Merge branch 'master' into fix-gaussian_elimination_pivoting

Author: MaximSmolskiy

.pre-commit-config.yaml

@@ -16,20 +16,20 @@ repos:
       - id: auto-walrus
 
   - repo: https://github.com/astral-sh/ruff-pre-commit
-    rev: v0.4.2
+    rev: v0.5.7
     hooks:
       - id: ruff
       - id: ruff-format
 
   - repo: https://github.com/codespell-project/codespell
-    rev: v2.2.6
+    rev: v2.3.0
     hooks:
       - id: codespell
         additional_dependencies:
           - tomli
 
   - repo: https://github.com/tox-dev/pyproject-fmt
-    rev: "1.8.0"
+    rev: "2.2.1"
     hooks:
       - id: pyproject-fmt
 
@@ -42,15 +42,16 @@ repos:
         pass_filenames: false
 
   - repo: https://github.com/abravalheri/validate-pyproject
-    rev: v0.16
+    rev: v0.18
     hooks:
       - id: validate-pyproject
 
   - repo: https://github.com/pre-commit/mirrors-mypy
-    rev: v1.10.0
+    rev: v1.11.1
     hooks:
       - id: mypy
         args:
+          - --explicit-package-bases
           - --ignore-missing-imports
           - --install-types # See mirrors-mypy README.md
           - --non-interactive

DIRECTORY.md

@@ -540,8 +540,7 @@
   * [Lu Decomposition](linear_algebra/lu_decomposition.py)
   * Src
     * [Conjugate Gradient](linear_algebra/src/conjugate_gradient.py)
-    * Gaussian Elimination Pivoting
-      * [Gaussian Elimination Pivoting](linear_algebra/src/gaussian_elimination_pivoting/gaussian_elimination_pivoting.py)
+    * [Gaussian Elimination Pivoting](linear_algebra/src/gaussian_elimination_pivoting.py)
     * [Lib](linear_algebra/src/lib.py)
     * [Polynom For Points](linear_algebra/src/polynom_for_points.py)
     * [Power Iteration](linear_algebra/src/power_iteration.py)
@@ -661,7 +660,6 @@
   * [Manhattan Distance](maths/manhattan_distance.py)
   * [Matrix Exponentiation](maths/matrix_exponentiation.py)
   * [Max Sum Sliding Window](maths/max_sum_sliding_window.py)
-  * [Median Of Two Arrays](maths/median_of_two_arrays.py)
   * [Minkowski Distance](maths/minkowski_distance.py)
   * [Mobius Function](maths/mobius_function.py)
   * [Modular Division](maths/modular_division.py)
@@ -864,6 +862,7 @@
   * [Newtons Second Law Of Motion](physics/newtons_second_law_of_motion.py)
   * [Photoelectric Effect](physics/photoelectric_effect.py)
   * [Potential Energy](physics/potential_energy.py)
+  * [Rainfall Intensity](physics/rainfall_intensity.py)
   * [Reynolds Number](physics/reynolds_number.py)
   * [Rms Speed Of Molecule](physics/rms_speed_of_molecule.py)
   * [Shear Stress](physics/shear_stress.py)
@@ -1260,6 +1259,7 @@
   * [Can String Be Rearranged As Palindrome](strings/can_string_be_rearranged_as_palindrome.py)
   * [Capitalize](strings/capitalize.py)
   * [Check Anagrams](strings/check_anagrams.py)
+  * [Count Vowels](strings/count_vowels.py)
   * [Credit Card Validator](strings/credit_card_validator.py)
   * [Damerau Levenshtein Distance](strings/damerau_levenshtein_distance.py)
   * [Detecting English Programmatically](strings/detecting_english_programmatically.py)

audio_filters/show_response.py

@@ -1,5 +1,6 @@
 from __future__ import annotations
 
+from abc import abstractmethod
 from math import pi
 from typing import Protocol
 
@@ -8,14 +9,14 @@
 
 
 class FilterType(Protocol):
+    @abstractmethod
     def process(self, sample: float) -> float:
         """
         Calculate y[n]
 
         >>> issubclass(FilterType, Protocol)
         True
         """
-        return 0.0
 
 
 def get_bounds(

backtracking/all_permutations.py

@@ -23,6 +23,42 @@ def create_state_space_tree(
     Creates a state space tree to iterate through each branch using DFS.
     We know that each state has exactly len(sequence) - index children.
     It terminates when it reaches the end of the given sequence.
+
+    :param sequence: The input sequence for which permutations are generated.
+    :param current_sequence: The current permutation being built.
+    :param index: The current index in the sequence.
+    :param index_used: list to track which elements are used in permutation.
+
+    Example 1:
+    >>> sequence = [1, 2, 3]
+    >>> current_sequence = []
+    >>> index_used = [False, False, False]
+    >>> create_state_space_tree(sequence, current_sequence, 0, index_used)
+    [1, 2, 3]
+    [1, 3, 2]
+    [2, 1, 3]
+    [2, 3, 1]
+    [3, 1, 2]
+    [3, 2, 1]
+
+    Example 2:
+    >>> sequence = ["A", "B", "C"]
+    >>> current_sequence = []
+    >>> index_used = [False, False, False]
+    >>> create_state_space_tree(sequence, current_sequence, 0, index_used)
+    ['A', 'B', 'C']
+    ['A', 'C', 'B']
+    ['B', 'A', 'C']
+    ['B', 'C', 'A']
+    ['C', 'A', 'B']
+    ['C', 'B', 'A']
+
+    Example 3:
+    >>> sequence = [1]
+    >>> current_sequence = []
+    >>> index_used = [False]
+    >>> create_state_space_tree(sequence, current_sequence, 0, index_used)
+    [1]
     """
 
     if index == len(sequence):

backtracking/all_subsequences.py

@@ -22,6 +22,56 @@ def create_state_space_tree(
     Creates a state space tree to iterate through each branch using DFS.
     We know that each state has exactly two children.
     It terminates when it reaches the end of the given sequence.
+
+    :param sequence: The input sequence for which subsequences are generated.
+    :param current_subsequence: The current subsequence being built.
+    :param index: The current index in the sequence.
+
+    Example:
+    >>> sequence = [3, 2, 1]
+    >>> current_subsequence = []
+    >>> create_state_space_tree(sequence, current_subsequence, 0)
+    []
+    [1]
+    [2]
+    [2, 1]
+    [3]
+    [3, 1]
+    [3, 2]
+    [3, 2, 1]
+
+    >>> sequence = ["A", "B"]
+    >>> current_subsequence = []
+    >>> create_state_space_tree(sequence, current_subsequence, 0)
+    []
+    ['B']
+    ['A']
+    ['A', 'B']
+
+    >>> sequence = []
+    >>> current_subsequence = []
+    >>> create_state_space_tree(sequence, current_subsequence, 0)
+    []
+
+    >>> sequence = [1, 2, 3, 4]
+    >>> current_subsequence = []
+    >>> create_state_space_tree(sequence, current_subsequence, 0)
+    []
+    [4]
+    [3]
+    [3, 4]
+    [2]
+    [2, 4]
+    [2, 3]
+    [2, 3, 4]
+    [1]
+    [1, 4]
+    [1, 3]
+    [1, 3, 4]
+    [1, 2]
+    [1, 2, 4]
+    [1, 2, 3]
+    [1, 2, 3, 4]
     """
 
     if index == len(sequence):
@@ -35,7 +85,7 @@ def create_state_space_tree(
 
 
 if __name__ == "__main__":
-    seq: list[Any] = [3, 1, 2, 4]
+    seq: list[Any] = [1, 2, 3]
     generate_all_subsequences(seq)
 
     seq.clear()

backtracking/knight_tour.py

@@ -24,10 +24,10 @@ def get_valid_pos(position: tuple[int, int], n: int) -> list[tuple[int, int]]:
     ]
     permissible_positions = []
 
-    for position in positions:
-        y_test, x_test = position
+    for inner_position in positions:
+        y_test, x_test = inner_position
         if 0 <= y_test < n and 0 <= x_test < n:
-            permissible_positions.append(position)
+            permissible_positions.append(inner_position)
 
     return permissible_positions
 

bit_manipulation/binary_and_operator.py

@@ -26,7 +26,7 @@ def binary_and(a: int, b: int) -> str:
     >>> binary_and(0, 1.1)
     Traceback (most recent call last):
         ...
-    TypeError: 'float' object cannot be interpreted as an integer
+    ValueError: Unknown format code 'b' for object of type 'float'
     >>> binary_and("0", "1")
     Traceback (most recent call last):
         ...
@@ -35,8 +35,8 @@ def binary_and(a: int, b: int) -> str:
     if a < 0 or b < 0:
         raise ValueError("the value of both inputs must be positive")
 
-    a_binary = str(bin(a))[2:]  # remove the leading "0b"
-    b_binary = str(bin(b))[2:]  # remove the leading "0b"
+    a_binary = format(a, "b")
+    b_binary = format(b, "b")
 
     max_len = max(len(a_binary), len(b_binary))
 

computer_vision/haralick_descriptors.py

@@ -141,7 +141,7 @@ def transform(
 
     center_x, center_y = (x // 2 for x in kernel.shape)
 
-    # Use padded image when applying convolotion
+    # Use padded image when applying convolution
     # to not go out of bounds of the original the image
     transformed = np.zeros(image.shape, dtype=np.uint8)
     padded = np.pad(image, 1, "constant", constant_values=constant)

conversions/weight_conversion.py

@@ -297,6 +297,12 @@ def weight_conversion(from_type: str, to_type: str, value: float) -> float:
     1.660540199e-23
     >>> weight_conversion("atomic-mass-unit","atomic-mass-unit",2)
     1.999999998903455
+    >>> weight_conversion("slug", "kilogram", 1)
+    Traceback (most recent call last):
+    ...
+    ValueError: Invalid 'from_type' or 'to_type' value: 'slug', 'kilogram'
+    Supported values are: kilogram, gram, milligram, metric-ton, long-ton, short-ton, \
+pound, stone, ounce, carrat, atomic-mass-unit
     """
     if to_type not in KILOGRAM_CHART or from_type not in WEIGHT_TYPE_CHART:
         msg = (

data_structures/binary_tree/is_sorted.py

@@ -80,9 +80,9 @@ def is_sorted(self) -> bool:
         """
         if self.left and (self.data < self.left.data or not self.left.is_sorted):
             return False
-        if self.right and (self.data > self.right.data or not self.right.is_sorted):
-            return False
-        return True
+        return not (
+            self.right and (self.data > self.right.data or not self.right.is_sorted)
+        )
 
 
 if __name__ == "__main__":