






import math


class 		lowerCAmelCase_							:





     def __init__(  self       ,   _UpperCAmelCase       ,   _UpperCAmelCase       ,   _UpperCAmelCase       ,   _UpperCAmelCase     )		->							int:
        lowerCamelCase											=x
        lowerCamelCase											=y
        lowerCamelCase											=step_size
        lowerCamelCase											=function_to_optimize





     def 	lowerCamelCase       (  self     )		->							int:
        return self.function(self.x       ,   self.y     )





     def 	lowerCamelCase       (  self     )		->							Union[str, Any]:
        lowerCamelCase											=self.step_size
        return [
            SearchProblem(_UpperCAmelCase       ,   _UpperCAmelCase       ,   _UpperCAmelCase       ,   self.function     )
            for x, y in (
                (self.x - step_size, self.y - step_size),
                (self.x - step_size, self.y),
                (self.x - step_size, self.y + step_size),
                (self.x, self.y - step_size),
                (self.x, self.y + step_size),
                (self.x + step_size, self.y - step_size),
                (self.x + step_size, self.y),
                (self.x + step_size, self.y + step_size),
            )
        ]





     def __hash__(  self     )		->							Tuple:
        return hash(str(self     )     )





     def __eq__(  self       ,   _UpperCAmelCase     )		->							Union[str, Any]:
        if isinstance(_UpperCAmelCase       ,   _UpperCAmelCase     ):
           return hash(str(self     )     ) == hash(str(_UpperCAmelCase     )     )
        return False





     def __str__(  self     )		->							int:
        return F'x: {self.x} y: {self.y}'






def    UpperCAmelCase__	(						lowerCamelCase  : Union[str, Any] ,lowerCamelCase  : bool = True ,lowerCamelCase  : float = math.inf ,lowerCamelCase  : float = -math.inf ,lowerCamelCase  : float = math.inf ,lowerCamelCase  : float = -math.inf ,lowerCamelCase  : bool = False ,lowerCamelCase  : int = 1_00_00 ,):
   lowerCamelCase											=search_prob
   lowerCamelCase											=[]  # list to store the current score at each iteration
   lowerCamelCase											=0
   lowerCamelCase											=False
   lowerCamelCase											=set()
   while not solution_found and iterations < max_iter:
      visited.add(lowerCamelCase						)
      iterations += 1
      lowerCamelCase											=current_state.score()
      scores.append(lowerCamelCase						)
      lowerCamelCase											=current_state.get_neighbors()
      lowerCamelCase											=-math.inf
      lowerCamelCase											=math.inf
      lowerCamelCase											=None  # to hold the next best neighbor
      for neighbor in neighbors:
         if neighbor in visited:
            continue  # do not want to visit the same state again
         if (
             neighbor.x > max_x
             or neighbor.x < min_x
             or neighbor.y > max_y
             or neighbor.y < min_y
         ):
            continue  # neighbor outside our bounds
         lowerCamelCase											=neighbor.score() - current_score
         if find_max:  # finding max
            # going to direction with greatest ascent
            if change > max_change and change > 0:
               lowerCamelCase											=change
               lowerCamelCase											=neighbor
         else:  # finding min
            # to direction with greatest descent
            if change < min_change and change < 0:
               lowerCamelCase											=change
               lowerCamelCase											=neighbor
      if next_state is not None:
         # we found at least one neighbor which improved the current state
         lowerCamelCase											=next_state
      else:
         # since we have no neighbor that improves the solution we stop the search
         lowerCamelCase											=True

   if visualization:
      from matplotlib import pyplot as plt

      plt.plot(range(lowerCamelCase						) ,lowerCamelCase						)
      plt.xlabel("""Iterations"""						)
      plt.ylabel("""Function values"""						)
      plt.show()

   return current_state


if __name__ == "__main__":
   import doctest

   doctest.testmod()






   def    UpperCAmelCase__	(						lowerCamelCase  : str ,lowerCamelCase  : str						):
      return (x**2) + (y**2)

   # starting the problem with initial coordinates (3, 4)
   _UpperCAmelCase				:	Optional[Any]    						=    SearchProblem(x=3, y=4, step_size=1, function_to_optimize=test_fa)
   _UpperCAmelCase				:	Tuple    						=    hill_climbing(prob, find_max=False)
   print(
       'The minimum score for f(x, y) = x^2 + y^2 found via hill climbing: '
       f"{local_min.score()}"
   )

   # starting the problem with initial coordinates (12, 47)
   _UpperCAmelCase				:	Optional[int]    						=    SearchProblem(x=12, y=47, step_size=1, function_to_optimize=test_fa)
   _UpperCAmelCase				:	Any    						=    hill_climbing(
       prob, find_max=False, max_x=100, min_x=5, max_y=50, min_y=-5, visualization=True
   )
   print(
       'The minimum score for f(x, y) = x^2 + y^2 with the domain 100 > x > 5 '
       f"and 50 > y > - 5 found via hill climbing: {local_min.score()}"
   )






   def    UpperCAmelCase__	(						lowerCamelCase  : str ,lowerCamelCase  : Optional[int]						):
      return (3 * x**2) - (6 * y)

   _UpperCAmelCase				:	int    						=    SearchProblem(x=3, y=4, step_size=1, function_to_optimize=test_fa)
   _UpperCAmelCase				:	Optional[int]    						=    hill_climbing(prob, find_max=True)







   print(
       'The maximum score for f(x, y) = x^2 + y^2 found via hill climbing: '
       f"{local_min.score()}"
   )







import unittest

from transformers import ErnieMTokenizer
from transformers.testing_utils import get_tests_dir, require_sentencepiece, require_tokenizers, slow

from ...test_tokenization_common import TokenizerTesterMixin


_UpperCAmelCase				:	Any    						=    get_tests_dir('fixtures/spiece.model')


@require_sentencepiece
@require_tokenizers
class 		lowerCAmelCase_							(     UpperCamelCase							,    unittest.TestCase   ):
     __lowerCamelCase					:						List[Any]     =    ErnieMTokenizer
     __lowerCamelCase					:						Optional[Any]     =    False
     __lowerCamelCase					:						Optional[int]     =    True
     __lowerCamelCase					:						str     =    False
     __lowerCamelCase					:						Any     =    False





     def 	lowerCamelCase       (  self     )		->							Any:
        super().setUp()

        # We have a SentencePiece fixture for testing
        lowerCamelCase											=ErnieMTokenizer(_UpperCAmelCase       ,   unk_token="""<unk>"""       ,   pad_token="""<pad>"""     )
        tokenizer.save_pretrained(self.tmpdirname     )





     def 	lowerCamelCase       (  self       ,   _UpperCAmelCase     )		->							Union[str, Any]:
        lowerCamelCase											="""this is a test"""
        lowerCamelCase											="""this is a test"""
        return input_text, output_text





     def 	lowerCamelCase       (  self     )		->							List[Any]:
        lowerCamelCase											="""<pad>"""
        lowerCamelCase											=0

        self.assertEqual(self.get_tokenizer()._convert_token_to_id(_UpperCAmelCase     )       ,   _UpperCAmelCase     )
        self.assertEqual(self.get_tokenizer()._convert_id_to_token(_UpperCAmelCase     )       ,   _UpperCAmelCase     )





     def 	lowerCamelCase       (  self     )		->							List[str]:
        lowerCamelCase											=list(self.get_tokenizer().get_vocab().keys()     )

        self.assertEqual(vocab_keys[0]       ,   """<pad>"""     )
        self.assertEqual(vocab_keys[1]       ,   """<unk>"""     )
        self.assertEqual(vocab_keys[-1]       ,   """▁eloquent"""     )
        self.assertEqual(len(_UpperCAmelCase     )       ,   30000     )





     def 	lowerCamelCase       (  self     )		->							Any:
        self.assertEqual(self.get_tokenizer().vocab_size       ,   30000     )





     def 	lowerCamelCase       (  self     )		->							Any:
        if not self.test_rust_tokenizer:
           return

        lowerCamelCase											=self.get_tokenizer()
        lowerCamelCase											=self.get_rust_tokenizer()

        lowerCamelCase											="""I was born in 92000, and this is falsé."""

        lowerCamelCase											=tokenizer.tokenize(_UpperCAmelCase     )
        lowerCamelCase											=rust_tokenizer.tokenize(_UpperCAmelCase     )
        self.assertListEqual(_UpperCAmelCase       ,   _UpperCAmelCase     )

        lowerCamelCase											=tokenizer.encode(_UpperCAmelCase       ,   add_special_tokens=_UpperCAmelCase     )
        lowerCamelCase											=rust_tokenizer.encode(_UpperCAmelCase       ,   add_special_tokens=_UpperCAmelCase     )
        self.assertListEqual(_UpperCAmelCase       ,   _UpperCAmelCase     )

        lowerCamelCase											=self.get_rust_tokenizer()
        lowerCamelCase											=tokenizer.encode(_UpperCAmelCase     )
        lowerCamelCase											=rust_tokenizer.encode(_UpperCAmelCase     )
        self.assertListEqual(_UpperCAmelCase       ,   _UpperCAmelCase     )





     def 	lowerCamelCase       (  self     )		->							Union[str, Any]:
        lowerCamelCase											=ErnieMTokenizer(_UpperCAmelCase       ,   do_lower_case=_UpperCAmelCase       ,   unk_token="""<unk>"""       ,   pad_token="""<pad>"""     )

        lowerCamelCase											=tokenizer.tokenize("""This is a test"""     )
        self.assertListEqual(_UpperCAmelCase       ,   ["""▁this""", """▁is""", """▁a""", """▁test"""]     )

        self.assertListEqual(tokenizer.convert_tokens_to_ids(_UpperCAmelCase     )       ,   [48, 25, 21, 1289]     )

        lowerCamelCase											=tokenizer.tokenize("""I was born in 92000, and this is falsé."""     )
        # ErnieMTokenizer(paddlenlp implementation) outputs '9' instead of '_9' so to mimic that '_9' is changed to '9'
        self.assertListEqual(
            _UpperCAmelCase       ,   ["""▁i""", """▁was""", """▁born""", """▁in""", """9""", """2000""", """,""", """▁and""", """▁this""", """▁is""", """▁fal""", """s""", """é""", """."""]     )
        lowerCamelCase											=tokenizer.convert_tokens_to_ids(_UpperCAmelCase     )
        self.assertListEqual(_UpperCAmelCase       ,   [31, 23, 386, 19, 518, 3050, 15, 17, 48, 25, 8256, 18, 1, 9]     )

        lowerCamelCase											=tokenizer.convert_ids_to_tokens(_UpperCAmelCase     )
        self.assertListEqual(
            _UpperCAmelCase       ,   ["""▁i""", """▁was""", """▁born""", """▁in""", """9""", """2000""", """,""", """▁and""", """▁this""", """▁is""", """▁fal""", """s""", """<unk>""", """."""]       ,   )





     def 	lowerCamelCase       (  self     )		->							List[str]:
        lowerCamelCase											=ErnieMTokenizer(_UpperCAmelCase       ,   unk_token="""<unk>"""       ,   pad_token="""<pad>"""     )

        lowerCamelCase											=tokenizer.encode("""sequence builders"""     )
        lowerCamelCase											=tokenizer.encode("""multi-sequence build"""     )

        lowerCamelCase											=tokenizer.build_inputs_with_special_tokens(_UpperCAmelCase     )
        lowerCamelCase											=tokenizer.build_inputs_with_special_tokens(_UpperCAmelCase       ,   _UpperCAmelCase     )

        assert encoded_sentence == [tokenizer.cls_token_id] + text + [tokenizer.sep_token_id]
        assert encoded_pair == [tokenizer.cls_token_id] + text + [tokenizer.sep_token_id] + [
            tokenizer.sep_token_id
        ] + text_a + [tokenizer.sep_token_id]





     @slow
     def 	lowerCamelCase       (  self     )		->							Dict:
        # fmt: off
        lowerCamelCase											={"""input_ids""": [[0, 11062, 82772, 7, 15, 82772, 538, 51529, 237, 17198, 1290, 206, 9, 215175, 1314, 136, 17198, 1290, 206, 9, 56359, 42, 122009, 9, 16466, 16, 87344, 4537, 9, 4717, 78381, 6, 159958, 7, 15, 24480, 618, 4, 527, 22693, 9, 304, 4, 2777, 24480, 9874, 4, 43523, 594, 4, 803, 18392, 33189, 18, 4, 43523, 24447, 5, 5, 5, 16, 100, 24955, 83658, 9626, 144057, 15, 839, 22335, 16, 136, 24955, 83658, 83479, 15, 39102, 724, 16, 678, 645, 6460, 1328, 4589, 42, 122009, 115774, 23, 3559, 1328, 46876, 7, 136, 53894, 1940, 42227, 41159, 17721, 823, 425, 4, 27512, 98722, 206, 136, 5531, 4970, 919, 17336, 5, 2], [0, 20080, 618, 83, 82775, 47, 479, 9, 1517, 73, 53894, 333, 80581, 110117, 18811, 5256, 1295, 51, 152526, 297, 7986, 390, 124416, 538, 35431, 214, 98, 15044, 25737, 136, 7108, 43701, 23, 756, 135355, 7, 5, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1], [0, 581, 63773, 119455, 6, 147797, 88203, 7, 645, 70, 21, 3285, 10269, 5, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]]}
        # fmt: on

        self.tokenizer_integration_test_util(
            expected_encoding=_UpperCAmelCase       ,   model_name="""susnato/ernie-m-base_pytorch"""       ,   sequences=[
                """Transformers (formerly known as pytorch-transformers and pytorch-pretrained-bert) provides """
                """general-purpose architectures (BERT, GPT-2, RoBERTa, XLM, DistilBert, XLNet...) for Natural """
                """Language Understanding (NLU) and Natural Language Generation (NLG) with over32+ pretrained """
                """models in100+ languages and deep interoperability between Jax, PyTorch and TensorFlow.""",
                """BERT is designed to pre-train deep bidirectional representations from unlabeled text by jointly """
                """conditioning on both left and right context in all layers.""",
                """The quick brown fox jumps over the lazy dog.""",
            ]       ,   )