def _lowerCamelCase  (		snake_case     , snake_case     , snake_case     , snake_case     , snake_case     , ):
							_lowerCAmelCase							=							[redshift, radiation_density, matter_density, dark_energy]
							if any(p < 0 for p in parameters  ):
														raise ValueError('All input parameters must be positive'  )

							if any(p > 1 for p in parameters[1:4]  ):
														raise ValueError('Relative densities cannot be greater than one'  )
							else:
														_lowerCAmelCase							=							1 - (matter_density + radiation_density + dark_energy)

														_lowerCAmelCase							=							(
														    radiation_density * (redshift + 1) ** 4
														    + matter_density * (redshift + 1) ** 3
														    + curvature * (redshift + 1) ** 2
														    + dark_energy
														)

														_lowerCAmelCase							=							hubble_constant * e_a ** (1 / 2)
														return hubble


if __name__ == "__main__":
				import doctest

				# run doctest
				doctest.testmod()

				# demo LCDM approximation
				_lowercase:	Union[str, Any]       			=		0.3

				print(
				    hubble_parameter(
				        hubble_constant=68.3,
				        radiation_density=1E-4,
				        matter_density=matter_density,
				        dark_energy=1 - matter_density,
				        redshift=0,
				    )
				)







import tempfile
import unittest

from make_student import create_student_by_copying_alternating_layers

from transformers import AutoConfig
from transformers.file_utils import cached_property
from transformers.testing_utils import require_torch


_lowercase:	str       			=		'''sshleifer/bart-tiny-random'''
_lowercase:	Union[str, Any]       			=		'''patrickvonplaten/t5-tiny-random'''



@require_torch
class        lowerCamelCase__				(   unittest.TestCase				):





			@cached_property
			def   SCREAMING_SNAKE_CASE__     (       self	:	Tuple						):
										return AutoConfig.from_pretrained(lowercase__						)





			def   SCREAMING_SNAKE_CASE__     (       self	:	int						):
										_lowerCAmelCase			,		*_lowerCAmelCase							=							create_student_by_copying_alternating_layers(lowercase__  ,  tempfile.mkdtemp()  ,  e=1  ,  d=1						)
										self.assertEqual(student.config.num_hidden_layers  ,  1						)





			def   SCREAMING_SNAKE_CASE__     (       self	:	Dict						):
										_lowerCAmelCase			,		*_lowerCAmelCase							=							create_student_by_copying_alternating_layers(lowercase__  ,  tempfile.mkdtemp()  ,  e=1  ,  d=lowercase__						)





			def   SCREAMING_SNAKE_CASE__     (       self	:	Union[str, Any]						):
										_lowerCAmelCase			,		*_lowerCAmelCase							=							create_student_by_copying_alternating_layers(lowercase__  ,  tempfile.mkdtemp()  ,  e=1  ,  d=lowercase__						)
										self.assertEqual(student.config.encoder_layers  ,  1						)
										self.assertEqual(student.config.decoder_layers  ,  self.teacher_config.encoder_layers						)





			def   SCREAMING_SNAKE_CASE__     (       self	:	str						):
										_lowerCAmelCase			,		*_lowerCAmelCase							=							create_student_by_copying_alternating_layers(lowercase__  ,  tempfile.mkdtemp()  ,  e=1  ,  d=1						)
										self.assertEqual(student.config.encoder_layers  ,  1						)
										self.assertEqual(student.config.decoder_layers  ,  1						)





			def   SCREAMING_SNAKE_CASE__     (       self	:	List[str]						):
										with self.assertRaises(lowercase__						):
																	create_student_by_copying_alternating_layers(lowercase__  ,  tempfile.mkdtemp()  ,  e=lowercase__  ,  d=lowercase__						)






