message: const Vector & GetLocalOscs() const
diff: @@ -396,7 +396,7 @@ public:
  const double GetOsc() { return global_osc; }
  // Return the local relative data oscillation errors
  - Vector GetLocalOscs()
  + const Vector & GetLocalOscs() const
  {
  MFEM_ASSERT(element_oscs.Size() > 0,
  "Local oscillations have not been computed yet")
  