

from __future__ import annotations

_snake_case	=						[-10, -5, 0, 5, 5.1, 11, 13, 21, 3, 4, -21, -10, -5, -1, 0]
_snake_case	=						[-5, 0, 5, 5.1, 11, 13, 21, -1, 4, -1, -10, -5, -1, 0, -1]






def        A       (      _lowerCamelCase						):





							'''simple docstring'''




							_lowerCAmelCase  :							Union[str, Any]				     =					[]
							_lowerCAmelCase  :							Tuple				     =					len(_lowerCamelCase						)

							for i in range(_lowerCamelCase						):
														_lowerCAmelCase  :							float				     =					-1
														for j in range(i + 1       ,				_lowerCamelCase						):
																					if arr[i] < arr[j]:
																												_lowerCAmelCase  :							Union[str, Any]				     =					arr[j]
																												break
														result.append(_lowerCamelCase						)
							return result






def        A       (      _lowerCamelCase						):





							'''simple docstring'''




							_lowerCAmelCase  :							List[str]				     =					[]
							for i, outer in enumerate(_lowerCamelCase						):
														_lowerCAmelCase  :							float				     =					-1
														for inner in arr[i + 1 :]:
																					if outer < inner:
																												_lowerCAmelCase  :							str				     =					inner
																												break
														result.append(_lowerCamelCase						)
							return result






def        A       (      _lowerCamelCase						):





							'''simple docstring'''




							_lowerCAmelCase  :							List[str]				     =					len(_lowerCamelCase						)
							_lowerCAmelCase  :							list[float]				     =					[]
							_lowerCAmelCase  :							list[float]				     =					[-1] * arr_size

							for index in reversed(range(_lowerCamelCase						)						):
														if stack:
																					while stack[-1] <= arr[index]:
																												stack.pop()
																												if not stack:
																																			break
														if stack:
																					_lowerCAmelCase  :							List[str]				     =					stack[-1]
														stack.append(arr[index]						)
							return result


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

						testmod()
						print(next_greatest_element_slow(arr))
						print(next_greatest_element_fast(arr))
						print(next_greatest_element(arr))

						_snake_case	=						(
						    "from __main__ import arr, next_greatest_element_slow, "
						    "next_greatest_element_fast, next_greatest_element"
						)
						print(
						    "next_greatest_element_slow():",
						    timeit("next_greatest_element_slow(arr)", setup=setup),
						)
						print(
						    "next_greatest_element_fast():",
						    timeit("next_greatest_element_fast(arr)", setup=setup),
						)
						print(
						    "     next_greatest_element():",
						    timeit("next_greatest_element(arr)", setup=setup),
						)





import numpy as np
from cva import COLOR_BGR2GRAY, CV_8UC3, cvtColor, filteraD, imread, imshow, waitKey






def        A       (      _lowerCamelCase       ,				_lowerCamelCase       ,				_lowerCamelCase       ,				_lowerCamelCase       ,				_lowerCamelCase       ,				_lowerCamelCase						):





							'''simple docstring'''




							if (ksize % 2) == 0:
														_lowerCAmelCase  :							str				     =					ksize + 1
							_lowerCAmelCase  :							List[str]				     =					np.zeros((ksize, ksize)       ,				dtype=np.floataa						)

							# each value
							for y in range(_lowerCamelCase						):
														for x in range(_lowerCamelCase						):
																					# distance from center
																					_lowerCAmelCase  :							int				     =					x - ksize // 2
																					_lowerCAmelCase  :							Dict				     =					y - ksize // 2

																					# degree to radiant
																					_lowerCAmelCase  :							List[Any]				     =					theta / 180 * np.pi
																					_lowerCAmelCase  :							int				     =					np.cos(_theta						)
																					_lowerCAmelCase  :							Optional[int]				     =					np.sin(_theta						)

																					# get kernel x
																					_lowerCAmelCase  :							int				     =					cos_theta * px + sin_theta * py

																					# get kernel y
																					_lowerCAmelCase  :							str				     =					-sin_theta * px + cos_theta * py

																					# fill kernel
																					_lowerCAmelCase  :							Union[str, Any]				     =					np.exp(
																					    -(_x**2 + gamma**2 * _y**2) / (2 * sigma**2)						) * np.cos(2 * np.pi * _x / lambd + psi						)

							return gabor


if __name__ == "__main__":
						import doctest

						doctest.testmod()
						# read original image
						_snake_case	=						imread("../image_data/lena.jpg")
						# turn image in gray scale value
						_snake_case	=						cvtColor(img, COLOR_BGR2GRAY)

						# Apply multiple Kernel to detect edges
						_snake_case	=						np.zeros(gray.shape[:2])
						for theta in [0, 30, 60, 90, 120, 150]:
												_snake_case	=						gabor_filter_kernel(10, 8, theta, 10, 0, 0)
												out += filteraD(gray, CV_8UC3, kernel_aa)
						_snake_case	=						out / out.max() * 255
						_snake_case	=						out.astype(np.uinta)

						imshow("Original", gray)
						imshow("Gabor filter with 20x20 mask and 6 directions", out)

						waitKey(0)
