from typing import Any



class  UpperCamelCase				:

     '''simple docstring'''

     def __init__(					self				,				A_						) ->				Dict:






           """simple docstring"""
           _lowerCamelCase			    =				data
           _lowerCamelCase			    =				None





     def __repr__(					self						) ->				str:






           """simple docstring"""
           return F'Node({self.data})'





class  UpperCamelCase				:

     '''simple docstring'''

     def __init__(					self						) ->				int:






           """simple docstring"""
           _lowerCamelCase			    =				None



     def __iter__(					self						) ->				Any:






           """simple docstring"""
           _lowerCamelCase			    =				self.head
           while node:
                 yield node.data
                 _lowerCamelCase			    =				node.next



     def __len__(					self						) ->				int:






           """simple docstring"""
           return sum(1 for _ in self						)



     def __repr__(					self						) ->				str:






           """simple docstring"""
           return "->".join([str(A_						) for item in self]						)



     def __getitem__(					self				,				A_						) ->				Any:






           """simple docstring"""
           if not 0 <= index < len(self						):
                 raise ValueError('''list index out of range.'''						)
           for i, node in enumerate(self						):
                 if i == index:
                       return node
           return None



     def __setitem__(					self				,				A_				,				A_						) ->				None:






           """simple docstring"""
           if not 0 <= index < len(self						):
                 raise ValueError('''list index out of range.'''						)
           _lowerCamelCase			    =				self.head
           for _ in range(A_						):
                 _lowerCamelCase			    =				current.next
           _lowerCamelCase			    =				data



     def 		UpperCamelCase_						(					self				,				A_						) ->				None:






           """simple docstring"""
           self.insert_nth(len(self						)				,				A_						)



     def 		UpperCamelCase_						(					self				,				A_						) ->				None:






           """simple docstring"""
           self.insert_nth(0				,				A_						)



     def 		UpperCamelCase_						(					self				,				A_				,				A_						) ->				None:






           """simple docstring"""
           if not 0 <= index <= len(self						):
                 raise IndexError('''list index out of range'''						)
           _lowerCamelCase			    =				Node(A_						)
           if self.head is None:
                 _lowerCamelCase			    =				new_node
           elif index == 0:
                 _lowerCamelCase			    =				self.head  # link new_node to head
                 _lowerCamelCase			    =				new_node
           else:
                 _lowerCamelCase			    =				self.head
                 for _ in range(index - 1						):
                       _lowerCamelCase			    =				temp.next
                 _lowerCamelCase			    =				temp.next
                 _lowerCamelCase			    =				new_node



     def 		UpperCamelCase_						(					self						) ->				None:  # print every node data






           """simple docstring"""
           print(self						)



     def 		UpperCamelCase_						(					self						) ->				Any:






           """simple docstring"""
           return self.delete_nth(0						)



     def 		UpperCamelCase_						(					self						) ->				Any:  # delete from tail






           """simple docstring"""
           return self.delete_nth(len(self						) - 1						)



     def 		UpperCamelCase_						(					self				,				A_ = 0						) ->				Any:






           """simple docstring"""
           if not 0 <= index <= len(self						) - 1:  # test if index is valid
                 raise IndexError('''List index out of range.'''						)
           _lowerCamelCase			    =				self.head  # default first node
           if index == 0:
                 _lowerCamelCase			    =				self.head.next
           else:
                 _lowerCamelCase			    =				self.head
                 for _ in range(index - 1						):
                       _lowerCamelCase			    =				temp.next
                 _lowerCamelCase			    =				temp.next
                 _lowerCamelCase			    =				temp.next.next
           return delete_node.data



     def 		UpperCamelCase_						(					self						) ->				bool:






           """simple docstring"""
           return self.head is None





     def 		UpperCamelCase_						(					self						) ->				None:






           """simple docstring"""
           _lowerCamelCase			    =				None
           _lowerCamelCase			    =				self.head

           while current:
                 # Store the current node's next node.
                 _lowerCamelCase			    =				current.next
                 # Make the current node's next point backwards
                 _lowerCamelCase			    =				prev
                 # Make the previous node be the current node
                 _lowerCamelCase			    =				current
                 # Make the current node the next node (to progress iteration)
                 _lowerCamelCase			    =				next_node
           # Return prev in order to put the head at the end
           _lowerCamelCase			    =				prev





def       __magic_name__(  )						->    None:



      '''simple docstring'''

      _lowerCamelCase			    =				LinkedList()
      assert linked_list.is_empty() is True
      assert str(__UpperCAmelCase		) == ""

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

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

      for i in range(10		):
            assert len(__UpperCAmelCase		) == i
            linked_list.insert_nth(__UpperCAmelCase ,						i + 1		)
      assert str(__UpperCAmelCase		) == "->".join(str(__UpperCAmelCase		) for i in range(1 ,						11		)		)

      linked_list.insert_head(0		)
      linked_list.insert_tail(11		)
      assert str(__UpperCAmelCase		) == "->".join(str(__UpperCAmelCase		) for i in range(0 ,						12		)		)

      assert linked_list.delete_head() == 0
      assert linked_list.delete_nth(9		) == 10
      assert linked_list.delete_tail() == 11
      assert len(__UpperCAmelCase		) == 9
      assert str(__UpperCAmelCase		) == "->".join(str(__UpperCAmelCase		) for i in range(1 ,						10		)		)

      assert all(linked_list[i] == i + 1 for i in range(0 ,						9		)		) is True

      for i in range(0 ,						9		):
            _lowerCamelCase			    =				-i
      assert all(linked_list[i] == -i for i in range(0 ,						9		)		) is True

      linked_list.reverse()
      assert str(__UpperCAmelCase		) == "->".join(str(__UpperCAmelCase		) for i in range(-8 ,						1		)		)
def       __magic_name__(  )						->    None:



      '''simple docstring'''

      _lowerCamelCase			    =				[
          -9,
          100,
          Node(7734_5112		),
          '''dlrow olleH''',
          7,
          5555,
          0,
          -1_9_2.5_5_5_5_5,
          '''Hello, world!''',
          7_7.9,
          Node(10		),
          None,
          None,
          1_2.2_0,
      ]
      _lowerCamelCase			    =				LinkedList()

      for i in test_input:
            linked_list.insert_tail(__UpperCAmelCase		)

      # Check if it's empty or not
      assert linked_list.is_empty() is False
      assert (
          str(__UpperCAmelCase		) == "-9->100->Node(77345112)->dlrow olleH->7->5555->0->"
          "-192.55555->Hello, world!->77.9->Node(10)->None->None->12.2"
      )

      # Delete the head
      _lowerCamelCase			    =				linked_list.delete_head()
      assert result == -9
      assert (
          str(__UpperCAmelCase		) == "100->Node(77345112)->dlrow olleH->7->5555->0->-192.55555->"
          "Hello, world!->77.9->Node(10)->None->None->12.2"
      )

      # Delete the tail
      _lowerCamelCase			    =				linked_list.delete_tail()
      assert result == 1_2.2
      assert (
          str(__UpperCAmelCase		) == "100->Node(77345112)->dlrow olleH->7->5555->0->-192.55555->"
          "Hello, world!->77.9->Node(10)->None->None"
      )

      # Delete a node in specific location in linked list
      _lowerCamelCase			    =				linked_list.delete_nth(10		)
      assert result is None
      assert (
          str(__UpperCAmelCase		) == "100->Node(77345112)->dlrow olleH->7->5555->0->-192.55555->"
          "Hello, world!->77.9->Node(10)->None"
      )

      # Add a Node instance to its head
      linked_list.insert_head(Node('''Hello again, world!'''		)		)
      assert (
          str(__UpperCAmelCase		)
          == "Node(Hello again, world!)->100->Node(77345112)->dlrow olleH->"
          "7->5555->0->-192.55555->Hello, world!->77.9->Node(10)->None"
      )

      # Add None to its tail
      linked_list.insert_tail(__UpperCAmelCase		)
      assert (
          str(__UpperCAmelCase		)
          == "Node(Hello again, world!)->100->Node(77345112)->dlrow olleH->"
          "7->5555->0->-192.55555->Hello, world!->77.9->Node(10)->None->None"
      )

      # Reverse the linked list
      linked_list.reverse()
      assert (
          str(__UpperCAmelCase		)
          == "None->None->Node(10)->77.9->Hello, world!->-192.55555->0->5555->"
          "7->dlrow olleH->Node(77345112)->100->Node(Hello again, world!)"
      )
def       __magic_name__(  )						->    Optional[Any]:



      '''simple docstring'''

      from doctest import testmod

      testmod()

      _lowerCamelCase			    =				LinkedList()
      linked_list.insert_head(input('''Inserting 1st at head '''		).strip()		)
      linked_list.insert_head(input('''Inserting 2nd at head '''		).strip()		)
      print('''\nPrint list:'''		)
      linked_list.print_list()
      linked_list.insert_tail(input('''\nInserting 1st at tail '''		).strip()		)
      linked_list.insert_tail(input('''Inserting 2nd at tail '''		).strip()		)
      print('''\nPrint list:'''		)
      linked_list.print_list()
      print('''\nDelete head'''		)
      linked_list.delete_head()
      print('''Delete tail'''		)
      linked_list.delete_tail()
      print('''\nPrint list:'''		)
      linked_list.print_list()
      print('''\nReverse linked list'''		)
      linked_list.reverse()
      print('''\nPrint list:'''		)
      linked_list.print_list()
      print('''\nString representation of linked list:'''		)
      print(__UpperCAmelCase		)
      print('''\nReading/changing Node data using indexing:'''		)
      print(F'Element at Position 1: {linked_list[1]}'		)
      _lowerCamelCase			    =				input('''Enter New Value: '''		).strip()
      print('''New list:'''		)
      print(__UpperCAmelCase		)
      print(F'length of linked_list is : {len(__UpperCAmelCase		)}'		)


if __name__ == "__main__":
     main()
from dataclasses import dataclass
from typing import Optional, Tuple, Union

import torch
import torch.nn as nn

from ..configuration_utils import ConfigMixin, register_to_config
from ..utils import BaseOutput
from .embeddings import GaussianFourierProjection, TimestepEmbedding, Timesteps
from .modeling_utils import ModelMixin
from .unet_ad_blocks import get_down_block, get_mid_block, get_out_block, get_up_block



@dataclass
class  UpperCamelCase				( __lowercase ):

     '''simple docstring'''

     A_										=  42





class  UpperCamelCase				( __lowercase   ,  __lowercase ):

     '''simple docstring'''

     @register_to_config
     def __init__(					self				,				A_ = 6_55_36				,				A_ = None				,				A_ = 2				,				A_ = 2				,				A_ = 0				,				A_ = "fourier"				,				A_ = True				,				A_ = False				,				A_ = 0.0				,				A_ = ("DownBlock1DNoSkip", "DownBlock1D", "AttnDownBlock1D")				,				A_ = ("AttnUpBlock1D", "UpBlock1D", "UpBlock1DNoSkip")				,				A_ = "UNetMidBlock1D"				,				A_ = None				,				A_ = (32, 32, 64)				,				A_ = None				,				A_ = 8				,				A_ = 1				,				A_ = False				,				) ->				Dict:






           """simple docstring"""
           super().__init__()
           _lowerCamelCase			    =				sample_size

           # time
           if time_embedding_type == "fourier":
                 _lowerCamelCase			    =				GaussianFourierProjection(
                     embedding_size=8				,				set_W_to_weight=A_				,				log=A_				,				flip_sin_to_cos=A_						)
                 _lowerCamelCase			    =				2 * block_out_channels[0]
           elif time_embedding_type == "positional":
                 _lowerCamelCase			    =				Timesteps(
                     block_out_channels[0]				,				flip_sin_to_cos=A_				,				downscale_freq_shift=A_						)
                 _lowerCamelCase			    =				block_out_channels[0]

           if use_timestep_embedding:
                 _lowerCamelCase			    =				block_out_channels[0] * 4
                 _lowerCamelCase			    =				TimestepEmbedding(
                     in_channels=A_				,				time_embed_dim=A_				,				act_fn=A_				,				out_dim=block_out_channels[0]				,				)

           _lowerCamelCase			    =				nn.ModuleList([]						)
           _lowerCamelCase			    =				None
           _lowerCamelCase			    =				nn.ModuleList([]						)
           _lowerCamelCase			    =				None

           # down
           _lowerCamelCase			    =				in_channels
           for i, down_block_type in enumerate(A_						):
                 _lowerCamelCase			    =				output_channel
                 _lowerCamelCase			    =				block_out_channels[i]

                 if i == 0:
                       input_channel += extra_in_channels

                 _lowerCamelCase			    =				i == len(A_						) - 1

                 _lowerCamelCase			    =				get_down_block(
                     A_				,				num_layers=A_				,				in_channels=A_				,				out_channels=A_				,				temb_channels=block_out_channels[0]				,				add_downsample=not is_final_block or downsample_each_block				,				)
                 self.down_blocks.append(A_						)

           # mid
           _lowerCamelCase			    =				get_mid_block(
               A_				,				in_channels=block_out_channels[-1]				,				mid_channels=block_out_channels[-1]				,				out_channels=block_out_channels[-1]				,				embed_dim=block_out_channels[0]				,				num_layers=A_				,				add_downsample=A_				,				)

           # up
           _lowerCamelCase			    =				list(reversed(A_						)						)
           _lowerCamelCase			    =				reversed_block_out_channels[0]
           if out_block_type is None:
                 _lowerCamelCase			    =				out_channels
           else:
                 _lowerCamelCase			    =				block_out_channels[0]

           for i, up_block_type in enumerate(A_						):
                 _lowerCamelCase			    =				output_channel
                 _lowerCamelCase			    =				(
                     reversed_block_out_channels[i + 1] if i < len(A_						) - 1 else final_upsample_channels
                 )

                 _lowerCamelCase			    =				i == len(A_						) - 1

                 _lowerCamelCase			    =				get_up_block(
                     A_				,				num_layers=A_				,				in_channels=A_				,				out_channels=A_				,				temb_channels=block_out_channels[0]				,				add_upsample=not is_final_block				,				)
                 self.up_blocks.append(A_						)
                 _lowerCamelCase			    =				output_channel

           # out
           _lowerCamelCase			    =				norm_num_groups if norm_num_groups is not None else min(block_out_channels[0] // 4				,				32						)
           _lowerCamelCase			    =				get_out_block(
               out_block_type=A_				,				num_groups_out=A_				,				embed_dim=block_out_channels[0]				,				out_channels=A_				,				act_fn=A_				,				fc_dim=block_out_channels[-1] // 4				,				)





     def 		UpperCamelCase_						(					self				,				A_				,				A_				,				A_ = True				,				) ->				Union[UNetaDOutput, Tuple]:






           """simple docstring"""
           _lowerCamelCase			    =				timestep
           if not torch.is_tensor(A_						):
                 _lowerCamelCase			    =				torch.tensor([timesteps]				,				dtype=torch.long				,				device=sample.device						)
           elif torch.is_tensor(A_						) and len(timesteps.shape						) == 0:
                 _lowerCamelCase			    =				timesteps[None].to(sample.device						)

           _lowerCamelCase			    =				self.time_proj(A_						)
           if self.config.use_timestep_embedding:
                 _lowerCamelCase			    =				self.time_mlp(A_						)
           else:
                 _lowerCamelCase			    =				timestep_embed[..., None]
                 _lowerCamelCase			    =				timestep_embed.repeat([1, 1, sample.shape[2]]						).to(sample.dtype						)
                 _lowerCamelCase			    =				timestep_embed.broadcast_to((sample.shape[:1] + timestep_embed.shape[1:])						)

           # 2. down
           _lowerCamelCase			    =				()
           for downsample_block in self.down_blocks:
                 _lowerCamelCase    ,					_lowerCamelCase			    =				downsample_block(hidden_states=A_				,				temb=A_						)
                 down_block_res_samples += res_samples

           # 3. mid
           if self.mid_block:
                 _lowerCamelCase			    =				self.mid_block(A_				,				A_						)

           # 4. up
           for i, upsample_block in enumerate(self.up_blocks						):
                 _lowerCamelCase			    =				down_block_res_samples[-1:]
                 _lowerCamelCase			    =				down_block_res_samples[:-1]
                 _lowerCamelCase			    =				upsample_block(A_				,				res_hidden_states_tuple=A_				,				temb=A_						)

           # 5. post-process
           if self.out_block:
                 _lowerCamelCase			    =				self.out_block(A_				,				A_						)

           if not return_dict:
                 return (sample,)

           return UNetaDOutput(sample=A_						)