'''simple docstring'''




import unittest

import numpy as np
import torch

from diffusers import VersatileDiffusionImageVariationPipeline
from diffusers.utils.testing_utils import load_image, require_torch_gpu, slow, torch_device


__UpperCAmelCase												=False




class    a__				(       unittest.TestCase			):
     pass




@slow
@require_torch_gpu
class    a__				(       unittest.TestCase			):






     def        SCREAMING_SNAKE_CASE__       (			self		:		Dict   ):





         """simple docstring"""



         __lowerCamelCase          =  VersatileDiffusionImageVariationPipeline.from_pretrained('''shi-labs/versatile-diffusion'''   )
         pipe.to(a   )
         pipe.set_progress_bar_config(disable=a   )

         __lowerCamelCase          =  load_image(
             '''https://huggingface.co/datasets/hf-internal-testing/diffusers-images/resolve/main/versatile_diffusion/benz.jpg'''   )
         __lowerCamelCase          =  torch.manual_seed(0   )
         __lowerCamelCase          =  pipe(
             image=a  ,    generator=a  ,    guidance_scale=7.5  ,    num_inference_steps=50  ,    output_type='''numpy'''  ,    ).images

         __lowerCamelCase          =  image[0, 2_53:2_56, 2_53:2_56, -1]

         assert image.shape == (1, 5_12, 5_12, 3)
         __lowerCamelCase          =  np.array([0.04_41, 0.04_69, 0.05_07, 0.05_75, 0.06_32, 0.06_50, 0.08_65, 0.09_09, 0.09_45]   )

         assert np.abs(image_slice.flatten() - expected_slice   ).max() < 1e-2

'''simple docstring'''




from bisect import bisect
from itertools import accumulate






def __lowerCAmelCase			(							UpperCamelCase__    ,  UpperCamelCase__    ,  UpperCamelCase__    ,  UpperCamelCase__    )     ->   str:
    __lowerCamelCase          =  sorted(zip(UpperCamelCase__    ,  UpperCamelCase__    )    ,  key=lambda UpperCamelCase__    : x[0] / x[1]    ,  reverse=UpperCamelCase__    )
    __lowerCamelCase     ,  __lowerCamelCase          =  [i[0] for i in r], [i[1] for i in r]
    __lowerCamelCase          =  list(accumulate(UpperCamelCase__    )    )
    __lowerCamelCase          =  bisect(UpperCamelCase__    ,  UpperCamelCase__    )
    return (
        0
        if k == 0
        else sum(vl[:k]    ) + (w - acc[k - 1]) * (vl[k]) / (wt[k])
        if k != n
        else sum(vl[:k]    )
    )


if __name__ == "__main__":
  import doctest

  doctest.testmod()
