


'''simple docstring'''

from typing import TYPE_CHECKING

from ...utils import (
    OptionalDependencyNotAvailable,
    _LazyModule,
    is_flax_available,
    is_sentencepiece_available,
    is_tf_available,
    is_tokenizers_available,
    is_torch_available,
)


__lowercase:		int    						=  {
    "configuration_switch_transformers": [
        "SWITCH_TRANSFORMERS_PRETRAINED_CONFIG_ARCHIVE_MAP",
        "SwitchTransformersConfig",
        "SwitchTransformersOnnxConfig",
    ]
}

try:
       if not is_torch_available():
              raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
       pass
else:
       __lowercase:		Any    						=  [
           "SWITCH_TRANSFORMERS_PRETRAINED_MODEL_ARCHIVE_LIST",
           "SwitchTransformersEncoderModel",
           "SwitchTransformersForConditionalGeneration",
           "SwitchTransformersModel",
           "SwitchTransformersPreTrainedModel",
           "SwitchTransformersTop1Router",
           "SwitchTransformersSparseMLP",
       ]


if TYPE_CHECKING:
       from .configuration_switch_transformers import (
           SWITCH_TRANSFORMERS_PRETRAINED_CONFIG_ARCHIVE_MAP,
           SwitchTransformersConfig,
           SwitchTransformersOnnxConfig,
       )

       try:
              if not is_torch_available():
                     raise OptionalDependencyNotAvailable()
       except OptionalDependencyNotAvailable:
              pass
       else:
              from .modeling_switch_transformers import (
                  SWITCH_TRANSFORMERS_PRETRAINED_MODEL_ARCHIVE_LIST,
                  SwitchTransformersEncoderModel,
                  SwitchTransformersForConditionalGeneration,
                  SwitchTransformersModel,
                  SwitchTransformersPreTrainedModel,
                  SwitchTransformersSparseMLP,
                  SwitchTransformersTopaRouter,
              )


else:
       import sys

       __lowercase:		Optional[int]    						=  _LazyModule(__name__, globals()["__file__"], _import_structure, module_spec=__spec__)







def 						A_					(						lowercase_	,  lowercase_			)				->List[Any]:







 """simple docstring"""

 SCREAMING_SNAKE_CASE				    =		1
 while b > 0:
  if b & 1:
   res *= a

  a *= a
  b >>= 1

 return res





def 						A_					(						lowercase_	,  lowercase_	,  lowercase_			)				->Any:







 """simple docstring"""

 SCREAMING_SNAKE_CASE				    =		1
 while b > 0:
  if b & 1:
   SCREAMING_SNAKE_CASE				    =		((res % c) * (a % c)) % c

  a *= a
  b >>= 1

 return res




