




'''simple docstring'''







import json
import os
from dataclasses import dataclass

import numpy as np
import pyarrow as pa

import datasets
from utils import get_duration


lowercase			:      int			=					1000_0000_0000
lowercase			:      Dict			=					1_0000

lowercase,  lowercase			:      List[str]			=					os.path.split(__file__)
lowercase			:      Dict			=					os.path.join(RESULTS_BASEPATH, """results""", RESULTS_FILENAME.replace(""".py""", """.json"""))



def 					lowerCamelCase__							(			__lowercase    ,      __lowercase							):
     snake_case :			Tuple					   = pa.Table.from_pydict({"""col""": [0] * chunk_size}							)
     snake_case :			str					   = pa.concat_tables([table] * (num_examples // chunk_size)							)
     return datasets.Dataset(__lowercase    ,      fingerprint="""table_100B"""							)







@dataclass
class 				_a   :





     '''simple docstring'''



     lowerCAmelCase_     :    int
     lowerCAmelCase_     :    int
     lowerCAmelCase_     :    int
     lowerCAmelCase_     :    int







     def  snake_case_			(							self       )			->							str:
          snake_case :			int					   = np.random.default_rng(self.seed       )
          snake_case :			Dict					   = rng.integers(low=self.low       ,high=self.high       ,size=self.size       ).tolist()







     def __iter__(							self       )			->							Optional[int]:
          return iter(self._sampled_values       )







     def __len__(							self       )			->							List[Any]:
          return self.size



@get_duration
def 					lowerCamelCase__							(			__lowercase							):
     snake_case :			Optional[Any]					   = dataset[0]



@get_duration
def 					lowerCamelCase__							(			__lowercase							):
     snake_case :			str					   = dataset[-1]



@get_duration
def 					lowerCamelCase__							(			__lowercase							):
     snake_case :			List[str]					   = dataset[range(len(__lowercase							) // 2    ,      len(__lowercase							) // 2 + 1_024							)]



@get_duration
def 					lowerCamelCase__							(			__lowercase							):
     snake_case :			str					   = dataset[RandIter(0    ,      len(__lowercase							)    ,      1_024    ,      seed=42							)]



def 					lowerCamelCase__							(			):
     snake_case :			List[Any]					   = {"""num examples""": SPEED_TEST_N_EXAMPLES}
     snake_case :			Any					   = (get_first_row, get_last_row, get_batch_of_aaaa_rows, get_batch_of_aaaa_random_rows)
     print("""generating dataset"""							)
     snake_case :			Any					   = generate_100B_dataset(num_examples=__lowercase    ,      chunk_size=__lowercase							)
     print("""Functions"""							)
     for func in functions:
          print(func.__name__							)
          snake_case :			int					   = func(__lowercase							)

     with open(__lowercase    ,      """wb"""							) as f:
          f.write(json.dumps(__lowercase							).encode("""utf-8"""							)							)


if __name__ == "__main__":  # useful to run the profiler
      benchmark_table_100B()









'''simple docstring'''







from .balanced_parentheses import balanced_parentheses
from .stack import Stack



def 					lowerCamelCase__							(			__lowercase							):
     return {"+": 1, "-": 1, "*": 2, "/": 2, "^": 3}.get(__lowercase    ,      -1							)



def 					lowerCamelCase__							(			__lowercase							):
     if not balanced_parentheses(__lowercase							):
          raise ValueError("""Mismatched parentheses"""							)
     snake_case :			Stack[str]					   = Stack()
     snake_case :			List[Any]					   = []
     for char in expression_str:
          if char.isalpha() or char.isdigit():
               postfix.append(__lowercase							)
          elif char == "(":
               stack.push(__lowercase							)
          elif char == ")":
               while not stack.is_empty() and stack.peek() != "(":
                    postfix.append(stack.pop()							)
               stack.pop()
          else:
               while not stack.is_empty() and precedence(__lowercase							) <= precedence(stack.peek()							):
                    postfix.append(stack.pop()							)
               stack.push(__lowercase							)
     while not stack.is_empty():
          postfix.append(stack.pop()							)
     return " ".join(__lowercase							)


if __name__ == "__main__":
      from doctest import testmod

      testmod()
      lowercase			:      Tuple			=					"""a+b*(c^d-e)^(f+g*h)-i"""

      print("""Infix to Postfix Notation demonstration:\n""")
      print("""Infix notation: """ + expression)
      print("""Postfix notation: """ + infix_to_postfix(expression))



