"""simple docstring"""






import cva
import numpy as np


class     UpperCAmelCase						:



    """simple docstring"""

    def __init__(   self    ,			_UpperCAmelCase    ,			_UpperCAmelCase							):

       if k in (0.04, 0.06):
          lowercase__:   Tuple					=      k
          lowercase__:   Tuple					=      window_size
       else:
          raise ValueError('''invalid k value'''							)






    def __str__(   self							):
       return str(self.k							)






    def _snake_case			(   self    ,			_UpperCAmelCase							):
       lowercase__:   List[str]					=      cva.imread(_UpperCAmelCase    ,			0							)
       lowercase__, lowercase__:   List[str]					=      img.shape
       lowercase__:   list[list[int]]					=      []
       lowercase__:   Union[str, Any]					=      img.copy()
       lowercase__:   List[str]					=      cva.cvtColor(_UpperCAmelCase    ,			cva.COLOR_GRAY2RGB							)
       lowercase__, lowercase__:   List[str]					=      np.gradient(_UpperCAmelCase							)
       lowercase__:   str					=      dx**2
       lowercase__:   List[Any]					=      dy**2
       lowercase__:   List[str]					=      dx * dy
       lowercase__:   int					=      0.04
       lowercase__:   List[Any]					=      self.window_size // 2
       for y in range(_UpperCAmelCase    ,			h - offset							):
          for x in range(_UpperCAmelCase    ,			w - offset							):
             lowercase__:   int					=      ixx[
                 y - offset : y + offset + 1, x - offset : x + offset + 1
             ].sum()
             lowercase__:   int					=      iyy[
                 y - offset : y + offset + 1, x - offset : x + offset + 1
             ].sum()
             lowercase__:   str					=      ixy[
                 y - offset : y + offset + 1, x - offset : x + offset + 1
             ].sum()

             lowercase__:   List[Any]					=      (wxx * wyy) - (wxy**2)
             lowercase__:   int					=      wxx + wyy
             lowercase__:   List[str]					=      det - k * (trace**2)
             # Can change the value
             if r > 0.5:
                corner_list.append([x, y, r]							)
                color_img.itemset((y, x, 0)    ,			0							)
                color_img.itemset((y, x, 1)    ,			0							)
                color_img.itemset((y, x, 2)    ,			255							)
       return color_img, corner_list


if __name__ == "__main__":
       __A			   = HarrisCorner(0.04, 3)
       __A   ,__A			   = edge_detect.detect("path_to_image")
       cva.imwrite("detect.png", color_img)

"""simple docstring"""






from __future__ import annotations

from math import pi, sqrt



def SCREAMING_SNAKE_CASE__			(   __UpperCAmelCase       ,    __UpperCAmelCase )  ->  tuple:

   if inductance <= 0:
      raise ValueError('''Inductance cannot be 0 or negative''' )

   elif capacitance <= 0:
      raise ValueError('''Capacitance cannot be 0 or negative''' )

   else:
      return (
          "Resonant frequency",
          float(1 / (2 * pi * (sqrt(inductance * capacitance ))) ),
      )


if __name__ == "__main__":
       import doctest

       doctest.testmod()
