message: doxygen ignore macro-assisted typename
diff: @@ -30,7 +30,10 @@ using namespace std;
  #ifdef CUDA_or_HIP
  int SparseMatrix::SparseMatrixCount = 0;
  +// doxygen doesn't like the macro-assisted typename so let's skip parsing it:
  +// \cond false
  cu_or_hip(sparseHandle_t) SparseMatrix::handle = nullptr;
  +// \endcond
  size_t SparseMatrix::bufferSize = 0;
  void * SparseMatrix::dBuffer = nullptr;
  # if defined(MFEM_USE_CUDA)
  