

import numpy as np
import PIL
import torch
import torchvision.transforms as T
import torchvision.transforms.functional as TF
from PIL import Image





def 				__a							(       __A			,							__A=256						):
    SCREAMING_SNAKE_CASE__         =    min(img.size						)

    if s < target_image_size:
        raise ValueError(f"min dim for image {s} < {target_image_size}"						)

    SCREAMING_SNAKE_CASE__         =    target_image_size / s
    SCREAMING_SNAKE_CASE__         =    (round(r * img.size[1]						), round(r * img.size[0]						))
    SCREAMING_SNAKE_CASE__         =    TF.resize(__A			,							__A			,							interpolation=PIL.Image.LANCZOS						)
    SCREAMING_SNAKE_CASE__         =    TF.center_crop(__A			,							output_size=2 * [target_image_size]						)
    SCREAMING_SNAKE_CASE__         =    torch.unsqueeze(T.ToTensor()(__A						)			,							0						)
    return img





def 				__a							(       __A						):
    SCREAMING_SNAKE_CASE__         =    2.0 * x - 1.0
    return x





def 				__a							(       __A			,							__A=True			,							__A="RGB"						):
    SCREAMING_SNAKE_CASE__         =    x.detach().cpu()
    if process:
        SCREAMING_SNAKE_CASE__         =    post_process_tensor(__A						)
    SCREAMING_SNAKE_CASE__         =    x.numpy()
    if process:
        SCREAMING_SNAKE_CASE__         =    (255 * x).astype(np.uinta						)
    SCREAMING_SNAKE_CASE__         =    Image.fromarray(__A						)
    if not x.mode == mode:
        SCREAMING_SNAKE_CASE__         =    x.convert(__A						)
    return x





def 				__a							(       __A						):
    SCREAMING_SNAKE_CASE__         =    torch.clamp(__A			,							-1.0			,							1.0						)
    SCREAMING_SNAKE_CASE__         =    (x + 1.0) / 2.0
    SCREAMING_SNAKE_CASE__         =    x.permute(1			,							2			,							0						)
    return x





def 				__a							(       __A						):
    SCREAMING_SNAKE_CASE__         =    post_process_tensor(x.squeeze()						)
    return x.permute(2			,							0			,							1						).unsqueeze(0						)





def 				__a							(       __A			,							__A			,							__A			,							__A						):
    return len_board * len_board_column * row + column





def 				__a							(       __A			,							__A			,							__A			,							__A			,							__A			,							__A			,							):

    if board[row][column] != word[word_index]:
        return False

    if word_index == len(__A						) - 1:
        return True

    SCREAMING_SNAKE_CASE__         =    [(0, 1), (0, -1), (-1, 0), (1, 0)]
    SCREAMING_SNAKE_CASE__         =    len(__A						)
    SCREAMING_SNAKE_CASE__         =    len(board[0]						)
    for direction in traverts_directions:
        SCREAMING_SNAKE_CASE__         =    row + direction[0]
        SCREAMING_SNAKE_CASE__         =    column + direction[1]
        if not (0 <= next_i < len_board and 0 <= next_j < len_board_column):
            continue

        SCREAMING_SNAKE_CASE__         =    get_point_key(__A			,							__A			,							__A			,							__A						)
        if key in visited_points_set:
            continue

        visited_points_set.add(__A						)
        if exits_word(__A			,							__A			,							__A			,							__A			,							word_index + 1			,							__A						):
            return True

        visited_points_set.remove(__A						)

    return False





def 				__a							(       __A			,							__A						):
    SCREAMING_SNAKE_CASE__         =    (
        "The board should be a non empty matrix of single chars strings."
    )

    SCREAMING_SNAKE_CASE__         =    len(__A						)
    if not isinstance(__A			,							__A						) or len(__A						) == 0:
        raise ValueError(__A						)

    for row in board:
        if not isinstance(__A			,							__A						) or len(__A						) == 0:
            raise ValueError(__A						)

        for item in row:
            if not isinstance(__A			,							__A						) or len(__A						) != 1:
                raise ValueError(__A						)

    # Validate word
    if not isinstance(__A			,							__A						) or len(__A						) == 0:
        raise ValueError(
            "The word parameter should be a string of length greater than 0."						)

    SCREAMING_SNAKE_CASE__         =    len(board[0]						)
    for i in range(__A						):
        for j in range(__A						):
            if exits_word(
                __A			,							__A			,							__A			,							__A			,							0			,							{get_point_key(__A			,							__A			,							__A			,							__A						)}						):
                return True

    return False


if __name__ == "__main__":
  import doctest

  doctest.testmod()


