/usr/include/dolfin/fem/LocalAssembler.h is in libdolfin-dev 2017.2.0.post0-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 | // Copyright (C) 2011 Marie E. Rognes
//
// This file is part of DOLFIN.
//
// DOLFIN is free software: you can 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 3 of the License, or
// (at your option) any later version.
//
// DOLFIN is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with DOLFIN. If not, see <http://www.gnu.org/licenses/>.
//
// First added: 2011-01-04
// Last changed: 2015-09-30
#ifndef __LOCAL_ASSEMBLER_H
#define __LOCAL_ASSEMBLER_H
#include <vector>
#include <dolfin/common/types.h>
#include <Eigen/Dense>
namespace ufc
{
class cell;
}
namespace dolfin
{
class Cell;
class Facet;
class UFC;
template<typename T> class MeshFunction;
/// Assembly of local cell tensors. Used by the adaptivity and
/// LocalSolver functionality in dolfin. The local assembly
/// functionality provided here is also wrapped as a free function
/// assemble_local(form_a, cell) in Python for easier usage. Use
/// from the C++ interface defined below will be faster than the
/// free function as fewer objects need to be created and destroyed.
class LocalAssembler
{
public:
/// Assemble a local tensor on a cell. Internally calls
/// assemble_cell(), assemble_exterior_facet(),
/// assemble_interior_facet().
static void
assemble(Eigen::Matrix<double, Eigen::Dynamic,
Eigen::Dynamic,
Eigen::RowMajor>& A, ///< [out] The tensor to assemble.
UFC& ufc, ///< [in]
const std::vector<double>& coordinate_dofs, ///< [in]
ufc::cell& ufc_cell, ///< [in]
const Cell& cell, ///< [in]
const MeshFunction<std::size_t>* cell_domains, ///< [in]
const MeshFunction<std::size_t>* exterior_facet_domains, ///< [in]
const MeshFunction<std::size_t>* interior_facet_domains ///< [in]
);
/// Worker method called by assemble() to perform assembly of
/// volume integrals (UFL measure dx).
static void assemble_cell(Eigen::Matrix<double, Eigen::Dynamic,
Eigen::Dynamic,
Eigen::RowMajor>& A, ///< [out] The tensor to assemble.
UFC& ufc, ///< [in]
const std::vector<double>& coordinate_dofs, ///< [in]
const ufc::cell& ufc_cell, ///< [in]
const Cell& cell, ///< [in]
const MeshFunction<std::size_t>* cell_domains ///< [in]
);
/// Worker method called by assemble() for each of the cell's
/// external facets to perform assembly of external facet
/// integrals (UFL measure ds).
static void
assemble_exterior_facet(Eigen::Matrix<double, Eigen::Dynamic,
Eigen::Dynamic,
Eigen::RowMajor>& A, ///< [out] The tensor to assemble.
UFC& ufc, ///< [in]
const std::vector<double>& coordinate_dofs, ///< [in]
const ufc::cell& ufc_cell, ///< [in]
const Cell& cell, ///< [in]
const Facet& facet, ///< [in]
const std::size_t local_facet, ///< [in]
const MeshFunction<std::size_t>* exterior_facet_domains ///< [in]
);
/// Worker method called by assemble() for each of the cell's
/// internal facets to perform assembly of internal facet
/// integrals (UFL measure dS)
static void
assemble_interior_facet(Eigen::Matrix<double, Eigen::Dynamic,
Eigen::Dynamic,
Eigen::RowMajor>& A, ///< [out] The tensor to assemble.
UFC& ufc, ///< [in]
const std::vector<double>& coordinate_dofs, ///< [in]
const ufc::cell& ufc_cell, ///< [in]
const Cell& cell, ///< [in]
const Facet& facet, ///< [in]
const std::size_t local_facet, ///< [in]
const MeshFunction<std::size_t>* interior_facet_domains, ///< [in]
const MeshFunction<std::size_t>* cell_domains ///< [in]
);
};
}
#endif
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