Add tests for MeshWorker::ScratchData::get_*

diff --git a/tests/meshworker/scratch_data_09a.cc b/tests/meshworker/scratch_data_09a.cc
new file mode 100644 (file)
index 0000000..7a2825f
--- /dev/null
+++ b/tests/meshworker/scratch_data_09a.cc
@@ -0,0 +1,102 @@
+/* ---------------------------------------------------------------------
+ *
+ * Copyright (C) 2021 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.
+ *
+ * ---------------------------------------------------------------------
+ */
+
+// Check that ScratchData returns the correct solution values, gradients, etc.
+// - Scalar valued FE
+
+#include <deal.II/base/function_lib.h>
+#include <deal.II/base/quadrature_lib.h>
+
+#include <deal.II/fe/fe_q.h>
+#include <deal.II/fe/fe_values.h>
+#include <deal.II/fe/fe_values_extractors.h>
+
+#include <deal.II/grid/grid_generator.h>
+#include <deal.II/grid/tria.h>
+
+#include <deal.II/meshworker/scratch_data.h>
+
+#include <deal.II/numerics/vector_tools.h>
+
+#include "../tests.h"
+
+
+template <int dim,
+          int spacedim        = dim,
+          typename NumberType = double,
+          typename ExtractorType>
+void
+run(const ExtractorType &extractor)
+{
+  LogStream::Prefix prefix("Dim " + Utilities::to_string(dim));
+  std::cout << "Dim: " << dim << std::endl;
+
+  const FE_Q<dim, spacedim>  fe(3);
+  const QGauss<spacedim>     qf_cell(fe.degree + 1);
+  const QGauss<spacedim - 1> qf_face(fe.degree + 1);
+
+  Triangulation<dim, spacedim> triangulation;
+  GridGenerator::hyper_cube(triangulation);
+
+  DoFHandler<dim, spacedim> dof_handler(triangulation);
+  dof_handler.distribute_dofs(fe);
+
+  Vector<double> solution(dof_handler.n_dofs());
+  VectorTools::interpolate(dof_handler,
+                           Functions::CosineFunction<spacedim>(
+                             fe.n_components()),
+                           solution);
+
+  const UpdateFlags update_flags =
+    update_values | update_gradients | update_hessians | update_3rd_derivatives;
+  MeshWorker::ScratchData<dim, spacedim> scratch_data(fe,
+                                                      qf_cell,
+                                                      update_flags);
+
+  const auto cell = dof_handler.begin_active();
+  scratch_data.reinit(cell);
+  scratch_data.extract_local_dof_values("solution", solution);
+
+  deallog << "Value: " << scratch_data.get_values("solution", extractor)[0]
+          << std::endl;
+  deallog << "Gradient: "
+          << scratch_data.get_gradients("solution", extractor)[0] << std::endl;
+  deallog << "Hessian: " << scratch_data.get_hessians("solution", extractor)[0]
+          << std::endl;
+  deallog << "Laplacian: "
+          << scratch_data.get_laplacians("solution", extractor)[0] << std::endl;
+  deallog << "Third derivative: "
+          << scratch_data.get_third_derivatives("solution", extractor)[0]
+          << std::endl;
+
+  deallog << "OK" << std::endl;
+}
+
+
+int
+main(int argc, char *argv[])
+{
+  initlog();
+  Utilities::MPI::MPI_InitFinalize mpi_initialization(
+    argc, argv, testing_max_num_threads());
+
+  FEValuesExtractors::Scalar extractor(0);
+
+  run<2>(extractor);
+  run<3>(extractor);
+
+  deallog << "OK" << std::endl;
+}

diff --git a/tests/meshworker/scratch_data_09a.output b/tests/meshworker/scratch_data_09a.output
new file mode 100644 (file)
index 0000000..584d7eb
--- /dev/null
+++ b/tests/meshworker/scratch_data_09a.output
@@ -0,0 +1,14 @@
+
+DEAL:Dim 2::Value: 0.991562
+DEAL:Dim 2::Gradient: -0.158724 -0.158724
+DEAL:Dim 2::Hessian: -2.76461 0.0254076 0.0254076 -2.76461
+DEAL:Dim 2::Laplacian: -5.52923
+DEAL:Dim 2::Third derivative: 2.62952 0.442544 0.442544 0.442544 0.442544 0.442544 0.442544 2.62952
+DEAL:Dim 2::OK
+DEAL:Dim 3::Value: 0.987370
+DEAL:Dim 3::Gradient: -0.158053 -0.158053 -0.158053
+DEAL:Dim 3::Hessian: -2.75292 0.0253002 0.0253002 0.0253002 -2.75292 0.0253002 0.0253002 0.0253002 -2.75292
+DEAL:Dim 3::Laplacian: -8.25877
+DEAL:Dim 3::Third derivative: 2.61841 0.440673 0.440673 0.440673 0.440673 -0.00404991 0.440673 -0.00404991 0.440673 0.440673 0.440673 -0.00404991 0.440673 2.61841 0.440673 -0.00404991 0.440673 0.440673 0.440673 -0.00404991 0.440673 -0.00404991 0.440673 0.440673 0.440673 0.440673 2.61841
+DEAL:Dim 3::OK
+DEAL::OK

diff --git a/tests/meshworker/scratch_data_09b.cc b/tests/meshworker/scratch_data_09b.cc
new file mode 100644 (file)
index 0000000..2315004
--- /dev/null
+++ b/tests/meshworker/scratch_data_09b.cc
@@ -0,0 +1,111 @@
+/* ---------------------------------------------------------------------
+ *
+ * Copyright (C) 2021 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.
+ *
+ * ---------------------------------------------------------------------
+ */
+
+// Check that ScratchData returns the correct solution values, gradients, etc.
+// - Vector valued FE
+
+#include <deal.II/base/function_lib.h>
+#include <deal.II/base/quadrature_lib.h>
+
+#include <deal.II/fe/fe_q.h>
+#include <deal.II/fe/fe_system.h>
+#include <deal.II/fe/fe_values.h>
+#include <deal.II/fe/fe_values_extractors.h>
+
+#include <deal.II/grid/grid_generator.h>
+#include <deal.II/grid/tria.h>
+
+#include <deal.II/meshworker/scratch_data.h>
+
+#include <deal.II/numerics/vector_tools.h>
+
+#include "../tests.h"
+
+
+template <int dim,
+          int spacedim        = dim,
+          typename NumberType = double,
+          typename ExtractorType>
+void
+run(const ExtractorType &extractor)
+{
+  LogStream::Prefix prefix("Dim " + Utilities::to_string(dim));
+  std::cout << "Dim: " << dim << std::endl;
+
+  const FESystem<dim, spacedim> fe(FE_Q<dim, spacedim>(3), dim);
+  const QGauss<spacedim>        qf_cell(fe.degree + 1);
+  const QGauss<spacedim - 1>    qf_face(fe.degree + 1);
+
+  Triangulation<dim, spacedim> triangulation;
+  GridGenerator::hyper_cube(triangulation);
+
+  DoFHandler<dim, spacedim> dof_handler(triangulation);
+  dof_handler.distribute_dofs(fe);
+
+  Vector<double> solution(dof_handler.n_dofs());
+  VectorTools::interpolate(dof_handler,
+                           Functions::CosineFunction<spacedim>(
+                             fe.n_components()),
+                           solution);
+
+  const UpdateFlags update_flags =
+    update_values | update_gradients | update_hessians | update_3rd_derivatives;
+  MeshWorker::ScratchData<dim, spacedim> scratch_data(fe,
+                                                      qf_cell,
+                                                      update_flags);
+
+  const auto cell = dof_handler.begin_active();
+  scratch_data.reinit(cell);
+  scratch_data.extract_local_dof_values("solution", solution);
+
+  deallog << "Value: " << scratch_data.get_values("solution", extractor)[0]
+          << std::endl;
+  deallog << "Gradient: "
+          << scratch_data.get_gradients("solution", extractor)[0] << std::endl;
+  deallog << "Symmetric gradient: "
+          << scratch_data.get_symmetric_gradients("solution", extractor)[0]
+          << std::endl;
+  deallog << "Divergence: "
+          << scratch_data.get_divergences("solution", extractor)[0]
+          << std::endl;
+  deallog << "Curl: " << scratch_data.get_curls("solution", extractor)[0]
+          << std::endl;
+  deallog << "Hessian: " << scratch_data.get_hessians("solution", extractor)[0]
+          << std::endl;
+  deallog << "Laplacian: "
+          << scratch_data.get_laplacians("solution", extractor)[0] << std::endl;
+  deallog << "Third derivative: "
+          << scratch_data.get_third_derivatives("solution", extractor)[0]
+          << std::endl;
+
+  deallog << "OK" << std::endl;
+}
+
+
+int
+main(int argc, char *argv[])
+{
+  initlog();
+  Utilities::MPI::MPI_InitFinalize mpi_initialization(
+    argc, argv, testing_max_num_threads());
+
+  FEValuesExtractors::Vector extractor(0);
+
+  // Just run in 3d, so we can extract the curl
+  run<3>(extractor);
+
+  deallog << "OK" << std::endl;
+}

diff --git a/tests/meshworker/scratch_data_09b.output b/tests/meshworker/scratch_data_09b.output
new file mode 100644 (file)
index 0000000..e8d10d0
--- /dev/null
+++ b/tests/meshworker/scratch_data_09b.output
@@ -0,0 +1,11 @@
+
+DEAL:Dim 3::Value: 0.987370 0.987370 0.987370
+DEAL:Dim 3::Gradient: -0.158053 -0.158053 -0.158053 -0.158053 -0.158053 -0.158053 -0.158053 -0.158053 -0.158053
+DEAL:Dim 3::Symmetric gradient: -0.158053 -0.158053 -0.158053 -0.158053 -0.158053 -0.158053 -0.158053 -0.158053 -0.158053
+DEAL:Dim 3::Divergence: -0.474158
+DEAL:Dim 3::Curl: 1.11890e-16 7.88432e-16 6.54858e-16
+DEAL:Dim 3::Hessian: -2.75292 0.0253002 0.0253002 0.0253002 -2.75292 0.0253002 0.0253002 0.0253002 -2.75292 -2.75292 0.0253002 0.0253002 0.0253002 -2.75292 0.0253002 0.0253002 0.0253002 -2.75292 -2.75292 0.0253002 0.0253002 0.0253002 -2.75292 0.0253002 0.0253002 0.0253002 -2.75292
+DEAL:Dim 3::Laplacian: -8.25877 -8.25877 -8.25877
+DEAL:Dim 3::Third derivative: 2.61841 0.440673 0.440673 0.440673 0.440673 -0.00404991 0.440673 -0.00404991 0.440673 0.440673 0.440673 -0.00404991 0.440673 2.61841 0.440673 -0.00404991 0.440673 0.440673 0.440673 -0.00404991 0.440673 -0.00404991 0.440673 0.440673 0.440673 0.440673 2.61841 2.61841 0.440673 0.440673 0.440673 0.440673 -0.00404991 0.440673 -0.00404991 0.440673 0.440673 0.440673 -0.00404991 0.440673 2.61841 0.440673 -0.00404991 0.440673 0.440673 0.440673 -0.00404991 0.440673 -0.00404991 0.440673 0.440673 0.440673 0.440673 2.61841 2.61841 0.440673 0.440673 0.440673 0.440673 -0.00404991 0.440673 -0.00404991 0.440673 0.440673 0.440673 -0.00404991 0.440673 2.61841 0.440673 -0.00404991 0.440673 0.440673 0.440673 -0.00404991 0.440673 -0.00404991 0.440673 0.440673 0.440673 0.440673 2.61841
+DEAL:Dim 3::OK
+DEAL::OK

diff --git a/tests/meshworker/scratch_data_09c.cc b/tests/meshworker/scratch_data_09c.cc
new file mode 100644 (file)
index 0000000..8f10ea7
--- /dev/null
+++ b/tests/meshworker/scratch_data_09c.cc
@@ -0,0 +1,100 @@
+/* ---------------------------------------------------------------------
+ *
+ * Copyright (C) 2021 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.
+ *
+ * ---------------------------------------------------------------------
+ */
+
+// Check that ScratchData returns the correct solution values, gradients, etc.
+// - Tensor valued FE
+
+#include <deal.II/base/function_lib.h>
+#include <deal.II/base/quadrature_lib.h>
+#include <deal.II/base/tensor.h>
+
+#include <deal.II/fe/fe_q.h>
+#include <deal.II/fe/fe_system.h>
+#include <deal.II/fe/fe_values.h>
+#include <deal.II/fe/fe_values_extractors.h>
+
+#include <deal.II/grid/grid_generator.h>
+#include <deal.II/grid/tria.h>
+
+#include <deal.II/meshworker/scratch_data.h>
+
+#include <deal.II/numerics/vector_tools.h>
+
+#include "../tests.h"
+
+
+template <int dim,
+          int spacedim        = dim,
+          typename NumberType = double,
+          typename ExtractorType>
+void
+run(const ExtractorType &extractor)
+{
+  LogStream::Prefix prefix("Dim " + Utilities::to_string(dim));
+  std::cout << "Dim: " << dim << std::endl;
+
+  const FESystem<dim, spacedim> fe(FE_Q<dim, spacedim>(3),
+                                   Tensor<2, dim>::n_independent_components);
+  const QGauss<spacedim>        qf_cell(fe.degree + 1);
+  const QGauss<spacedim - 1>    qf_face(fe.degree + 1);
+
+  Triangulation<dim, spacedim> triangulation;
+  GridGenerator::hyper_cube(triangulation);
+
+  DoFHandler<dim, spacedim> dof_handler(triangulation);
+  dof_handler.distribute_dofs(fe);
+
+  Vector<double> solution(dof_handler.n_dofs());
+  VectorTools::interpolate(dof_handler,
+                           Functions::CosineFunction<spacedim>(
+                             fe.n_components()),
+                           solution);
+
+  const UpdateFlags update_flags = update_values | update_gradients;
+  MeshWorker::ScratchData<dim, spacedim> scratch_data(fe,
+                                                      qf_cell,
+                                                      update_flags);
+
+  const auto cell = dof_handler.begin_active();
+  scratch_data.reinit(cell);
+  scratch_data.extract_local_dof_values("solution", solution);
+
+  deallog << "Value: " << scratch_data.get_values("solution", extractor)[0]
+          << std::endl;
+  deallog << "Gradient: "
+          << scratch_data.get_gradients("solution", extractor)[0] << std::endl;
+  deallog << "Divergence: "
+          << scratch_data.get_divergences("solution", extractor)[0]
+          << std::endl;
+
+  deallog << "OK" << std::endl;
+}
+
+
+int
+main(int argc, char *argv[])
+{
+  initlog();
+  Utilities::MPI::MPI_InitFinalize mpi_initialization(
+    argc, argv, testing_max_num_threads());
+
+  FEValuesExtractors::Tensor<2> extractor(0);
+
+  run<2>(extractor);
+  run<3>(extractor);
+
+  deallog << "OK" << std::endl;
+}

diff --git a/tests/meshworker/scratch_data_09c.output b/tests/meshworker/scratch_data_09c.output
new file mode 100644 (file)
index 0000000..7d8e560
--- /dev/null
+++ b/tests/meshworker/scratch_data_09c.output
@@ -0,0 +1,10 @@
+
+DEAL:Dim 2::Value: 0.991562 0.991562 0.991562 0.991562
+DEAL:Dim 2::Gradient: -0.158724 -0.158724 -0.158724 -0.158724 -0.158724 -0.158724 -0.158724 -0.158724
+DEAL:Dim 2::Divergence: -0.317447 -0.317447
+DEAL:Dim 2::OK
+DEAL:Dim 3::Value: 0.987370 0.987370 0.987370 0.987370 0.987370 0.987370 0.987370 0.987370 0.987370
+DEAL:Dim 3::Gradient: -0.158053 -0.158053 -0.158053 -0.158053 -0.158053 -0.158053 -0.158053 -0.158053 -0.158053 -0.158053 -0.158053 -0.158053 -0.158053 -0.158053 -0.158053 -0.158053 -0.158053 -0.158053 -0.158053 -0.158053 -0.158053 -0.158053 -0.158053 -0.158053 -0.158053 -0.158053 -0.158053
+DEAL:Dim 3::Divergence: -0.474158 -0.474158 -0.474158
+DEAL:Dim 3::OK
+DEAL::OK

diff --git a/tests/meshworker/scratch_data_09d.cc b/tests/meshworker/scratch_data_09d.cc
new file mode 100644 (file)
index 0000000..bbc6b59
--- /dev/null
+++ b/tests/meshworker/scratch_data_09d.cc
@@ -0,0 +1,98 @@
+/* ---------------------------------------------------------------------
+ *
+ * Copyright (C) 2021 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.
+ *
+ * ---------------------------------------------------------------------
+ */
+
+// Check that ScratchData returns the correct solution values, gradients, etc.
+// - Symmetric tensor valued FE
+
+#include <deal.II/base/function_lib.h>
+#include <deal.II/base/quadrature_lib.h>
+#include <deal.II/base/symmetric_tensor.h>
+
+#include <deal.II/fe/fe_q.h>
+#include <deal.II/fe/fe_system.h>
+#include <deal.II/fe/fe_values.h>
+#include <deal.II/fe/fe_values_extractors.h>
+
+#include <deal.II/grid/grid_generator.h>
+#include <deal.II/grid/tria.h>
+
+#include <deal.II/meshworker/scratch_data.h>
+
+#include <deal.II/numerics/vector_tools.h>
+
+#include "../tests.h"
+
+
+template <int dim,
+          int spacedim        = dim,
+          typename NumberType = double,
+          typename ExtractorType>
+void
+run(const ExtractorType &extractor)
+{
+  LogStream::Prefix prefix("Dim " + Utilities::to_string(dim));
+  std::cout << "Dim: " << dim << std::endl;
+
+  const FESystem<dim, spacedim> fe(
+    FE_Q<dim, spacedim>(3), SymmetricTensor<2, dim>::n_independent_components);
+  const QGauss<spacedim>     qf_cell(fe.degree + 1);
+  const QGauss<spacedim - 1> qf_face(fe.degree + 1);
+
+  Triangulation<dim, spacedim> triangulation;
+  GridGenerator::hyper_cube(triangulation);
+
+  DoFHandler<dim, spacedim> dof_handler(triangulation);
+  dof_handler.distribute_dofs(fe);
+
+  Vector<double> solution(dof_handler.n_dofs());
+  VectorTools::interpolate(dof_handler,
+                           Functions::CosineFunction<spacedim>(
+                             fe.n_components()),
+                           solution);
+
+  const UpdateFlags update_flags = update_values | update_gradients;
+  MeshWorker::ScratchData<dim, spacedim> scratch_data(fe,
+                                                      qf_cell,
+                                                      update_flags);
+
+  const auto cell = dof_handler.begin_active();
+  scratch_data.reinit(cell);
+  scratch_data.extract_local_dof_values("solution", solution);
+
+  deallog << "Value: " << scratch_data.get_values("solution", extractor)[0]
+          << std::endl;
+  deallog << "Divergence: "
+          << scratch_data.get_divergences("solution", extractor)[0]
+          << std::endl;
+
+  deallog << "OK" << std::endl;
+}
+
+
+int
+main(int argc, char *argv[])
+{
+  initlog();
+  Utilities::MPI::MPI_InitFinalize mpi_initialization(
+    argc, argv, testing_max_num_threads());
+
+  FEValuesExtractors::SymmetricTensor<2> extractor(0);
+
+  run<2>(extractor);
+  run<3>(extractor);
+
+  deallog << "OK" << std::endl;
+}

diff --git a/tests/meshworker/scratch_data_09d.output b/tests/meshworker/scratch_data_09d.output
new file mode 100644 (file)
index 0000000..c9b8c57
--- /dev/null
+++ b/tests/meshworker/scratch_data_09d.output
@@ -0,0 +1,8 @@
+
+DEAL:Dim 2::Value: 0.991562 0.991562 0.991562 0.991562
+DEAL:Dim 2::Divergence: -0.317447 -0.317447
+DEAL:Dim 2::OK
+DEAL:Dim 3::Value: 0.987370 0.987370 0.987370 0.987370 0.987370 0.987370 0.987370 0.987370 0.987370
+DEAL:Dim 3::Divergence: -0.474158 -0.474158 -0.474158
+DEAL:Dim 3::OK
+DEAL::OK