




from __future__ import annotations







class __snake_case			:







   def __init__(      self		:						List[Any]					,						_snake_case		:						int):

        """simple docstring"""


        UpperCAmelCase_          =							order

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

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







   def lowerCamelCase						(      self		:						Tuple					,						_snake_case		:						list[float]					,						_snake_case		:						list[float]):

        """simple docstring"""


        if len(_snake_case) < self.order:
             UpperCAmelCase_          =							[1.0, *a_coeffs]

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

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

        UpperCAmelCase_          =							a_coeffs
        UpperCAmelCase_          =							b_coeffs







   def lowerCamelCase						(      self		:						List[Any]					,						_snake_case		:						float):

        """simple docstring"""


        UpperCAmelCase_          =							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]
             )

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

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

        UpperCAmelCase_          =							sample
        UpperCAmelCase_          =							result

        return result












from diffusers.utils.testing_utils import require_onnxruntime







@require_onnxruntime
class __snake_case			:
   pass






