From fd4f9baf01c684638c51badfdf47ffb32abe51a9 Mon Sep 17 00:00:00 2001
From: Fan <fan_hu@pku.edu.cn>
Date: Sat, 5 Mar 2022 14:41:48 +0800
Subject: [PATCH] add copyright

---
 examples/environment_example.cpp | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/examples/environment_example.cpp b/examples/environment_example.cpp
index 20a10101d..99ae9d866 100644
--- a/examples/environment_example.cpp
+++ b/examples/environment_example.cpp
@@ -1,3 +1,11 @@
+/*
+ * (c) Copyright 2022 CORSIKA Project, corsika-project@lists.kit.edu
+ *
+ * This software is distributed under the terms of the GNU General Public
+ * Licence version 3 (GPL Version 3). See file LICENSE for a full version of
+ * the license.
+ */
+
 #include <corsika/media/Environment.hpp>
 #include <corsika/media/HomogeneousMedium.hpp>
 #include <corsika/media/IMediumModel.hpp>
-- 
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