GPU FlatObject: Make some more functions accessible on GPU

Author: davidrohr

GPU/TPCFastTransformation/TPCFastTransformGeo.h

@@ -86,7 +86,7 @@ class TPCFastTransformGeo
   /// _____________  FlatObject functionality, see FlatObject class for description  ____________
 
   /// Gives minimal alignment in bytes required for an object of the class
-  static constexpr size_t getClassAlignmentBytes() { return 8; }
+  inline static constexpr size_t getClassAlignmentBytes() { return 8; }
 
   /// _______________  Construction interface  ________________________
 
@@ -110,16 +110,16 @@ class TPCFastTransformGeo
   /// _______________  Getters _________________________________
 
   /// Gives number of TPC sectors
-  GPUdi() static constexpr int32_t getNumberOfSectors() { return NumberOfSectors; }
+  inline static constexpr int32_t getNumberOfSectors() { return NumberOfSectors; }
 
   /// Gives number of TPC sectors on the A side
-  GPUdi() static constexpr int32_t getNumberOfSectorsA() { return NumberOfSectorsA; }
+  inline static constexpr int32_t getNumberOfSectorsA() { return NumberOfSectorsA; }
 
   /// Gives number of TPC rows
   GPUdi() int32_t getNumberOfRows() const { return mNumberOfRows; }
 
   /// Gives number of TPC rows
-  GPUdi() static constexpr int getMaxNumberOfRows() { return MaxNumberOfRows; }
+  inline static constexpr int getMaxNumberOfRows() { return MaxNumberOfRows; }
 
   /// Gives sector info
   GPUd() const SectorInfo& getSectorInfo(int32_t sector) const;

GPU/Utils/FlatObject.h

@@ -253,10 +253,10 @@ class FlatObject
   void destroy();
 
   /// Gives size of the flat buffer
-  size_t getFlatBufferSize() const { return mFlatBufferSize; }
+  GPUdi() size_t getFlatBufferSize() const { return mFlatBufferSize; }
 
   /// Gives pointer to the flat buffer
-  const char* getFlatBufferPtr() const { return mFlatBufferPtr; }
+  GPUdi() const char* getFlatBufferPtr() const { return mFlatBufferPtr; }
 
   /// Tells if the object is constructed
   bool isConstructed() const { return (mConstructionMask & (uint32_t)ConstructionState::Constructed); }
@@ -274,7 +274,7 @@ class FlatObject
 
  public:
   /// Increases given size to achieve required alignment
-  static size_t alignSize(size_t sizeBytes, size_t alignmentBytes)
+  static constexpr size_t alignSize(size_t sizeBytes, size_t alignmentBytes)
   {
     auto res = sizeBytes % alignmentBytes;
     return res ? sizeBytes + (alignmentBytes - res) : sizeBytes;