





'''simple docstring'''






def    UpperCamelCase__      (		lowerCAmelCase							,	lowerCAmelCase  ):





      """simple docstring"""


      if density <= 0:
            raise ValueError("""Impossible fluid density"""  )
      if bulk_modulus <= 0:
            raise ValueError("""Impossible bulk modulus"""  )

      return (bulk_modulus / density) ** 0.5


if __name__ == "__main__":
      import doctest

      doctest.testmod()












import random
import unittest

import numpy as np

import transformers
from transformers import is_flax_available, is_torch_available
from transformers.testing_utils import is_pt_flax_cross_test, require_flax


if is_flax_available():
		import os

		import jax.numpy as jnp
		from jax import jit

		from transformers import AutoTokenizer, FlaxAutoModelForCausalLM
		from transformers.modeling_flax_pytorch_utils import load_flax_weights_in_pytorch_model

		__lowerCAmelCase		:				List[Any]       			=		'0.12'  # assumed parallelism: 8


if is_torch_available():
		import torch




def 			__magic_name__				( A		:					Dict,  A		:					Union[str, Any],  A		:					Optional[int]=None   ):






			'''simple docstring'''







			if rng is None:
						a    =			random.Random()

			a    =			1
			for dim in shape:
						total_dims *= dim

			a    =			[]
			for _ in range(A   ):
						values.append(rng.randint(0,  vocab_size - 1   )   )

			a    =			np.array(A,  dtype=jnp.intaa   ).reshape(A   )

			return output




def 			__magic_name__				( A		:					Dict,  A		:					Union[str, Any]=None   ):






			'''simple docstring'''







			a    =			ids_tensor(A,  vocab_size=2,  rng=A   )
			# make sure that at least one token is attended to for each batch
			a    =			1
			return attn_mask




@require_flax
class     snake_case__							:
				"""simple docstring"""



				SCREAMING_SNAKE_CASE_       :							List[str]							 =					None
				SCREAMING_SNAKE_CASE_       :							Any							 =					()





				def 							__UpperCAmelCase							(      self				:     int							)					->     List[str]:
							a    ,		a    =			self.model_tester.prepare_config_and_inputs_for_common()

							# cut to half length & take max batch_size 3
							a    =			2
							a    =			inputs["input_ids"].shape[-1] // 2
							a    =			inputs["input_ids"][:max_batch_size, :sequence_length]

							a    =			jnp.ones_like(__lowerCamelCase							)
							a    =			attention_mask[:max_batch_size, :sequence_length]

							# generate max 5 tokens
							a    =			input_ids.shape[-1] + 5
							if config.eos_token_id is not None and config.pad_token_id is None:
										# hack to allow generate for models such as GPT2 as is done in `generate()`
										a    =			config.eos_token_id
							return config, input_ids, attention_mask, max_length





				@is_pt_flax_cross_test
				def 							__UpperCAmelCase							(      self				:     Optional[Any]							)					->     int:
							a    ,		a    ,		a    ,		a    =			self._get_input_ids_and_config()
							a    =			False
							a    =			max_length
							a    =			0

							for model_class in self.all_generative_model_classes:
										a    =			model_class(__lowerCamelCase							)

										a    =			model_class.__name__[4:]  # Skip the "Flax" at the beginning
										a    =			getattr(__lowerCamelCase					,      __lowerCamelCase							)
										a    =			pt_model_class(__lowerCamelCase							).eval()
										a    =			load_flax_weights_in_pytorch_model(__lowerCamelCase					,      flax_model.params							)

										a    =			flax_model.generate(__lowerCamelCase							).sequences
										a    =			pt_model.generate(torch.tensor(__lowerCamelCase					,      dtype=torch.long							)							)

										if flax_generation_outputs.shape[-1] > pt_generation_outputs.shape[-1]:
													a    =			flax_generation_outputs[:, : pt_generation_outputs.shape[-1]]

										self.assertListEqual(pt_generation_outputs.numpy().tolist()					,      flax_generation_outputs.tolist()							)





				def 							__UpperCAmelCase							(      self				:     List[str]							)					->     Optional[int]:
							a    ,		a    ,		a    ,		a    =			self._get_input_ids_and_config()
							a    =			False
							a    =			max_length

							for model_class in self.all_generative_model_classes:
										a    =			model_class(__lowerCamelCase							)

										a    =			model.generate(__lowerCamelCase							).sequences
										self.assertEqual(generation_outputs.shape[-1]					,      __lowerCamelCase							)

										a    =			jit(model.generate							)
										a    =			jit_generate(__lowerCamelCase							).sequences

										self.assertListEqual(generation_outputs.tolist()					,      jit_generation_outputs.tolist()							)





				def 							__UpperCAmelCase							(      self				:     Optional[int]							)					->     Any:
							a    ,		a    ,		a    ,		a    =			self._get_input_ids_and_config()
							a    =			True
							a    =			max_length

							for model_class in self.all_generative_model_classes:
										a    =			model_class(__lowerCamelCase							)

										a    =			model.generate(__lowerCamelCase							).sequences
										self.assertEqual(generation_outputs.shape[-1]					,      __lowerCamelCase							)

										a    =			jit(model.generate							)
										a    =			jit_generate(__lowerCamelCase							).sequences

										self.assertListEqual(generation_outputs.tolist()					,      jit_generation_outputs.tolist()							)





				def 							__UpperCAmelCase							(      self				:     int							)					->     Dict:
							a    ,		a    ,		a    ,		a    =			self._get_input_ids_and_config()
							a    =			False
							a    =			max_length
							a    =			2

							for model_class in self.all_generative_model_classes:
										a    =			model_class(__lowerCamelCase							)

										a    =			model.generate(__lowerCamelCase							).sequences
										self.assertEqual(generation_outputs.shape[-1]					,      __lowerCamelCase							)

										a    =			jit(model.generate							)
										a    =			jit_generate(__lowerCamelCase							).sequences

										self.assertListEqual(generation_outputs.tolist()					,      jit_generation_outputs.tolist()							)





				def 							__UpperCAmelCase							(      self				:     Any							)					->     Union[str, Any]:
							a    ,		a    ,		a    ,		a    =			self._get_input_ids_and_config()
							a    =			False
							a    =			max_length
							a    =			2
							a    =			2

							for model_class in self.all_generative_model_classes:
										a    =			model_class(__lowerCamelCase							)

										a    =			model.generate(__lowerCamelCase							).sequences
										self.assertEqual(generation_outputs.shape[0]					,      input_ids.shape[0] * config.num_return_sequences							)





				def 							__UpperCAmelCase							(      self				:     Optional[Any]							)					->     Dict:
							a    ,		a    ,		a    ,		a    =			self._get_input_ids_and_config()
							a    =			True
							a    =			max_length
							a    =			0.8
							a    =			10
							a    =			0.3
							a    =			1
							a    =			8
							a    =			9

							for model_class in self.all_generative_model_classes:
										a    =			model_class(__lowerCamelCase							)

										a    =			model.generate(__lowerCamelCase							).sequences
										self.assertEqual(generation_outputs.shape[-1]					,      __lowerCamelCase							)

										a    =			jit(model.generate							)
										a    =			jit_generate(__lowerCamelCase							).sequences

										self.assertListEqual(generation_outputs.tolist()					,      jit_generation_outputs.tolist()							)





				def 							__UpperCAmelCase							(      self				:     Optional[Any]							)					->     Optional[Any]:
							a    ,		a    ,		a    ,		a    =			self._get_input_ids_and_config()
							a    =			max_length
							a    =			1
							a    =			8
							a    =			9

							for model_class in self.all_generative_model_classes:
										a    =			model_class(__lowerCamelCase							)

										a    =			model.generate(__lowerCamelCase							).sequences
										self.assertEqual(generation_outputs.shape[-1]					,      __lowerCamelCase							)

										a    =			jit(model.generate							)
										a    =			jit_generate(__lowerCamelCase							).sequences

										self.assertListEqual(generation_outputs.tolist()					,      jit_generation_outputs.tolist()							)





				def 							__UpperCAmelCase							(      self				:     List[str]							)					->     Union[str, Any]:
							a    ,		a    ,		a    ,		a    =			self._get_input_ids_and_config()
							a    =			max_length
							a    =			2
							a    =			1
							a    =			8
							a    =			9

							for model_class in self.all_generative_model_classes:
										a    =			model_class(__lowerCamelCase							)

										a    =			model.generate(__lowerCamelCase							).sequences
										self.assertEqual(generation_outputs.shape[-1]					,      __lowerCamelCase							)

										a    =			jit(model.generate							)
										a    =			jit_generate(__lowerCamelCase							).sequences

										self.assertListEqual(generation_outputs.tolist()					,      jit_generation_outputs.tolist()							)





				def 							__UpperCAmelCase							(      self				:     Union[str, Any]							)					->     Dict:
							a    ,		a    ,		a    ,		a    =			self._get_input_ids_and_config()

							# pad attention mask on the left
							a    =			attention_mask.at[(0, 0)].set(0							)

							a    =			False
							a    =			max_length

							for model_class in self.all_generative_model_classes:
										a    =			model_class(__lowerCamelCase							)

										a    =			model.generate(__lowerCamelCase					,      attention_mask=__lowerCamelCase							).sequences
										self.assertEqual(generation_outputs.shape[-1]					,      __lowerCamelCase							)

										a    =			jit(model.generate							)
										a    =			jit_generate(__lowerCamelCase					,      attention_mask=__lowerCamelCase							).sequences

										self.assertListEqual(generation_outputs.tolist()					,      jit_generation_outputs.tolist()							)





				def 							__UpperCAmelCase							(      self				:     Tuple							)					->     Tuple:
							a    ,		a    ,		a    ,		a    =			self._get_input_ids_and_config()

							# pad attention mask on the left
							a    =			attention_mask.at[(0, 0)].set(0							)

							a    =			True
							a    =			max_length

							for model_class in self.all_generative_model_classes:
										a    =			model_class(__lowerCamelCase							)

										a    =			model.generate(__lowerCamelCase					,      attention_mask=__lowerCamelCase							).sequences
										self.assertEqual(generation_outputs.shape[-1]					,      __lowerCamelCase							)

										a    =			jit(model.generate							)
										a    =			jit_generate(__lowerCamelCase					,      attention_mask=__lowerCamelCase							).sequences

										self.assertListEqual(generation_outputs.tolist()					,      jit_generation_outputs.tolist()							)





				def 							__UpperCAmelCase							(      self				:     Optional[int]							)					->     List[Any]:
							a    ,		a    ,		a    ,		a    =			self._get_input_ids_and_config()

							# pad attention mask on the left
							a    =			attention_mask.at[(0, 0)].set(0							)

							a    =			2
							a    =			max_length

							for model_class in self.all_generative_model_classes:
										a    =			model_class(__lowerCamelCase							)

										a    =			model.generate(__lowerCamelCase					,      attention_mask=__lowerCamelCase							).sequences
										self.assertEqual(generation_outputs.shape[-1]					,      __lowerCamelCase							)

										a    =			jit(model.generate							)
										a    =			jit_generate(__lowerCamelCase					,      attention_mask=__lowerCamelCase							).sequences

										self.assertListEqual(generation_outputs.tolist()					,      jit_generation_outputs.tolist()							)




@require_flax
class     snake_case__							(unittest.TestCase   ):
				"""simple docstring"""



				def 							__UpperCAmelCase							(      self				:     Dict							)					->     Optional[Any]:
							a    =			AutoTokenizer.from_pretrained("hf-internal-testing/tiny-bert"							)
							a    =			FlaxAutoModelForCausalLM.from_pretrained("hf-internal-testing/tiny-bert-flax-only"							)

							a    =			"Hello world"
							a    =			tokenizer(__lowerCamelCase					,      return_tensors="np"							).input_ids

							# typos are quickly detected (the correct argument is `do_sample`)
							with self.assertRaisesRegex(__lowerCamelCase					,      "do_samples"							):
										model.generate(__lowerCamelCase					,      do_samples=__lowerCamelCase							)

							# arbitrary arguments that will not be used anywhere are also not accepted
							with self.assertRaisesRegex(__lowerCamelCase					,      "foo"							):
										a    =			{"foo": "bar"}
										model.generate(__lowerCamelCase					,      **__lowerCamelCase							)






