From 84f541135251b17da0f368ac17cce8379a692c7e Mon Sep 17 00:00:00 2001
From: Timo Koch <timo.koch@iws.uni-stuttgart.de>
Date: Thu, 24 Sep 2020 23:15:09 +0200
Subject: [PATCH] [common][monotonespline] Fix argument to be const&

---
 dumux/common/monotonecubicspline.hh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/dumux/common/monotonecubicspline.hh b/dumux/common/monotonecubicspline.hh
index 0af5c0ad43..dc3ae15bda 100644
--- a/dumux/common/monotonecubicspline.hh
+++ b/dumux/common/monotonecubicspline.hh
@@ -62,7 +62,7 @@ public:
      * \param x a vector of x-coordinates
      * \param y a vector of y-coordinates
      */
-    MonotoneCubicSpline(const std::vector<Scalar>& x, const std::vector<Scalar> y)
+    MonotoneCubicSpline(const std::vector<Scalar>& x, const std::vector<Scalar>& y)
     {
         // check some requirements
         assert (x.size() == y.size());
-- 
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