This PR adds a member old_global_first_quadrant to the p4est_wrap_t.
It stores the global_first_quadrant array of the wrap's p4est before partitioning and can be used to organize data transfers with transfer_fixed and transfer_custom in between calls to wrap_partition and wrap_adapt.
This PR adds a member
old_global_first_quadrantto thep4est_wrap_t. It stores the global_first_quadrant array of the wrap's p4est before partitioning and can be used to organize data transfers withtransfer_fixedandtransfer_customin between calls towrap_partitionandwrap_adapt.