Resolve "Fix Pi0 benchmark"

Closes #37 (closed)

benchmarks/barrel_ecal/scripts/emcal_barrel_pi0_analysis.cxx

@@ -29,7 +29,7 @@ using namespace ROOT::VecOps;
 
 void emcal_barrel_pi0_analysis(const char* input_fname = "sim_output/sim_emcal_barrel_pi0.root")
 {
-  //input_fname = "../sim_output/sim_emcal_barrel_pi0.root";
+  input_fname = "../sim_output/sim_emcal_barrel_pi0.root";
   // Setting for graphs
   gROOT->SetStyle("Plain");
   gStyle->SetOptFit(1);
@@ -197,10 +197,11 @@ void emcal_barrel_pi0_analysis(const char* input_fname = "sim_output/sim_emcal_b
   };
 
   // Histograms and Fitting
-  auto hdE          = (d1.Histo1D({"hdE",      "dE; dE[GeV]; Events",              100, -3.0, 3.0}, "dE"))->DrawCopy();
-  auto hdE_rel      = (d1.Histo1D({"hdE_rel",  "dE Relative; dE Relative; Events", 100, -3.0, 3.0}, "dE_rel"))->DrawCopy();
-  hdE->Fit("gaus", "", "", -3.0,  3.0);
-  double* res       = hdE->GetFunction("gaus")->GetParameters();
+  auto hdE          = d1.Histo1D({"hdE",      "dE; dE[GeV]; Events",              100, -3.0, 3.0}, "dE");
+  auto hdE_rel      = d1.Histo1D({"hdE_rel",  "dE Relative; dE Relative; Events", 100, -3.0, 3.0}, "dE_rel");
+  auto hdEcopy      = hdE->DrawCopy();
+  hdEcopy->Fit("gaus", "", "", -3.0,  3.0);
+  double* res       = hdEcopy->GetFunction("gaus")->GetParameters();
   double sigmaOverE = res[2] / meanE;
 
   // Pass/Fail
@@ -213,8 +214,8 @@ void emcal_barrel_pi0_analysis(const char* input_fname = "sim_output/sim_emcal_b
   hdE->GetYaxis()->SetTitleOffset(1.4);
   hdE->SetLineWidth(2);
   hdE->SetLineColor(kBlue);
-  hdE->GetFunction("gaus")->SetLineWidth(2);
-  hdE->GetFunction("gaus")->SetLineColor(kRed);
+  //hdE->GetFunction("gaus")->SetLineWidth(2);
+  //hdE->GetFunction("gaus")->SetLineColor(kRed);
   hdE->DrawClone();
   cdE->SaveAs("results/emcal_barrel_pi0_dE.png");
   cdE->SaveAs("results/emcal_barrel_pi0_dE.pdf");