From: Bill Kuker <bkuker@billkuker.com>
Date: Sat, 18 Apr 2009 18:18:02 +0000 (+0000)
Subject: Fixed an edge case null pointer on a 0 thrust motor
X-Git-Url: https://git.gag.com/?a=commitdiff_plain;h=c5cf817cc439073c3b48fa2201252a1e423906b4;p=sw%2Fmotorsim

Fixed an edge case null pointer on a 0 thrust motor
---

diff --git a/src/com/billkuker/rocketry/motorsim/visual/BurnPanel.java b/src/com/billkuker/rocketry/motorsim/visual/BurnPanel.java
index 75a3b78..948d9db 100644
--- a/src/com/billkuker/rocketry/motorsim/visual/BurnPanel.java
+++ b/src/com/billkuker/rocketry/motorsim/visual/BurnPanel.java
@@ -108,7 +108,8 @@ public class BurnPanel extends JPanel {
 					if ( i.chamberPressure.isGreaterThan(maxPressure))
 						maxPressure = i.chamberPressure;
 				}
-				averageThrust = averageThrust.divide(thrustCount);
+				if ( thrustCount > 0)
+					averageThrust = averageThrust.divide(thrustCount);
 
 				int cn = (int)(Math.log(ns.doubleValue(RocketScience.NEWTON_SECOND)/1.25) / Math.log(2));
 				char cl = (char)((int)'A' + cn);