From d9efea269a30eb63a73db7df0dc43836aae7b87c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Vladim=C3=ADr=20Vondru=C5=A1?= <mosra@centrum.cz>
Date: Wed, 2 Feb 2022 11:28:00 +0100
Subject: [PATCH] Math: no need to pass scalars via a const&.

---
 src/Magnum/Math/Functions.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Magnum/Math/Functions.h b/src/Magnum/Math/Functions.h
index e421001d6..ddfda2209 100644
--- a/src/Magnum/Math/Functions.h
+++ b/src/Magnum/Math/Functions.h
@@ -389,7 +389,7 @@ template<std::size_t size, class T> inline Vector<size, T> clamp(const Vector<si
 
 Returns `1` if @p x > 0, `0` if @p x = 0 and `-1` if @p x < 0.
 */
-template<class T> inline typename std::enable_if<IsScalar<T>::value, T>::type sign(const T& scalar) {
+template<class T> inline typename std::enable_if<IsScalar<T>::value, T>::type sign(T scalar) {
     if(scalar > T(0)) return T(1);
     if(scalar < T(0)) return T(-1);
     return T(0);