ITS: fix GPU compilation

Author: mpuccio

Detectors/ITSMFT/ITS/tracking/GPU/cuda/TrackingKernels.cu

@@ -287,9 +287,9 @@ GPUdi() bool followTrackExtensionDirection(const TrackExtensionStartState<NLayer
         phiBinsNum += phiBins;
       }
 
-      const auto rofRange = getTrackExtensionCompatibleROFRange(rofOverlaps, iLayer, hypo.time);
+      const auto rofRange = getTrackExtensionCompatibleROFRange<NLayers>(rofOverlaps, iLayer, hypo.time);
       for (int rof = rofRange.x; rof <= rofRange.y; ++rof) {
-        if (!rofMask.isROFEnabled(iLayer, rof) || !isTrackExtensionROFTimeCompatible(rofOverlaps, iLayer, rof, hypo.time)) {
+        if (!rofMask.isROFEnabled(iLayer, rof) || !isTrackExtensionROFTimeCompatible<NLayers>(rofOverlaps, iLayer, rof, hypo.time)) {
           continue;
         }
         const int rofStart = ROFClusters[iLayer][rof];

Detectors/ITSMFT/ITS/tracking/include/ITStracking/ROFLookupTables.h

@@ -73,7 +73,7 @@ struct LayerTiming {
   }
 
   // return which ROF this BC belongs to
-  GPUhi() BCType getROF(BCType bc) const noexcept
+  GPUhdi() BCType getROF(BCType bc) const noexcept
   {
     const BCType offset = mROFDelay + mROFBias;
     if (bc <= offset) {
@@ -83,7 +83,7 @@ struct LayerTiming {
   }
 
   // return which ROF this timestamp belongs by its lower edge
-  GPUhi() BCType getROF(TimeStamp ts) const noexcept
+  GPUhdi() BCType getROF(TimeStamp ts) const noexcept
   {
     const BCType offset = mROFDelay + mROFBias;
     const BCType bc = (ts.getTimeStamp() < ts.getTimeStampError()) ? BCType(0) : static_cast<BCType>(o2::gpu::CAMath::Floor(ts.getTimeStamp() - ts.getTimeStampError()));