


import copy

from ...configuration_utils import PretrainedConfig
from ...utils import logging


_SCREAMING_SNAKE_CASE    :				Dict       =					logging.get_logger(__name__)

_SCREAMING_SNAKE_CASE    :				Tuple       =					{}

class 						A__      (					snake_case__			):







    """simple docstring"""

    __magic_name__    						=	'fsmt_decoder'
    def __init__( self    ,      __snake_case=0    ,      __snake_case=0					):
         super().__init__()
         snake_case					=       vocab_size
         snake_case					=       bos_token_id






class 						A__      (					snake_case__			):







    """simple docstring"""

    __magic_name__    						=	'fsmt'
    __magic_name__    						=	{'num_attention_heads': 'encoder_attention_heads', 'hidden_size': 'd_model'}
    def __init__( self    ,      __snake_case=["en", "de"]    ,      __snake_case=4_2_0_2_4    ,      __snake_case=4_2_0_2_4    ,      __snake_case="relu"    ,      __snake_case=1_0_2_4    ,      __snake_case=2_0_0    ,      __snake_case=1_0_2_4    ,      __snake_case=4_0_9_6    ,      __snake_case=1_2    ,      __snake_case=1_6    ,      __snake_case=0.0    ,      __snake_case=4_0_9_6    ,      __snake_case=1_2    ,      __snake_case=1_6    ,      __snake_case=0.0    ,      __snake_case=0.0    ,      __snake_case=0.1    ,      __snake_case=0.0    ,      __snake_case=0.02    ,      __snake_case=2    ,      __snake_case=True    ,      __snake_case=True    ,      __snake_case=False    ,      __snake_case=5    ,      __snake_case=1.0    ,      __snake_case=False    ,      __snake_case=True    ,      __snake_case=1    ,      __snake_case=0    ,      __snake_case=2    ,      __snake_case=2    ,      **__snake_case    ,      ):
         snake_case					=       langs
         snake_case					=       src_vocab_size
         snake_case					=       tgt_vocab_size
         snake_case					=       d_model  # encoder_embed_dim and decoder_embed_dim

         snake_case					=       encoder_ffn_dim
         snake_case					=       snake_case					=       encoder_layers
         snake_case					=       encoder_attention_heads
         snake_case					=       encoder_layerdrop
         snake_case					=       decoder_layerdrop
         snake_case					=       decoder_ffn_dim
         snake_case					=       decoder_layers
         snake_case					=       decoder_attention_heads
         snake_case					=       max_position_embeddings
         snake_case					=       init_std  # Normal(0, this parameter)
         snake_case					=       activation_function

         snake_case					=       DecoderConfig(vocab_size=__snake_case    ,      bos_token_id=__snake_case					)
         if "decoder" in common_kwargs:
              del common_kwargs["decoder"]

         snake_case					=       scale_embedding  # scale factor will be sqrt(d_model) if True

         # 3 Types of Dropout
         snake_case					=       attention_dropout
         snake_case					=       activation_dropout
         snake_case					=       dropout

         snake_case					=       use_cache
         super().__init__(
             pad_token_id=__snake_case    ,      bos_token_id=__snake_case    ,      eos_token_id=__snake_case    ,      decoder_start_token_id=__snake_case    ,      is_encoder_decoder=__snake_case    ,      tie_word_embeddings=__snake_case    ,      forced_eos_token_id=__snake_case    ,      max_length=__snake_case    ,      num_beams=__snake_case    ,      length_penalty=__snake_case    ,      early_stopping=__snake_case    ,      **__snake_case    ,      )




    def 	a_    ( self					):
         snake_case					=       copy.deepcopy(self.__dict__					)
         snake_case					=       self.decoder.to_dict()
         snake_case					=       self.__class__.model_type
         return output








from __future__ import annotations

import random
from collections.abc import Iterable

class 						A__      :







    """simple docstring"""

    def __init__( self    ,      __snake_case					):
         snake_case					=       {literal: None for literal in literals}
    def __str__( self					):
         return "{" + " , ".join(self.literals					) + "}"
    def __len__( self					):
         return len(self.literals					)
    def 	a_    ( self    ,      __snake_case					):
         for literal in self.literals:
              snake_case					=       literal[:2]
              if symbol in model:
                   snake_case					=       model[symbol]
              else:
                   continue
              if value is not None:
                   # Complement assignment if literal is in complemented form
                   if literal.endswith('''\''''					):
                        snake_case					=       not value
              snake_case					=       value




    def 	a_    ( self    ,      __snake_case					):
         for literal in self.literals:
              snake_case					=       literal.rstrip('''\''''					) if literal.endswith('''\''''					) else literal + '''\''''
              if symbol in self.literals:
                   return True

         self.assign(__snake_case					)
         for value in self.literals.values():
              if value in (True, None):
                   return value
         return any(self.literals.values()					)






class 						A__      :







    """simple docstring"""

    def __init__( self    ,      __snake_case					):
         snake_case					=       list(__snake_case					)




    def __str__( self					):
         return "{" + " , ".join(str(__snake_case					) for clause in self.clauses					) + "}"






def     UpperCAmelCase__		():



     """simple docstring"""






     snake_case					=       []
     snake_case					=       random.randint(1							,5       )
     snake_case					=       '''A'''
     snake_case					=       0
     while i < no_of_literals:
          snake_case					=       random.randint(1							,5       )
          snake_case					=       base_var + str(UpperCamelCase_       )
          snake_case					=       random.randint(0							,1       )
          if var_complement == 1:
               var_name += "'"
          if var_name in literals:
               i -= 1
          else:
               literals.append(UpperCamelCase_       )
          i += 1
     return Clause(UpperCamelCase_       )
def     UpperCAmelCase__		():



     """simple docstring"""






     snake_case					=       set()
     snake_case					=       random.randint(1							,10       )
     while len(UpperCamelCase_       ) < no_of_clauses:
          clauses.add(generate_clause()       )
     return Formula(UpperCamelCase_       )
def     UpperCAmelCase__		(UpperCamelCase_       ):



     """simple docstring"""






     snake_case					=       formula.clauses
     snake_case					=       []
     for clause in formula.clauses:
          for literal in clause.literals:
               snake_case					=       literal[:2]
               if symbol not in symbols_set:
                    symbols_set.append(UpperCamelCase_       )
     return clauses, symbols_set
def     UpperCAmelCase__		(UpperCamelCase_							,UpperCamelCase_							,UpperCamelCase_       ):



     """simple docstring"""






     snake_case					=       []
     snake_case					=       {}
     snake_case					=       []

     for clause in clauses:
          if clause.evaluate(UpperCamelCase_       ):
               continue
          for literal in clause.literals:
               literals.append(UpperCamelCase_       )

     for s in symbols:
          snake_case					=       s + '''\''''
          if (s in literals and sym not in literals) or (
              s not in literals and sym in literals
          ):
               pure_symbols.append(UpperCamelCase_       )
     for p in pure_symbols:
          snake_case					=       None
     for s in pure_symbols:
          snake_case					=       s + '''\''''
          if s in literals:
               snake_case					=       True
          elif sym in literals:
               snake_case					=       False
     return pure_symbols, assignment
def     UpperCAmelCase__		(UpperCamelCase_							,UpperCamelCase_       ):



     """simple docstring"""






     snake_case					=       []
     for clause in clauses:
          if len(UpperCamelCase_       ) == 1:
               unit_symbols.append(list(clause.literals.keys()       )[0]       )
          else:
               snake_case				,						snake_case					=       0, 0
               for literal, value in clause.literals.items():
                    if value is False:
                         f_count += 1
                    elif value is None:
                         snake_case					=       literal
                         n_count += 1
               if f_count == len(UpperCamelCase_       ) - 1 and n_count == 1:
                    unit_symbols.append(UpperCamelCase_       )
     snake_case					=       {}
     for i in unit_symbols:
          snake_case					=       i[:2]
          snake_case					=       len(UpperCamelCase_       ) == 2
     snake_case					=       [i[:2] for i in unit_symbols]

     return unit_symbols, assignment
def     UpperCAmelCase__		(UpperCamelCase_							,UpperCamelCase_							,UpperCamelCase_       ):



     """simple docstring"""






     snake_case					=       True
     for clause in clauses:
          snake_case					=       clause.evaluate(UpperCamelCase_       )
          if clause_check is False:
               return False, None
          elif clause_check is None:
               snake_case					=       False
               continue

     if check_clause_all_true:
          return True, model

     try:
          snake_case				,						snake_case					=       find_pure_symbols(UpperCamelCase_							,UpperCamelCase_							,UpperCamelCase_       )
     except RecursionError:
          print('''raises a RecursionError and is'''       )
          return None, {}
     snake_case					=       None
     if len(UpperCamelCase_       ) > 0:
          snake_case				,						snake_case					=       pure_symbols[0], assignment[pure_symbols[0]]

     if p:
          snake_case					=       model
          snake_case					=       value
          snake_case					=       list(UpperCamelCase_       )
          if p in tmp_symbols:
               tmp_symbols.remove(UpperCamelCase_       )
          return dpll_algorithm(UpperCamelCase_							,UpperCamelCase_							,UpperCamelCase_       )

     snake_case				,						snake_case					=       find_unit_clauses(UpperCamelCase_							,UpperCamelCase_       )
     snake_case					=       None
     if len(UpperCamelCase_       ) > 0:
          snake_case				,						snake_case					=       unit_symbols[0], assignment[unit_symbols[0]]
     if p:
          snake_case					=       model
          snake_case					=       value
          snake_case					=       list(UpperCamelCase_       )
          if p in tmp_symbols:
               tmp_symbols.remove(UpperCamelCase_       )
          return dpll_algorithm(UpperCamelCase_							,UpperCamelCase_							,UpperCamelCase_       )
     snake_case					=       symbols[0]
     snake_case					=       symbols[1:]
     snake_case				,						snake_case					=       model, model
     snake_case				,						snake_case					=       True, False

     return dpll_algorithm(UpperCamelCase_							,UpperCamelCase_							,UpperCamelCase_       ) or dpll_algorithm(UpperCamelCase_							,UpperCamelCase_							,UpperCamelCase_       )


if __name__ == "__main__":
 import doctest

 doctest.testmod()

 _SCREAMING_SNAKE_CASE    :				Dict       =					generate_formula()
 print(f'''The formula {formula} is''', end=" ")

 _SCREAMING_SNAKE_CASE   ,     _SCREAMING_SNAKE_CASE    :				Any       =					generate_parameters(formula)
 _SCREAMING_SNAKE_CASE   ,     _SCREAMING_SNAKE_CASE    :				Optional[Any]       =					dpll_algorithm(clauses, symbols, {})

 if solution:
  print(f'''satisfiable with the assignment {model}.''')
 else:
  print("not satisfiable.")




