from operator import delitem, getitem, setitem

import pytest

from data_structures.hashing.hash_map import HashMap



def   __A		(			_A					):



 """simple docstring"""


 return getitem, k



def   __A		(			_A							,				_A					):



 """simple docstring"""


 return setitem, k, v



def   __A		(			_A					):



 """simple docstring"""


 return delitem, k



def   __A		(			_A							,				_A							,				*_A					):



 """simple docstring"""


 try:
  return fun(_A							,				*_A					), None
 except Exception as e:
  return None, e


SCREAMING_SNAKE_CASE :	int							     =		(
    _set("""key_a""", """val_a"""),
    _set("""key_b""", """val_b"""),
)

SCREAMING_SNAKE_CASE :	str							     =		[
    _set("""key_a""", """val_a"""),
    _set("""key_a""", """val_b"""),
]

SCREAMING_SNAKE_CASE :	Dict							     =		[
    _set("""key_a""", """val_a"""),
    _set("""key_b""", """val_b"""),
    _del("""key_a"""),
    _del("""key_b"""),
    _set("""key_a""", """val_a"""),
    _del("""key_a"""),
]

SCREAMING_SNAKE_CASE :	str							     =		[
    _get("""key_a"""),
    _del("""key_a"""),
    _set("""key_a""", """val_a"""),
    _del("""key_a"""),
    _del("""key_a"""),
    _get("""key_a"""),
]

SCREAMING_SNAKE_CASE :	Optional[Any]							     =		[
    *[_set(x, x) for x in range(5)],  # guaranteed upsize
]

SCREAMING_SNAKE_CASE :	Tuple							     =		[
    *[_set(x, x) for x in range(5)],  # guaranteed upsize
    *[_del(x) for x in range(5)],
    _set("""key_a""", """val_b"""),
]



@pytest.mark.parametrize(
    "operations"							,				(
        pytest.param(_add_items							,				id="add items"					),
        pytest.param(_overwrite_items							,				id="overwrite items"					),
        pytest.param(_delete_items							,				id="delete items"					),
        pytest.param(_access_absent_items							,				id="access absent items"					),
        pytest.param(_add_with_resize_up							,				id="add with resize up"					),
        pytest.param(_add_with_resize_down							,				id="add with resize down"					),
    )							,				)
def   __A		(			_A					):



 """simple docstring"""


 __a       =  HashMap(initial_block_size=4					)
 __a       =  {}
 for _, (fun, *args) in enumerate(_A					):
  __a       ,     __a       =  _run_operation(_A							,				_A							,				*_A					)
  __a       ,     __a       =  _run_operation(_A							,				_A							,				*_A					)
  assert my_res == py_res
  assert str(_A					) == str(_A					)
  assert set(_A					) == set(_A					)
  assert len(_A					) == len(_A					)
  assert set(my.items()					) == set(py.items()					)






def   __A		(			):



 """simple docstring"""


 def is_public(_A					) -> bool:
  return not name.startswith("_"					)

 __a       =  {name for name in dir({}					) if is_public(_A					)}
 __a       =  {name for name in dir(HashMap()					) if is_public(_A					)}

 assert dict_public_names > hash_public_names



from __future__ import annotations
class    A_ :

  def __init__(		self :      Union[str, Any]     ,							__SCREAMING_SNAKE_CASE :      int       ):
   __a       =  order

   # a_{0} ... a_{k}
   __a       =  [1.0] + [0.0] * order
   # b_{0} ... b_{k}
   __a       =  [1.0] + [0.0] * order

   # x[n-1] ... x[n-k]
   __a       =  [0.0] * self.order
   # y[n-1] ... y[n-k]
   __a       =  [0.0] * self.order

  def 		_UpperCAmelCase   (		self :      Union[str, Any]     ,							__SCREAMING_SNAKE_CASE :      list[float]     ,							__SCREAMING_SNAKE_CASE :      list[float]       ):
   if len(__SCREAMING_SNAKE_CASE       ) < self.order:
    __a       =  [1.0, *a_coeffs]

   if len(__SCREAMING_SNAKE_CASE       ) != self.order + 1:
    __a       =  (
        f"""Expected a_coeffs to have {self.order + 1} elements """
        f"""for {self.order}-order filter, got {len(__SCREAMING_SNAKE_CASE       )}"""
    )
    raise ValueError(__SCREAMING_SNAKE_CASE       )

   if len(__SCREAMING_SNAKE_CASE       ) != self.order + 1:
    __a       =  (
        f"""Expected b_coeffs to have {self.order + 1} elements """
        f"""for {self.order}-order filter, got {len(__SCREAMING_SNAKE_CASE       )}"""
    )
    raise ValueError(__SCREAMING_SNAKE_CASE       )

   __a       =  a_coeffs
   __a       =  b_coeffs

  def 		_UpperCAmelCase   (		self :      Optional[Any]     ,							__SCREAMING_SNAKE_CASE :      float       ):
   __a       =  0.0

   # Start at index 1 and do index 0 at the end.
   for i in range(1     ,							self.order + 1       ):
    result += (
        self.b_coeffs[i] * self.input_history[i - 1]
        - self.a_coeffs[i] * self.output_history[i - 1]
    )

   __a       =  (result + self.b_coeffs[0] * sample) / self.a_coeffs[0]

   __a       =  self.input_history[:-1]
   __a       =  self.output_history[:-1]

   __a       =  sample
   __a       =  result

   return result


