buildseeds

Author: f3sch

Detectors/ITSMFT/ITS/tracking/src/TrackerTraits.cxx

@@ -1059,7 +1059,8 @@ bool TrackerTraits<nLayers>::trackFollowing(TrackITSExt* track, int rof, bool ou
 template <int nLayers>
 track::TrackParCov TrackerTraits<nLayers>::buildTrackSeed(const Cluster& cluster1, const Cluster& cluster2, const TrackingFrameInfo& tf3)
 {
-  const float ca = o2::gpu::CAMath::Cos(tf3.alphaTrackingFrame), sa = o2::gpu::CAMath::Sin(tf3.alphaTrackingFrame);
+  float ca{-999.f}, sa{-999.f};
+  o2::gpu::CAMath::SinCos(tf3.alphaTrackingFrame, sa, ca);
   const float x1 = cluster1.xCoordinate * ca + cluster1.yCoordinate * sa;
   const float y1 = -cluster1.xCoordinate * sa + cluster1.yCoordinate * ca;
   const float z1 = cluster1.zCoordinate;