message: Fix to prevent invalid track parameters, perhaps not the ideal cure, but something needs to be done to avoid FPE, and I cannot think of something better
diff: @@ -170,7 +170,10 @@ MEM_CLASS_PRE2() GPUdi() void AliHLTTPCCATrackletConstructor::UpdateTracklet
  float err2Y, err2Z;
  float dx = x - tParam.X();
  float dy, dz;
  - if (r.fNHits >= 10)
  + //I am not sure if this SinPhi check is ideal. We have followed the track for some time now, and something went wrong already, so we could also break.
  + //But perhaps we can recover it by following it further. Should not happen too often anyway
  + //Also, in principle, the hits that screwed up SinPhi should have been skipped in the first place.
  + if (r.fNHits >= 10 && CAMath::Abs( tParam.SinPhi() ) < .99)
  {
  dy = y - tParam.Y();
  dz = z - tParam.Z();
  