



'''simple docstring'''





from math import cos, sin, sqrt, tau

from audio_filters.iir_filter import IIRFilter




def        lowerCamelCase  (				_snake_case  :						int     ,_snake_case  :						int     ,_snake_case  :						float = 1 / sqrt(2       )       ):





    '''simple docstring'''


    lowercase__		       =						tau * frequency / samplerate
    lowercase__		       =						sin(_snake_case       )
    lowercase__		       =						cos(_snake_case       )
    lowercase__		       =						_sin / (2 * q_factor)

    lowercase__		       =						(1 - _cos) / 2
    lowercase__		       =						1 - _cos

    lowercase__		       =						1 + alpha
    lowercase__		       =						-2 * _cos
    lowercase__		       =						1 - alpha

    lowercase__		       =						IIRFilter(2       )
    filt.set_coefficients([aa, aa, aa]     ,[ba, ba, ba]       )
    return filt




def        lowerCamelCase  (				_snake_case  :						int     ,_snake_case  :						int     ,_snake_case  :						float = 1 / sqrt(2       )       ):





    '''simple docstring'''


    lowercase__		       =						tau * frequency / samplerate
    lowercase__		       =						sin(_snake_case       )
    lowercase__		       =						cos(_snake_case       )
    lowercase__		       =						_sin / (2 * q_factor)

    lowercase__		       =						(1 + _cos) / 2
    lowercase__		       =						-1 - _cos

    lowercase__		       =						1 + alpha
    lowercase__		       =						-2 * _cos
    lowercase__		       =						1 - alpha

    lowercase__		       =						IIRFilter(2       )
    filt.set_coefficients([aa, aa, aa]     ,[ba, ba, ba]       )
    return filt




def        lowerCamelCase  (				_snake_case  :						int     ,_snake_case  :						int     ,_snake_case  :						float = 1 / sqrt(2       )       ):





    '''simple docstring'''


    lowercase__		       =						tau * frequency / samplerate
    lowercase__		       =						sin(_snake_case       )
    lowercase__		       =						cos(_snake_case       )
    lowercase__		       =						_sin / (2 * q_factor)

    lowercase__		       =						_sin / 2
    lowercase__		       =						0
    lowercase__		       =						-ba

    lowercase__		       =						1 + alpha
    lowercase__		       =						-2 * _cos
    lowercase__		       =						1 - alpha

    lowercase__		       =						IIRFilter(2       )
    filt.set_coefficients([aa, aa, aa]     ,[ba, ba, ba]       )
    return filt




def        lowerCamelCase  (				_snake_case  :						int     ,_snake_case  :						int     ,_snake_case  :						float = 1 / sqrt(2       )       ):





    '''simple docstring'''


    lowercase__		       =						tau * frequency / samplerate
    lowercase__		       =						sin(_snake_case       )
    lowercase__		       =						cos(_snake_case       )
    lowercase__		       =						_sin / (2 * q_factor)

    lowercase__		       =						1 - alpha
    lowercase__		       =						-2 * _cos
    lowercase__		       =						1 + alpha

    lowercase__		       =						IIRFilter(2       )
    filt.set_coefficients([ba, ba, ba]     ,[ba, ba, ba]       )
    return filt




def        lowerCamelCase  (				_snake_case  :						int     ,_snake_case  :						int     ,_snake_case  :						float     ,_snake_case  :						float = 1 / sqrt(2       )     ,):





    '''simple docstring'''


    lowercase__		       =						tau * frequency / samplerate
    lowercase__		       =						sin(_snake_case       )
    lowercase__		       =						cos(_snake_case       )
    lowercase__		       =						_sin / (2 * q_factor)
    lowercase__		       =						10 ** (gain_db / 40)

    lowercase__		       =						1 + alpha * big_a
    lowercase__		       =						-2 * _cos
    lowercase__		       =						1 - alpha * big_a
    lowercase__		       =						1 + alpha / big_a
    lowercase__		       =						-2 * _cos
    lowercase__		       =						1 - alpha / big_a

    lowercase__		       =						IIRFilter(2       )
    filt.set_coefficients([aa, aa, aa]     ,[ba, ba, ba]       )
    return filt




def        lowerCamelCase  (				_snake_case  :						int     ,_snake_case  :						int     ,_snake_case  :						float     ,_snake_case  :						float = 1 / sqrt(2       )     ,):





    '''simple docstring'''


    lowercase__		       =						tau * frequency / samplerate
    lowercase__		       =						sin(_snake_case       )
    lowercase__		       =						cos(_snake_case       )
    lowercase__		       =						_sin / (2 * q_factor)
    lowercase__		       =						10 ** (gain_db / 40)
    lowercase__		       =						(big_a + 1) - (big_a - 1) * _cos
    lowercase__		       =						(big_a + 1) + (big_a - 1) * _cos
    lowercase__		       =						(big_a - 1) - (big_a + 1) * _cos
    lowercase__		       =						(big_a - 1) + (big_a + 1) * _cos
    lowercase__		       =						2 * sqrt(_snake_case       ) * alpha

    lowercase__		       =						big_a * (pmc + aaa)
    lowercase__		       =						2 * big_a * mpc
    lowercase__		       =						big_a * (pmc - aaa)
    lowercase__		       =						ppmc + aaa
    lowercase__		       =						-2 * pmpc
    lowercase__		       =						ppmc - aaa

    lowercase__		       =						IIRFilter(2       )
    filt.set_coefficients([aa, aa, aa]     ,[ba, ba, ba]       )
    return filt




def        lowerCamelCase  (				_snake_case  :						int     ,_snake_case  :						int     ,_snake_case  :						float     ,_snake_case  :						float = 1 / sqrt(2       )     ,):





    '''simple docstring'''


    lowercase__		       =						tau * frequency / samplerate
    lowercase__		       =						sin(_snake_case       )
    lowercase__		       =						cos(_snake_case       )
    lowercase__		       =						_sin / (2 * q_factor)
    lowercase__		       =						10 ** (gain_db / 40)
    lowercase__		       =						(big_a + 1) - (big_a - 1) * _cos
    lowercase__		       =						(big_a + 1) + (big_a - 1) * _cos
    lowercase__		       =						(big_a - 1) - (big_a + 1) * _cos
    lowercase__		       =						(big_a - 1) + (big_a + 1) * _cos
    lowercase__		       =						2 * sqrt(_snake_case       ) * alpha

    lowercase__		       =						big_a * (ppmc + aaa)
    lowercase__		       =						-2 * big_a * pmpc
    lowercase__		       =						big_a * (ppmc - aaa)
    lowercase__		       =						pmc + aaa
    lowercase__		       =						2 * mpc
    lowercase__		       =						pmc - aaa

    lowercase__		       =						IIRFilter(2       )
    filt.set_coefficients([aa, aa, aa]     ,[ba, ba, ba]       )
    return filt









'''simple docstring'''





import os
from typing import Dict, List, Union

import tensorflow as tf
from keras_nlp.tokenizers import BytePairTokenizer
from tensorflow_text import pad_model_inputs

from .tokenization_gpta import GPTaTokenizer


class 				snake_case (tf.keras.layers.Layer   ):



       def __init__(				self     ,UpperCAmelCase_     ,UpperCAmelCase_     ,UpperCAmelCase_ = None     ,UpperCAmelCase_ = None      )  ->							List[Any]:
           super().__init__()
           lowercase__		       =						pad_token_id
           lowercase__		       =						max_length
           lowercase__		       =						vocab
           lowercase__		       =						merges
           lowercase__		       =						BytePairTokenizer(UpperCAmelCase_     ,UpperCAmelCase_     ,sequence_length=UpperCAmelCase_      )



       @classmethod
       def 							_a      (				cls     ,UpperCAmelCase_     ,*UpperCAmelCase_     ,**UpperCAmelCase_      )  ->							List[str]:
           lowercase__		       =						[" ".join(UpperCAmelCase_      ) for m in tokenizer.bpe_ranks.keys()]
           lowercase__		       =						tokenizer.get_vocab()
           return cls(UpperCAmelCase_     ,UpperCAmelCase_     ,*UpperCAmelCase_     ,**UpperCAmelCase_      )



       @classmethod
       def 							_a      (				cls     ,UpperCAmelCase_     ,*UpperCAmelCase_     ,**UpperCAmelCase_      )  ->							Optional[Any]:
           lowercase__		       =						GPTaTokenizer.from_pretrained(UpperCAmelCase_     ,*UpperCAmelCase_     ,**UpperCAmelCase_      )
           return cls.from_tokenizer(UpperCAmelCase_     ,*UpperCAmelCase_     ,**UpperCAmelCase_      )



       @classmethod
       def 							_a      (				cls     ,UpperCAmelCase_      )  ->							Optional[Any]:
           return cls(**UpperCAmelCase_      )



       def 							_a      (				self      )  ->							Tuple:
           return {
               "vocab": self.vocab,
               "merges": self.merges,
               "max_length": self.max_length,
               "pad_token_id": self.pad_token_id,
           }







       def 							_a      (				self     ,UpperCAmelCase_     ,UpperCAmelCase_ = None      )  ->							Tuple:
           lowercase__		       =						self.tf_tokenizer(UpperCAmelCase_      )
           lowercase__		       =						tf.ones_like(UpperCAmelCase_      )

           if self.pad_token_id is not None:
               # pad the tokens up to max length
               lowercase__		       =						max_length if max_length is not None else self.max_length

               if max_length is not None:
                   lowercase__       ,       lowercase__		       =						pad_model_inputs(
                       UpperCAmelCase_     ,max_seq_length=UpperCAmelCase_     ,pad_value=self.pad_token_id      )

           return {"attention_mask": attention_mask, "input_ids": input_ids}




