Project CMSSW displayed by LXR |
|
|
|
|||
File indexing completed on 2024-04-06 12:31:18
0001 // 0002 // 0003 // File: src/Fit_Result.cc 0004 // Purpose: Hold the result from a single kinematic fit. 0005 // Created: Jul, 2000, sss, based on run 1 mass analysis code. 0006 // 0007 // CMSSW File : src/Fit_Result.cc 0008 // Original Author : Scott Stuart Snyder <snyder@bnl.gov> for D0 0009 // Imported to CMSSW by Haryo Sumowidagdo <Suharyo.Sumowidagdo@cern.ch> 0010 // 0011 0012 /** 0013 @file Fit_Result.cc 0014 0015 @brief Hold the result of one kinematic fit. See the documentation 0016 for the header file Fit_Result.h for details. 0017 0018 @author Scott Stuart Snyder <snyder@bnl.gov> 0019 0020 @par Creation date: 0021 Jul 2000. 0022 0023 @par Modification History: 0024 Apr 2009: Haryo Sumowidagdo <Suharyo.Sumowidagdo@cern.ch>: 0025 Imported to CMSSW.<br> 0026 Nov 2009: Haryo Sumowidagdo <Suharyo.Sumowidagdo@cern.ch>: 0027 Added Doxygen tags for automatic generation of documentation. 0028 0029 @par Terms of Usage: 0030 With consent from the original author (Scott Snyder). 0031 0032 */ 0033 0034 #include "TopQuarkAnalysis/TopHitFit/interface/Fit_Result.h" 0035 #include <ostream> 0036 #include <cmath> 0037 0038 using std::abs; 0039 using std::ostream; 0040 0041 namespace hitfit { 0042 0043 Fit_Result::Fit_Result(double chisq, 0044 const Lepjets_Event& ev, 0045 const Column_Vector& pullx, 0046 const Column_Vector& pully, 0047 double umwhad, 0048 double utmass, 0049 double mt, 0050 double sigmt) 0051 // 0052 // Purpose: Constructor. 0053 // 0054 // Inputs: 0055 // chisq - The fit chisq. 0056 // ev - The event kinematics. 0057 // pullx - The pull quantities for the well-measured variables. 0058 // pully - The pull quantities for the poorly-measured variables. 0059 // umwhad - The hadronic W mass before the fit. 0060 // utmass - The top quark mass before the fit. 0061 // mt - The top quark mass after the fit. 0062 // sigmt - The top quark mass uncertainty after the fit. 0063 // 0064 : _chisq(chisq), _umwhad(umwhad), _utmass(utmass), _mt(mt), _sigmt(sigmt), _pullx(pullx), _pully(pully), _ev(ev) {} 0065 0066 double Fit_Result::chisq() const 0067 // 0068 // Purpose: Return the fit chisq. 0069 // 0070 // Returns: 0071 // Return the fit chisq. 0072 // 0073 { 0074 return _chisq; 0075 } 0076 0077 double Fit_Result::umwhad() const 0078 // 0079 // Purpose: Return the hadronic W mass before the fit. 0080 // 0081 // Returns: 0082 // The hadronic W mass before the fit. 0083 // 0084 { 0085 return _umwhad; 0086 } 0087 0088 double Fit_Result::utmass() const 0089 // 0090 // Purpose: Return the top mass before the fit. 0091 // 0092 // Returns: 0093 // The top mass before the fit. 0094 // 0095 { 0096 return _utmass; 0097 } 0098 0099 double Fit_Result::mt() const 0100 // 0101 // Purpose: Return the top mass after the fit. 0102 // 0103 // Returns: 0104 // The top mass after the fit. 0105 // 0106 { 0107 return _mt; 0108 } 0109 0110 double Fit_Result::sigmt() const 0111 // 0112 // Purpose: Return the top mass uncertainty after the fit. 0113 // 0114 // Returns: 0115 // The top mass uncertainty after the fit. 0116 // 0117 { 0118 return _sigmt; 0119 } 0120 0121 const Column_Vector& Fit_Result::pullx() const 0122 // 0123 // Purpose: Return the pull quantities for the well-measured variables. 0124 // 0125 // Returns: 0126 // The pull quantities for the well-measured variables. 0127 // 0128 { 0129 return _pullx; 0130 } 0131 0132 const Column_Vector& Fit_Result::pully() const 0133 // 0134 // Purpose: Return the pull quantities for the poorly-measured variables. 0135 // 0136 // Returns: 0137 // The pull quantities for the poorly-measured variables. 0138 // 0139 { 0140 return _pully; 0141 } 0142 0143 std::vector<int> Fit_Result::jet_types() 0144 // 0145 // Purpose: Returns the jet types of the fit 0146 // 0147 { 0148 return _ev.jet_types(); 0149 } 0150 0151 const Lepjets_Event& Fit_Result::ev() const 0152 // 0153 // Purpose: Return the event kinematic quantities after the fit. 0154 // 0155 // Returns: 0156 // The event kinematic quantities after the fit. 0157 // 0158 { 0159 return _ev; 0160 } 0161 0162 /** 0163 @brief Sort fit results based on their \f$\chi^{2}\f$. 0164 0165 @param a The first instance of Fit_Result to compare. 0166 0167 @param b The second instance of Fit_Result to compare. 0168 0169 @par Return: 0170 <b>TRUE</b> if the first instance has smaller absolute value of 0171 \f$\chi^{2}\f$ than b.<br> 0172 <b>FALSE</b> all other cases. 0173 */ 0174 bool operator<(const Fit_Result& a, const Fit_Result& b) 0175 // 0176 // Purpose: Compare two objects by chisq. 0177 // The use of abs() is to make sure that the -1000 flags 0178 // go to the end. 0179 // 0180 // Inputs: 0181 // a - The first object to compare. 0182 // b - The second object to compare. 0183 // 0184 // Returns: 0185 // The result of the comparison. 0186 // 0187 { 0188 return abs(a._chisq) < abs(b._chisq); 0189 } 0190 0191 /** 0192 @brief Output stream operator, print the content of this Fit_Result to 0193 an output stream. 0194 0195 @param s The output stream to which to write. 0196 0197 @param res The instance of Fit_Result to be printed. 0198 */ 0199 std::ostream& operator<<(std::ostream& s, const Fit_Result& res) 0200 // 0201 // Purpose: Print the object to S. 0202 // 0203 // Inputs: 0204 // s - The stream to which to write. 0205 // res - The object to write. 0206 // 0207 // Returns: 0208 // The stream S. 0209 // 0210 { 0211 s << "chisq: " << res._chisq << "\n"; 0212 s << "umwhad: " << res._umwhad << "\n"; 0213 s << "utmass: " << res._utmass << "\n"; 0214 s << "mt: " << res._mt << "\n"; 0215 s << "sigmt: " << res._sigmt << "\n"; 0216 s << res._ev; 0217 s << "pullx: " << res._pullx.T(); 0218 s << "pully: " << res._pully.T(); 0219 return s; 0220 } 0221 0222 } // namespace hitfit
| [ Source navigation ] | [ Diff markup ] | [ Identifier search ] | [ general search ] |
|
This page was automatically generated by the 2.2.1 LXR engine. The LXR team |
|