} 0.7  

} 0.7

} 0.5 

} 0.5

USES CCTK_REAL max_runtime 

USES CCTK_REAL max_runtime

    grid.loop_bnd(groupdata.indextype, [&](const Loop::PointDesc &p) {
      tags_array4(grid.cactus_offset.x + p.i, grid.cactus_offset.y + p.j,
                  grid.cactus_offset.z + p.k) = TagBox::CLEAR;
    });

    // Do not set the boundary; AMReX's error grid function might have
    // a different number of ghost zones, and these ghost zones are
    // probably unused anyway.
    // grid.loop_bnd(groupdata.indextype, [&](const Loop::PointDesc &p) {
    //   tags_array4(grid.cactus_offset.x + p.i, grid.cactus_offset.y + p.j,
    //               grid.cactus_offset.z + p.k) = TagBox::CLEAR;
    // });