[PWGCF] FemtoUniverse: Reducing number of arrays in sets of TH1 and TH3 (AliceO2Group#8297)

Author: prchakra

PWGCF/FemtoUniverse/Core/FemtoUniversePairSHCentMultKt.h

@@ -374,13 +374,13 @@ class PairSHCentMultKt
   }
 
  private:
-  std::array<std::array<std::array<std::shared_ptr<TH1>, 15>, 10>, 10>
+  std::array<std::array<std::array<std::shared_ptr<TH1>, 10>, 4>, 4>
     fnumsreal{};
-  std::array<std::array<std::array<std::shared_ptr<TH1>, 15>, 10>, 10>
+  std::array<std::array<std::array<std::shared_ptr<TH1>, 10>, 4>, 4>
     fnumsimag{};
-  std::array<std::array<std::array<std::shared_ptr<TH1>, 15>, 10>, 10>
+  std::array<std::array<std::array<std::shared_ptr<TH1>, 10>, 4>, 4>
     fdensreal{};
-  std::array<std::array<std::array<std::shared_ptr<TH1>, 15>, 10>, 10>
+  std::array<std::array<std::array<std::shared_ptr<TH1>, 10>, 4>, 4>
     fdensimag{};
 
   TH1D* fbinctn[10][10];
@@ -389,13 +389,13 @@ class PairSHCentMultKt
   static constexpr int fMaxL = 2;
   static constexpr int fMaxJM = (fMaxL + 1) * (fMaxL + 1);
 
-  std::array<std::array<std::array<float, (fMaxJM * fMaxJM * 4 * 100)>, 10>, 10>
+  std::array<std::array<std::array<float, (fMaxJM * fMaxJM * 4 * 100)>, 4>, 4>
     fcovmnum{}; ///< Covariance matrix for the numerator
-  std::array<std::array<std::array<float, (fMaxJM * fMaxJM * 4 * 100)>, 10>, 10>
+  std::array<std::array<std::array<float, (fMaxJM * fMaxJM * 4 * 100)>, 4>, 4>
     fcovmden{}; ///< Covariance matrix for the numerator
 
-  std::array<std::array<std::shared_ptr<TH3>, 10>, 10> fcovnum{};
-  std::array<std::array<std::shared_ptr<TH3>, 10>, 10> fcovden{};
+  std::array<std::array<std::shared_ptr<TH3>, 4>, 4> fcovnum{};
+  std::array<std::array<std::shared_ptr<TH3>, 4>, 4> fcovden{};
 
  protected:
   HistogramRegistry* PairSHCentMultKtRegistry = nullptr;