






"""simple docstring"""




from .imports import is_tqdm_available


if is_tqdm_available():
 from tqdm.auto import tqdm as _tqdm

from ..state import PartialState

def 			lowerCAmelCase__     (     UpperCamelCase__ = True     ,   *UpperCamelCase__     ,   **UpperCamelCase__				):



  '''simple docstring'''
  if not is_tqdm_available():
    raise ImportError("""Accelerate's `tqdm` module requires `tqdm` to be installed. Please run `pip install tqdm`."""				)
  _a  :       Optional[int]             =	False
  if main_process_only:
    _a  :       Tuple             =	PartialState().local_process_index == 0
  return _tqdm(*UpperCamelCase__     ,   **UpperCamelCase__     ,   disable=UpperCamelCase__				)









"""simple docstring"""




def 			lowerCAmelCase__     (     UpperCamelCase__     ,   UpperCamelCase__     ,   UpperCamelCase__     ,   UpperCamelCase__     ,   UpperCamelCase__     ,   ):



  '''simple docstring'''
  _a  :       Optional[Any]             =	[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:
    _a  :       Tuple             =	1 - (matter_density + radiation_density + dark_energy)

    _a  :       int             =	(
        radiation_density * (redshift + 1) ** 4
        + matter_density * (redshift + 1) ** 3
        + curvature * (redshift + 1) ** 2
        + dark_energy
    )

    _a  :       List[str]             =	hubble_constant * e_a ** (1 / 2)
    return hubble


if __name__ == "__main__":
 import doctest

 # run doctest
 doctest.testmod()

 # demo LCDM approximation
 _snake_case          =   0.3

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

