From: Peter Munch Date: Mon, 21 Dec 2020 12:30:43 +0000 (+0100) Subject: MatrixFreeTools::compute_diagonal() for simplex grid X-Git-Tag: v9.3.0-rc1~706^2 X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=188b386e0c2e3fbe2e2648cab86d8b65550b6157;p=dealii.git MatrixFreeTools::compute_diagonal() for simplex grid --- diff --git a/tests/matrix_free/compute_diagonal_05.cc b/tests/matrix_free/compute_diagonal_05.cc new file mode 100644 index 0000000000..79a5ec2fbe --- /dev/null +++ b/tests/matrix_free/compute_diagonal_05.cc @@ -0,0 +1,93 @@ +// --------------------------------------------------------------------- +// +// Copyright (C) 2020 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 MatrixFreeTools::compute_diagonal() for a Laplace operator on a simplex +// mesh. + +#include + +#include +#include +#include + +#include "compute_diagonal_util.h" + +template > +void +test() +{ + Triangulation tria; + + GridGenerator::subdivided_hyper_cube_with_simplices(tria, 2); + + const unsigned int fe_degree = 2; + const unsigned int n_points = 3; + + const Simplex::FE_P fe_q(fe_degree); + const FESystem fe(fe_q, n_components); + + // setup dof-handlers + DoFHandler dof_handler(tria); + dof_handler.distribute_dofs(fe); + + AffineConstraints constraint; + + MappingFE mapping(Simplex::FE_P{1}); + + VectorTools::interpolate_boundary_values(mapping, + dof_handler, + 0, + Functions::ZeroFunction( + n_components), + constraint); + + constraint.close(); + + typename MatrixFree::AdditionalData + additional_data; + additional_data.mapping_update_flags = update_values | update_gradients; + Simplex::QGauss quad(fe_degree + 1); + + MatrixFree matrix_free; + matrix_free.reinit(mapping, dof_handler, constraint, quad, additional_data); + + + Test test( + matrix_free, + constraint, + [](FEEvaluation + &phi) { + phi.evaluate(false, true); + for (unsigned int q = 0; q < phi.n_q_points; ++q) + phi.submit_gradient(phi.get_gradient(q), q); + phi.integrate(false, true); + }); + + test.do_test(); +} + +int +main(int argc, char **argv) +{ + Utilities::MPI::MPI_InitFinalize mpi_initialization(argc, argv, 1); + MPILogInitAll all; + + test<2, 1>(); // scalar + test<2, 2>(); // vector +} diff --git a/tests/matrix_free/compute_diagonal_05.with_mpi=true.with_simplex_support=on.mpirun=1.output b/tests/matrix_free/compute_diagonal_05.with_mpi=true.with_simplex_support=on.mpirun=1.output new file mode 100644 index 0000000000..c034e69e6a --- /dev/null +++ b/tests/matrix_free/compute_diagonal_05.with_mpi=true.with_simplex_support=on.mpirun=1.output @@ -0,0 +1,31 @@ + +Process #0 +Local range: [0, 25), global size: 25 +Vector data: +0.000e+00 0.000e+00 0.000e+00 0.000e+00 5.333e+00 0.000e+00 4.000e+00 5.333e+00 5.333e+00 0.000e+00 0.000e+00 5.333e+00 0.000e+00 5.333e+00 0.000e+00 0.000e+00 5.333e+00 0.000e+00 0.000e+00 0.000e+00 5.333e+00 5.333e+00 0.000e+00 0.000e+00 0.000e+00 +DEAL:0::15.6063 +Process #0 +Local range: [0, 25), global size: 25 +Vector data: +0.000e+00 0.000e+00 0.000e+00 0.000e+00 5.333e+00 0.000e+00 4.000e+00 5.333e+00 5.333e+00 0.000e+00 0.000e+00 5.333e+00 0.000e+00 5.333e+00 0.000e+00 0.000e+00 5.333e+00 0.000e+00 0.000e+00 0.000e+00 5.333e+00 5.333e+00 0.000e+00 0.000e+00 0.000e+00 +DEAL:0::15.6063 +Process #0 +Local range: [0, 25), global size: 25 +Vector data: +0.000e+00 0.000e+00 0.000e+00 0.000e+00 5.333e+00 0.000e+00 4.000e+00 5.333e+00 5.333e+00 0.000e+00 0.000e+00 5.333e+00 0.000e+00 5.333e+00 0.000e+00 0.000e+00 5.333e+00 0.000e+00 0.000e+00 0.000e+00 5.333e+00 5.333e+00 0.000e+00 0.000e+00 0.000e+00 +DEAL:0::15.6063 +Process #0 +Local range: [0, 50), global size: 50 +Vector data: +0.000e+00 0.000e+00 0.000e+00 0.000e+00 0.000e+00 0.000e+00 0.000e+00 0.000e+00 5.333e+00 5.333e+00 0.000e+00 0.000e+00 4.000e+00 4.000e+00 5.333e+00 5.333e+00 5.333e+00 5.333e+00 0.000e+00 0.000e+00 0.000e+00 0.000e+00 5.333e+00 5.333e+00 0.000e+00 0.000e+00 5.333e+00 5.333e+00 0.000e+00 0.000e+00 0.000e+00 0.000e+00 5.333e+00 5.333e+00 0.000e+00 0.000e+00 0.000e+00 0.000e+00 0.000e+00 0.000e+00 5.333e+00 5.333e+00 5.333e+00 5.333e+00 0.000e+00 0.000e+00 0.000e+00 0.000e+00 0.000e+00 0.000e+00 +DEAL:0::22.0706 +Process #0 +Local range: [0, 50), global size: 50 +Vector data: +0.000e+00 0.000e+00 0.000e+00 0.000e+00 0.000e+00 0.000e+00 0.000e+00 0.000e+00 5.333e+00 5.333e+00 0.000e+00 0.000e+00 4.000e+00 4.000e+00 5.333e+00 5.333e+00 5.333e+00 5.333e+00 0.000e+00 0.000e+00 0.000e+00 0.000e+00 5.333e+00 5.333e+00 0.000e+00 0.000e+00 5.333e+00 5.333e+00 0.000e+00 0.000e+00 0.000e+00 0.000e+00 5.333e+00 5.333e+00 0.000e+00 0.000e+00 0.000e+00 0.000e+00 0.000e+00 0.000e+00 5.333e+00 5.333e+00 5.333e+00 5.333e+00 0.000e+00 0.000e+00 0.000e+00 0.000e+00 0.000e+00 0.000e+00 +DEAL:0::22.0706 +Process #0 +Local range: [0, 50), global size: 50 +Vector data: +0.000e+00 0.000e+00 0.000e+00 0.000e+00 0.000e+00 0.000e+00 0.000e+00 0.000e+00 5.333e+00 5.333e+00 0.000e+00 0.000e+00 4.000e+00 4.000e+00 5.333e+00 5.333e+00 5.333e+00 5.333e+00 0.000e+00 0.000e+00 0.000e+00 0.000e+00 5.333e+00 5.333e+00 0.000e+00 0.000e+00 5.333e+00 5.333e+00 0.000e+00 0.000e+00 0.000e+00 0.000e+00 5.333e+00 5.333e+00 0.000e+00 0.000e+00 0.000e+00 0.000e+00 0.000e+00 0.000e+00 5.333e+00 5.333e+00 5.333e+00 5.333e+00 0.000e+00 0.000e+00 0.000e+00 0.000e+00 0.000e+00 0.000e+00 +DEAL:0::22.0706