This PR adds various block sparse operations such as indexing with Block types, which are useful for the dropzeros and splitblocks functionality introduced here: https://github.com/ITensor/ITensors.jl/pull/540.
dropzeros and splitblocks should probably be moved to NDTensors.
This PR adds various block sparse operations such as indexing with
Block
types, which are useful for thedropzeros
andsplitblocks
functionality introduced here: https://github.com/ITensor/ITensors.jl/pull/540.dropzeros
andsplitblocks
should probably be moved to NDTensors.