message: Faster calculation of momentum at secondary vertex for cascades
diff: @@ -2184,14 +2184,12 @@ AliAODRecoCascadeHF* AliAnalysisVertexingHF::MakeCascade(
  Double_t px[2],py[2],pz[2];
  AliESDtrack *postrack = (AliESDtrack*)twoTrackArray->UncheckedAt(0);
  AliESDtrack *negtrack = (AliESDtrack*)twoTrackArray->UncheckedAt(1);
  - // propagate tracks to secondary vertex, to compute inv. mass
  - postrack->PropagateToDCA(secVert,fBzkG,kVeryBig);
  - negtrack->PropagateToDCA(secVert,fBzkG,kVeryBig);
  Double_t momentum[3];
  - postrack->GetPxPyPz(momentum);
  + GetTrackMomentumAtSecVert(postrack,secVert,momentum);
  px[0] = momentum[0]; py[0] = momentum[1]; pz[0] = momentum[2];
  - negtrack->GetPxPyPz(momentum);
  + GetTrackMomentumAtSecVert(negtrack,secVert,momentum);
  px[1] = momentum[0]; py[1] = momentum[1]; pz[1] = momentum[2];
  +
  if(!fMassCutBeforeVertexing && !SelectInvMassAndPtCascade(px,py,pz)) return 0x0;
  Double_t dummyd0[2]={0,0};
  Double_t dummyd0err[2]={0,0};
  