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    ‘i÷  ã                   @   sö   d Z ddlZddlmZ ddlmZ ddlmZ ddlmZmZ ddl	m	Z	 dd	l
m
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 dd
lmZ ddlmZ ddlmZ ddlmZ ddlmZ ddlmZ ddlmZ dee dee dee dee dee dededededefdd„ZdS )zFunctional interfaceé    N)ÚTensor)ÚListé   )Úadadelta)ÚadagradÚ_make_sparse)Úadam)Úadamw)Úadamax)Úasgd)Únadam)Úradam)Úrmsprop)Úrprop)ÚsgdÚparamsÚgradsÚexp_avgsÚexp_avg_sqsÚstate_stepsÚepsÚbeta1Úbeta2ÚlrÚmaximizec                   sR  t | ƒD ]¢\}
}||
 ‰ |	sˆ nˆ  ‰ ˆ  ¡ ‰ ˆ  ¡ ‰ˆ  ¡ }| ¡ dkr&qˆ  ¡ ‰||
 }||
 }||
 }‡ ‡‡fdd„}| ˆ ¡ ¡ }| |¡ d| ¡}| 	||ƒ¡ | ˆ ¡ ¡ }| 
d¡ |¡ d| ¡}| 	||ƒ¡ | 	|¡}| 	|¡ | ¡  	|¡}~~d||  }d||  }|t |¡ | }| 	|| | |¡ ƒ¡ qdS )z{Functional API that performs Sparse Adam algorithm computation.

    See :class:`~torch.optim.SparseAdam` for details.
    r   c                    s6   ˆ j }ˆ ¡ dks|  ¡ dkr|ƒ  ˆ ¡S |ˆ| ˆƒS )Nr   )ÚnewÚdimZ
resize_as_)ÚvaluesÚconstructor©ZgradZgrad_indicesÚsize© úf/var/www/html/eduruby.in/lip-sync/lip-sync-env/lib/python3.10/site-packages/torch/optim/_functional.pyÚmake_sparse5   s   z sparse_adam.<locals>.make_sparser   é   N)Ú	enumerateZcoalesceZ_indicesZ_valuesZnumelr    Zsparse_maskÚsubZmul_Zadd_ÚpowZsub_Zsqrt_ÚmathÚsqrtZdiv_)r   r   r   r   r   r   r   r   r   r   ÚiÚparamZgrad_valuesZexp_avgZ
exp_avg_sqÚstepr#   Zold_exp_avg_valuesZexp_avg_update_valuesZold_exp_avg_sq_valuesZexp_avg_sq_update_valuesZnumerÚdenomZbias_correction1Zbias_correction2Z	step_sizer!   r   r"   Úsparse_adam   s8   	

Ör.   )Ú__doc__r(   Ztorchr   Útypingr   r   r   r   r   r	   r
   r   r   r   r   r   r   ÚintÚfloatÚboolr.   r!   r!   r!   r"   Ú<module>   sD    
ÿþýüúùø	÷
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