From d514ec5bc32402905b73660e551d2c3f6890ab3b Mon Sep 17 00:00:00 2001
From: Pitchaya Boonsarngsuk <2285135b@student.gla.ac.uk>
Date: Wed, 24 Jan 2018 11:19:28 +0000
Subject: [PATCH] Fix Math mistake in stress calculation

---
 src/stress.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/stress.js b/src/stress.js
index de20514..40e42a5 100644
--- a/src/stress.js
+++ b/src/stress.js
@@ -12,8 +12,8 @@ export function getStress(nodes, distance) {
       let lowDDist = Math.hypot(target.x - source.x, target.y - source.y);
       let highDDist = distance(source, target);
       totalDiffSq += Math.pow(highDDist - lowDDist, 2);
-      totalHighDistSq += highDDist * highDDist;
+      totalLowDDistSq += lowDDist * lowDDist;
     }
   }
-  return Math.sqrt(totalDiffSq / totalHighDistSq);
+  return Math.sqrt(totalDiffSq / totalLowDDistSq);
 }