message: CEED - allow null arguments to InitCeedBasisAndRestriction as well
diff: @@ -301,20 +301,20 @@ void InitCeedBasisAndRestriction(const FiniteElementSpace &fes,
  }
  // Set or retreive key values
  - if (new_basis)
  + if (new_basis && basis)
  {
  kh_value(internal::ceed_basis_from_fes, k_basis) = *basis;
  }
  - else
  + else if (basis)
  {
  khint_t k_basis = kh_get(basis, internal::ceed_basis_from_fes, basis_key);
  CeedHashGetValue(internal::ceed_basis_from_fes, k_basis, *basis);
  }
  - if (new_restr)
  + if (new_restr && restr)
  {
  kh_value(internal::ceed_restr_from_fes, k_restr) = *restr;
  }
  - else
  + else if (restr)
  {
  khint_t k_restr = kh_get(restr, internal::ceed_restr_from_fes, restr_key);
  CeedHashGetValue(internal::ceed_restr_from_fes, k_restr, *restr);
  