From a542ebc85143aa718a10b2dfd1838d02d93bf518 Mon Sep 17 00:00:00 2001
From: tosh <tosh@monster.hlan>
Date: Wed, 3 Jul 2013 14:01:09 +0200
Subject: [PATCH] bandwidth meter - avoid division by zero

---
 interface/src/BandwidthMeter.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/interface/src/BandwidthMeter.cpp b/interface/src/BandwidthMeter.cpp
index 84d92a3020..5e0d63d6c5 100644
--- a/interface/src/BandwidthMeter.cpp
+++ b/interface/src/BandwidthMeter.cpp
@@ -68,6 +68,12 @@ void BandwidthMeter::Stream::updateValue(double amount) {
     timeval now;
     gettimeofday(& now, NULL);
     double dt = diffclock(& _prevTime, & now);
+
+    // Ignore this value when timer imprecision yields dt = 0
+    if (dt == 0.0) {
+        return;
+    }
+
     memcpy(& _prevTime, & now, sizeof(timeval));
 
     // Compute approximate average