From 88f09d23de66385264b5414f717b4c056a5308ec Mon Sep 17 00:00:00 2001
From: Dominic Kempf <dominic.kempf@iwr.uni-heidelberg.de>
Date: Fri, 15 Jan 2021 18:36:25 +0100
Subject: [PATCH] Store fibre intersection information by reference

---
 dune/fiber-elasticity/eulerbernoulli.hh | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/dune/fiber-elasticity/eulerbernoulli.hh b/dune/fiber-elasticity/eulerbernoulli.hh
index 8be2065..c9cd2dd 100644
--- a/dune/fiber-elasticity/eulerbernoulli.hh
+++ b/dune/fiber-elasticity/eulerbernoulli.hh
@@ -159,7 +159,7 @@ class EulerBernoulli2DLocalOperator
     for (std::size_t fibindex=0; fibindex<fibre_parametrizations.size(); ++fibindex)
     {
       // Check whether this fiber actually intersects the cell
-      auto fibintersection = fibre_intersections[fibindex];
+      auto& fibintersection = fibre_intersections[fibindex];
       auto it = fibintersection.element_fibre_intersections.find(is.index(entity));
       if (it == fibintersection.element_fibre_intersections.end())
         continue;
@@ -282,7 +282,7 @@ class EulerBernoulli2DLocalOperator
       bool flipped = false;
 
       // Check whether this fiber actually intersects the cell
-      auto fibintersection = fibre_intersections[fibindex];
+      auto& fibintersection = fibre_intersections[fibindex];
       auto it = fibintersection.facet_fibre_intersections.find(std::make_pair(is.index(ig.inside()), is.index(ig.outside())));
       if (it == fibintersection.facet_fibre_intersections.end())
       {
-- 
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