The GIZMO implementation used an old neighbour search algorithm that is not included in the public version of the code. We replaced it by the new neighbour search TreeWalker, but this has never been tested and probably does not work with periodic boundaries.
The GIZMO implementation used an old neighbour search algorithm that is not included in the public version of the code. We replaced it by the new neighbour search TreeWalker, but this has never been tested and probably does not work with periodic boundaries.