


import math

import tensorflow as tf
from packaging import version




def   snake_case		(     UpperCamelCase__       :						List[Any]    )   ->      Tuple:
      lowerCamelCase					:					Optional[Any]        =	tf.convert_to_tensor(UpperCamelCase__    )
      lowerCamelCase					:					List[str]        =	0.5 * (1.0 + tf.math.erf(x / tf.cast(tf.sqrt(2.0    )			,				x.dtype    )    ))

      return x * cdf




def   snake_case		(     UpperCamelCase__       :						List[str]    )   ->      str:
      lowerCamelCase					:					List[str]        =	tf.convert_to_tensor(UpperCamelCase__    )
      lowerCamelCase					:					Union[str, Any]        =	tf.cast(math.pi			,				x.dtype    )
      lowerCamelCase					:					Any        =	tf.cast(0.0_4_4_7_1_5			,				x.dtype    )
      lowerCamelCase					:					Dict        =	0.5 * (1.0 + tf.tanh(tf.sqrt(2.0 / pi    ) * (x + coeff * tf.pow(UpperCamelCase__			,				3    ))    ))

      return x * cdf




def   snake_case		(     UpperCamelCase__       :						List[Any]    )   ->      Tuple:
      lowerCamelCase					:					Union[str, Any]        =	tf.convert_to_tensor(UpperCamelCase__    )

      return x * tf.tanh(tf.math.softplus(UpperCamelCase__    )    )




def   snake_case		(     UpperCamelCase__       :						Optional[Any]    )   ->      Optional[Any]:
      lowerCamelCase					:					Tuple        =	tf.convert_to_tensor(UpperCamelCase__    )
      lowerCamelCase					:					Dict        =	tf.cast(0.0_4_4_7_1_5			,				x.dtype    )
      lowerCamelCase					:					List[str]        =	tf.cast(0.7_9_7_8_8_4_5_6_0_8			,				x.dtype    )

      return 0.5 * x * (1.0 + tf.tanh(x * coeffa * (1.0 + coeffa * x * x)    ))




def   snake_case		(     UpperCamelCase__       :						Dict    )   ->      str:
      lowerCamelCase					:					int        =	tf.convert_to_tensor(UpperCamelCase__    )
      lowerCamelCase					:					List[Any]        =	tf.cast(1.7_0_2			,				x.dtype    )
      return x * tf.math.sigmoid(coeff * x    )




def   snake_case		(     UpperCamelCase__       :						Dict    )   ->      Optional[Any]:
      return tf.clip_by_value(_gelu(UpperCamelCase__    )			,				-10			,				10    )




def   snake_case		(     UpperCamelCase__       :						Tuple			,				UpperCamelCase__       :						Tuple=-1    )   ->      str:
      lowerCamelCase					:					List[Any]        =	tf.split(UpperCamelCase__			,				2			,				axis=UpperCamelCase__    )
      return a * tf.math.sigmoid(UpperCamelCase__    )


if version.parse(tf.version.VERSION) >= version.parse('2.4'):




    def   snake_case		(     UpperCamelCase__       :						List[str]    )   ->      Dict:
          return tf.keras.activations.gelu(UpperCamelCase__			,				approximate=UpperCamelCase__    )

    __lowerCamelCase      :Optional[Any]	    =		tf.keras.activations.gelu






    __lowerCamelCase      :Union[str, Any]	    =		approximate_gelu_wrap
else:
    __lowerCamelCase      :Any	    =		_gelu
    __lowerCamelCase      :Any	    =		_gelu_new


__lowerCamelCase      :Union[str, Any]	    =		{
    'gelu': gelu,
    'gelu_10': gelu_aa,
    'gelu_fast': gelu_fast,
    'gelu_new': gelu_new,
    'glu': glu,
    'mish': mish,
    'quick_gelu': quick_gelu,
    'relu': tf.keras.activations.relu,
    'sigmoid': tf.keras.activations.sigmoid,
    'silu': tf.keras.activations.swish,
    'swish': tf.keras.activations.swish,
    'tanh': tf.keras.activations.tanh,
}






def   snake_case		(     UpperCamelCase__       :						int    )   ->      Any:
      if activation_string in ACTaFN:
            return ACTaFN[activation_string]
      else:
            raise KeyError(F'function {activation_string} not found in ACT2FN mapping {list(ACTaFN.keys()    )}'    )








"""simple docstring"""


__lowerCamelCase      :List[Any]	    =		{0: [2, 3], 1: [0], 2: [1], 3: [4], 4: []}

__lowerCamelCase      :Union[str, Any]	    =		{0: [1, 2, 3], 1: [2], 2: [0], 3: [4], 4: [5], 5: [3]}




def   snake_case		(     UpperCamelCase__       :						dict[int, list[int]]			,				UpperCamelCase__       :						int			,				UpperCamelCase__       :						list[bool]    )   ->      list[int]:
      lowerCamelCase					:					Tuple        =	True
      lowerCamelCase					:					Any        =	[]

      for neighbour in graph[vert]:
            if not visited[neighbour]:
                  order += topology_sort(UpperCamelCase__			,				UpperCamelCase__			,				UpperCamelCase__    )

      order.append(UpperCamelCase__    )

      return order




def   snake_case		(     UpperCamelCase__       :						dict[int, list[int]]			,				UpperCamelCase__       :						int			,				UpperCamelCase__       :						list[bool]    )   ->      list[int]:
      lowerCamelCase					:					List[Any]        =	True
      lowerCamelCase					:					int        =	[vert]

      for neighbour in reversed_graph[vert]:
            if not visited[neighbour]:
                  component += find_components(UpperCamelCase__			,				UpperCamelCase__			,				UpperCamelCase__    )

      return component






def   snake_case		(     UpperCamelCase__       :						dict[int, list[int]]    )   ->      list[list[int]]:
      lowerCamelCase					:					int        =	len(UpperCamelCase__    ) * [False]
      lowerCamelCase					:					dict[int, list[int]]        =	{vert: [] for vert in range(len(UpperCamelCase__    )    )}

      for vert, neighbours in graph.items():
            for neighbour in neighbours:
                  reversed_graph[neighbour].append(UpperCamelCase__    )

      lowerCamelCase					:					int        =	[]
      for i, was_visited in enumerate(UpperCamelCase__    ):
            if not was_visited:
                  order += topology_sort(UpperCamelCase__			,				UpperCamelCase__			,				UpperCamelCase__    )

      lowerCamelCase					:					Tuple        =	[]
      lowerCamelCase					:					str        =	len(UpperCamelCase__    ) * [False]

      for i in range(len(UpperCamelCase__    )    ):
            lowerCamelCase					:					Any        =	order[len(UpperCamelCase__    ) - i - 1]
            if not visited[vert]:
                  lowerCamelCase					:					List[str]        =	find_components(UpperCamelCase__			,				UpperCamelCase__			,				UpperCamelCase__    )
                  components_list.append(UpperCamelCase__    )

      return components_list




