--- /dev/null
+// ---------------------------------------------------------------------
+//
+// Copyright (C) 2015 - 2019 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.md at
+// the top level directory of deal.II.
+//
+// ---------------------------------------------------------------------
+
+
+// test Utilities::fixed_power for vectorized array
+
+#include <deal.II/base/utilities.h>
+#include <deal.II/base/vectorization.h>
+
+#include "../tests.h"
+
+template <typename VectorizedArrayType>
+void
+do_test(const VectorizedArrayType array)
+{
+ deallog << " test " << VectorizedArrayType::n_array_elements
+ << " array elements" << std::endl;
+
+ auto exponentiated_array = Utilities::fixed_power<3>(array);
+
+ for (unsigned int i = 0; i < VectorizedArrayType::n_array_elements; i++)
+ deallog << exponentiated_array[i] << " ";
+ deallog << std::endl;
+
+ exponentiated_array = Utilities::fixed_power<-3>(array);
+
+ for (unsigned int i = 0; i < VectorizedArrayType::n_array_elements; i++)
+ deallog << exponentiated_array[i] << " ";
+ deallog << std::endl;
+}
+
+
+int
+main()
+{
+ initlog();
+
+#if DEAL_II_COMPILER_VECTORIZATION_LEVEL >= 3 && defined(__AVX512F__)
+ do_test(VectorizedArray<double, 8>(2.0));
+ do_test(VectorizedArray<float, 16>(2.0));
+#endif
+
+#if DEAL_II_COMPILER_VECTORIZATION_LEVEL >= 2 && defined(__AVX__)
+ do_test(VectorizedArray<double, 4>(2.0));
+ do_test(VectorizedArray<float, 8>(2.0));
+#endif
+
+#if DEAL_II_COMPILER_VECTORIZATION_LEVEL >= 1 && defined(__SSE2__)
+ do_test(VectorizedArray<double, 2>(2.0));
+ do_test(VectorizedArray<float, 4>(2.0));
+#endif
+
+ do_test(VectorizedArray<double, 1>(2.0));
+ do_test(VectorizedArray<float, 1>(2.0));
+}
--- /dev/null
+
+DEAL:: test 4 array elements
+DEAL::8.00000 8.00000 8.00000 8.00000
+DEAL::0.125000 0.125000 0.125000 0.125000
+DEAL:: test 8 array elements
+DEAL::8.00000 8.00000 8.00000 8.00000 8.00000 8.00000 8.00000 8.00000
+DEAL::0.125000 0.125000 0.125000 0.125000 0.125000 0.125000 0.125000 0.125000
+DEAL:: test 2 array elements
+DEAL::8.00000 8.00000
+DEAL::0.125000 0.125000
+DEAL:: test 4 array elements
+DEAL::8.00000 8.00000 8.00000 8.00000
+DEAL::0.125000 0.125000 0.125000 0.125000
+DEAL:: test 1 array elements
+DEAL::8.00000
+DEAL::0.125000
+DEAL:: test 1 array elements
+DEAL::8.00000
+DEAL::0.125000
--- /dev/null
+
+DEAL:: test 8 array elements
+DEAL::8.00000 8.00000 8.00000 8.00000 8.00000 8.00000 8.00000 8.00000
+DEAL::0.125000 0.125000 0.125000 0.125000 0.125000 0.125000 0.125000 0.125000
+DEAL:: test 16 array elements
+DEAL::8.00000 8.00000 8.00000 8.00000 8.00000 8.00000 8.00000 8.00000 8.00000 8.00000 8.00000 8.00000 8.00000 8.00000 8.00000 8.00000
+DEAL::0.125000 0.125000 0.125000 0.125000 0.125000 0.125000 0.125000 0.125000 0.125000 0.125000 0.125000 0.125000 0.125000 0.125000 0.125000 0.125000
+DEAL:: test 4 array elements
+DEAL::8.00000 8.00000 8.00000 8.00000
+DEAL::0.125000 0.125000 0.125000 0.125000
+DEAL:: test 8 array elements
+DEAL::8.00000 8.00000 8.00000 8.00000 8.00000 8.00000 8.00000 8.00000
+DEAL::0.125000 0.125000 0.125000 0.125000 0.125000 0.125000 0.125000 0.125000
+DEAL:: test 2 array elements
+DEAL::8.00000 8.00000
+DEAL::0.125000 0.125000
+DEAL:: test 4 array elements
+DEAL::8.00000 8.00000 8.00000 8.00000
+DEAL::0.125000 0.125000 0.125000 0.125000
+DEAL:: test 1 array elements
+DEAL::8.00000
+DEAL::0.125000
+DEAL:: test 1 array elements
+DEAL::8.00000
+DEAL::0.125000