for (int vi = 0; vi < groupdata.numvars; ++vi)
        if (coarsegroupdata.valid.at(tl).at(vi).valid_int &&
            coarsegroupdata.valid.at(tl).at(vi).valid_bnd)
          groupdata.valid.at(tl).at(vi).valid_int = true;
    }

                            reffact, &prolongate3d_cc_rf2_o4, bcs, 0);

                            reffact, &prolongate3d_cc_rf2_o4, bcs, 0);

        for (int vi = 0; vi < groupdata.numvars; ++vi) {
          valid.at(tl).valid_int =
              coarsegroupdata.valid.at(tl).at(vi).valid_int &&
              coarsegroupdata.valid.at(tl).at(vi).valid_bnd &&
              groupdata.valid.at(tl).at(vi).valid_int &&
              groupdata.valid.at(tl).at(vi).valid_bnd;
          valid.at(tl).valid_bnd = false;
        }
      }

                           reffact, &prolongate3d_cc_rf2_o4, bcs, 0);

                           reffact, &prolongate3d_cc_rf2_o4, bcs, 0);

          for (int vi = 0; vi < groupdata.numvars; ++vi)
            groupdata.valid.at(tl).at(vi).valid_bnd =
                coarsegroupdata.valid.at(tl).at(vi).valid_int &&
                coarsegroupdata.valid.at(tl).at(vi).valid_bnd &&
                groupdata.valid.at(tl).at(vi).valid_int;
        }

              cphysbc, 0, fphysbc, 0, reffact, &prolongate3d_cc_rf2_o4, bcs, 0);

              cphysbc, 0, fphysbc, 0, reffact, &prolongate3d_cc_rf2_o4, bcs, 0);