From d2815e404578d8eb5bb063ff368e0806a684e2b1 Mon Sep 17 00:00:00 2001
From: Milos Kozak <m.kozak@sysop.cz>
Date: Mon, 18 Sep 2017 21:52:06 +0200
Subject: [PATCH] check for NaN

---
 .../SensitivityWeightedAveragePlugin.java                     | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/app/src/main/java/info/nightscout/androidaps/plugins/SensitivityWeightedAverage/SensitivityWeightedAveragePlugin.java b/app/src/main/java/info/nightscout/androidaps/plugins/SensitivityWeightedAverage/SensitivityWeightedAveragePlugin.java
index b957e21bda..a10905dbc1 100644
--- a/app/src/main/java/info/nightscout/androidaps/plugins/SensitivityWeightedAverage/SensitivityWeightedAveragePlugin.java
+++ b/app/src/main/java/info/nightscout/androidaps/plugins/SensitivityWeightedAverage/SensitivityWeightedAveragePlugin.java
@@ -172,6 +172,10 @@ public class SensitivityWeightedAveragePlugin implements PluginBase, Sensitivity
             weightedsum += weight * value;
         }
 
+        if (weights == 0) {
+            return new AutosensResult();
+        }
+
         Profile profile = MainApp.getConfigBuilder().getProfile();
 
         double sens = profile.getIsf();