message: Small doxygen improvements
diff: @@ -170,8 +170,13 @@ public:
  /// Create a SparseMatrix with diagonal @a v, i.e. A = Diag(v)
  SparseMatrix(const Vector & v);
  - // Runtime option to use cuSPARSE or hipSPARSE. Only valid when using a CUDA or HIP backend.
  + /** @brief Runtime option to use cuSPARSE or hipSPARSE. Only valid when using
  + a CUDA or HIP backend.
  +
  + @note This option is enabled by default, so typically one would use this
  + method to disable the use of cuSPARSE/hipSPARSE. */
  void UseGPUSparse(bool useGPUSparse_ = true) { useGPUSparse = useGPUSparse_;}
  + /// Deprecated equivalent of UseGPUSparse().
  MFEM_DEPRECATED
  void UseCUSparse(bool useCUSparse_ = true) { UseGPUSparse(useCUSparse_); }
  @@ -193,6 +198,7 @@ public:
  /** @brief Clear the cuSPARSE/hipSPARSE descriptors.
  This must be called after releasing the device memory of A. */
  void ClearGPUSparse();
  + /// Deprecated equivalent of ClearGPUSparse().
  MFEM_DEPRECATED
  void ClearCUSparse() { ClearGPUSparse(); }
  