From 4fa4f306c7c584bb50091793acc9a942a002c4a1 Mon Sep 17 00:00:00 2001
From: Krzysztof Rudnicki <krzysztofrudnicki0@gmail.com>
Date: Mon, 9 Dec 2024 22:38:15 +0100
Subject: [PATCH] hotfix: replaced vector norm calculations wiith cmath squrt
 function

---
 code/linear_algebra_utils.py | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/code/linear_algebra_utils.py b/code/linear_algebra_utils.py
index ced277e4..a8739a5d 100644
--- a/code/linear_algebra_utils.py
+++ b/code/linear_algebra_utils.py
@@ -1,3 +1,4 @@
+import cmath
 import math
 import itertools
 import operator
@@ -72,7 +73,9 @@ class SequentialLinearAlgebraUtils(ABC):
     
     @staticmethod
     def vector_norm(v):
-        return math.sqrt(sum(x*x for x in v))
+        x_values = (x*x for x in v)
+        x_values_sum = sum(x_values)
+        return cmath.sqrt(x_values_sum).real
 
     @staticmethod
     def vector_scalar_divide(x, scalar):