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/data/refman/pasoursint/CMSSW_5_3_8_patch3/src/TopQuarkAnalysis/TopEventSelection/src/TtSemiLRSignalSelCalc.cc

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00001 //
00002 // Author:  Jan Heyninck
00003 // Created: Tue Apr  3 17:33:23 PDT 2007
00004 //
00005 // $Id: TtSemiLRSignalSelCalc.cc,v 1.3 2008/02/17 11:18:10 rwolf Exp $
00006 //
00007 #include "TopQuarkAnalysis/TopEventSelection/interface/TtSemiLRSignalSelCalc.h"
00008 
00009 // constructor with path; default should not be used
00010 TtSemiLRSignalSelCalc::TtSemiLRSignalSelCalc(TString fitInputPath, std::vector<int> observables) 
00011 {
00012   std::cout << "=== Constructing a TtSemiLRSignalSelCalc... " << std::endl; 
00013   myLR = new LRHelpFunctions();
00014   addPurity = false;
00015   if(observables[0] == -1) addPurity = true;
00016   myLR -> readObsHistsAndFits(fitInputPath, observables, addPurity);
00017   std::cout << "=== done." << std::endl; 
00018 }
00019 
00020 TtSemiLRSignalSelCalc::~TtSemiLRSignalSelCalc() 
00021 {
00022   delete myLR;
00023 }
00024 
00025 void  TtSemiLRSignalSelCalc::operator()(TtSemiEvtSolution & sol)
00026 {
00027   // find the used observables
00028   std::vector<double> obsVals;
00029   for(unsigned int o = 0; o<100; o++){
00030     if( myLR->obsFitIncluded(o) ) obsVals.push_back(sol.getLRSignalEvtObsVal(o)); 
00031   }
00032   
00033   // calculate the logLR and the purity
00034   double logLR = myLR->calcLRval(obsVals);
00035   double prob  = -999.;
00036   if(addPurity) prob = myLR->calcProb(logLR);
00037   
00038   // fill these values to the members in the TtSemiEvtSolution
00039   sol.setLRSignalEvtLRval(logLR);
00040   sol.setLRSignalEvtProb(prob);
00041 }