Changes in / [7dac4ea:4afb18d] in git
- Files:
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- 2 deleted
- 6 edited
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examples/ExampleClCount.C (deleted)
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examples/ExamplePVtxFind.C (modified) (9 diffs)
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examples/ExamplePVtxFit.C (modified) (6 diffs)
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examples/ExamplePVtxFitEC.C (deleted)
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examples/Pythia8/ee_zh.cmnd (modified) (3 diffs)
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external/TrackCovariance/ObsTrk.cc (modified) (2 diffs)
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external/TrackCovariance/VertexFit.cc (modified) (21 diffs)
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external/TrackCovariance/VertexFit.h (modified) (2 diffs)
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- Removed
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examples/ExamplePVtxFind.C
r7dac4ea r4afb18d 51 51 // Load selected branches with data from specified event 52 52 treeReader->ReadEntry(entry); 53 Int_t Ntr = 0; // # of starting tracks used in primary vertex 53 54 Int_t NtrG = branchTrack->GetEntries(); 54 if(entry%500 ==0)std::cout << "Event "<<entry<<"opened containing " << NtrG << " tracks" << std::endl;55 //std::cout << "Event opened containing " << NtrG << " tracks" << std::endl; 55 56 TVectorD** pr = new TVectorD * [NtrG]; 56 57 TMatrixDSym** cv = new TMatrixDSym * [NtrG]; … … 62 63 // 63 64 Double_t Nprim = 0.0; 64 Double_t xpv = 0.0; // Init true primary vertex position65 Double_t ypv = 0.0;66 Double_t zpv = 0.0;67 65 if (branchTrack->GetEntries() > 0) 68 66 { … … 82 80 //std::cout << "Got track parameters for track " << it << std::endl; 83 81 // 84 // Load all tracks for vertex fit 85 Double_t oPar[5] = { obsD0, obsPhi, obsC, obsZ0, obsCtg }; 86 TVectorD obsPar(5, oPar); // Fill observed parameters 87 pr[it] = new TVectorD(obsPar); 88 cv[it] = new TMatrixDSym(trk->CovarianceMatrix()); 89 //std::cout << "Track loaded it= " << it << std::endl; 90 // 91 // Find true primary vertex 82 // Load tracks for vertex fit if impact parameters is not ridiculous 83 Double_t Dmax = 1.0; // max is 1 mm 84 if (TMath::Abs(obsD0) < Dmax) { 85 Double_t oPar[5] = { obsD0, obsPhi, obsC, obsZ0, obsCtg }; 86 TVectorD obsPar(5, oPar); // Fill observed parameters 87 pr[Ntr] = new TVectorD(obsPar); 88 cv[Ntr] = new TMatrixDSym(trk->CovarianceMatrix()); 89 Ntr++; 90 //std::cout << "Track loaded Ntr= " << Ntr << std::endl; 91 } 92 // 93 // Get associated generated particle 92 94 GenParticle* gp = (GenParticle*)trk->Particle.GetObject(); 93 95 //std::cout << "GenParticle pointer "<<gp << std::endl; … … 97 99 Double_t y = gp->Y; 98 100 Double_t z = gp->Z; 99 Bool_t prim = kTRUE; // Is primary? 100 Int_t mp = gp->M1; // Mother 101 while (mp > 0) { 102 GenParticle* gm = 103 (GenParticle*)branchGenPart->At(mp); 104 Double_t xm = gm->X; 105 Double_t ym = gm->Y; 106 Double_t zm = gm->Z; 107 if (x != xm || y != ym || z != zm) { 108 prim = kFALSE; 109 break; 110 } 111 else mp = gm->M1; 112 } 113 if (prim) { // It's a primary track 114 Nprim++; 115 xpv = x; // Store true primary 116 ypv = y; 117 zpv = z; 118 } 101 //std::cout << "Got position of origin " << std::endl; 102 // 103 // Count tracks originating from the primary vertex 104 if (x == 0.0 && y == 0.0) Nprim++; 119 105 120 106 } // End loop on tracks 121 107 } 122 108 // 123 // Find primary vertex 124 // 125 //Beam constraint 126 TVectorD xpvc(3); 127 xpvc(0) = 1.0; 128 xpvc(1) = -2.0; 129 xpvc(2) = 10.0; 130 TMatrixDSym covpvc(3); covpvc.Zero(); 131 covpvc(0, 0) = 0.0097 * 0.0097; 132 covpvc(1, 1) = 2.55e-05 * 2.55e-05; 133 covpvc(2, 2) = 0.64 * 0.64; 134 // 135 // 136 // Skim tracks 137 Int_t nSkim = 0; 138 Int_t* nSkimmed = new Int_t[NtrG]; 139 VertexFit* Vskim = new VertexFit(); 140 Vskim->AddVtxConstraint(xpvc, covpvc); 141 Double_t MaxChi2 = 2.0+3*sqrt(2.); 142 for (Int_t n = 0; n < NtrG; n++) { 143 Vskim->AddTrk(pr[n], cv[n]); 144 Double_t Chi2One = Vskim->GetVtxChi2(); 145 //std::cout<<"Track "<<n<<", Chi2 = "<<Chi2One<<std::endl; 146 if (Chi2One < MaxChi2) { 147 nSkimmed[nSkim] = n; 148 //std::cout << "nSkimmed[" << nSkim << "] = " << n << std::endl; 149 nSkim++; 150 } 151 Vskim->RemoveTrk(0); 152 } 153 // Load tracks for primary fit 154 Int_t MinTrk = 1; // Minumum # tracks for vertex fit 155 TVectorD** PrFit = new TVectorD * [nSkim]; 156 TMatrixDSym** CvFit = new TMatrixDSym * [nSkim]; 157 if (nSkim >= MinTrk) { 158 for (Int_t n = 0; n < nSkim; n++) { 159 PrFit[n] = new TVectorD(*pr[nSkimmed[n]]); 160 CvFit[n] = new TMatrixDSym(*cv[nSkimmed[n]]); 161 TVectorD test = *PrFit[n]; 162 //std::cout << "Test *PrFit[" << n << "](0) = " << test(0) << std::endl; 163 } 164 } 165 delete[] nSkimmed; 166 delete Vskim; 167 Int_t Nfound = nSkim; 168 if(entry%500 ==0)std::cout << "Found tracks "<<Nfound << std::endl; 169 if (nSkim >= MinTrk) { 170 VertexFit* Vtx = new VertexFit(nSkim, PrFit, CvFit); 109 // Fit primary vertex 110 // 111 Int_t Nfound = Ntr; 112 //std::cout << "Found tracks "<<Nfound << std::endl; 113 Int_t MinTrk = 2; // Minumum # tracks for vertex fit 114 Double_t MaxChi2 = 6.; 115 if (Ntr >= MinTrk) { 116 VertexFit* Vtx = new VertexFit(Ntr, pr, cv); 171 117 //std::cout << "Vertex fit created " << std::endl; 172 Vtx->AddVtxConstraint(xpvc, covpvc);173 118 // 174 119 // Remove tracks with large chi2 175 Double_t MaxChi2Fit = 9.;176 120 Bool_t Done = kFALSE; 177 while (!Done) 121 while (!Done){ 178 122 //std::cout << "After while " << std::endl; 179 123 // Find largest Chi2 contribution … … 186 130 Double_t Chi2Mx = Chi2L[iMax]; 187 131 //std::cout << "Chi2Mx "<<Chi2Mx << std::endl; 188 if (Chi2Mx > MaxChi2Fit && Nfound > 2) { 189 //std::cout << "Before remove. Nfound = "<<Nfound << std::endl; 190 Vtx->RemoveTrk(iMax); 191 //std::cout << "After remove." << std::endl; 132 if (Chi2Mx > MaxChi2 && Nfound > 2) { 133 Vtx->RemoveTrk(iMax); 192 134 Nfound--; 193 135 } … … 203 145 // 204 146 // Require minimum number of tracks in vertex 205 Int_t Nmin = 2;147 Int_t Nmin = 4; 206 148 if (Nfound >= Nmin) { 207 149 TVectorD xvtx = Vtx->GetVtx(); … … 209 151 TMatrixDSym covX = Vtx->GetVtxCov(); 210 152 Double_t Chi2 = Vtx->GetVtxChi2(); 211 Double_t Ndof = 2 * (Double_t)Nfound ;212 Double_t PullX = (xvtx(0) - xpv) / TMath::Sqrt(covX(0, 0));213 Double_t PullY = (xvtx(1) - ypv) / TMath::Sqrt(covX(1, 1));214 Double_t PullZ = (xvtx(2) - zpv) / TMath::Sqrt(covX(2, 2));153 Double_t Ndof = 2 * (Double_t)Nfound - 3; 154 Double_t PullX = xvtx(0) / TMath::Sqrt(covX(0, 0)); 155 Double_t PullY = xvtx(1) / TMath::Sqrt(covX(1, 1)); 156 Double_t PullZ = xvtx(2) / TMath::Sqrt(covX(2, 2)); 215 157 // 216 158 // Fill histograms … … 231 173 // 232 174 // Cleanup 233 for (Int_t i = 0; i < NtrG; i++) delete pr[i]; 234 for (Int_t i = 0; i < NtrG; i++) delete cv[i]; 235 for (Int_t i = 0; i < nSkim; i++) delete PrFit[i]; 236 for (Int_t i = 0; i < nSkim; i++) delete CvFit[i]; 175 for (Int_t i = 0; i < Ntr; i++) delete pr[i]; 176 for (Int_t i = 0; i < Ntr; i++) delete cv[i]; 237 177 delete[] pr; 238 178 delete[] cv; 239 delete[] PrFit;240 delete[] CvFit;241 179 } 242 180 // … … 257 195 CnvN->cd(1); 258 196 hTrPrim->Draw(); 259 CnvN-> cd(2);197 CnvN-> cd(2); 260 198 hTrFound->SetLineColor(kRed); 261 199 hTrFound->Draw(); -
examples/ExamplePVtxFit.C
r7dac4ea r4afb18d 14 14 15 15 #endif 16 17 16 18 17 … … 46 45 // Load selected branches with data from specified event 47 46 treeReader->ReadEntry(entry); 48 //49 47 Int_t Ntr = 0; // # of tracks from primary vertex 50 48 Int_t NtrG = branchTrack->GetEntries(); 51 49 TVectorD** pr = new TVectorD * [NtrG]; 52 50 TMatrixDSym** cv = new TMatrixDSym * [NtrG]; 53 //54 // True vertex55 Double_t xpv, ypv, zpv;56 51 // If event contains at least 1 track 57 52 // … … 65 60 // Get associated generated particle 66 61 GenParticle* gp = (GenParticle*)trk->Particle.GetObject(); 67 TVector3 xg(1.e-3*gp->X,1.e-3*gp->Y,1.e-3*gp->Z);68 TVector3 pg(gp->Px,gp->Py,gp->Pz);69 Double_t Q = (Double_t)gp->Charge;70 Double_t Bz = 2.0;71 TVectorD genParM =TrkUtil:: XPtoPar(xg, pg, Q, Bz);72 TVectorD genPar = TrkUtil::ParToMm(genParM);73 62 // 74 63 // Position of origin in mm … … 76 65 Double_t y = gp->Y; 77 66 Double_t z = gp->Z; 78 Bool_t prim = kTRUE; // Is primary?79 Int_t mp = gp->M1; // Mother80 while(mp>0){81 GenParticle* gm =82 (GenParticle*)branchGenPart->At(mp);83 Double_t xm = gm->X;84 Double_t ym = gm->Y;85 Double_t zm = gm->Z;86 if(x!=xm || y!=ym || z!=zm){87 prim = kFALSE;88 break;89 }else mp = gm->M1;90 }91 67 // 92 68 // group tracks originating from the primary vertex 93 if ( prim)69 if (x == 0.0 && y == 0.0) 94 70 { 95 //std::cout<<"Event: "<<entry<<", track: "<<it;96 //std::cout<<", x = "<<x<<", y = "<<y<<", z = "<<z<<std::endl;97 xpv = x;98 ypv = y;99 zpv = z;100 71 // 101 72 // Reconstructed track parameters … … 104 75 Double_t obsC = trk->C; 105 76 Double_t obsZ0 = trk->DZ; 106 //std::cout<<"Z0 track = "<< obsZ0107 //<<", gen Z0 = "<<genPar(3)108 //<<", gen cot = "<<genPar(4)<<std::endl;109 77 Double_t obsCtg = trk->CtgTheta; 110 78 Double_t oPar[5] = { obsD0, obsPhi, obsC, obsZ0, obsCtg }; … … 128 96 Double_t Chi2 = Vtx->GetVtxChi2(); 129 97 Double_t Ndof = 2 * (Double_t)Ntr - 3; 130 Double_t PullX = (xvtx(0)-xpv) / TMath::Sqrt(covX(0, 0)); 131 Double_t PullY = (xvtx(1)-ypv) / TMath::Sqrt(covX(1, 1)); 132 Double_t PullZ = (xvtx(2)-zpv) / TMath::Sqrt(covX(2, 2)); 133 //std::cout<<"**** True vertex (x, y, z) "<<xpv<<", " 134 //<<ypv<<", "<<zpv<<std::endl; 135 //std::cout<<"**** Found vertex (x, y, z) "<<xvtx(0)<<", " 136 //<<xvtx(1)<<", "<<xvtx(2)<<std::endl; 98 Double_t PullX = xvtx(0) / TMath::Sqrt(covX(0, 0)); 99 Double_t PullY = xvtx(1) / TMath::Sqrt(covX(1, 1)); 100 Double_t PullZ = xvtx(2) / TMath::Sqrt(covX(2, 2)); 137 101 // 138 102 // Fill histograms -
examples/Pythia8/ee_zh.cmnd
r7dac4ea r4afb18d 1 1 2 ! number of events to generate3 2 Main:numberOfEvents = 1000 ! number of events to generate 4 3 … … 8 7 9 8 ! Vertex smearing : 9 !Beams:allowVertexSpread = on 10 !Beams:sigmaVertexX = 9.70e-3 ! 13.7 mum / sqrt2 11 !Beams:sigmaVertexY = 25.5E-6 ! 36.1 nm / sqrt2 12 !Beams:sigmaVertexZ = 0.64 ! 0.64 mm 13 !Beams:sigmaTime = 0.64 ! 0.64 mm 14 ï¿Œ 10 15 11 Beams:allowVertexSpread = on12 Beams:sigmaVertexX = 9.70e-3 ! 13.7 mum / sqrt213 Beams:sigmaVertexY = 25.5E-6 ! 36.1 nm / sqrt214 Beams:sigmaVertexZ = 0.64 ! 0.64 mm15 Beams:sigmaTime = 0.64 ! 0.64 mm16 16 17 17 ! Higgsstrahlung process … … 20 20 ! 5) Force the Z decays to muons 21 21 23:onMode = off 22 23:onIfAny = 1 3 -1322 23:onIfAny = 11 -11 -
external/TrackCovariance/ObsTrk.cc
r7dac4ea r4afb18d 14 14 ObsTrk::ObsTrk(TVector3 x, TVector3 p, Double_t Q, Double_t B, SolGridCov *GC) 15 15 { 16 SetB (B);16 SetBfield(B); 17 17 fGC = GC; 18 18 fGenX = x; … … 56 56 ObsTrk::ObsTrk(Double_t *x, Double_t *p, Double_t Q, Double_t B, SolGridCov* GC) 57 57 { 58 SetB (B);58 SetBfield(B); 59 59 fGC = GC; 60 60 fGenX.SetXYZ(x[0],x[1],x[2]); -
external/TrackCovariance/VertexFit.cc
r7dac4ea r4afb18d 18 18 fxCst.ResizeTo(3); 19 19 fCovCst.ResizeTo(3, 3); 20 fCovCstInv.ResizeTo(3, 3);21 20 fXv.ResizeTo(3); 22 21 fcovXv.ResizeTo(3, 3); … … 32 31 fxCst.ResizeTo(3); 33 32 fCovCst.ResizeTo(3, 3); 34 fCovCstInv.ResizeTo(3, 3);35 33 fXv.ResizeTo(3); 36 34 fcovXv.ResizeTo(3, 3); … … 40 38 TVectorD pr = *trkPar[i]; 41 39 fPar.push_back(new TVectorD(pr)); 42 fParNew.push_back(new TVectorD(pr));43 40 TMatrixDSym cv = *trkCov[i]; 44 41 fCov.push_back(new TMatrixDSym(cv)); 45 fCovNew.push_back(new TMatrixDSym(cv));46 42 } 47 43 fChi2List.ResizeTo(fNtr); … … 58 54 fxCst.ResizeTo(3); 59 55 fCovCst.ResizeTo(3, 3); 60 fCovCstInv.ResizeTo(3, 3);61 56 fXv.ResizeTo(3); 62 57 fcovXv.ResizeTo(3, 3); … … 66 61 { 67 62 fPar.push_back(new TVectorD(track[i]->GetObsPar())); 68 fParNew.push_back(new TVectorD(track[i]->GetObsPar()));69 63 fCov.push_back(new TMatrixDSym(track[i]->GetCov())); 70 fCovNew.push_back(new TMatrixDSym(track[i]->GetCov()));71 64 } 72 65 } … … 80 73 { 81 74 if (fx0i[i]) { fx0i[i]->Clear(); delete fx0i[i]; } 82 if (fai[i]) { fai[i]->Clear(); delete fai[i]; } 83 if (fdi[i]) { fdi[i]->Clear(); delete fdi[i]; } 84 if (fAti[i]) { fAti[i]->Clear(); delete fAti[i]; } 85 if (fDi[i]) { fDi[i]->Clear(); delete fDi[i]; } 86 if (fWi[i]) { fWi[i]->Clear(); delete fWi[i]; } 75 if (fai[i]) { fai[i]->Clear(); delete fai[i]; } 76 if (fDi[i]) { fDi[i]->Clear(); delete fDi[i]; } 77 if (fWi[i]) { fWi[i]->Clear(); delete fWi[i]; } 87 78 if (fWinvi[i]){ fWinvi[i]->Clear(); delete fWinvi[i]; } 88 79 } … … 90 81 fx0i.clear(); 91 82 fai.clear(); 92 fdi.clear();93 fAti.clear();94 83 fDi.clear(); 95 84 fWi.clear(); … … 99 88 { 100 89 fxCst.Clear(); 101 fCovCst.Clear(); 102 fCovCstInv.Clear(); 90 fCovCst.Clear(); 103 91 fXv.Clear(); 104 92 fcovXv.Clear(); … … 107 95 for (Int_t i = 0; i < fNtr; i++) 108 96 { 109 fPar[i]->Clear(); delete fPar[i]; 110 fParNew[i]->Clear(); delete fParNew[i]; 111 fCov[i]->Clear(); delete fCov[i]; 112 fCovNew[i]->Clear(); delete fCovNew[i]; 97 fPar[i]->Clear(); delete fPar[i]; 98 fCov[i]->Clear(); delete fCov[i]; 113 99 } 114 100 fPar.clear(); 115 fParNew.clear(); 116 fCov.clear(); 117 fCovNew.clear(); 101 fCov.clear(); 118 102 // 119 103 ResetWrkArrays(); … … 440 424 // 441 425 // Get track parameters and their covariance 442 TVectorD par = *fPar New[i];426 TVectorD par = *fPar[i]; 443 427 TMatrixDSym Cov = *fCov[i]; 444 428 // … … 449 433 // 450 434 TMatrixD A = Fill_A(par, fs); // A = dx/da = derivatives wrt track parameters 451 TMatrixD At(TMatrixD::kTransposed, A); // A transposed452 fAti.push_back(new TMatrixD(At)); // Store A'453 TVectorD di = A * (par - *fPar[i]); // x-shift454 fdi.push_back(new TVectorD(di)); // Store x-shift455 435 TMatrixDSym Winv = Cov.Similarity(A); // W^-1 = A*C*A' 456 fWinvi.push_back(new TMatrixDSym(Winv)); // Store W^-1 matrix436 fWinvi.push_back(new TMatrixDSym(Winv)); // Store W^-1 matrix 457 437 // 458 438 TMatrixDSym W = RegInv(Winv); // W = (A*C*A')^-1 … … 476 456 { 477 457 //std::cout << "VertexFitter: just in" << std::endl; 478 if (fNtr < 2 && !fVtxCst){ 458 if (fNtr < 2) 459 { 479 460 std::cout << "VertexFit::VertexFitter - Method called with less than 2 tracks - Aborting " << std::endl; 480 461 std::exit(1); … … 488 469 Double_t Chi2 = 0; 489 470 TVectorD x0 = fXv; // If previous fit done 490 if (fRold < 0.0) { 491 // External constraint 492 if (fVtxCst) fRold = TMath::Sqrt(fxCst(0) * fxCst(0) + fxCst(1) * fxCst(1)); 493 // No constraint 494 else for (Int_t i = 0; i < 3; i++)x0(i) = 1000.; // Set to arbitrary large value 495 } 471 if (fRold < 0.0)for (Int_t i = 0; i < 3; i++)x0(i) = 1000.; // Set to arbitrary large value if not 496 472 // 497 473 // Starting vertex radius approximation … … 499 475 Double_t R = fRold; // Use previous fit if available 500 476 if (R < 0.0) R = StartRadius(); // Rough vertex estimate 501 //std::cout << "Start radius: " << R << std::endl;502 477 // 503 478 // Iteration properties … … 554 529 H += Ds; 555 530 // update constant term 556 TVectorD xs = *fx0i[i] - *fdi[i]; 557 TVectorD xx0 = *fx0i[i]; 558 /* 559 std::cout << "Iter. " << Ntry << ", trk " << i << ", x= " 560 << xx0(0) << ", " << xx0(1) << ", " << xx0(2)<< 561 ", ph0= "<<par(1)<< std::endl; 562 */ 531 TVectorD xs = *fx0i[i]; 563 532 cterm += Ds * xs; 564 533 } // End loop on tracks 565 // Some additions in case of external constraints566 if (fVtxCst) {567 H += fCovCstInv;568 cterm += fCovCstInv * fxCst;569 DW1D += fCovCstInv;570 }571 534 // 572 535 // update vertex position … … 581 544 for (Int_t i = 0; i < fNtr; i++) 582 545 { 583 TVectorD lambda = (*fDi[i]) * (*fx0i[i] - x - *fdi[i]);546 TVectorD lambda = (*fDi[i]) * (*fx0i[i] - x); 584 547 TMatrixDSym Wm1 = *fWinvi[i]; 585 548 fChi2List(i) = Wm1.Similarity(lambda); … … 588 551 TVectorD b = (*fWi[i]) * (x - (*fx0i[i])); 589 552 for (Int_t j = 0; j < 3; j++)ffi[i] += a(j) * b(j) / fa2i[i]; 590 TVectorD newPar = *fPar[i] - ((*fCov[i]) * (*fAti[i])) * lambda;591 fParNew[i] = new TVectorD(newPar);592 553 } 593 // Add external constraint to Chi2594 if (fVtxCst) Chi2 += fCovCstInv.Similarity(x - fxCst);595 554 // 596 555 TVectorD dx = x - x0; … … 603 562 // Store result 604 563 // 605 fXv = x; // Vertex position564 fXv = x; // Vertex position 606 565 fcovXv = covX; // Vertex covariance 607 566 fChi2 = Chi2; // Vertex fit Chi2 608 //std::cout << "Found vertex " << fXv(0) << ", " << fXv(1) << ", " << fXv(2) << std::endl;609 567 } // end of iteration loop 610 568 // … … 645 603 void VertexFit::AddVtxConstraint(TVectorD xv, TMatrixDSym cov) // Add gaussian vertex constraint 646 604 { 647 //std::cout << "VertexFit::AddVtxConstraint: Not implemented yet" << std::endl; 648 fVtxCst = kTRUE; // Vertex constraint flag 649 fxCst = xv; // Constraint value 650 fCovCst = cov; // Constraint covariance 651 fCovCstInv = cov; 652 fCovCstInv.Invert(); // Its inverse 653 // 654 // Set starting vertex as external constraint 655 fXv = fxCst; 656 fcovXv = fCovCst; 605 std::cout << "VertexFit::AddVtxConstraint: Not implemented yet" << std::endl; 657 606 } 658 607 // … … 664 613 fPar.push_back(par); // add new track 665 614 fCov.push_back(Cov); 666 fParNew.push_back(par); // add new track667 fCovNew.push_back(Cov);668 615 // 669 616 // Reset previous vertex temp arrays … … 681 628 fPar.erase(fPar.begin() + iTrk); // Remove track 682 629 fCov.erase(fCov.begin() + iTrk); 683 fParNew.erase(fParNew.begin() + iTrk); // Remove track684 fCovNew.erase(fCovNew.begin() + iTrk);685 630 // 686 631 // Reset previous vertex temp arrays -
external/TrackCovariance/VertexFit.h
r7dac4ea r4afb18d 23 23 Int_t fNtr; // Number of tracks 24 24 std::vector<TVectorD*> fPar; // Input parameter array 25 std::vector<TVectorD*> fParNew; // Updated parameter array 26 std::vector<TMatrixDSym*> fCov; // Input parameter covariances 27 std::vector<TMatrixDSym*> fCovNew; // Updated parameter covariances 25 std::vector<TMatrixDSym*> fCov;// Input parameter covariances 28 26 // Constraints 29 27 Bool_t fVtxCst; // Vertex constraint flag 30 28 TVectorD fxCst; // Constraint value 31 TMatrixDSym fCovCst; // Constraint 32 TMatrixDSym fCovCstInv; // Inverse of constraint covariance 29 TMatrixDSym fCovCst; // Constraint covariance 33 30 // 34 31 // Results … … 42 39 // Work arrays 43 40 std::vector<Double_t> ffi; // Fit phases 44 std::vector<TVectorD*> fx0i; // Track expansion points41 std::vector<TVectorD*> fx0i; // Track expansion points 45 42 std::vector<TVectorD*> fai; // dx/dphi 46 std::vector<TVectorD*> fdi; // x-shift47 43 std::vector<Double_t> fa2i; // a'Wa 48 std::vector<TMatrixD*> fAti; // A transposed49 44 std::vector<TMatrixDSym*> fDi; // W-WBW 50 45 std::vector<TMatrixDSym*> fWi; // (ACA')^-1
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