def     UpperCAmelCase__ (       lowerCAmelCase__  :Tuple      ,	lowerCAmelCase__  :List[Any]      ,	lowerCAmelCase__  :str      ,	lowerCAmelCase__  :Union[str, Any]      ,	lowerCAmelCase__  :Dict      ,	)				->					float:
      '''simple docstring'''


      lowercase														=			[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:
            lowercase														=			1 - (matter_density + radiation_density + dark_energy)

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

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


if __name__ == "__main__":
       import doctest

       # run doctest
       doctest.testmod()

       # demo LCDM approximation
       __lowerCAmelCase					: 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,
           )
       )




"""simple docstring"""






# Copyright 2021 The HuggingFace Team. All rights reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

from argparse import ArgumentParser

from accelerate.commands.config import get_config_parser
from accelerate.commands.env import env_command_parser
from accelerate.commands.launch import launch_command_parser
from accelerate.commands.test import test_command_parser
from accelerate.commands.tpu import tpu_command_parser


def     UpperCAmelCase__ (       )				->					Tuple:
      '''simple docstring'''


      lowercase														=			ArgumentParser("""Accelerate CLI tool"""      ,	usage="""accelerate <command> [<args>]"""      ,	allow_abbrev=lowerCAmelCase__	)
      lowercase														=			parser.add_subparsers(help="""accelerate command helpers"""	)

      # Register commands
      get_config_parser(subparsers=lowerCAmelCase__	)
      env_command_parser(subparsers=lowerCAmelCase__	)
      launch_command_parser(subparsers=lowerCAmelCase__	)
      tpu_command_parser(subparsers=lowerCAmelCase__	)
      test_command_parser(subparsers=lowerCAmelCase__	)

      # Let's go
      lowercase														=			parser.parse_args()

      if not hasattr(lowerCAmelCase__      ,	"""func"""	):
            parser.print_help()
            exit(1	)

      # Run
      args.func(lowerCAmelCase__	)


if __name__ == "__main__":
       main()



