1 files changed, 42 insertions, 0 deletions
diff --git a/test/eigen2/eigen2_smallvectors.cpp b/test/eigen2/eigen2_smallvectors.cpp
new file mode 100644
index 000000000..03962b17d
--- /dev/null
+++ b/test/eigen2/eigen2_smallvectors.cpp
@@ -0,0 +1,42 @@
+// This file is part of Eigen, a lightweight C++ template library
+// for linear algebra. Eigen itself is part of the KDE project.
+//
+// Copyright (C) 2006-2008 Benoit Jacob <jacob.benoit.1@gmail.com>
+//
+// This Source Code Form is subject to the terms of the Mozilla
+// Public License v. 2.0. If a copy of the MPL was not distributed
+// with this file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+#include "main.h"
+
+template<typename Scalar> void smallVectors()
+{
+  typedef Matrix<Scalar, 1, 2> V2;
+  typedef Matrix<Scalar, 3, 1> V3;
+  typedef Matrix<Scalar, 1, 4> V4;
+  Scalar x1 = ei_random<Scalar>(),
+         x2 = ei_random<Scalar>(),
+         x3 = ei_random<Scalar>(),
+         x4 = ei_random<Scalar>();
+  V2 v2(x1, x2);
+  V3 v3(x1, x2, x3);
+  V4 v4(x1, x2, x3, x4);
+  VERIFY_IS_APPROX(x1, v2.x());
+  VERIFY_IS_APPROX(x1, v3.x());
+  VERIFY_IS_APPROX(x1, v4.x());
+  VERIFY_IS_APPROX(x2, v2.y());
+  VERIFY_IS_APPROX(x2, v3.y());
+  VERIFY_IS_APPROX(x2, v4.y());
+  VERIFY_IS_APPROX(x3, v3.z());
+  VERIFY_IS_APPROX(x3, v4.z());
+  VERIFY_IS_APPROX(x4, v4.w());
+}
+
+void test_eigen2_smallvectors()
+{
+  for(int i = 0; i < g_repeat; i++) {
+    CALL_SUBTEST( smallVectors<int>() );
+    CALL_SUBTEST( smallVectors<float>() );
+    CALL_SUBTEST( smallVectors<double>() );
+  }
+}