message: style check and minor refactor
diff: @@ -841,10 +841,7 @@ void MFEMSidreDataCollection::SetMesh(MPI_Comm comm, Mesh* new_mesh)
  {
  // use MFEMSidreDataCollection's custom SetMesh, then set MPI info
  SetMesh(new_mesh);
  -
  - m_comm = comm;
  - MPI_Comm_rank(comm, &myid);
  - MPI_Comm_size(comm, &num_procs);
  + SetComm(comm);
  }
  #endif
  @@ -1088,8 +1085,11 @@ void MFEMSidreDataCollection::Save(const std::string& filename,
  temp_domain_grp->copyGroup(domain_grp);
  int num_files = num_procs;
  - if (m_num_files > 0) {
  - SLIC_ASSERT_MSG(num_files <= num_procs, "Save output must have num_files less than or equal to number of mpi ranks");
  + if (m_num_files > 0)
  + {
  + SLIC_ASSERT_MSG(num_files <= num_procs,
  + "Save output must have num_files less than or equal to "
  + "number of mpi ranks");
  num_files = m_num_files;
  }
  writer.write(temp_root, num_files, file_path, protocol);
  