import os
import unittest

import pytest
from parameterized import parameterized

from transformers.testing_utils import require_torch, require_torch_gpu, slow, torch_device


# skipping in unittest tests

__lowerCamelCase :     Dict          =  [(1,)]




def 				_snake_case     (       ):
		"""simple docstring"""







		SCREAMING_SNAKE_CASE_  :		str    				=   bool(os.getenv("RUN_SLOW"       ,			0     )     )
		if run_slow:
				assert True
		else:
				assert False, "should have been skipped"




def 				_snake_case     (       ):
		"""simple docstring"""







		SCREAMING_SNAKE_CASE_  :		List[Any]    				=   bool(os.getenv("RUN_SLOW"       ,			0     )     )
		if run_slow and torch_device == "cuda":
				assert True
		else:
				assert False, "should have been skipped"






@require_torch
class 		a__						( unittest.TestCase ):

					@slow
					@require_torch_gpu
					def     __UpperCamelCase       (   self				:	Optional[int]   ):







							"""simple docstring"""






							check_slow_torch_cuda()

					@require_torch_gpu
					@slow
					def     __UpperCamelCase       (   self				:	Any   ):







							"""simple docstring"""






							check_slow_torch_cuda()






					@parameterized.expand(_A   )
					@slow
					def     __UpperCamelCase       (   self				:	Any,_A				:	Union[str, Any]=None   ):







							"""simple docstring"""






							check_slow()







@slow
@require_torch_gpu
def 				_snake_case     (       ):
		"""simple docstring"""







		check_slow_torch_cuda()




@require_torch_gpu
@slow
def 				_snake_case     (       ):
		"""simple docstring"""







		check_slow_torch_cuda()




@slow
@pytest.mark.parametrize("param"       ,			[1]     )
def 				_snake_case     (       lowerCAmelCase							:       Dict     ):
		"""simple docstring"""







		check_slow()







@pytest.mark.parametrize("param"       ,			[1]     )
@slow
def 				_snake_case     (       lowerCAmelCase							:       List[str]     ):
		"""simple docstring"""







		check_slow()

from __future__ import annotations

import sys




def 				_snake_case     (       lowerCAmelCase							:       int     ):
		"""simple docstring"""







		if n < 0:
				raise ValueError("Negative arguments are not supported"     )
		return _fib(lowerCAmelCase     )[0]




def 				_snake_case     (       lowerCAmelCase							:       int     ):
		"""simple docstring"""







		if n == 0:  # (F(0), F(1))
				return (0, 1)

		# F(2n) = F(n)[2F(n+1) − F(n)]
		# F(2n+1) = F(n+1)^2+F(n)^2
		SCREAMING_SNAKE_CASE_				,   SCREAMING_SNAKE_CASE_  :		Dict    				=   _fib(n // 2     )
		SCREAMING_SNAKE_CASE_  :		Optional[Any]    				=   a * (b * 2 - a)
		SCREAMING_SNAKE_CASE_  :		List[str]    				=   a * a + b * b
		return (d, c + d) if n % 2 else (c, d)


if __name__ == "__main__":
		__lowerCamelCase :     str          =  int(sys.argv[1])
		print(f'''fibonacci({n}) is {fibonacci(n)}''')
