o
    h                     @   s  d dl mZ d dlmZ d dlZd dlmZ ddlmZmZm	Z	m
Z
 g dZdd	eeeejf d
efddZd
ee fddZ	dded	eeeejf d
dfddZdee d
dfddZded
dfddZded
dfddZd ddZd ddZd
efddZdS )!    )Iterable)UnionN)Tensor   )
_lazy_call
_lazy_initcurrent_devicedevice_count)	get_rng_stateget_rng_state_allset_rng_stateset_rng_state_allmanual_seedmanual_seed_allseedseed_allinitial_seedcudadevicereturnc                 C   sZ   t   t| trt| } nt| trtd| } | j}|du r#t }tjj	| }|
 S )aR  Return the random number generator state of the specified GPU as a ByteTensor.

    Args:
        device (torch.device or int, optional): The device to return the RNG state of.
            Default: ``'cuda'`` (i.e., ``torch.device('cuda')``, the current CUDA device).

    .. warning::
        This function eagerly initializes CUDA.
    r   N)r   
isinstancestrtorchr   intindexr   r   default_generators	get_state)r   idxdefault_generator r   e/var/www/html/construction_image-detection-poc/venv/lib/python3.10/site-packages/torch/cuda/random.pyr
      s   


r
   c                  C   s   dd t t D } | S )zQReturn a list of ByteTensor representing the random number states of all devices.c                 S   s   g | ]}t |qS r   )r
   ).0ir   r   r    
<listcomp>0   s    z%get_rng_state_all.<locals>.<listcomp>)ranger	   )resultsr   r   r    r   .   s   r   	new_statec                    s~   t j  | jt jdW d   n1 sw   Y  t tr't   nt tr2t d   fdd}t	| dS )a/  Set the random number generator state of the specified GPU.

    Args:
        new_state (torch.ByteTensor): The desired state
        device (torch.device or int, optional): The device to set the RNG state.
            Default: ``'cuda'`` (i.e., ``torch.device('cuda')``, the current CUDA device).
    )memory_formatNr   c                     s.    j } | d u r
t } tjj|  }| d S N)r   r   r   r   r   	set_stater   r   r   new_state_copyr   r    cbE   s
   zset_rng_state.<locals>.cb)
r   _C_DisableFuncTorchclonecontiguous_formatr   r   r   r   r   )r&   r   r-   r   r+   r    r   4   s   


r   
new_statesc                 C   s    t | D ]	\}}t|| qdS )zSet the random number generator state of all devices.

    Args:
        new_states (Iterable of torch.ByteTensor): The desired state for each device.
    N)	enumerater   )r2   r"   stater   r   r    r   O   s   r   r   c                    $   t    fdd}t|dd dS )a  Set the seed for generating random numbers for the current GPU.

    It's safe to call this function if CUDA is not available; in that
    case, it is silently ignored.

    Args:
        seed (int): The desired seed.

    .. warning::
        If you are working with a multi-GPU model, this function is insufficient
        to get determinism.  To seed all GPUs, use :func:`manual_seed_all`.
    c                     s    t  } tjj|  }|  d S r(   )r   r   r   r   r   r*   r   r   r    r-   h   s   zmanual_seed.<locals>.cbTr6   Nr   r   r   r-   r   r6   r    r   Y   s   r   c                    r5   )zSet the seed for generating random numbers on all GPUs.

    It's safe to call this function if CUDA is not available; in that
    case, it is silently ignored.

    Args:
        seed (int): The desired seed.
    c                     s*   t t D ]} tjj|  }|  qd S r(   )r$   r	   r   r   r   r   )r"   r   r6   r   r    r-   {   s   zmanual_seed_all.<locals>.cbT)r   Nr7   r8   r   r6   r    r   p   s   	r   c                  C      dd } t |  dS )at  Set the seed for generating random numbers to a random number for the current GPU.

    It's safe to call this function if CUDA is not available; in that
    case, it is silently ignored.

    .. warning::
        If you are working with a multi-GPU model, this function will only initialize
        the seed on one GPU.  To initialize all GPUs, use :func:`seed_all`.
    c                  S   s   t  } tjj|  }|  d S r(   )r   r   r   r   r   r*   r   r   r    r-      s   zseed.<locals>.cbNr   r-   r   r   r    r      s   c                  C   r9   )zSet the seed for generating random numbers to a random number on all GPUs.

    It's safe to call this function if CUDA is not available; in that
    case, it is silently ignored.
    c                  S   sL   d} d}t t D ]}tjj| }|s|  | } d}q	||  q	d S )Nr   FT)r$   r	   r   r   r   r   r   r   )random_seedseededr"   r   r   r   r    r-      s   zseed_all.<locals>.cbNr:   r;   r   r   r    r      s   r   c                  C   s    t   t } tjj|  }| S )zyReturn the current random seed of the current GPU.

    .. warning::
        This function eagerly initializes CUDA.
    )r   r   r   r   r   r   r*   r   r   r    r      s   r   )r   )r   N)collections.abcr   typingr   r   r    r   r   r   r	   __all__r   r   r   r
   listr   r   r   r   r   r   r   r   r   r   r   r    <module>   s,    



