o eiv@sfddlmZddlmZmZmZerddlmZddlZddl m Z m Z m Z ddddZ dddZdS)) annotations)Any TYPE_CHECKINGUnion)SequenceN) _match_levelsDimEntryndim_of_levelsTargr orig_ndimint allow_noneboolreturnr cCsdddlm}|dur|rtSt||rt|St|tr/|dkr'|}t|S||}t|StS)a& Convert various dimension representations to DimEntry. Args: arg: The argument to convert (Dim, int, or other) orig_ndim: Original number of dimensions allow_none: Whether to allow None values Returns: DimEntry representation of the dimension r)DimNr)rr isinstancer )r r rrposr^/var/www/addictedbytheproject.nl/epg/venv/lib/python3.10/site-packages/functorch/dim/_order.py _wrap_dims   r tensor_or_dimUnion[torch.Tensor, Any]dimsUnion[Any, Sequence[Any]] torch.Tensorcsddlm}m}m}t||r|jdd}|j}|j}nt||r.t|g}| }d}nt dgg}|ddt dfd d } d } |D]^} t | d} | sb| | | d7} qMt| |rx| jD] } | t| | d7} qjqM| d7} t| d st dt| }|tt|f|D]}t |d} | rt d| | qqMd}g}D]}| rq|r|dkrt|}|||q|dkrt|}||durtdt|||}|rg}|}t|D] }|||qd }|D]9\}}||kr!|||||d7}||ksd}t|D] }|||||9}q'||||7}q|tkr[|||||d7}|tksGt|ttD] }|||qft| }|d kr|d||||d}||}d }tt|dddD] }||s||kr||| kr|d8}t|||<q||||}|S)a Reorder the dimensions of a tensor or create a tensor from a dimension. It allows reordering tensor dimensions using first-class dimensions and positional indices. Args: tensor_or_dim: Input tensor with first-class dimensions, or a Dim object *dims: Dimensions or sequences of dimensions specifying the new order Returns: Tensor with reordered dimensions Examples: >>> import torch >>> from functorch.dim import dims >>> batch, channel, height, width = dims(4) >>> x = torch.randn(2, 3, 4, 5)[batch, channel, height, width] >>> # Reorder to [height, width, batch, channel] >>> y = order(x, height, width, batch, channel) r)rDimListTensorNFz-First argument must be a Tensor or Dim objectdr rNonecsz|}Wn tyd}Ynw|dur4|r*tdd|dtd|dt|<|dS)zEAdd a dimension to the reordering, removing it from available levels.Nz tensor has z positional dimensions, but z% specified, or it was specified twiceztensor does not contain dim z or it was specified twice)index ValueError is_positionalpositiondimr append)ridxflat_positional_dimslevelsr rr append_dimXs  zorder..append_dimr__iter__z+expected a Dim, List[Dim], or Sequence[Dim]zexpected a Dim or intzCannot reorder None tensor)rr rr )rrrrr_levels_tensor _has_devicer _get_ranger"r ris_none_dimshasattrlistr&lenr#extendAssertionErrorrsizerangereshapefrom_positional)rrrrr orig_levelsdata has_device to_flattenr+n_new_positionalr entryr%seqitem insert_point new_levelslevelndata view_shapesizesi start_idxlengthnew_sizej n_to_removeseenresultrr(rorder*s                            rS)T)r rr r rrrr )rrrrrr) __future__rtypingrrrcollections.abcrtorch _dim_entryrr r rrSrrrrs