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#include "DataFormats/TauReco/interface/PFTau3ProngSummary.h"
#include "TMatrixT.h"
#include "TMatrixTSym.h"
#include "TVectorT.h"
using namespace reco;
PFTau3ProngSummary::PFTau3ProngSummary(reco::PFTauTransverseImpactParameterRef TIP,
TLorentzVector a1,
double vertex_chi2,
double vertex_ndf) {
TIP_ = TIP;
for (unsigned int i = 0; i < nsolutions; i++) {
has3ProngSolution_.push_back(false);
solution_Chi2_.push_back(0);
thetaGJsig_.push_back(0);
tau_p4_.push_back(TLorentzVector(0, 0, 0, 0));
daughter_PDGID_.push_back(std::vector<int>());
daughter_charge_.push_back(std::vector<int>());
daughter_p4_.push_back(std::vector<TLorentzVector>());
}
a1_ = a1;
sv_ = TVector3(TIP_->secondaryVertex()->x(), TIP_->secondaryVertex()->y(), TIP_->secondaryVertex()->z());
svcov_ = TIP_->secondaryVertexCov();
vertex_chi2_ = vertex_chi2;
vertex_ndf_ = vertex_ndf;
}
PFTau3ProngSummary::PFTau3ProngSummary(reco::PFTauTransverseImpactParameterRef TIP,
TLorentzVector a1,
double vertex_chi2,
double vertex_ndf,
TVector3 sv,
CovMatrix svcov) {
TIP_ = TIP;
for (unsigned int i = 0; i < nsolutions; i++) {
has3ProngSolution_.push_back(false);
solution_Chi2_.push_back(0);
thetaGJsig_.push_back(0);
tau_p4_.push_back(TLorentzVector(0, 0, 0, 0));
daughter_PDGID_.push_back(std::vector<int>());
daughter_charge_.push_back(std::vector<int>());
daughter_p4_.push_back(std::vector<TLorentzVector>());
}
a1_ = a1;
sv_ = sv;
svcov_ = svcov;
vertex_chi2_ = vertex_chi2;
vertex_ndf_ = vertex_ndf;
}
PFTau3ProngSummary::PFTau3ProngSummary() {
for (unsigned int i = 0; i < nsolutions; i++) {
has3ProngSolution_.push_back(false);
solution_Chi2_.push_back(0);
thetaGJsig_.push_back(0);
tau_p4_.push_back(TLorentzVector(0, 0, 0, 0));
daughter_PDGID_.push_back(std::vector<int>());
daughter_charge_.push_back(std::vector<int>());
daughter_p4_.push_back(std::vector<TLorentzVector>());
}
}
PFTau3ProngSummary* PFTau3ProngSummary::clone() const { return new PFTau3ProngSummary(*this); }
bool PFTau3ProngSummary::AddSolution(unsigned int solution,
const TLorentzVector& tau,
const std::vector<TLorentzVector>& daughter_p4,
const std::vector<int>& daughter_charge,
const std::vector<int>& daughter_PDGID,
bool has3ProngSolution,
double solutionChi2,
double thetaGJsig) {
if (solution < nsolutions) {
has3ProngSolution_[solution] = true;
solution_Chi2_[solution] = solutionChi2;
thetaGJsig_[solution] = thetaGJsig;
tau_p4_[solution] = tau;
daughter_PDGID_[solution] = daughter_PDGID;
daughter_charge_[solution] = daughter_charge;
daughter_p4_[solution] = daughter_p4;
return true;
}
return false;
}
double PFTau3ProngSummary::M_12() const {
for (unsigned int i = 0; i < has3ProngSolution_.size(); i++) {
if (has3ProngSolution_[i] == true) {
int charge = Tau_Charge();
TLorentzVector LV;
for (unsigned int j = 0; j < daughter_p4_[i].size(); j++) {
if (daughter_charge_[i][j] == charge)
LV += daughter_p4_[i][j];
}
return LV.M();
}
}
return 0.0;
}
double PFTau3ProngSummary::M_13() const {
for (unsigned int i = 0; i < has3ProngSolution_.size(); i++) {
if (has3ProngSolution_[i] == true) {
int charge = Tau_Charge();
TLorentzVector LV_opp;
for (unsigned int j = 0; j < daughter_p4_[i].size(); j++) {
if (daughter_charge_[i][j] == -1 * charge)
LV_opp = daughter_p4_[i][j];
}
TLorentzVector LV_pair;
bool found(false);
for (unsigned int j = 0; j < daughter_p4_[i].size(); j++) {
if (daughter_charge_[i][j] == charge) {
TLorentzVector LV = daughter_p4_[i][j];
LV += LV_opp;
if (!found)
LV_pair = LV;
else if (LV_pair.M() > LV.M())
LV_pair = LV;
found = true;
}
}
if (found)
return LV_pair.M();
}
}
return 0.0;
}
double PFTau3ProngSummary::M_23() const {
for (unsigned int i = 0; i < has3ProngSolution_.size(); i++) {
if (has3ProngSolution_[i] == true) {
int charge = Tau_Charge();
TLorentzVector LV_opp;
for (unsigned int j = 0; j < daughter_p4_[i].size(); j++) {
if (daughter_charge_[i][j] == -1 * charge)
LV_opp = daughter_p4_[i][j];
}
TLorentzVector LV_pair;
bool found(false);
for (unsigned int j = 0; j < daughter_p4_[i].size(); j++) {
if (daughter_charge_[i][j] == charge) {
TLorentzVector LV = daughter_p4_[i][j];
LV += LV_opp;
if (!found)
LV_pair = LV;
else if (LV_pair.M() < LV.M())
LV_pair = LV;
found = true;
}
}
if (found)
return LV_pair.M();
}
}
return 0.0;
}
int PFTau3ProngSummary::Tau_Charge() const {
for (unsigned int i = 0; i < has3ProngSolution_.size(); i++) {
if (has3ProngSolution_[i] == true) {
int charge = 0;
for (unsigned int j = 0; j < daughter_p4_[i].size(); j++)
charge += daughter_charge_[i][j];
return charge;
}
}
return 0;
}
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