From 694c250b3ef33c490be7042e843ba4688f88ebf4 Mon Sep 17 00:00:00 2001
From: Filip Leonarski <filip.leonarski@psi.ch>
Date: Wed, 15 Apr 2026 11:17:19 +0200
Subject: [PATCH] MovingAverage: nelems of zero is not allowed

---
 common/MovingAverage.cpp | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/common/MovingAverage.cpp b/common/MovingAverage.cpp
index 3ab60805..70c2cd5c 100644
--- a/common/MovingAverage.cpp
+++ b/common/MovingAverage.cpp
@@ -4,7 +4,13 @@
 #include <cmath>
 #include "MovingAverage.h"
 
-MovingAverage::MovingAverage(size_t elems) : elems(elems) {}
+#include "JFJochException.h"
+
+MovingAverage::MovingAverage(size_t elems) : elems(elems) {
+    if (elems == 0)
+        throw JFJochException(JFJochExceptionCategory::InputParameterInvalid, "Moving average size must be positive");
+
+}
 
 void MovingAverage::Add(float val) {
     std::unique_lock ul(m);