From 52c4f074d4d76d376c6733e8fa229f5214d15ea2 Mon Sep 17 00:00:00 2001
From: webbrain-one <295484252+webbrain-one@users.noreply.github.com>
Date: Mon, 3 Aug 2026 03:28:34 +0300
Subject: [PATCH] Fix selection sort to minimize fitness

The selection logic was incorrectly treating the optimization as a
maximization task. Updated the sort comparison to properly prioritize
individuals with the lowest fitness values.
---
 src/main/java/net.furculita/ga/MultiTaskingGA.java | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/main/java/net.furculita/ga/MultiTaskingGA.java b/src/main/java/net.furculita/ga/MultiTaskingGA.java
index 3b3a01c..5ec4b61 100755
--- a/src/main/java/net.furculita/ga/MultiTaskingGA.java
+++ b/src/main/java/net.furculita/ga/MultiTaskingGA.java
@@ -199,7 +199,7 @@ private void selection() {
         population.getIndividuals().sort((i1, i2) -> {
             Double di1 = i1.getScalarFitness();
             Double di2 = i2.getScalarFitness();
-            return di1.compareTo(di2);
+            return di2.compareTo(di1);
         });
 
         ArrayList<Individual> newIndividuals = new ArrayList<>();