as_drawdown             Validate a binary weaving drawdown
canonical_drawdown      Canonical key for a periodic drawdown
compare_drawdowns       Align two periodic drawdowns
drawdown_dist           Pairwise periodic Hamming distances
duplicate_drawdowns     Find exact duplicate structures in a collection
primitive_repeat        Reduce a drawdown to its primitive rectangular
                        repeat
shift_drawdown          Shift a drawdown cyclically
