

from __future__ import annotations

from collections import deque
from enum import Enum
from math import atana, degrees
from sys import maxsize





class 			__lowerCAmelCase					( SCREAMING_SNAKE_CASE							):
  _a						      =  1
  _a						      =  2
  _a						      =  3




  def __repr__(    self )  ->			int:
        '''simple docstring'''






        return F'''{self.__class__.__name__}.{self.name}'''
def 					a				(      A__     :       tuple[int, int]				,       A__     :       int				,       A__     :       int					)   ->				float:





      """simple docstring"""



      _lowercase	,	_lowercase     	=point
      return degrees(atana(y - miny				,       x - minx					)					)
def 					a				(      A__     :       tuple[int, int]				,       A__     :       tuple[int, int]				,       A__     :       tuple[int, int]					)   ->				Direction:





      """simple docstring"""



      _lowercase	,	_lowercase     	=starting
      _lowercase	,	_lowercase     	=via
      _lowercase	,	_lowercase     	=target
      _lowercase     	=degrees(atana(ya - ya				,       xa - xa					)					)
      via_angle %= 360
      _lowercase     	=degrees(atana(ya - ya				,       xa - xa					)					)
      target_angle %= 360
      # t-
      #  \ \
      #   \ v
      #    \|
      #     s
      # via_angle is always lower than target_angle, if direction is left.
      # If they are same, it means they are on a same line of convex hull.
      if target_angle > via_angle:
            return Direction.left
      elif target_angle == via_angle:
            return Direction.straight
      else:
            return Direction.right







def 					a				(      A__     :       list[tuple[int, int]]					)   ->				list[tuple[int, int]]:





      """simple docstring"""



      if len(A__					) <= 2:
            # There is no convex hull
            raise ValueError('graham_scan: argument must contain more than 3 points.'					)
      if len(A__					) == 3:
            return points
      # find the lowest and the most left point
      _lowercase     	=0
      _lowercase	,	_lowercase     	=maxsize, maxsize
      for i, point in enumerate(A__					):
            _lowercase     	=point[0]
            _lowercase     	=point[1]
            if y < miny:
                  _lowercase     	=y
                  _lowercase     	=x
                  _lowercase     	=i
            if y == miny and x < minx:
                  _lowercase     	=x
                  _lowercase     	=i

    # remove the lowest and the most left point from points for preparing for sort
      points.pop(A__					)

      _lowercase     	=sorted(A__				,       key=lambda A__					: angle_comparer(A__				,       A__				,       A__					)					)
      # This insert actually costs complexity,
      # and you should instead add (minx, miny) into stack later.
      # I'm using insert just for easy understanding.
      sorted_points.insert(0				,       (minx, miny)					)

      _lowercase     	=deque()
      stack.append(sorted_points[0]					)
      stack.append(sorted_points[1]					)
      stack.append(sorted_points[2]					)
      # In any ways, the first 3 points line are towards left.
      # Because we sort them the angle from minx, miny.
      _lowercase     	=Direction.left

      for i in range(3				,       len(A__					)					):
            while True:
                  _lowercase     	=stack[-2]
                  _lowercase     	=stack[-1]
                  _lowercase     	=sorted_points[i]
                  _lowercase     	=check_direction(A__				,       A__				,       A__					)

                  if next_direction == Direction.left:
                        _lowercase     	=Direction.left
                        break
                  if next_direction == Direction.straight:
                        if current_direction == Direction.left:
                              # We keep current_direction as left.
                              # Because if the straight line keeps as straight,
                              # we want to know if this straight line is towards left.
                              break
                        elif current_direction == Direction.right:
                              # If the straight line is towards right,
                              # every previous points on those straigh line is not convex hull.
                              stack.pop()
                  if next_direction == Direction.right:
                        stack.pop()
            stack.append(sorted_points[i]					)
      return list(A__					)





from typing import TYPE_CHECKING

from ...utils import OptionalDependencyNotAvailable, _LazyModule, is_torch_available, is_vision_available


lowercase_     =       {
    'configuration_oneformer': ['ONEFORMER_PRETRAINED_CONFIG_ARCHIVE_MAP', 'OneFormerConfig'],
    'processing_oneformer': ['OneFormerProcessor'],
}

try:
  if not is_vision_available():
    raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
  pass
else:
  lowercase_     =       ['OneFormerImageProcessor']

try:
  if not is_torch_available():
    raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
  pass
else:
  lowercase_     =       [
      'ONEFORMER_PRETRAINED_MODEL_ARCHIVE_LIST',
      'OneFormerForUniversalSegmentation',
      'OneFormerModel',
      'OneFormerPreTrainedModel',
  ]

if TYPE_CHECKING:
  from .configuration_oneformer import ONEFORMER_PRETRAINED_CONFIG_ARCHIVE_MAP, OneFormerConfig
  from .processing_oneformer import OneFormerProcessor

  try:
    if not is_vision_available():
      raise OptionalDependencyNotAvailable()
  except OptionalDependencyNotAvailable:
    pass
  else:
    from .image_processing_oneformer import OneFormerImageProcessor
  try:
    if not is_torch_available():
      raise OptionalDependencyNotAvailable()
  except OptionalDependencyNotAvailable:
    pass
  else:
    from .modeling_oneformer import (
        ONEFORMER_PRETRAINED_MODEL_ARCHIVE_LIST,
        OneFormerForUniversalSegmentation,
        OneFormerModel,
        OneFormerPreTrainedModel,
    )


else:
  import sys

  lowercase_     =       _LazyModule(__name__, globals()['__file__'], _import_structure)


