





"""simple docstring"""




def 	a_    (							_lowercase	,						_lowercase	,						_lowercase       ):
						_UpperCamelCase      : Optional[Any]         =   len(_lowercase       )
						_UpperCamelCase      : Dict         =   [[0] * n for i in range(_lowercase       )]
						for i in range(_lowercase       ):
												_UpperCamelCase      : Any         =   y_points[i]

						for i in range(2	,						_lowercase       ):
												for j in range(_lowercase	,						_lowercase       ):
																		_UpperCamelCase      : List[Any]         =   (
																		    (xa - x_points[j - i + 1]) * q[j][i - 1]
																		    - (xa - x_points[j]) * q[j - 1][i - 1]
																		) / (x_points[j] - x_points[j - i + 1])

						return [q[n - 1][n - 1], q]


if __name__ == "__main__":
						import doctest

						doctest.testmod()










"""simple docstring"""




import gc
import unittest

import numpy as np
import torch
from transformers import CLIPTextConfig, CLIPTextModel, XLMRobertaTokenizer

from diffusers import AltDiffusionPipeline, AutoencoderKL, DDIMScheduler, PNDMScheduler, UNetaDConditionModel
from diffusers.pipelines.alt_diffusion.modeling_roberta_series import (
    RobertaSeriesConfig,
    RobertaSeriesModelWithTransformation,
)
from diffusers.utils import slow, torch_device
from diffusers.utils.testing_utils import enable_full_determinism, require_torch_gpu

from ..pipeline_params import TEXT_TO_IMAGE_BATCH_PARAMS, TEXT_TO_IMAGE_IMAGE_PARAMS, TEXT_TO_IMAGE_PARAMS
from ..test_pipelines_common import PipelineKarrasSchedulerTesterMixin, PipelineLatentTesterMixin, PipelineTesterMixin


enable_full_determinism()




class 			_a						(				_lowerCAmelCase     ,    _lowerCAmelCase     ,    _lowerCAmelCase     ,    unittest.TestCase    ):
				UpperCamelCase								=   AltDiffusionPipeline
				UpperCamelCase								=   TEXT_TO_IMAGE_PARAMS
				UpperCamelCase								=   TEXT_TO_IMAGE_BATCH_PARAMS
				UpperCamelCase								=   TEXT_TO_IMAGE_IMAGE_PARAMS
				UpperCamelCase								=   TEXT_TO_IMAGE_IMAGE_PARAMS






				def     snake_case     (			self		:   int							)     ->				int:




										'''simple docstring'''



										torch.manual_seed(0							)
										_UpperCamelCase      : Dict         =   UNetaDConditionModel(
										    block_out_channels=(3_2, 6_4),			layers_per_block=2,			sample_size=3_2,			in_channels=4,			out_channels=4,			down_block_types=('''DownBlock2D''', '''CrossAttnDownBlock2D'''),			up_block_types=('''CrossAttnUpBlock2D''', '''UpBlock2D'''),			cross_attention_dim=3_2,			)
										_UpperCamelCase      : Union[str, Any]         =   DDIMScheduler(
										    beta_start=0.00_085,			beta_end=0.012,			beta_schedule='''scaled_linear''',			clip_sample=lowerCAmelCase__,			set_alpha_to_one=lowerCAmelCase__,			)
										torch.manual_seed(0							)
										_UpperCamelCase      : List[str]         =   AutoencoderKL(
										    block_out_channels=[3_2, 6_4],			in_channels=3,			out_channels=3,			down_block_types=['''DownEncoderBlock2D''', '''DownEncoderBlock2D'''],			up_block_types=['''UpDecoderBlock2D''', '''UpDecoderBlock2D'''],			latent_channels=4,			)

										# TODO: address the non-deterministic text encoder (fails for save-load tests)
										# torch.manual_seed(0)
										# text_encoder_config = RobertaSeriesConfig(
										#     hidden_size=32,
										#     project_dim=32,
										#     intermediate_size=37,
										#     layer_norm_eps=1e-05,
										#     num_attention_heads=4,
										#     num_hidden_layers=5,
										#     vocab_size=5002,
										# )
										# text_encoder = RobertaSeriesModelWithTransformation(text_encoder_config)

										torch.manual_seed(0							)
										_UpperCamelCase      : str         =   CLIPTextConfig(
										    bos_token_id=0,			eos_token_id=2,			hidden_size=3_2,			projection_dim=3_2,			intermediate_size=3_7,			layer_norm_eps=1e-0_5,			num_attention_heads=4,			num_hidden_layers=5,			pad_token_id=1,			vocab_size=5_0_0_2,			)
										_UpperCamelCase      : List[Any]         =   CLIPTextModel(lowerCAmelCase__							)

										_UpperCamelCase      : Dict         =   XLMRobertaTokenizer.from_pretrained('''hf-internal-testing/tiny-xlm-roberta'''							)
										_UpperCamelCase      : str         =   7_7

										_UpperCamelCase      : int         =   {
										    '''unet''': unet,
										    '''scheduler''': scheduler,
										    '''vae''': vae,
										    '''text_encoder''': text_encoder,
										    '''tokenizer''': tokenizer,
										    '''safety_checker''': None,
										    '''feature_extractor''': None,
										}
										return components






				def     snake_case     (			self		:   Dict,			lowerCAmelCase__		:   Any,			lowerCAmelCase__		:   int=0							)     ->				Optional[int]:




										'''simple docstring'''



										if str(lowerCAmelCase__							).startswith('''mps'''							):
																_UpperCamelCase      : Any         =   torch.manual_seed(lowerCAmelCase__							)
										else:
																_UpperCamelCase      : Dict         =   torch.Generator(device=lowerCAmelCase__							).manual_seed(lowerCAmelCase__							)
										_UpperCamelCase      : str         =   {
										    '''prompt''': '''A painting of a squirrel eating a burger''',
										    '''generator''': generator,
										    '''num_inference_steps''': 2,
										    '''guidance_scale''': 6.0,
										    '''output_type''': '''numpy''',
										}
										return inputs






				def     snake_case     (			self		:   List[Any]							)     ->				List[str]:




										'''simple docstring'''



										super().test_attention_slicing_forward_pass(expected_max_diff=3e-3							)






				def     snake_case     (			self		:   List[Any]							)     ->				Tuple:




										'''simple docstring'''



										super().test_inference_batch_single_identical(expected_max_diff=3e-3							)






				def     snake_case     (			self		:   List[str]							)     ->				List[Any]:




										'''simple docstring'''



										_UpperCamelCase      : Any         =   '''cpu'''  # ensure determinism for the device-dependent torch.Generator

										_UpperCamelCase      : int         =   self.get_dummy_components()
										torch.manual_seed(0							)
										_UpperCamelCase      : Any         =   RobertaSeriesConfig(
										    hidden_size=3_2,			project_dim=3_2,			intermediate_size=3_7,			layer_norm_eps=1e-0_5,			num_attention_heads=4,			num_hidden_layers=5,			vocab_size=5_0_0_2,			)
										# TODO: remove after fixing the non-deterministic text encoder
										_UpperCamelCase      : Tuple         =   RobertaSeriesModelWithTransformation(lowerCAmelCase__							)
										_UpperCamelCase      : str         =   text_encoder

										_UpperCamelCase      : List[Any]         =   AltDiffusionPipeline(**lowerCAmelCase__							)
										_UpperCamelCase      : List[Any]         =   alt_pipe.to(lowerCAmelCase__							)
										alt_pipe.set_progress_bar_config(disable=lowerCAmelCase__							)

										_UpperCamelCase      : Optional[int]         =   self.get_dummy_inputs(lowerCAmelCase__							)
										_UpperCamelCase      : Optional[Any]         =   '''A photo of an astronaut'''
										_UpperCamelCase      : Any         =   alt_pipe(**lowerCAmelCase__							)
										_UpperCamelCase      : Any         =   output.images
										_UpperCamelCase      : Union[str, Any]         =   image[0, -3:, -3:, -1]

										assert image.shape == (1, 6_4, 6_4, 3)
										_UpperCamelCase      : List[Any]         =   np.array(
										    [0.5_748_162, 0.60_447_145, 0.48_821_217, 0.50_100_636, 0.5_431_185, 0.45_763_683, 0.49_657_696, 0.48_132_733, 0.47_573_093]							)

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






				def     snake_case     (			self		:   int							)     ->				Optional[Any]:




										'''simple docstring'''



										_UpperCamelCase      : List[Any]         =   '''cpu'''  # ensure determinism for the device-dependent torch.Generator

										_UpperCamelCase      : Optional[Any]         =   self.get_dummy_components()
										_UpperCamelCase      : str         =   PNDMScheduler(skip_prk_steps=lowerCAmelCase__							)
										torch.manual_seed(0							)
										_UpperCamelCase      : int         =   RobertaSeriesConfig(
										    hidden_size=3_2,			project_dim=3_2,			intermediate_size=3_7,			layer_norm_eps=1e-0_5,			num_attention_heads=4,			num_hidden_layers=5,			vocab_size=5_0_0_2,			)
										# TODO: remove after fixing the non-deterministic text encoder
										_UpperCamelCase      : Tuple         =   RobertaSeriesModelWithTransformation(lowerCAmelCase__							)
										_UpperCamelCase      : int         =   text_encoder
										_UpperCamelCase      : str         =   AltDiffusionPipeline(**lowerCAmelCase__							)
										_UpperCamelCase      : List[str]         =   alt_pipe.to(lowerCAmelCase__							)
										alt_pipe.set_progress_bar_config(disable=lowerCAmelCase__							)

										_UpperCamelCase      : Union[str, Any]         =   self.get_dummy_inputs(lowerCAmelCase__							)
										_UpperCamelCase      : Optional[int]         =   alt_pipe(**lowerCAmelCase__							)
										_UpperCamelCase      : List[str]         =   output.images
										_UpperCamelCase      : Optional[int]         =   image[0, -3:, -3:, -1]

										assert image.shape == (1, 6_4, 6_4, 3)
										_UpperCamelCase      : List[Any]         =   np.array(
										    [0.51_605_093, 0.5_707_241, 0.47_365_507, 0.50_578_886, 0.5_633_877, 0.4_642_503, 0.5_182_081, 0.48_763_484, 0.49_084_237]							)

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




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






				def     snake_case     (			self		:   List[str]							)     ->				Any:




										'''simple docstring'''



										super().tearDown()
										gc.collect()
										torch.cuda.empty_cache()






				def     snake_case     (			self		:   Union[str, Any]							)     ->				Any:




										'''simple docstring'''



										_UpperCamelCase      : str         =   AltDiffusionPipeline.from_pretrained('''BAAI/AltDiffusion''',			safety_checker=lowerCAmelCase__							)
										_UpperCamelCase      : List[Any]         =   alt_pipe.to(lowerCAmelCase__							)
										alt_pipe.set_progress_bar_config(disable=lowerCAmelCase__							)

										_UpperCamelCase      : int         =   '''A painting of a squirrel eating a burger'''
										_UpperCamelCase      : int         =   torch.manual_seed(0							)
										_UpperCamelCase      : Dict         =   alt_pipe([prompt],			generator=lowerCAmelCase__,			guidance_scale=6.0,			num_inference_steps=2_0,			output_type='''np'''							)

										_UpperCamelCase      : Optional[int]         =   output.images

										_UpperCamelCase      : Optional[int]         =   image[0, -3:, -3:, -1]

										assert image.shape == (1, 5_1_2, 5_1_2, 3)
										_UpperCamelCase      : List[str]         =   np.array([0.1_010, 0.0_800, 0.0_794, 0.0_885, 0.0_843, 0.0_762, 0.0_769, 0.0_729, 0.0_586]							)

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






				def     snake_case     (			self		:   str							)     ->				str:




										'''simple docstring'''



										_UpperCamelCase      : Any         =   DDIMScheduler.from_pretrained('''BAAI/AltDiffusion''',			subfolder='''scheduler'''							)

										_UpperCamelCase      : Dict         =   AltDiffusionPipeline.from_pretrained('''BAAI/AltDiffusion''',			scheduler=lowerCAmelCase__,			safety_checker=lowerCAmelCase__							)
										_UpperCamelCase      : Dict         =   alt_pipe.to(lowerCAmelCase__							)
										alt_pipe.set_progress_bar_config(disable=lowerCAmelCase__							)

										_UpperCamelCase      : Optional[Any]         =   '''A painting of a squirrel eating a burger'''
										_UpperCamelCase      : Optional[Any]         =   torch.manual_seed(0							)

										_UpperCamelCase      : Union[str, Any]         =   alt_pipe([prompt],			generator=lowerCAmelCase__,			num_inference_steps=2,			output_type='''numpy'''							)
										_UpperCamelCase      : Tuple         =   output.images

										_UpperCamelCase      : Dict         =   image[0, -3:, -3:, -1]

										assert image.shape == (1, 5_1_2, 5_1_2, 3)
										_UpperCamelCase      : str         =   np.array([0.4_019, 0.4_052, 0.3_810, 0.4_119, 0.3_916, 0.3_982, 0.4_651, 0.4_195, 0.5_323]							)

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



