bbox_gist_consider_split bbox_gist_fallback_split bbox_gist_picksplit_ext interval_cmp_lower interval_cmp_upper non_negative PLACE_LEFT PLACE_RIGHT tbox_adjust Tbox_gist_distance Tbox_gist_penalty Tbox_gist_picksplit Tbox_gist_same Tbox_gist_union tbox_index_consistent_leaf tbox_penalty tbox_size tbox_union_rt Tnumber_gist_compress tnumber_gist_consistent Tnumber_gist_consistent tnumber_gist_get_tbox

Tbox_gist_distance() PGDLLEXPORT Datum Tbox_gist_distance ( PG_FUNCTION_ARGS  ) GiST support function. Take in a query and an entry and return the "distance" between them.