*
* Zone permutation from the Cartesian x-major/z-minor order to an order
* that leads to consecutive charge groups for neighbor searching.
- * TODO: remove when the group scheme is removed
+ * TODO: It should be possible to remove this now that the group scheme is removed
*/
static const int zone_perm[3][4] = { {0, 0, 0, 0}, {1, 0, 0, 0}, {3, 0, 1, 2} };