

from ..utils import (
    OptionalDependencyNotAvailable,
    is_flax_available,
    is_scipy_available,
    is_torch_available,
    is_torchsde_available,
)


try:
	if not is_torch_available():
		raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
	from ..utils.dummy_pt_objects import *  # noqa F403
else:
	from .scheduling_consistency_models import CMStochasticIterativeScheduler
	from .scheduling_ddim import DDIMScheduler
	from .scheduling_ddim_inverse import DDIMInverseScheduler
	from .scheduling_ddim_parallel import DDIMParallelScheduler
	from .scheduling_ddpm import DDPMScheduler
	from .scheduling_ddpm_parallel import DDPMParallelScheduler
	from .scheduling_deis_multistep import DEISMultistepScheduler
	from .scheduling_dpmsolver_multistep import DPMSolverMultistepScheduler
	from .scheduling_dpmsolver_multistep_inverse import DPMSolverMultistepInverseScheduler
	from .scheduling_dpmsolver_singlestep import DPMSolverSinglestepScheduler
	from .scheduling_euler_ancestral_discrete import EulerAncestralDiscreteScheduler
	from .scheduling_euler_discrete import EulerDiscreteScheduler
	from .scheduling_heun_discrete import HeunDiscreteScheduler
	from .scheduling_ipndm import IPNDMScheduler
	from .scheduling_k_dpm_2_ancestral_discrete import KDPMaAncestralDiscreteScheduler
	from .scheduling_k_dpm_2_discrete import KDPMaDiscreteScheduler
	from .scheduling_karras_ve import KarrasVeScheduler
	from .scheduling_pndm import PNDMScheduler
	from .scheduling_repaint import RePaintScheduler
	from .scheduling_sde_ve import ScoreSdeVeScheduler
	from .scheduling_sde_vp import ScoreSdeVpScheduler
	from .scheduling_unclip import UnCLIPScheduler
	from .scheduling_unipc_multistep import UniPCMultistepScheduler
	from .scheduling_utils import KarrasDiffusionSchedulers, SchedulerMixin
	from .scheduling_vq_diffusion import VQDiffusionScheduler

try:
	if not is_flax_available():
		raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
	from ..utils.dummy_flax_objects import *  # noqa F403
else:
	from .scheduling_ddim_flax import FlaxDDIMScheduler
	from .scheduling_ddpm_flax import FlaxDDPMScheduler
	from .scheduling_dpmsolver_multistep_flax import FlaxDPMSolverMultistepScheduler
	from .scheduling_karras_ve_flax import FlaxKarrasVeScheduler
	from .scheduling_lms_discrete_flax import FlaxLMSDiscreteScheduler
	from .scheduling_pndm_flax import FlaxPNDMScheduler
	from .scheduling_sde_ve_flax import FlaxScoreSdeVeScheduler
	from .scheduling_utils_flax import (
	    FlaxKarrasDiffusionSchedulers,
	    FlaxSchedulerMixin,
	    FlaxSchedulerOutput,
	    broadcast_to_shape_from_left,
	)


try:
	if not (is_torch_available() and is_scipy_available()):
		raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
	from ..utils.dummy_torch_and_scipy_objects import *  # noqa F403
else:
	from .scheduling_lms_discrete import LMSDiscreteScheduler

try:
	if not (is_torch_available() and is_torchsde_available()):
		raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
	from ..utils.dummy_torch_and_torchsde_objects import *  # noqa F403
else:
	from .scheduling_dpmsolver_sde import DPMSolverSDEScheduler




from __future__ import annotations

from collections.abc import Iterator
from typing import Any

class 					a__						:
			"""simple docstring"""







			def __init__(    self      ,      lowercase       )  ->						int:
							'''simple docstring'''






							A__        =			data
							A__        =			None

class 					a__						:
			"""simple docstring"""







			def __init__(    self       )  ->						List[Any]:
							'''simple docstring'''






							A__        =			None
							A__        =			None


			def __iter__(    self       )  ->						Iterator[Any]:
							'''simple docstring'''






							A__        =			self.head
							while self.head:
											yield node.data
											A__        =			node.next
											if node == self.head:
															break


			def __len__(    self       )  ->						int:
							'''simple docstring'''






							return sum(1 for _ in self       )


			def __repr__(    self       )  ->						List[Any]:
							'''simple docstring'''






							return "->".join(str(lowercase       ) for item in iter(self       )       )


			def      UpperCamelCase		(    self      ,      lowercase       )  ->						None:
							'''simple docstring'''






							self.insert_nth(len(self       )      ,      lowercase       )


			def      UpperCamelCase		(    self      ,      lowercase       )  ->						None:
							'''simple docstring'''






							self.insert_nth(0      ,      lowercase       )


			def      UpperCamelCase		(    self      ,      lowercase      ,      lowercase       )  ->						None:
							'''simple docstring'''






							if index < 0 or index > len(self       ):
											raise IndexError("list index out of range."       )
							A__        =			Node(lowercase       )
							if self.head is None:
											A__        =			new_node  # first node points itself
											A__        =			A__        =			new_node
							elif index == 0:  # insert at head
											A__        =			self.head
											A__        =			A__        =			new_node
							else:
											A__        =			self.head
											for _ in range(index - 1       ):
															A__        =			temp.next
											A__        =			temp.next
											A__        =			new_node
											if index == len(self       ) - 1:  # insert at tail
															A__        =			new_node


			def      UpperCamelCase		(    self       )  ->						List[Any]:
							'''simple docstring'''






							return self.delete_nth(0       )


			def      UpperCamelCase		(    self       )  ->						Any:
							'''simple docstring'''






							return self.delete_nth(len(self       ) - 1       )


			def      UpperCamelCase		(    self      ,      lowercase = 0       )  ->						Any:
							'''simple docstring'''






							if not 0 <= index < len(self       ):
											raise IndexError("list index out of range."       )
							A__        =			self.head
							if self.head == self.tail:  # just one node
											A__        =			A__        =			None
							elif index == 0:  # delete head node
											A__        =			self.tail.next.next
											A__        =			self.head.next
							else:
											A__        =			self.head
											for _ in range(index - 1       ):
															A__        =			temp.next
											A__        =			temp.next
											A__        =			temp.next.next
											if index == len(self       ) - 1:  # delete at tail
															A__        =			temp
							return delete_node.data


			def      UpperCamelCase		(    self       )  ->						bool:
							'''simple docstring'''






							return len(self       ) == 0



def 					lowerCAmelCase__							(	)			->      None:




				'''simple docstring'''





				A__        =			CircularLinkedList()
				assert len(SCREAMING_SNAKE_CASE_      ) == 0
				assert circular_linked_list.is_empty() is True
				assert str(SCREAMING_SNAKE_CASE_      ) == ""

				try:
								circular_linked_list.delete_front()
								raise AssertionError  # This should not happen
				except IndexError:
								assert True  # This should happen

				try:
								circular_linked_list.delete_tail()
								raise AssertionError  # This should not happen
				except IndexError:
								assert True  # This should happen

				try:
								circular_linked_list.delete_nth(-1      )
								raise AssertionError
				except IndexError:
								assert True

				try:
								circular_linked_list.delete_nth(0      )
								raise AssertionError
				except IndexError:
								assert True

				assert circular_linked_list.is_empty() is True
				for i in range(5      ):
								assert len(SCREAMING_SNAKE_CASE_      ) == i
								circular_linked_list.insert_nth(SCREAMING_SNAKE_CASE_	,       i + 1      )
				assert str(SCREAMING_SNAKE_CASE_      ) == "->".join(str(SCREAMING_SNAKE_CASE_      ) for i in range(1	,       6      )      )

				circular_linked_list.insert_tail(6      )
				assert str(SCREAMING_SNAKE_CASE_      ) == "->".join(str(SCREAMING_SNAKE_CASE_      ) for i in range(1	,       7      )      )
				circular_linked_list.insert_head(0      )
				assert str(SCREAMING_SNAKE_CASE_      ) == "->".join(str(SCREAMING_SNAKE_CASE_      ) for i in range(0	,       7      )      )

				assert circular_linked_list.delete_front() == 0
				assert circular_linked_list.delete_tail() == 6
				assert str(SCREAMING_SNAKE_CASE_      ) == "->".join(str(SCREAMING_SNAKE_CASE_      ) for i in range(1	,       6      )      )
				assert circular_linked_list.delete_nth(2      ) == 3

				circular_linked_list.insert_nth(2	,       3      )
				assert str(SCREAMING_SNAKE_CASE_      ) == "->".join(str(SCREAMING_SNAKE_CASE_      ) for i in range(1	,       6      )      )

				assert circular_linked_list.is_empty() is False


if __name__ == "__main__":
	import doctest

	doctest.testmod()

