a
    d.                     @   s   d dl mZmZmZmZ d dlZd dlmZmZ dee eedddZ	ee eddd	Z
eeee f d
ddZdejeee  eee ee f dddZeedddZeedddZejejeejejf dddZdS )    )ListOptionalTupleUnionN)nnTensor)tensorsdimreturnc                 C   s    t | dkr| d S t| |S )zg
    Efficient version of torch.cat that avoids a copy if there is only a single element in a list
       r   )lentorchcat)r   r	    r   _/var/www/html/stable-diffusion-webui/venv/lib/python3.9/site-packages/torchvision/ops/_utils.py_cat   s    r   )boxesr
   c              	   C   sp   t dd | D dd}g }t| D ]*\}}|t|d d d df | q"t |dd}tj||gdd}|S )Nc                 S   s   g | ]}|qS r   r   ).0br   r   r   
<listcomp>       z/convert_boxes_to_roi_format.<locals>.<listcomp>r   r	   r   )r   	enumerateappendr   Z	full_liker   )r   Zconcat_boxestempir   idsZroisr   r   r   convert_boxes_to_roi_format   s    $r   )r   c                 C   sd   t | ttfr0| D ]}t|ddkd qn0t | tjrTt| ddkd ntdd d S )Nr      zNThe shape of the tensor in the boxes list is not correct as List[Tensor[L, 4]]   z5The boxes tensor shape is not correct as Tensor[K, 5]Fz>boxes is expected to be a Tensor[L, 5] or a List[Tensor[K, 4]])
isinstancelisttupler   Z_assertsizer   )r   Z_tensorr   r   r   check_roi_boxes_shape   s    r$   )modelnorm_classesr
   c                 C   s   |s$t jjjt jt jt jjjt jg}|D ] }t	|t j
s(td| dq(t|}g }g }|  D ]l}t| d r|dd |jddD  qbt||r|dd | D  qb|dd | D  qb||fS )	NzClass z  is not a subclass of nn.Module.c                 s   s   | ]}|j r|V  qd S NZrequires_gradr   pr   r   r   	<genexpr>@   r   z-split_normalization_params.<locals>.<genexpr>F)Zrecursec                 s   s   | ]}|j r|V  qd S r'   r(   r)   r   r   r   r+   B   r   c                 s   s   | ]}|j r|V  qd S r'   r(   r)   r   r   r   r+   D   r   )r   modulesZ	batchnormZ
_BatchNormZ	LayerNormZ	GroupNormZinstancenormZ_InstanceNormZLocalResponseNorm
issubclassModule
ValueErrorr"   nextchildrenextend
parametersr    )r%   r&   tclassesZnorm_paramsZother_paramsmoduler   r   r   split_normalization_params)   s(    
r7   )r4   r
   c                 C   sH   |   r&| jtjtjfv r| S |  S | jtjtjfv r<| S |  S d S r'   )	Zis_floating_pointdtyper   float32float64floatint32int64intr4   r   r   r   _upcastH   s    r@   c                 C   s   | j tjtjfvr|  S | S r'   )r8   r   r9   r:   r;   r?   r   r   r   _upcast_non_floatP   s    rA   )boxes1boxes2r
   c                 C   s   | j dd\}}}}|j dd\}}}}	t||}
t||}t||}t||	}t|}||k||
k@ }|| |
|  || ||   ||< || ||  || |	|   | }||fS )Nr   )Zunbindr   maxminZ
zeros_like)rB   rC   x1y1Zx2y2Zx1gZy1gZx2gZy2gZxkis1Zykis1Zxkis2Zykis2ZintsctkmaskZunionkr   r   r   _loss_inter_unionW   s    
$$rK   )r   )N)typingr   r   r   r   r   r   r   r>   r   r   r$   r.   typer7   r@   rA   rK   r   r   r   r   <module>   s    
 