

import unittest

import numpy as np
import torch

from diffusers import ScoreSdeVePipeline, ScoreSdeVeScheduler, UNetaDModel
from diffusers.utils.testing_utils import enable_full_determinism, require_torch, slow, torch_device


enable_full_determinism()





class     snake_case_			(				unittest.TestCase							):


							"""simple docstring"""





							@property
							def        A__  ( self							):
												torch.manual_seed(0							)
												__lowerCAmelCase					=							UNetaDModel(
												    block_out_channels=(3_2, 6_4)					,						layers_per_block=2					,						sample_size=3_2					,						in_channels=3					,						out_channels=3					,						down_block_types=('DownBlock2D', 'AttnDownBlock2D')					,						up_block_types=('AttnUpBlock2D', 'UpBlock2D')					,						)
												return model




							def        A__  ( self							):
												__lowerCAmelCase					=							self.dummy_uncond_unet
												__lowerCAmelCase					=							ScoreSdeVeScheduler()

												__lowerCAmelCase					=							ScoreSdeVePipeline(unet=_A					,						scheduler=_A							)
												sde_ve.to(_A							)
												sde_ve.set_progress_bar_config(disable=_A							)

												__lowerCAmelCase					=							torch.manual_seed(0							)
												__lowerCAmelCase					=							sde_ve(num_inference_steps=2					,						output_type='numpy'					,						generator=_A							).images

												__lowerCAmelCase					=							torch.manual_seed(0							)
												__lowerCAmelCase					=							sde_ve(num_inference_steps=2					,						output_type='numpy'					,						generator=_A					,						return_dict=_A							)[
												    0
												]

												__lowerCAmelCase					=							image[0, -3:, -3:, -1]
												__lowerCAmelCase					=							image_from_tuple[0, -3:, -3:, -1]

												assert image.shape == (1, 3_2, 3_2, 3)
												__lowerCAmelCase					=							np.array([0.0, 1.0, 0.0, 0.0, 0.0, 1.0, 0.0, 0.0, 0.0]							)

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





@slow
@require_torch
class     snake_case_			(				unittest.TestCase							):


							"""simple docstring"""





							def        A__  ( self							):
												__lowerCAmelCase					=							'google/ncsnpp-church-256'
												__lowerCAmelCase					=							UNetaDModel.from_pretrained(_A							)

												__lowerCAmelCase					=							ScoreSdeVeScheduler.from_pretrained(_A							)

												__lowerCAmelCase					=							ScoreSdeVePipeline(unet=_A					,						scheduler=_A							)
												sde_ve.to(_A							)
												sde_ve.set_progress_bar_config(disable=_A							)

												__lowerCAmelCase					=							torch.manual_seed(0							)
												__lowerCAmelCase					=							sde_ve(num_inference_steps=1_0					,						output_type='numpy'					,						generator=_A							).images

												__lowerCAmelCase					=							image[0, -3:, -3:, -1]

												assert image.shape == (1, 2_5_6, 2_5_6, 3)

												__lowerCAmelCase					=							np.array([0.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 0.0, 0.0]							)

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









from __future__ import annotations

from collections.abc import MutableSequence





class     snake_case_			:


							"""simple docstring"""





							def __init__( self					,						_A					,						_A							):
												if len(_A							) != degree + 1:
																	raise ValueError(
																	    'The number of coefficients should be equal to the degree + 1.'							)

												__lowerCAmelCase					=							list(_A							)
												__lowerCAmelCase					=							degree




							def __add__( self					,						_A							):

												if self.degree > polynomial_a.degree:
																	__lowerCAmelCase					=							self.coefficients[:]
																	for i in range(polynomial_a.degree + 1							):
																						coefficients[i] += polynomial_a.coefficients[i]
																	return Polynomial(self.degree					,						_A							)
												else:
																	__lowerCAmelCase					=							polynomial_a.coefficients[:]
																	for i in range(self.degree + 1							):
																						coefficients[i] += self.coefficients[i]
																	return Polynomial(polynomial_a.degree					,						_A							)




							def __sub__( self					,						_A							):
												return self + polynomial_a * Polynomial(0					,						[-1]							)




							def __neg__( self							):
												return Polynomial(self.degree					,						[-c for c in self.coefficients]							)




							def __mul__( self					,						_A							):
												__lowerCAmelCase					=							[0] * (self.degree + polynomial_a.degree + 1)
												for i in range(self.degree + 1							):
																	for j in range(polynomial_a.degree + 1							):
																						coefficients[i + j] += (
																						    self.coefficients[i] * polynomial_a.coefficients[j]
																						)

												return Polynomial(self.degree + polynomial_a.degree					,						_A							)




							def        A__  ( self					,						_A							):
												__lowerCAmelCase					=							0
												for i in range(self.degree + 1							):
																	result += self.coefficients[i] * (substitution**i)
												return result




							def __str__( self							):
												__lowerCAmelCase					=							''
												for i in range(self.degree					,						-1					,						-1							):
																	if self.coefficients[i] == 0:
																						continue
																	elif self.coefficients[i] > 0:
																						if polynomial:
																											polynomial += " + "
																	else:
																						polynomial += " - "

																	if i == 0:
																						polynomial += str(abs(self.coefficients[i]							)							)
																	elif i == 1:
																						polynomial += str(abs(self.coefficients[i]							)							) + "x"
																	else:
																						polynomial += str(abs(self.coefficients[i]							)							) + "x^" + str(_A							)

												return polynomial




							def __repr__( self							):
												return self.__str__()




							def        A__  ( self							):
												__lowerCAmelCase					=							[0] * self.degree
												for i in range(self.degree							):
																	__lowerCAmelCase					=							self.coefficients[i + 1] * (i + 1)
												return Polynomial(self.degree - 1					,						_A							)




							def        A__  ( self					,						_A = 0							):
												__lowerCAmelCase					=							[0] * (self.degree + 2)
												__lowerCAmelCase					=							constant
												for i in range(self.degree + 1							):
																	__lowerCAmelCase					=							self.coefficients[i] / (i + 1)
												return Polynomial(self.degree + 1					,						_A							)




							def __eq__( self					,						_A							):
												if not isinstance(_A					,						_A							):
																	return False

												if self.degree != polynomial_a.degree:
																	return False

												for i in range(self.degree + 1							):
																	if self.coefficients[i] != polynomial_a.coefficients[i]:
																						return False

												return True




							def __ne__( self					,						_A							):
												return not self.__eq__(_A							)






