message: AliFemtoCorrFctnQ3D - Switch TH3I for TH3F
diff: #include "AliFemtoCorrFctn.h"
  #include "AliFemtoPairCut.h"
  -#include <TH3I.h>
  #include <TH3F.h>
  #if __cplusplus >= 201103L
  @@ -219,12 +218,16 @@ protected:
  // auto [qout, qside, qlong] = Frame_t::GetQ(pair); // maybe someday...
  double qout, qside, qlong;
  Frame_t::GetQ(pair, qout, qside, qlong);
  +
  + Int_t bin = dest.GetBin(qout, qlong, qside);
  + if (!(dest.IsBinOverflow(bin) or dest.IsBinUnderflow(bin))) {
  dest.Fill(qout, qside, qlong);
  qinv.Fill(qout, qside, qlong, pair.QInv());
  }
  + }
  - TH3I* fNumerator; ///<!< Numerator
  - TH3I* fDenominator; ///<!< Denominator
  + TH3F* fNumerator; ///<!< Numerator
  + TH3F* fDenominator; ///<!< Denominator
  #ifdef SINGLE_WQINV
  TH3F* fQinvW; ///<!< Qinv-Weighted histogram
  #elif defined(USE_TPROFILE)
  @@ -259,13 +262,13 @@ AliFemtoCorrFctnQ3D<T>::AliFemtoCorrFctnQ3D(const char* title,
  TString hist_title = TString::Format("%s (Frame=%s); q_{out} (GeV); q_{side} (GeV); q_{long} (GeV)", title, T::FrameName());
  TString hist_name = simple_name ? "" : title;
  - fNumerator = new TH3I(simple_name ? "Num" : (TString("Num") + title).Data(),
  + fNumerator = new TH3F(simple_name ? "Num" : (TString("Num") + title).Data(),
  "Numerator " + hist_title,
  nbins, -QHi, QHi,
  nbins, -QHi, QHi,
  nbins, -QHi, QHi);
  - fDenominator = new TH3I(simple_name ? "Den" : (TString("Den") + title).Data(),
  + fDenominator = new TH3F(simple_name ? "Den" : (TString("Den") + title).Data(),
  "Denominator " + hist_title,
  nbins, -QHi, QHi,
  nbins, -QHi, QHi,
  @@ -302,8 +305,8 @@ AliFemtoCorrFctnQ3D<T>::AliFemtoCorrFctnQ3D(const char* title,
  template <typename T>
  AliFemtoCorrFctnQ3D<T>::AliFemtoCorrFctnQ3D(const AliFemtoCorrFctnQ3D<T>& orig)
  : AliFemtoCorrFctn(orig)
  - , fNumerator(new TH3I(*orig.fNumerator))
  - , fDenominator(new TH3I(*orig.fDenominator))
  + , fNumerator(new TH3F(*orig.fNumerator))
  + , fDenominator(new TH3F(*orig.fDenominator))
  #ifdef SINGLE_WQINV
  , fQinvW(new TH3F(*orig.fQinvW))
  #else
  