From 2b58ab040295fbbf2e463ba8cd77ad935d942968 Mon Sep 17 00:00:00 2001
From: Andrwaa <165920381+Andrwaa@users.noreply.github.com>
Date: Sat, 28 Dec 2024 12:17:48 +0100
Subject: [PATCH] compare-method added to Vector class in lib.py (#12448)

* compare-method added to Vector class in lib.py

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

* Updated lib.py with suggestions

* Updated lib.py with suggestions

* Updated lib.py with __eq__ method

---------

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
---
 linear_algebra/src/lib.py | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/linear_algebra/src/lib.py b/linear_algebra/src/lib.py
index 5af6c62e3ad4..0d6a348475cd 100644
--- a/linear_algebra/src/lib.py
+++ b/linear_algebra/src/lib.py
@@ -46,7 +46,6 @@ class Vector:
         change_component(pos: int, value: float): changes specified component
         euclidean_length(): returns the euclidean length of the vector
         angle(other: Vector, deg: bool): returns the angle between two vectors
-        TODO: compare-operator
     """
 
     def __init__(self, components: Collection[float] | None = None) -> None:
@@ -96,6 +95,16 @@ def __sub__(self, other: Vector) -> Vector:
         else:  # error case
             raise Exception("must have the same size")
 
+    def __eq__(self, other: object) -> bool:
+        """
+        performs the comparison between two vectors
+        """
+        if not isinstance(other, Vector):
+            return NotImplemented
+        if len(self) != len(other):
+            return False
+        return all(self.component(i) == other.component(i) for i in range(len(self)))
+
     @overload
     def __mul__(self, other: float) -> Vector: ...