STR: Silence predicted chi2 calculation

Author: f3sch

DataFormats/Reconstruction/include/ReconstructionDataFormats/TrackParametrizationWithError.h

@@ -100,6 +100,8 @@ class TrackParametrizationWithError : public TrackParametrization<value_T>
 
   template <typename T>
   GPUd() value_t getPredictedChi2(const BaseCluster<T>& p) const;
+  template <typename T>
+  GPUd() value_t getPredictedChi2Quiet(const BaseCluster<T>& p) const;
 
   GPUd() void buildCombinedCovMatrix(const TrackParametrizationWithError& rhs, MatrixDSym5& cov) const;
   GPUd() value_t getPredictedChi2(const TrackParametrizationWithError& rhs, MatrixDSym5& covToSet) const;
@@ -315,6 +317,16 @@ GPUdi() auto TrackParametrizationWithError<value_T>::getPredictedChi2(const Base
   return getPredictedChi2(pyz, cov);
 }
 
+//__________________________________________________________________________
+template <typename value_T>
+template <typename T>
+GPUdi() auto TrackParametrizationWithError<value_T>::getPredictedChi2Quiet(const BaseCluster<T>& p) const -> value_t
+{
+  const dim2_t pyz = {value_T(p.getY()), value_T(p.getZ())};
+  const dim3_t cov = {value_T(p.getSigmaY2()), value_T(p.getSigmaYZ()), value_T(p.getSigmaZ2())};
+  return getPredictedChi2Quiet(pyz, cov);
+}
+
 //______________________________________________
 template <typename value_T>
 GPUdi() auto TrackParametrizationWithError<value_T>::getPredictedChi2(const dim2_t& p, const dim3_t& cov) const -> value_t

Detectors/Vertexing/StrangenessTracking/src/StrangenessTracker.cxx

@@ -507,7 +507,7 @@ bool StrangenessTracker::updateTrack(const ITSCluster& clus, o2::track::TrackPar
       return false;
     }
   }
-  auto chi2 = std::abs(track.getPredictedChi2(clus)); // abs to be understood
+  auto chi2 = std::abs(track.getPredictedChi2Quiet(clus)); // abs to be understood
   LOG(debug) << "Chi2: " << chi2;
   if (chi2 > mStrParams->mMaxChi2 || chi2 < 0) {
     return false;