------------------------------------- 00101 // /// helper for the selector "FunctionOfPJ(jet) >= ref" 00102 // class SW_FofPJ_larger_equal : public SelectorWorker { 00103 // public: 00104 // /// ctor with specification of the number of objects to keep 00105 // SW_FofPJ_larger_equal(const FunctionOfPseudoJet<double> & fn, const double &ref) 00106 // : _fn(fn), _ref(ref){} 00107 // 00108 // /// return true if the jet is a pure-ghost jet 00109 // virtual bool pass(const PseudoJet & jet) const { return _fn(jet) >= _ref; } 00110 // 00111 // /// returns a description of the worker 00112 // virtual string description() const { 00113 // ostringstream oss; 00114 // oss << "(" << _fn.description() << " >= " << _ref << ")"; 00115 // return oss.str(); 00116 // } 00117 // 00118 // protected: 00119 // const FunctionOfPseudoJet<double> & _fn; 00120 // double _ref; 00121 // }; 00122 // 00123 // 00124 // // select objects that are (or are only made of) ghosts 00125 // Selector operator >=(const FunctionOfPseudoJet<double> & fn, const double & ref){ 00126 // return Selector(new SW_FofPJ_larger_equal(fn, ref)); 00127 // } 00128 // 00129 // 00130 // 00131 // //---------------------------------------------------------------------- 00132 // /// helper for the selector "FunctionOfPJ(jet) <= ref" 00133 // class SW_FofPJ_smaller_equal : public SelectorWorker { 00134 // public: 00135 // /// ctor with specification of the number of objects to keep 00136 // SW_FofPJ_smaller_equal(const FunctionOfPseudoJet<double> & fn, const double &ref) 00137 // : _fn(fn), _ref(ref){} 00138 // 00139 // /// return true if the jet is a pure-ghost jet 00140 // virtual bool pass(const PseudoJet & jet) const { return _fn(jet) <= _ref; } 00141 // 00142 // /// returns a description of the worker 00143 // virtual string description() const { 00144 // ostringstream oss; 00145 // oss << "(" << _fn.description() << " <= " << _ref << ")"; 00146 // return oss.str(); 00147 // } 00148 // 00149 // protected: 00150 // const FunctionOfPseudoJet<double> & _fn; 00151 // double _ref; 00152 // }; 00153 // 00154 // 00155 // // select objects that are (or are only made of) ghosts 00156 // Selector operator <=(const FunctionOfPseudoJet<double> & fn, const double & ref){ 00157 // return Selector(new SW_FofPJ_smaller_equal(fn, ref)); 00158 // } 00159 // 00160 00161 FASTJET_END_NAMESPACE