
from heapq import heappop, heappush

import numpy as np






def 							_lowercase							(     UpperCamelCase_	,	UpperCamelCase_	,	UpperCamelCase_	,	UpperCamelCase_	,	)		->		tuple[float | int, list[tuple[int, int]]]:
					'''simple docstring'''


					SCREAMING_SNAKE_CASE__						, SCREAMING_SNAKE_CASE__													= grid.shape
					SCREAMING_SNAKE_CASE__													= [-1, 1, 0, 0]
					SCREAMING_SNAKE_CASE__													= [0, 0, -1, 1]
					if allow_diagonal:
										dx += [-1, -1, 1, 1]
										dy += [-1, 1, -1, 1]

					SCREAMING_SNAKE_CASE__						, SCREAMING_SNAKE_CASE__													= [(0, source)], set()
					SCREAMING_SNAKE_CASE__													= np.full((rows, cols)	,	np.inf		)
					SCREAMING_SNAKE_CASE__													= 0
					SCREAMING_SNAKE_CASE__													= np.empty((rows, cols)	,	dtype=UpperCamelCase_		)
					SCREAMING_SNAKE_CASE__													= None

					while queue:
										((SCREAMING_SNAKE_CASE__)						, (SCREAMING_SNAKE_CASE__))													= heappop(UpperCamelCase_		)
										if (x, y) in visited:
															continue
										visited.add((x, y)		)

										if (x, y) == destination:
															SCREAMING_SNAKE_CASE__													= []
															while (x, y) != source:
																				path.append((x, y)		)
																				SCREAMING_SNAKE_CASE__						, SCREAMING_SNAKE_CASE__													= predecessors[x, y]
															path.append(UpperCamelCase_		)  # add the source manually
															path.reverse()
															return matrix[destination], path

										for i in range(len(UpperCamelCase_		)		):
															SCREAMING_SNAKE_CASE__						, SCREAMING_SNAKE_CASE__													= x + dx[i], y + dy[i]
															if 0 <= nx < rows and 0 <= ny < cols:
																				SCREAMING_SNAKE_CASE__													= grid[nx][ny]
																				if next_node == 1 and matrix[nx, ny] > dist + 1:
																									heappush(UpperCamelCase_	,	(dist + 1, (nx, ny))		)
																									SCREAMING_SNAKE_CASE__													= dist + 1
																									SCREAMING_SNAKE_CASE__													= (x, y)

					return np.inf, []


if __name__ == "__main__":
				import doctest

				doctest.testmod()







import flax.linen as nn
import jax.numpy as jnp

from .attention_flax import FlaxTransformeraDModel
from .resnet_flax import FlaxDownsampleaD, FlaxResnetBlockaD, FlaxUpsampleaD




class 						lowercase__  (						nn.Module  ):
	A__    :   int
	A__    :   int
	A__    :   float				       =0.0
	A__    :   int				       =1
	A__    :   int				       =1
	A__    :   bool				       =True
	A__    :   bool				       =False
	A__    :   bool				       =False
	A__    :   bool				       =False
	A__    :   jnp.dtype				       =jnp.floataa
	def      A_				(			self							:   Optional[Any]							):
						SCREAMING_SNAKE_CASE__													= []
						SCREAMING_SNAKE_CASE__													= []

						for i in range(self.num_layers							):
											SCREAMING_SNAKE_CASE__													= self.in_channels if i == 0 else self.out_channels

											SCREAMING_SNAKE_CASE__													= FlaxResnetBlockaD(
											    in_channels=UpperCAmelCase_       ,   out_channels=self.out_channels       ,   dropout_prob=self.dropout       ,   dtype=self.dtype       ,   )
											resnets.append(UpperCAmelCase_							)

											SCREAMING_SNAKE_CASE__													= FlaxTransformeraDModel(
											    in_channels=self.out_channels       ,   n_heads=self.num_attention_heads       ,   d_head=self.out_channels // self.num_attention_heads       ,   depth=1       ,   use_linear_projection=self.use_linear_projection       ,   only_cross_attention=self.only_cross_attention       ,   use_memory_efficient_attention=self.use_memory_efficient_attention       ,   dtype=self.dtype       ,   )
											attentions.append(UpperCAmelCase_							)

						SCREAMING_SNAKE_CASE__													= resnets
						SCREAMING_SNAKE_CASE__													= attentions

						if self.add_downsample:
											SCREAMING_SNAKE_CASE__													= FlaxDownsampleaD(self.out_channels       ,   dtype=self.dtype							)





	def __call__(			self							:   int       ,   UpperCAmelCase_							:   str       ,   UpperCAmelCase_							:   Tuple       ,   UpperCAmelCase_							:   Dict       ,   UpperCAmelCase_							:   int=True							):
						SCREAMING_SNAKE_CASE__													= ()

						for resnet, attn in zip(self.resnets       ,   self.attentions							):
											SCREAMING_SNAKE_CASE__													= resnet(UpperCAmelCase_       ,   UpperCAmelCase_       ,   deterministic=UpperCAmelCase_							)
											SCREAMING_SNAKE_CASE__													= attn(UpperCAmelCase_       ,   UpperCAmelCase_       ,   deterministic=UpperCAmelCase_							)
											output_states += (hidden_states,)

						if self.add_downsample:
											SCREAMING_SNAKE_CASE__													= self.downsamplers_a(UpperCAmelCase_							)
											output_states += (hidden_states,)

						return hidden_states, output_states





class 						lowercase__  (						nn.Module  ):
	A__    :   int
	A__    :   int
	A__    :   float				       =0.0
	A__    :   int				       =1
	A__    :   bool				       =True
	A__    :   jnp.dtype				       =jnp.floataa
	def      A_				(			self							:   List[str]							):
						SCREAMING_SNAKE_CASE__													= []

						for i in range(self.num_layers							):
											SCREAMING_SNAKE_CASE__													= self.in_channels if i == 0 else self.out_channels

											SCREAMING_SNAKE_CASE__													= FlaxResnetBlockaD(
											    in_channels=UpperCAmelCase_       ,   out_channels=self.out_channels       ,   dropout_prob=self.dropout       ,   dtype=self.dtype       ,   )
											resnets.append(UpperCAmelCase_							)
						SCREAMING_SNAKE_CASE__													= resnets

						if self.add_downsample:
											SCREAMING_SNAKE_CASE__													= FlaxDownsampleaD(self.out_channels       ,   dtype=self.dtype							)





	def __call__(			self							:   List[str]       ,   UpperCAmelCase_							:   Any       ,   UpperCAmelCase_							:   Union[str, Any]       ,   UpperCAmelCase_							:   List[Any]=True							):
						SCREAMING_SNAKE_CASE__													= ()

						for resnet in self.resnets:
											SCREAMING_SNAKE_CASE__													= resnet(UpperCAmelCase_       ,   UpperCAmelCase_       ,   deterministic=UpperCAmelCase_							)
											output_states += (hidden_states,)

						if self.add_downsample:
											SCREAMING_SNAKE_CASE__													= self.downsamplers_a(UpperCAmelCase_							)
											output_states += (hidden_states,)

						return hidden_states, output_states





class 						lowercase__  (						nn.Module  ):
	A__    :   int
	A__    :   int
	A__    :   int
	A__    :   float				       =0.0
	A__    :   int				       =1
	A__    :   int				       =1
	A__    :   bool				       =True
	A__    :   bool				       =False
	A__    :   bool				       =False
	A__    :   bool				       =False
	A__    :   jnp.dtype				       =jnp.floataa
	def      A_				(			self							:   List[str]							):
						SCREAMING_SNAKE_CASE__													= []
						SCREAMING_SNAKE_CASE__													= []

						for i in range(self.num_layers							):
											SCREAMING_SNAKE_CASE__													= self.in_channels if (i == self.num_layers - 1) else self.out_channels
											SCREAMING_SNAKE_CASE__													= self.prev_output_channel if i == 0 else self.out_channels

											SCREAMING_SNAKE_CASE__													= FlaxResnetBlockaD(
											    in_channels=resnet_in_channels + res_skip_channels       ,   out_channels=self.out_channels       ,   dropout_prob=self.dropout       ,   dtype=self.dtype       ,   )
											resnets.append(UpperCAmelCase_							)

											SCREAMING_SNAKE_CASE__													= FlaxTransformeraDModel(
											    in_channels=self.out_channels       ,   n_heads=self.num_attention_heads       ,   d_head=self.out_channels // self.num_attention_heads       ,   depth=1       ,   use_linear_projection=self.use_linear_projection       ,   only_cross_attention=self.only_cross_attention       ,   use_memory_efficient_attention=self.use_memory_efficient_attention       ,   dtype=self.dtype       ,   )
											attentions.append(UpperCAmelCase_							)

						SCREAMING_SNAKE_CASE__													= resnets
						SCREAMING_SNAKE_CASE__													= attentions

						if self.add_upsample:
											SCREAMING_SNAKE_CASE__													= FlaxUpsampleaD(self.out_channels       ,   dtype=self.dtype							)





	def __call__(			self							:   str       ,   UpperCAmelCase_							:   str       ,   UpperCAmelCase_							:   Any       ,   UpperCAmelCase_							:   str       ,   UpperCAmelCase_							:   Any       ,   UpperCAmelCase_							:   Union[str, Any]=True							):
						for resnet, attn in zip(self.resnets       ,   self.attentions							):
											# pop res hidden states
											SCREAMING_SNAKE_CASE__													= res_hidden_states_tuple[-1]
											SCREAMING_SNAKE_CASE__													= res_hidden_states_tuple[:-1]
											SCREAMING_SNAKE_CASE__													= jnp.concatenate((hidden_states, res_hidden_states)       ,   axis=-1							)

											SCREAMING_SNAKE_CASE__													= resnet(UpperCAmelCase_       ,   UpperCAmelCase_       ,   deterministic=UpperCAmelCase_							)
											SCREAMING_SNAKE_CASE__													= attn(UpperCAmelCase_       ,   UpperCAmelCase_       ,   deterministic=UpperCAmelCase_							)

						if self.add_upsample:
											SCREAMING_SNAKE_CASE__													= self.upsamplers_a(UpperCAmelCase_							)

						return hidden_states





class 						lowercase__  (						nn.Module  ):
	A__    :   int
	A__    :   int
	A__    :   int
	A__    :   float				       =0.0
	A__    :   int				       =1
	A__    :   bool				       =True
	A__    :   jnp.dtype				       =jnp.floataa
	def      A_				(			self							:   List[Any]							):
						SCREAMING_SNAKE_CASE__													= []

						for i in range(self.num_layers							):
											SCREAMING_SNAKE_CASE__													= self.in_channels if (i == self.num_layers - 1) else self.out_channels
											SCREAMING_SNAKE_CASE__													= self.prev_output_channel if i == 0 else self.out_channels

											SCREAMING_SNAKE_CASE__													= FlaxResnetBlockaD(
											    in_channels=resnet_in_channels + res_skip_channels       ,   out_channels=self.out_channels       ,   dropout_prob=self.dropout       ,   dtype=self.dtype       ,   )
											resnets.append(UpperCAmelCase_							)

						SCREAMING_SNAKE_CASE__													= resnets

						if self.add_upsample:
											SCREAMING_SNAKE_CASE__													= FlaxUpsampleaD(self.out_channels       ,   dtype=self.dtype							)





	def __call__(			self							:   Tuple       ,   UpperCAmelCase_							:   Any       ,   UpperCAmelCase_							:   Any       ,   UpperCAmelCase_							:   Dict       ,   UpperCAmelCase_							:   Dict=True							):
						for resnet in self.resnets:
											# pop res hidden states
											SCREAMING_SNAKE_CASE__													= res_hidden_states_tuple[-1]
											SCREAMING_SNAKE_CASE__													= res_hidden_states_tuple[:-1]
											SCREAMING_SNAKE_CASE__													= jnp.concatenate((hidden_states, res_hidden_states)       ,   axis=-1							)

											SCREAMING_SNAKE_CASE__													= resnet(UpperCAmelCase_       ,   UpperCAmelCase_       ,   deterministic=UpperCAmelCase_							)

						if self.add_upsample:
											SCREAMING_SNAKE_CASE__													= self.upsamplers_a(UpperCAmelCase_							)

						return hidden_states





class 						lowercase__  (						nn.Module  ):
	A__    :   int
	A__    :   float				       =0.0
	A__    :   int				       =1
	A__    :   int				       =1
	A__    :   bool				       =False
	A__    :   bool				       =False
	A__    :   jnp.dtype				       =jnp.floataa
	def      A_				(			self							:   Optional[int]							):
						# there is always at least one resnet
						SCREAMING_SNAKE_CASE__													= [
						    FlaxResnetBlockaD(
						        in_channels=self.in_channels       ,   out_channels=self.in_channels       ,   dropout_prob=self.dropout       ,   dtype=self.dtype       ,   )
						]

						SCREAMING_SNAKE_CASE__													= []

						for _ in range(self.num_layers							):
											SCREAMING_SNAKE_CASE__													= FlaxTransformeraDModel(
											    in_channels=self.in_channels       ,   n_heads=self.num_attention_heads       ,   d_head=self.in_channels // self.num_attention_heads       ,   depth=1       ,   use_linear_projection=self.use_linear_projection       ,   use_memory_efficient_attention=self.use_memory_efficient_attention       ,   dtype=self.dtype       ,   )
											attentions.append(UpperCAmelCase_							)

											SCREAMING_SNAKE_CASE__													= FlaxResnetBlockaD(
											    in_channels=self.in_channels       ,   out_channels=self.in_channels       ,   dropout_prob=self.dropout       ,   dtype=self.dtype       ,   )
											resnets.append(UpperCAmelCase_							)

						SCREAMING_SNAKE_CASE__													= resnets
						SCREAMING_SNAKE_CASE__													= attentions





	def __call__(			self							:   str       ,   UpperCAmelCase_							:   Union[str, Any]       ,   UpperCAmelCase_							:   Optional[int]       ,   UpperCAmelCase_							:   List[str]       ,   UpperCAmelCase_							:   Any=True							):
						SCREAMING_SNAKE_CASE__													= self.resnets[0](UpperCAmelCase_       ,   UpperCAmelCase_							)
						for attn, resnet in zip(self.attentions       ,   self.resnets[1:]							):
											SCREAMING_SNAKE_CASE__													= attn(UpperCAmelCase_       ,   UpperCAmelCase_       ,   deterministic=UpperCAmelCase_							)
											SCREAMING_SNAKE_CASE__													= resnet(UpperCAmelCase_       ,   UpperCAmelCase_       ,   deterministic=UpperCAmelCase_							)

						return hidden_states





