Allow for more discrete dimensions than a single one (PIDs).
Essentially, this boils down to indexing slices with a multi-index, instead of a single integer. A suitable multi-index struct should be ideal (somehow similar to PineAPPL's bins, but simpler, since inherent to discrete spaces).
Allow for more discrete dimensions than a single one (PIDs).
Essentially, this boils down to indexing slices with a multi-index, instead of a single integer. A suitable multi-index
structshould be ideal (somehow similar to PineAPPL's bins, but simpler, since inherent to discrete spaces).