--- /dev/null
+// ---------------------------------------------------------------------
+// $Id$
+//
+// Copyright (C) 2014 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.
+//
+// ---------------------------------------------------------------------
+
+
+// check ProductMatrix::vmult
+
+
+#include "../tests.h"
+#include <deal.II/base/logstream.h>
+#include <deal.II/lac/matrix_lib.h>
+#include <deal.II/lac/full_matrix.h>
+#include <deal.II/lac/vector.h>
+
+#include <fstream>
+#include <iomanip>
+#include <cmath>
+
+template<typename number>
+void
+check()
+{
+ const double Adata[] =
+ {
+ 2, 3,
+ 4, 5
+ };
+
+ const double Bdata[] =
+ {
+ 0, 1,
+ 2, 3
+ };
+
+
+ FullMatrix<float> A(2,2);
+ FullMatrix<double> B(2,2);
+
+ A.fill(Adata);
+ B.fill(Bdata);
+
+ GrowingVectorMemory<Vector<number> > mem;
+
+ ProductMatrix<Vector<number> > AB(A,B,mem);
+
+ Vector<number> u(2);
+ Vector<number> v(2);
+
+ u(0) = 1.;
+ u(1) = 2.;
+
+ AB.vmult(v,u);
+
+ deallog << v(0) << '\t' << v(1) << std::endl;
+}
+
+
+int main()
+{
+ std::ofstream logfile("output");
+ deallog << std::setprecision(4);
+ deallog.attach(logfile);
+ deallog.depth_console(0);
+ deallog.threshold_double(1.e-10);
+
+ check<double>();
+ check<float>();
+}