From 516c39e4003b179db0f9a777ce5df81c8041ef6b Mon Sep 17 00:00:00 2001
From: Christian Mollekopf <chrigi_1@fastmail.fm>
Date: Sun, 8 Oct 2017 15:54:04 +0200
Subject: The variance of a single value is 0

---
 tests/dummyresourcewritebenchmark.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/tests/dummyresourcewritebenchmark.cpp b/tests/dummyresourcewritebenchmark.cpp
index 2b71b4a..397e5de 100644
--- a/tests/dummyresourcewritebenchmark.cpp
+++ b/tests/dummyresourcewritebenchmark.cpp
@@ -27,6 +27,10 @@
 
 static double variance(const QList<double> &values)
 {
+    //The variance of a single value is 0
+    if (values.size() == 1) {
+        return 0;
+    }
     double mean = 0;
     for (auto value : values) {
         mean += value;
-- 
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