From 27453f51777e259093521cb13c197f56b5f949bd Mon Sep 17 00:00:00 2001
From: alberto sartori <alberto.sartori86@gmail.com>
Date: Wed, 2 Mar 2016 15:33:44 +0100
Subject: [PATCH] Mapping Manifold Test 02

---
 tests/fe/mapping_manifold_02.cc     | 115 ++++++++++++++++++++++++++++
 tests/fe/mapping_manifold_02.output |   0
 2 files changed, 115 insertions(+)
 create mode 100644 tests/fe/mapping_manifold_02.cc
 create mode 100644 tests/fe/mapping_manifold_02.output

diff --git a/tests/fe/mapping_manifold_02.cc b/tests/fe/mapping_manifold_02.cc
new file mode 100644
index 0000000000..3102324b5d
--- /dev/null
+++ b/tests/fe/mapping_manifold_02.cc
@@ -0,0 +1,115 @@
+// ---------------------------------------------------------------------
+//
+// Copyright (C) 2016 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 that the quadrature points obtained through transform_unit_to_real
+// are the same of those given by FEValues
+
+
+#include "../tests.h"
+
+#include <deal.II/base/utilities.h>
+#include <deal.II/grid/tria.h>
+#include <deal.II/grid/grid_generator.h>
+#include <deal.II/grid/manifold_lib.h>
+#include <deal.II/dofs/dof_handler.h>
+#include <deal.II/fe/mapping_q_generic.h>
+#include <deal.II/fe/mapping_manifold.h>
+#include <deal.II/fe/fe_q.h>
+#include <deal.II/fe/fe_values.h>
+
+#include <fstream>
+
+template<int dim, int spacedim>
+void test()
+{
+  deallog << "dim=" << dim << ", spacedim=" << spacedim << std::endl;
+
+  Triangulation<dim, spacedim>   triangulation;
+
+  const Point<2> center (7,9);
+  const Point<2> origin (0,0);
+  const double inner_radius = 0.5,
+               outer_radius = 1.0;
+  GridGenerator::hyper_shell (triangulation,
+                              center, inner_radius, outer_radius,
+                              10);
+
+
+  static  const SphericalManifold<dim> manifold(center);
+
+  triangulation.set_all_manifold_ids_on_boundary(0);
+  triangulation.set_manifold (0, manifold);
+  typename  Triangulation<dim,spacedim>::active_cell_iterator
+  cell = triangulation.begin_active(),
+  endc = triangulation.end();
+  for (; cell!=endc; ++cell)
+    cell->set_all_manifold_ids (0);
+
+  const QGauss<spacedim> quadrature(1);
+
+  std::vector<Point<spacedim> > q_points_from_quadrature = quadrature.get_points();
+  
+  FE_Q<dim,spacedim> fe(1);
+  
+  DoFHandler<dim,spacedim> dof(tr);
+  dof.distribute_dofs(fe);
+
+
+  FEValues<dim,spacedim> fe_values (fe, quadrature,
+				    update_quadrature_points);
+
+
+  MappingManifold<dim,spacedim> map_manifold;
+
+  cell = triangulation.begin_active();
+
+  for (; cell!=endc; ++cell)
+    {
+      fe_values.reinit(cell);
+      std::vector<Point<spacedim> > q_points_from_fe_values = fe_values.get_quadrature_points();
+      for (unsigned int q=0; q<q_points.size(); ++q)
+        {
+          const Point<spacedim> pq = map_manifold.transform_unit_to_real_cell(cell,q_points[q]);
+
+	  AssertThrow(pq.distance(q_points_from_fe_values[q]) < 1e-10,
+		      ExcInternalError());
+        }
+    }
+  deallog << "OK" << std::endl;
+}
+
+
+int
+main()
+{
+  std::ofstream logfile ("output");
+  deallog.attach(logfile);
+  deallog.threshold_double(1.e-10);
+
+
+  test<1,1>();
+  test<2,2>();
+  test<3,3>();
+
+  test<1,2>();
+  test<1,3>();
+  test<2,3>();
+
+  return 0;
+}
+
+
+
diff --git a/tests/fe/mapping_manifold_02.output b/tests/fe/mapping_manifold_02.output
new file mode 100644
index 0000000000..e69de29bb2
-- 
2.39.5