"""simple docstring"""
import numpy as np



class   lowerCAmelCase_    :



    """simple docstring"""

    def __init__(				self    ):






          """simple docstring"""

          snake_case								=			(0, 0)
          snake_case								=			None
          snake_case								=			0
          snake_case								=			0
          snake_case								=			0

    def __eq__(				self		,    lowerCAmelCase    ):






          """simple docstring"""

          return self.position == cell.position

    def 		snake_case (				self    ):






          """simple docstring"""

          print(self.position    )





class   lowerCAmelCase_    :



    """simple docstring"""

    def __init__(				self		,    lowerCAmelCase=(5, 5)    ):






          """simple docstring"""

          snake_case								=			np.zeros(lowerCAmelCase    )
          snake_case								=			world_size[0]
          snake_case								=			world_size[1]

    def 		snake_case (				self    ):






          """simple docstring"""

          print(self.w    )

    def 		snake_case (				self		,    lowerCAmelCase    ):






          """simple docstring"""

          snake_case								=			[
              (-1, -1),
              (-1, 0),
              (-1, 1),
              (0, -1),
              (0, 1),
              (1, -1),
              (1, 0),
              (1, 1),
          ]
          snake_case								=			cell.position[0]
          snake_case								=			cell.position[1]
          snake_case								=			[]
          for n in neughbour_cord:
                snake_case								=			current_x + n[0]
                snake_case								=			current_y + n[1]
                if 0 <= x < self.world_x_limit and 0 <= y < self.world_y_limit:
                      snake_case								=			Cell()
                      snake_case								=			(x, y)
                      snake_case								=			cell
                      neighbours.append(lowerCAmelCase    )
          return neighbours





def    lowerCAmelCase__    (			_UpperCamelCase       :				List[str] ,			_UpperCamelCase       :				str ,			_UpperCamelCase       :				List[str]					)					->				List[Any]:





      """simple docstring"""






      snake_case								=			[]
      snake_case								=			[]
      _open.append(_UpperCamelCase					)

      while _open:
            snake_case								=			np.argmin([n.f for n in _open]					)
            snake_case								=			_open[min_f]
            _closed.append(_open.pop(_UpperCamelCase					)					)
            if current == goal:
                  break
            for n in world.get_neigbours(_UpperCamelCase					):
                  for c in _closed:
                        if c == n:
                              continue
                  snake_case								=			current.g + 1
                  snake_case					,snake_case								=			n.position
                  snake_case					,snake_case								=			goal.position
                  snake_case								=			(ya - ya) ** 2 + (xa - xa) ** 2
                  snake_case								=			n.h + n.g

                  for c in _open:
                        if c == n and c.f < n.f:
                              continue
                  _open.append(_UpperCamelCase					)
      snake_case								=			[]
      while current.parent is not None:
            path.append(current.position					)
            snake_case								=			current.parent
      path.append(current.position					)
      return path[::-1]


if __name__ == "__main__":
     SCREAMING_SNAKE_CASE__      						=  Gridworld()
     # Start position and goal
     SCREAMING_SNAKE_CASE__      						=  Cell()
     SCREAMING_SNAKE_CASE__      						=  (0, 0)
     SCREAMING_SNAKE_CASE__      						=  Cell()
     SCREAMING_SNAKE_CASE__      						=  (4, 4)
     print(f"""path from {start.position} to {goal.position}""")
     SCREAMING_SNAKE_CASE__      						=  astar(world, start, goal)
     #   Just for visual reasons.
     for i in s:
          SCREAMING_SNAKE_CASE__      						=  1
     print(world.w)



"""simple docstring"""
import math





def    lowerCAmelCase__    (			_UpperCamelCase       :				float ,			_UpperCamelCase       :				float					)					->				float:





						"""simple docstring"""






						if initial_intensity < 0:
												raise ValueError('The value of intensity cannot be negative'					)
												# handling of negative values of initial intensity
						if angle < 0 or angle > 3_6_0:
												raise ValueError('In Malus Law, the angle is in the range 0-360 degrees'					)
												# handling of values out of allowed range
						return initial_intensity * (math.cos(math.radians(_UpperCamelCase					)					) ** 2)


if __name__ == "__main__":
					import doctest

					doctest.testmod(name="malus_law")


