§
    ŠŠtjº  ã                   ó”   — d dl 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ZmZ d dlmZ d	gZ G d
„ d	e¦  «        ZdS )é    N)ÚTensor)Úconstraints)ÚTransformedDistribution)ÚAffineTransformÚExpTransform)ÚUniform)Úbroadcast_allÚeuler_constant)Ú_NumberÚGumbelc            	       óþ   ‡ — e Zd ZdZej        ej        dœZej        Z	 dde	e
z  de	e
z  dedz  ddfˆ fd„Zdˆ fd	„	Zd
„ Zede	fd„¦   «         Zede	fd„¦   «         Zede	fd„¦   «         Zede	fd„¦   «         Zd„ Zˆ xZS )r   a·  
    Samples from a Gumbel Distribution.

    Examples::

        >>> # xdoctest: +IGNORE_WANT("non-deterministic")
        >>> m = Gumbel(torch.tensor([1.0]), torch.tensor([2.0]))
        >>> m.sample()  # sample from Gumbel distribution with loc=1, scale=2
        tensor([ 1.0124])

    Args:
        loc (float or Tensor): Location parameter of the distribution
        scale (float or Tensor): Scale parameter of the distribution
    ©ÚlocÚscaleNr   r   Úvalidate_argsÚreturnc                 óÀ  •— t          ||¦  «        \  | _        | _        t          j        | j        j        ¦  «        }t          |t          ¦  «        r5t          |t          ¦  «        r t          |j	        d|j
        z
  |¬¦  «        }nOt          t          j        | j        |j	        ¦  «        t          j        | j        d|j
        z
  ¦  «        |¬¦  «        }t          ¦   «         j        t          dt          j        | j        ¦  «         ¬¦  «        t          ¦   «         j        t          || j         ¬¦  «        g}t!          ¦   «                              |||¬¦  «         d S )Né   )r   r   r   )r	   r   r   ÚtorchÚfinfoÚdtypeÚ
isinstancer   r   ÚtinyÚepsÚ	full_liker   Úinvr   Ú	ones_likeÚsuperÚ__init__)Úselfr   r   r   r   Ú	base_distÚ
transformsÚ	__class__s          €úX/var/www/html/CA-Chatbot/venv/lib/python3.11/site-packages/torch/distributions/gumbel.pyr   zGumbel.__init__%   s)  ø€ õ  -¨S°%Ñ8Ô8ÑˆŒ�$”*Ý”˜DœHœNÑ+Ô+ˆÝ�c�7Ñ#Ô#ð 	­
°5½'Ñ(BÔ(Bð 	Ý ¤
¨A°´	©MÈÐWÑWÔWˆIˆIåÝ” ¤¨%¬*Ñ5Ô5Ý” ¤¨!¨e¬i©-Ñ8Ô8Ø+ðñ ô ˆIõ ‰NŒNÔÝ ­%¬/¸$¼*Ñ*EÔ*EÐ)EÐFÑFÔFÝ‰NŒNÔÝ ¨D¬J¨;Ð7Ñ7Ô7ð	
ˆ
õ 	‰Œ×Ò˜ J¸mÐÑLÔLÐLÐLÐLó    c                 óü   •— |                       t          |¦  «        }| j                             |¦  «        |_        | j                             |¦  «        |_        t          ¦   «                              ||¬¦  «        S )N)Ú	_instance)Ú_get_checked_instancer   r   Úexpandr   r   )r    Úbatch_shaper'   Únewr#   s       €r$   r)   zGumbel.expand=   s^   ø€ Ø×(Ò(­°Ñ;Ô;ˆØ”(—/’/ +Ñ.Ô.ˆŒØ”J×%Ò% kÑ2Ô2ˆŒ	Ý‰wŒw�~Š~˜k°Sˆ~Ñ9Ô9Ð9r%   c                 óÀ   — | j         r|                      |¦  «         | j        |z
  | j        z  }||                     ¦   «         z
  | j                             ¦   «         z
  S ©N)Ú_validate_argsÚ_validate_sampler   r   ÚexpÚlog)r    ÚvalueÚys      r$   Úlog_probzGumbel.log_probD   sW   € ØÔð 	)Ø×!Ò! %Ñ(Ô(Ð(ØŒX˜Ñ ¤Ñ+ˆØ�A—E’E‘G”G‘˜tœzŸ~š~Ñ/Ô/Ñ/Ð/r%   c                 ó0   — | j         | j        t          z  z   S r-   )r   r   r
   ©r    s    r$   ÚmeanzGumbel.meanJ   s   € àŒx˜$œ*¥~Ñ5Ñ5Ð5r%   c                 ó   — | j         S r-   )r   r6   s    r$   ÚmodezGumbel.modeN   s	   € àŒxˆr%   c                 óT   — t           j        t          j        d¦  «        z  | j        z  S )Né   )ÚmathÚpiÚsqrtr   r6   s    r$   ÚstddevzGumbel.stddevR   s   € å”�$œ) A™,œ,Ñ&¨$¬*Ñ4Ð4r%   c                 ó6   — | j                              d¦  «        S )Né   )r?   Úpowr6   s    r$   ÚvariancezGumbel.varianceV   s   € àŒ{�Š˜qÑ!Ô!Ð!r%   c                 óJ   — | j                              ¦   «         dt          z   z   S )Nr   )r   r1   r
   r6   s    r$   ÚentropyzGumbel.entropyZ   s   € ØŒz�~Š~ÑÔ 1¥~Ñ#5Ñ6Ð6r%   r-   )Ú__name__Ú
__module__Ú__qualname__Ú__doc__r   ÚrealÚpositiveÚarg_constraintsÚsupportr   ÚfloatÚboolr   r)   r4   Úpropertyr7   r9   r?   rC   rE   Ú__classcell__)r#   s   @r$   r   r      sƒ  ø€ € € € € ðð ð *Ô.¸Ô9MÐNÐN€OàÔ€Gð &*ð	Mð Mà�e‰^ðMð ˜‰~ðMð ˜d‘{ð	Mð
 
ðMð Mð Mð Mð Mð Mð0:ð :ð :ð :ð :ð :ð0ð 0ð 0ð ð6�fð 6ð 6ð 6ñ „Xð6ð ð�fð ð ð ñ „Xðð ð5˜ð 5ð 5ð 5ñ „Xð5ð ð"˜&ð "ð "ð "ñ „Xð"ð7ð 7ð 7ð 7ð 7ð 7ð 7r%   )r<   r   r   Útorch.distributionsr   Ú,torch.distributions.transformed_distributionr   Útorch.distributions.transformsr   r   Útorch.distributions.uniformr   Útorch.distributions.utilsr	   r
   Útorch.typesr   Ú__all__r   © r%   r$   ú<module>rZ      sé   ðà €€€à €€€Ø Ð Ð Ð Ð Ð Ø +Ð +Ð +Ð +Ð +Ð +Ø PÐ PÐ PÐ PÐ PÐ PØ HÐ HÐ HÐ HÐ HÐ HÐ HÐ HØ /Ð /Ð /Ð /Ð /Ð /Ø CÐ CÐ CÐ CÐ CÐ CÐ CÐ CØ Ð Ð Ð Ð Ð ð ˆ*€ðJ7ð J7ð J7ð J7ð J7Ð$ñ J7ô J7ð J7ð J7ð J7r%   