From 18a9ee7b80bfdb3cf58d1684c55ca5197fb8c31f Mon Sep 17 00:00:00 2001
From: Christoph Lehmann <christoph.lehmann@ufz.de>
Date: Wed, 2 Sep 2015 09:51:25 +0200
Subject: [PATCH] Added test.
---
Tests/NumLib/TestFunctionInterpolation.cpp | 33 ++++++++++++++++++++++
1 file changed, 33 insertions(+)
create mode 100644 Tests/NumLib/TestFunctionInterpolation.cpp
diff --git a/Tests/NumLib/TestFunctionInterpolation.cpp b/Tests/NumLib/TestFunctionInterpolation.cpp
new file mode 100644
index 00000000000..b96357b8b5c
--- /dev/null
+++ b/Tests/NumLib/TestFunctionInterpolation.cpp
@@ -0,0 +1,33 @@
+/**
+ * \copyright
+ * Copyright (c) 2012-2015, OpenGeoSys Community (http://www.opengeosys.org)
+ * Distributed under a Modified BSD License.
+ * See accompanying file LICENSE.txt or
+ * http://www.opengeosys.org/LICENSE.txt
+ */
+
+#include <gtest/gtest.h>
+
+#include <array>
+
+#include "NumLib/Function/Interpolation.h"
+
+TEST(NumLibFunctionInterpolationTest, TwoVariablesTwoNodes)
+{
+ double v1 = 0.0, v2 = 0.0;
+ std::array<double*, 2> interpolated_values = { &v1, &v2 };
+
+ const std::array<double, 4> nodal_values = {
+ 0.0, 1.0, // v1
+ -1.0, 1.0 // v2
+ };
+
+ const std::array<double, 2> shape_matrix = { 0.25, 0.75 };
+
+ NumLib::shapeFunctionInterpolate(nodal_values, shape_matrix,
+ interpolated_values);
+
+ ASSERT_EQ(0.75, v1);
+ ASSERT_EQ(0.5, v2);
+}
+
--
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