message: Prevents a divide-by-zero when multiplicity in a subdetector is zero
diff: @@ -413,17 +413,17 @@ void AliJEQnVectorHandler::GetUnNormQnVecV0(double QnVecFullV0[2], double QnVecV
  //________________________________________________________________
  void AliJEQnVectorHandler::GetqnTPC(double &qnFullTPC, double &qnPosTPC, double &qnNegTPC)
  {
  - qnFullTPC = fQnVecNormFullTPC / TMath::Sqrt(fMultFullTPC);
  - qnPosTPC = fQnVecNormPosTPC / TMath::Sqrt(fMultPosTPC);
  - qnNegTPC = fQnVecNormNegTPC / TMath::Sqrt(fMultNegTPC);
  + fMultFullTPC > 0 ? qnFullTPC = fQnVecNormFullTPC / TMath::Sqrt(fMultFullTPC) : qnFullTPC = 0;
  + fMultPosTPC > 0 ? qnPosTPC = fQnVecNormPosTPC / TMath::Sqrt(fMultPosTPC) : qnPosTPC = 0;
  + fMultNegTPC > 0 ? qnNegTPC = fQnVecNormNegTPC / TMath::Sqrt(fMultNegTPC) : qnNegTPC = 0;
  }
  //________________________________________________________________
  void AliJEQnVectorHandler::GetqnV0(double &qnFullV0, double &qnV0A, double &qnV0C)
  {
  - qnFullV0 = fQnVecNormFullV0 / TMath::Sqrt(fMultFullV0);
  - qnV0A = fQnVecNormV0A / TMath::Sqrt(fMultV0A);
  - qnV0C = fQnVecNormV0C / TMath::Sqrt(fMultV0C);
  + fMultFullV0 > 0 ? qnFullV0 = fQnVecNormFullV0 / TMath::Sqrt(fMultFullV0) : qnFullV0 = 0;
  + fMultV0A > 0 ? qnV0A = fQnVecNormV0A / TMath::Sqrt(fMultV0A) : qnV0A = 0;
  + fMultV0C > 0 ? qnV0C = fQnVecNormV0C / TMath::Sqrt(fMultV0C) : qnV0C = 0;
  }
  //________________________________________________________________
  