
class    a_ :






			def __init__(      self				,			__UpperCamelCase				,			__UpperCamelCase=None				,			__UpperCamelCase=None  ):
									_lowercase					       =					data
									_lowercase					       =					previous
									_lowercase					       =					next_node






			def __str__(      self  ):
									return f"""{self.data}"""






			def    UpperCamelCase_				(      self  ):
									return self.data






			def    UpperCamelCase_				(      self  ):
									return self.next






			def    UpperCamelCase_				(      self  ):
									return self.previous







class    a_ :






			def __init__(      self				,			__UpperCamelCase  ):
									_lowercase					       =					head






			def __iter__(      self  ):
									return self






			def    UpperCamelCase_				(      self  ):
									if not self.current:
															raise StopIteration
									else:
															_lowercase					       =					self.current.get_data()
															_lowercase					       =					self.current.get_next()
															return value







class    a_ :






			def __init__(      self  ):
									_lowercase					       =					None  # First node in list
									_lowercase					       =					None  # Last node in list






			def __str__(      self  ):
									_lowercase					       =					self.head
									_lowercase					       =					[]
									while current is not None:
															nodes.append(current.get_data()  )
															_lowercase					       =					current.get_next()
									return " ".join(str(__UpperCamelCase  ) for node in nodes  )






			def __contains__(      self				,			__UpperCamelCase  ):
									_lowercase					       =					self.head
									while current:
															if current.get_data() == value:
																					return True
															_lowercase					       =					current.get_next()
									return False






			def __iter__(      self  ):
									return LinkedListIterator(self.head  )






			def    UpperCamelCase_				(      self  ):
									if self.head:
															return self.head.get_data()
									return None






			def    UpperCamelCase_				(      self  ):
									if self.tail:
															return self.tail.get_data()
									return None






			def    UpperCamelCase_				(      self				,			__UpperCamelCase  ):
									if self.head is None:
															_lowercase					       =					node
															_lowercase					       =					node
									else:
															self.insert_before_node(self.head				,			__UpperCamelCase  )






			def    UpperCamelCase_				(      self				,			__UpperCamelCase  ):
									if self.head is None:
															self.set_head(__UpperCamelCase  )
									else:
															self.insert_after_node(self.tail				,			__UpperCamelCase  )






			def    UpperCamelCase_				(      self				,			__UpperCamelCase  ):
									_lowercase					       =					Node(__UpperCamelCase  )
									if self.head is None:
															self.set_head(__UpperCamelCase  )
									else:
															self.set_tail(__UpperCamelCase  )






			def    UpperCamelCase_				(      self				,			__UpperCamelCase				,			__UpperCamelCase  ):
									_lowercase					       =					node
									_lowercase					       =					node.previous

									if node.get_previous() is None:
															_lowercase					       =					node_to_insert
									else:
															_lowercase					       =					node_to_insert

									_lowercase					       =					node_to_insert






			def    UpperCamelCase_				(      self				,			__UpperCamelCase				,			__UpperCamelCase  ):
									_lowercase					       =					node
									_lowercase					       =					node.next

									if node.get_next() is None:
															_lowercase					       =					node_to_insert
									else:
															_lowercase					       =					node_to_insert

									_lowercase					       =					node_to_insert






			def    UpperCamelCase_				(      self				,			__UpperCamelCase				,			__UpperCamelCase  ):
									_lowercase					       =					1
									_lowercase					       =					Node(__UpperCamelCase  )
									_lowercase					       =					self.head
									while node:
															if current_position == position:
																					self.insert_before_node(__UpperCamelCase				,			__UpperCamelCase  )
																					return
															current_position += 1
															_lowercase					       =					node.next
									self.insert_after_node(self.tail				,			__UpperCamelCase  )






			def    UpperCamelCase_				(      self				,			__UpperCamelCase  ):
									_lowercase					       =					self.head
									while node:
															if node.get_data() == item:
																					return node
															_lowercase					       =					node.get_next()
									raise Exception("""Node not found"""  )






			def    UpperCamelCase_				(      self				,			__UpperCamelCase  ):
									if (node := self.get_node(__UpperCamelCase  )) is not None:
															if node == self.head:
																					_lowercase					       =					self.head.get_next()

															if node == self.tail:
																					_lowercase					       =					self.tail.get_previous()

															self.remove_node_pointers(__UpperCamelCase  )






			@staticmethod
			def    UpperCamelCase_				(      __UpperCamelCase  ):
									if node.get_next():
															_lowercase					       =					node.previous

									if node.get_previous():
															_lowercase					       =					node.next

									_lowercase					       =					None
									_lowercase					       =					None






			def    UpperCamelCase_				(      self  ):
									return self.head is None







def 	UpperCamelCase__  (     )  ->     None:
						pass


if __name__ == "__main__":
		import doctest

		doctest.testmod()

from ...utils import (
    OptionalDependencyNotAvailable,
    is_torch_available,
    is_transformers_available,
    is_transformers_version,
)


try:
		if not (is_transformers_available() and is_torch_available()):
				raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
		from ...utils.dummy_torch_and_transformers_objects import ShapEPipeline
else:
		from .camera import create_pan_cameras
		from .pipeline_shap_e import ShapEPipeline
		from .pipeline_shap_e_img2img import ShapEImgaImgPipeline
		from .renderer import (
		    BoundingBoxVolume,
		    ImportanceRaySampler,
		    MLPNeRFModelOutput,
		    MLPNeRSTFModel,
		    ShapEParamsProjModel,
		    ShapERenderer,
		    StratifiedRaySampler,
		    VoidNeRFModel,
		)