From f86393b0fa9601a89e499b32761770b64e43573e Mon Sep 17 00:00:00 2001
From: Andrey Prokopenko <prokopenkoav@ornl.gov>
Date: Thu, 10 Oct 2024 11:35:12 -0400
Subject: [PATCH] Use referenes to return centroids for Point and Sphere

---
 src/geometry/algorithms/ArborX_Centroid.hpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/geometry/algorithms/ArborX_Centroid.hpp b/src/geometry/algorithms/ArborX_Centroid.hpp
index 3daa73211..6279c4521 100644
--- a/src/geometry/algorithms/ArborX_Centroid.hpp
+++ b/src/geometry/algorithms/ArborX_Centroid.hpp
@@ -40,7 +40,7 @@ using namespace GeometryTraits;
 template <typename Point>
 struct centroid<PointTag, Point>
 {
-  KOKKOS_FUNCTION static constexpr auto apply(Point const &point)
+  KOKKOS_FUNCTION static constexpr auto &apply(Point const &point)
   {
     return point;
   }
@@ -62,7 +62,7 @@ struct centroid<BoxTag, Box>
 template <typename Sphere>
 struct centroid<SphereTag, Sphere>
 {
-  KOKKOS_FUNCTION static constexpr auto apply(Sphere const &sphere)
+  KOKKOS_FUNCTION static constexpr decltype(auto) apply(Sphere const &sphere)
   {
     return sphere.centroid();
   }