From: Curtis L. Olson <curtolson@gmail.com>
Date: Mon, 20 Dec 2010 18:20:57 +0000 (-0600)
Subject: Add a small bit of nan/fpe protection.  It's possible that this routine
X-Git-Url: https://git.mxchange.org/?a=commitdiff_plain;h=f8015bf54f5439a9fa70661ac31a10ef8c81f58f;p=flightgear.git

Add a small bit of nan/fpe protection.  It's possible that this routine
could be called with a zero dt which would then lead to a divide by zero
error if we ran through all the computations.
---

diff --git a/src/AIModel/AIShip.cxx b/src/AIModel/AIShip.cxx
index 9eecd6c97..9b6a04705 100644
--- a/src/AIModel/AIShip.cxx
+++ b/src/AIModel/AIShip.cxx
@@ -620,6 +620,10 @@ double FGAIShip::getCourse(double lat, double lon, double lat2, double lon2) con
 
 void FGAIShip::ProcessFlightPlan(double dt) {
 
+    if ( dt < 0.00001 ) {
+	return;
+    }
+
     double time_sec = getDaySeconds();
 
     _dt_count += dt;