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[PWGEM] Fix invalid cast in MomentumSmearer (TH1F* -> TH1D*) #18735

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Merged
rbailhac merged 1 commit into from
Nov 13, 2026
Merged

[PWGEM] Fix invalid cast in MomentumSmearer (TH1F* -> TH1D*) #18735

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18 changes: 9 additions & 9 deletions PWGEM/Dilepton/Utils/MomentumSmearer.h
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Original file line number Diff line number Diff line change
Expand Up @@ -131,14 +131,14 @@ class MomentumSmearer
}
}

void fillVecReso(TH2F* fReso, std::vector<TH1F*>& fVecReso, const char* suffix)
void fillVecReso(TH2F* fReso, std::vector<TH1D*>& fVecReso, const char* suffix)
{
TAxis* axisPt = fReso->GetXaxis(); // be careful! This works only for variable bin width.
int nBinsPt = axisPt->GetNbins();
fVecReso.resize(nBinsPt);
for (int i = 0; i < nBinsPt; i++) {
auto h1 = dynamic_cast<TH1F*>(fReso->ProjectionY(Form("h1reso%s_pt%d", suffix, i), i + 1, i + 1)); // FIXME: invalid cast
h1->Scale(1.f, "width"); // convert ntrack to probability density
auto h1 = dynamic_cast<TH1D*>(fReso->ProjectionY(Form("h1reso%s_pt%d", suffix, i), i + 1, i + 1));
h1->Scale(1.f, "width"); // convert ntrack to probability density
fVecReso[i] = h1;
}
}
Expand Down Expand Up @@ -372,7 +372,7 @@ class MomentumSmearer
fInitialized = true;
}

void applySmearing(const float ptgen, const float vargen, const float multiply, float& varsmeared, TH2F* fReso, std::vector<TH1F*>& fVecReso)
void applySmearing(const float ptgen, const float vargen, const float multiply, float& varsmeared, TH2F* fReso, std::vector<TH1D*>& fVecReso)
{
float ptgen_tmp = ptgen > fMinPtGen ? ptgen : fMinPtGen;
TAxis* axisPt = fReso->GetXaxis();
Expand Down Expand Up @@ -634,13 +634,13 @@ class MomentumSmearer
int fNEtaBins = 1;
int fNPhiBins = 1;
int fNChBins = 1;
std::vector<TH1F*> fVecResoPt;
std::vector<TH1F*> fVecResoEta;
std::vector<TH1F*> fVecResoPhi_Pos;
std::vector<TH1F*> fVecResoPhi_Neg;
std::vector<TH1D*> fVecResoPt;
std::vector<TH1D*> fVecResoEta;
std::vector<TH1D*> fVecResoPhi_Pos;
std::vector<TH1D*> fVecResoPhi_Neg;
TObject* fEff;
TH2F* fDCA;
std::vector<TH1F*> fVecDCA;
std::vector<TH1D*> fVecDCA;
int64_t fTimestamp;
bool fFromCcdb = false;
o2::framework::Service<o2::ccdb::BasicCCDBManager> fCcdb;
Expand Down
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