o
    toi#
                     @  sD   d dl mZ d dlZd dlmZ 		ddddZG dd deZdS )    )annotationsN)OpRunh㈵>X
np.ndarrayWBaxisintepsilonfloatreturn)tuple[np.ndarray, np.ndarray, np.ndarray]c                 C  s8  | j }t|}|dk r|| }|| }|d| d|  }d}	d}
t|D ]}||k r2|	|| 9 }	q%|
|| 9 }
q%t| |	|
f}tj|ddd|
 }|| }|| }tj|ddd|
 }|| }t|}t|}|| }t||| }|d ur|| }t||}t||}|| j	|| j	|| j	fS )Nr   )   r   T)r
   keepdims)
shapelenrangenpreshapesumsqrt
reciprocalastypedtype)r   r   r	   r
   r   X_shapeX_rankunsqueezed_rankreduction_shape
row_number
col_numberix_matx_meanx_diffx_squared_diffvariancevariance_epsstd_devinv_std_devy_matYX_meanX_inv_std_dev r/   ]/home/ubuntu/.local/lib/python3.10/site-packages/onnx/reference/ops/op_layer_normalization.py_layer_normalization   s6   

"r1   c                   @  s   e Zd ZdddZdS )LayerNormalizationNc                 C  s*   |dkrt d| dt|||||dS )Nr   z2LayerNormalization not implemented for stash_type=z != 1.)r
   r   )NotImplementedErrorr1   )selfr   Scaler	   r
   r   
stash_typer/   r/   r0   _runD   s
   
zLayerNormalization._run)NNNN)__name__
__module____qualname__r7   r/   r/   r/   r0   r2   C   s    r2   )r   r   )r   r   r   r   r	   r   r
   r   r   r   r   r   )
__future__r   numpyr   onnx.reference.op_runr   r1   r2   r/   r/   r/   r0   <module>   s   8