




def 					lowerCamelCase__       (						A__       :					float  ,			A__       :					float  ,			A__       :					float  ,			A__       :					float  ,			A__       :					float  ,			):





       '''simple docstring'''



       __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
       UpperCAmelCase_									=	0.3

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







from typing import TYPE_CHECKING

from ...utils import OptionalDependencyNotAvailable, _LazyModule, is_sentencepiece_available


UpperCAmelCase_									=	{}


try:
       if not is_sentencepiece_available():
              raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
       pass
else:
       UpperCAmelCase_									=	['MLukeTokenizer']

if TYPE_CHECKING:
       try:
              if not is_sentencepiece_available():
                     raise OptionalDependencyNotAvailable()
       except OptionalDependencyNotAvailable:
              pass
       else:
              from .tokenization_mluke import MLukeTokenizer


else:
       import sys

       UpperCAmelCase_									=	_LazyModule(__name__, globals()['__file__'], _import_structure, module_spec=__spec__)

