HDF5 "ep_res.h5" {
GROUP "/" {
   DATASET "ms_data" {
      DATATYPE  H5T_COMPOUND {
         H5T_ARRAY { [2] H5T_IEEE_F32LE } "denarray";
         H5T_ARRAY { [3] H5T_IEEE_F32LE } "denarray0";
      }
      DATASPACE  SIMPLE { ( 1 ) / ( 1 ) }
      DATA {
      (0): {
            [ 3.2, 4.1 ],
            [ 9.8, 7.6, 5.1 ]
         }
      }
   }
}
}