use reflection for apply

This removes the need to declare the
apply method with macros inside the skeletons

Author: jolly-chen

GPU/Common/MemLayout.h

@@ -575,7 +575,7 @@ struct ApplyRecursive {
 
     template <template <template <class> class> class S>
     S<MemLayout::const_pointer> operator()(S<MemLayout::const_pointer>& soaIOPtr, S<GPUChainTracking::unique_ptr_array>& soaIOMem) const {
-        return soaIOPtr.apply(soaIOMem, ApplyRecursive{f});
+      return apply(soaIOPtr, soaIOMem, ApplyRecursive{f});
     }
 };
 

GPU/GPUTracking/Global/GPUChainTracking.cxx

@@ -54,9 +54,6 @@ struct GPUTPCParameter
 template <template <class> class F>
 struct GPUTPCBaseTrackParamSkeleton
 {
-  MEMLAYOUT_APPLY_UNARY(mX, mC, mZOffset, mP)
-  MEMLAYOUT_APPLY_BINARY(GPUTPCBaseTrackParamSkeleton, MEMLAYOUT_EXPAND(mX), MEMLAYOUT_EXPAND(mC), MEMLAYOUT_EXPAND(mZOffset), MEMLAYOUT_EXPAND(mP))
-
   GPUd() float X() const { return mX; }
   GPUd() float Y() const { return mP[0]; }
   GPUd() float Z() const { return mP[1]; }

GPU/GPUTracking/SectorTracker/GPUTPCBaseTrackParam.h

@@ -34,9 +34,6 @@ template <template <class> class F>
 class GPUTPCTrackSkeleton
 {
  public:
-    MEMLAYOUT_APPLY_UNARY(mFirstHitID, mNHits, mLocalTrackId, mParam)
-    MEMLAYOUT_APPLY_BINARY(GPUTPCTrackSkeleton, MEMLAYOUT_EXPAND(mFirstHitID), MEMLAYOUT_EXPAND(mNHits), MEMLAYOUT_EXPAND(mLocalTrackId), MEMLAYOUT_EXPAND(mParam))
-
 //#if !defined(GPUCA_GPUCODE)
 //  GPUTPCTrack() : mFirstHitID(0), mNHits(0), mLocalTrackId(-1), mParam() {}
 //  ~GPUTPCTrackSkeleton() = default;

GPU/GPUTracking/SectorTracker/GPUTPCTrack.h

@@ -45,9 +45,6 @@ template <template <class> class F>
 class GPUTPCTrackParamSkeleton
 {
  public:
-  MEMLAYOUT_APPLY_UNARY(mParam, mSignCosPhi, mChi2, mNDF)
-  MEMLAYOUT_APPLY_BINARY(GPUTPCTrackParamSkeleton, MEMLAYOUT_EXPAND(mParam), MEMLAYOUT_EXPAND(mSignCosPhi), MEMLAYOUT_EXPAND(mChi2), MEMLAYOUT_EXPAND(mNDF))
-
   GPUd() MemLayout::wrapper<GPUTPCBaseTrackParamSkeleton, MemLayout::const_reference> GetParam() const { return mParam; }
   GPUd() void SetParam(MemLayout::wrapper<GPUTPCBaseTrackParamSkeleton, MemLayout::const_reference> v);
   GPUd() void InitParam();

GPU/GPUTracking/SectorTracker/GPUTPCTrackParam.h

@@ -133,7 +133,7 @@ struct ApplyRecursive {
     void operator()(T * & aos) const { f(aos); }
 
     template <template <template <class> class> class S>
-    void operator()(S<MemLayout::pointer>& soa) const { soa.apply(ApplyMemberwise<ApplyRecursive>{f}); }
+    void operator()(S<MemLayout::pointer>& soa) const { apply(soa, ApplyMemberwise<ApplyRecursive>{f}); }
 };
 
 }

GPU/GPUTracking/SectorTracker/GPUTPCTracker.cxx

@@ -33,9 +33,6 @@ template <template <class> class F>
 class GPUTPCTrackletSkeleton
 {
  public:
-  MEMLAYOUT_APPLY_UNARY(mFirstRow, mLastRow, mParam, mHitWeight, mFirstHit)
-  MEMLAYOUT_APPLY_BINARY(GPUTPCTrackletSkeleton, MEMLAYOUT_EXPAND(mFirstRow), MEMLAYOUT_EXPAND(mLastRow), MEMLAYOUT_EXPAND(mParam), MEMLAYOUT_EXPAND(mHitWeight), MEMLAYOUT_EXPAND(mFirstHit))
-
 //#if !defined(GPUCA_GPUCODE)
   //GPUTPCTrackletSkeleton() : mFirstRow(0), mLastRow(0), mParam(), mHitWeight(0), mFirstHit(0) {};
 //#endif //! GPUCA_GPUCODE