From e25e3f54914a2fdd83d2851db6252fc1b1a670e4 Mon Sep 17 00:00:00 2001
From: "Dennis.Glaeser" <dennis.glaeser@iws.uni-stuttgart.de>
Date: Mon, 2 Sep 2019 10:44:52 +0200
Subject: [PATCH] [richards][test] allow compile-time definition of diff method

---
 test/porousmediumflow/richards/implicit/lens/main.cc | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/test/porousmediumflow/richards/implicit/lens/main.cc b/test/porousmediumflow/richards/implicit/lens/main.cc
index c68cde8254..e8246fbd45 100644
--- a/test/porousmediumflow/richards/implicit/lens/main.cc
+++ b/test/porousmediumflow/richards/implicit/lens/main.cc
@@ -50,6 +50,10 @@
 
 #include "problem.hh"
 
+#ifndef DIFFMETHOD
+#define DIFFMETHOD DiffMethod::numeric
+#endif
+
 ////////////////////////
 // the main function
 ////////////////////////
-- 
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