Add EP-preserving track rotation

Author: ayatsuji

PWGDQ/Core/VarManager.cxx

@@ -454,7 +454,6 @@ void VarManager::FillEfficiency(float* values)
   }
 }
 
-
 //__________________________________________________________________
 std::tuple<float, float, float, float, float> VarManager::BimodalityCoefficientUnbinned(const std::vector<float>& data)
 {

PWGDQ/Core/VarManager.h

@@ -3965,9 +3965,9 @@ void VarManager::FillPairRotation(T1 const& t1, T2 const& t2, int rotation, floa
   if (rotation == 1) {
     rotationphi2 = t2.phi() + o2::constants::math::PI;
   } else if (rotation == 2) {
-    rotationphi2 = 2*values[kPsi2A] - t2.phi() ;
+    rotationphi2 = 2 * values[kPsi2A] - t2.phi();
   } else if (rotation == 3) {
-    rotationphi2 = 2*values[kPsi2A] - t2.phi() + o2::constants::math::PI;
+    rotationphi2 = 2 * values[kPsi2A] - t2.phi() + o2::constants::math::PI;
   }
 
   if (rotationphi2 >= o2::constants::math::TwoPI) {

PWGDQ/Tasks/tableReader_withAssoc.cxx

@@ -2414,7 +2414,7 @@ struct AnalysisSameEventPairing {
                         fHistMan->FillHistClass(Form("PairsBarrelTRPM_ambiguousextra_%s", fTrackCuts[icut].Data()), dqtablereader_helpers::varValues());
                       }
                     }
-                  } else if(fConfigNRotations.value == 3) {
+                  } else if (fConfigNRotations.value == 3) {
                     for (int irot = 1; irot <= fConfigNRotations.value; irot++) {
                       VarManager::FillPairRotation<TPairType, TTrackFillMap>(t1, t2, irot);
                       if constexpr (TPairType == VarManager::kDecayToEE) {