changed sorting algorithm in simulator from quicksort to mergesort

Author: positr0nium

setup.cfg

@@ -1,6 +1,6 @@
 [metadata]
 name = qrisp
-version = 0.4.1
+version = 0.4.2
 author = Raphael Seidel
 author_email = raphael.seidel@fokus.fraunhofer.de
 description = A high-level quantum programming language

src/qrisp/simulator/bi_array_helper.py

@@ -356,7 +356,7 @@ def sort_indices_jitted(row, col, data, shape_1):
     shifted_row = row << (int(np.log2(shape_1))+1)
     sorting_array = shifted_row ^ col
 
-    array_sort = np.argsort(sorting_array)
+    array_sort = np.argsort(sorting_array, kind = "mergesort")
 
     new_row = row[array_sort]
     new_col = col[array_sort]