






'''simple docstring'''



from math import pi, sqrt



def    __UpperCAmelCase	(				SCREAMING_SNAKE_CASE__:	float    )  ->			float:

   """simple docstring"""
   if num <= 0:
      raise ValueError('math domain error'    )
   if num > 1_7_1.5:
      raise OverflowError('math range error'    )
   elif num - int(SCREAMING_SNAKE_CASE__    ) not in (0, 0.5):
      raise NotImplementedError('num must be an integer or a half-integer'    )
   elif num == 0.5:
      return sqrt(SCREAMING_SNAKE_CASE__    )
   else:
      return 1.0 if num == 1 else (num - 1) * gamma(num - 1    )



def    __UpperCAmelCase	(				)  ->			None:

   """simple docstring"""
   assert gamma(0.5    ) == sqrt(SCREAMING_SNAKE_CASE__    )
   assert gamma(1    ) == 1.0
   assert gamma(2    ) == 1.0


if __name__ == "__main__":
 from doctest import testmod

 testmod()
 __UpperCamelCase      :       Dict      			=      1.0
 while num:
  __UpperCamelCase      :       List[str]      			=      float(input("""Gamma of: """))
  print(f"""gamma({num}) = {gamma(num)}""")
  print("""\nEnter 0 to exit...""")







'''simple docstring'''



__UpperCamelCase      :       Optional[Any]      			=      [
    """DownloadConfig""",
    """DownloadManager""",
    """DownloadMode""",
    """StreamingDownloadManager""",
]

from .download_config import DownloadConfig
from .download_manager import DownloadManager, DownloadMode
from .streaming_download_manager import StreamingDownloadManager