--- /dev/null
+// ---------------------------------------------------------------------
+//
+// Copyright (C) 2010 - 2015 by the deal.II authors
+//
+// This file is part of the deal.II library.
+//
+// The deal.II library is free software; you can use it, redistribute
+// it, and/or modify it under the terms of the GNU Lesser General
+// Public License as published by the Free Software Foundation; either
+// version 2.1 of the License, or (at your option) any later version.
+// The full text of the license can be found in the file LICENSE at
+// the top level of the deal.II distribution.
+//
+// ---------------------------------------------------------------------
+
+
+// test for Point::distance_square()
+
+#include "../tests.h"
+#include <deal.II/base/point.h>
+#include <deal.II/base/logstream.h>
+#include <deal.II/lac/vector.h>
+#include <fstream>
+#include <iomanip>
+
+
+template <int dim>
+void check ()
+{
+ Point<dim> p1, p2;
+ for (unsigned int i=0; i<dim; ++i)
+ {
+ p1[i] = 10.0 + 0.12345 * i;
+ p1[i] = 0.5 + 0.6789 * i;
+ }
+
+ const double d = p1.distance(p2);
+ const double d2 = p1.distance_square(p2);
+
+ AssertThrow(std::abs(d-std::sqrt(d2)) < 1e-10,
+ ExcInternalError())
+
+ deallog << "Ok" << std::endl;
+}
+
+int main ()
+{
+ std::ofstream logfile("output");
+ deallog << std::setprecision(3);
+ deallog.attach(logfile);
+ deallog.threshold_double(1.e-10);
+
+ check<1>();
+ check<2>();
+ check<3>();
+}