From 373d756406a67c2124960962aa37c2456cd76a7b Mon Sep 17 00:00:00 2001
From: Nikos Karastathis <n.karastathis@kit.edu>
Date: Fri, 12 Mar 2021 23:12:41 +0100
Subject: [PATCH] fixed -= reference

---
 corsika/framework/geometry/QuantityVector.hpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/corsika/framework/geometry/QuantityVector.hpp b/corsika/framework/geometry/QuantityVector.hpp
index 57d09c29e..2c951a52b 100644
--- a/corsika/framework/geometry/QuantityVector.hpp
+++ b/corsika/framework/geometry/QuantityVector.hpp
@@ -87,7 +87,7 @@ namespace corsika {
 
     auto operator+=(QuantityVector<TDimension> const& pQVec);
 
-    auto& operator-=(QuantityVector<TDimension> const& pQVec);
+    auto operator-=(QuantityVector<TDimension> const& pQVec);
 
     auto operator-() const;
 
-- 
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