






def       _SCREAMING_SNAKE_CASE (							__snake_case )				->						int:

       if not isinstance(__snake_case   ,      __snake_case ):
              raise ValueError("""multiplicative_persistence() only accepts integral values""" )
       if num < 0:
              raise ValueError("""multiplicative_persistence() does not accept negative values""" )

       _UpperCAmelCase							=    0
       _UpperCAmelCase							=    str(__snake_case )

       while len(__snake_case ) != 1:
              _UpperCAmelCase							=    [int(__snake_case ) for i in num_string]

              _UpperCAmelCase							=    1
              for i in range(0   ,      len(__snake_case ) ):
                     total *= numbers[i]

              _UpperCAmelCase							=    str(__snake_case )

              steps += 1
       return steps




def       _SCREAMING_SNAKE_CASE (							__snake_case )				->						int:

       if not isinstance(__snake_case   ,      __snake_case ):
              raise ValueError("""additive_persistence() only accepts integral values""" )
       if num < 0:
              raise ValueError("""additive_persistence() does not accept negative values""" )

       _UpperCAmelCase							=    0
       _UpperCAmelCase							=    str(__snake_case )

       while len(__snake_case ) != 1:
              _UpperCAmelCase							=    [int(__snake_case ) for i in num_string]

              _UpperCAmelCase							=    0
              for i in range(0   ,      len(__snake_case ) ):
                     total += numbers[i]

              _UpperCAmelCase							=    str(__snake_case )

              steps += 1
       return steps


if __name__ == "__main__":
  import doctest

  doctest.testmod()




'''simple docstring'''
import os
from pathlib import Path






def A__       (	):
						from torch.utils.cpp_extension import load

						_UpperCamelCase   :						Optional[Any]												=  Path(UpperCAmelCase_				).resolve().parent.parent.parent / 'kernels' / 'deformable_detr'
						_UpperCamelCase   :						Tuple												=  [
						    root / filename
						    for filename in [
						        'vision.cpp',
						        os.path.join('cpu'    ,    'ms_deform_attn_cpu.cpp'				),
						        os.path.join('cuda'    ,    'ms_deform_attn_cuda.cu'				),
						    ]
						]

						load(
						    'MultiScaleDeformableAttention'    ,    UpperCAmelCase_    ,    with_cuda=UpperCAmelCase_    ,    extra_include_paths=[str(UpperCAmelCase_				)]    ,    extra_cflags=['-DWITH_CUDA=1']    ,    extra_cuda_cflags=[
						        '-DCUDA_HAS_FP16=1',
						        '-D__CUDA_NO_HALF_OPERATORS__',
						        '-D__CUDA_NO_HALF_CONVERSIONS__',
						        '-D__CUDA_NO_HALF2_OPERATORS__',
						    ]    ,    )

						import MultiScaleDeformableAttention as MSDA

						return MSDA


