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Zmumumerge: post-merge comments to #40346 #40371

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merged 1 commit into from Dec 20, 2022
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Zmumumerge: post-merge comments to #40346 #40371

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20 changes: 14 additions & 6 deletions Alignment/OfflineValidation/bin/Zmumumerge.cc
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Expand Up @@ -202,12 +202,20 @@ void Fitting_GetMassmeanVSvariables(TString inputfile_name, TString output_path)
}

const static int max_file_number = 10;
void Draw_TH1D_forMultiRootFiles(vector<TString> file_names,
vector<TString> label_names,
vector<int> colors,
vector<int> styles,
TString th1d_name,
TString output_name) {
void Draw_TH1D_forMultiRootFiles(const vector<TString>& file_names,
const vector<TString>& label_names,
const vector<int>& colors,
const vector<int>& styles,
const TString& th1d_name,
const TString& output_name) {
if (file_names.empty() || label_names.empty()) {
cout << "Provided an empty list of file and label names" << std::endl;
return;
}

// do not allow the list of files and labels names to differ
assert(file_names.size() == label_names.size());

TH1D* th1d_input[max_file_number];
TFile* file_input[max_file_number];
for (auto const& filename : file_names | boost::adaptors::indexed(0)) {
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