From bd26661ec37ca93a15c9f1903d55205f4406f54f Mon Sep 17 00:00:00 2001
From: Maximilian Reininghaus <maximilian.reininghaus@tu-dortmund.de>
Date: Sat, 23 Feb 2019 01:03:03 +0100
Subject: [PATCH] avoid copy
---
Processes/Sibyll/Interaction.cc | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/Processes/Sibyll/Interaction.cc b/Processes/Sibyll/Interaction.cc
index 06d301e3a..b16d48332 100644
--- a/Processes/Sibyll/Interaction.cc
+++ b/Processes/Sibyll/Interaction.cc
@@ -171,7 +171,7 @@ namespace corsika::process::sibyll {
int i = -1;
si::CrossSectionType weightedProdCrossSection = 0_mbarn;
// get weights of components from environment/medium
- const auto w = mediumComposition.GetFractions();
+ const auto& w = mediumComposition.GetFractions();
// loop over components in medium
for (auto const targetId : mediumComposition.GetComponents()) {
i++;
--
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