db/df8/sparsitybuild_8h_source.html

// Copyright (C) 2007-2019 Garth N. Wells

//

// This file is part of DOLFINx (https://www.fenicsproject.org)

//

// SPDX-License-Identifier:    LGPL-3.0-or-later


#pragma once


#include <array>

#include <cstdint>

#include <functional>

#include <span>


namespace dolfinx::la

{

class SparsityPattern;

}


namespace dolfinx::mesh

{

class Topology;

}


namespace dolfinx::fem

{

class DofMap;


namespace sparsitybuild

{


void cells(

    la::SparsityPattern& pattern, const mesh::Topology& topology,

    const std::array<const std::reference_wrapper<const DofMap>, 2>& dofmaps);


void cells(

    la::SparsityPattern& pattern, const std::span<const std::int32_t>& cells,

    const std::array<const std::reference_wrapper<const DofMap>, 2>& dofmaps);


void interior_facets(

    la::SparsityPattern& pattern, const mesh::Topology& topology,

    const std::array<const std::reference_wrapper<const DofMap>, 2>& dofmaps);


void interior_facets(

    la::SparsityPattern& pattern, const std::span<const std::int32_t>& facets,

    const std::array<const std::reference_wrapper<const DofMap>, 2>& dofmaps);


void exterior_facets(

    la::SparsityPattern& pattern, const mesh::Topology& topology,

    const std::array<const std::reference_wrapper<const DofMap>, 2>& dofmaps);


void exterior_facets(

    la::SparsityPattern& pattern, const std::span<const std::int32_t>& facets,

    const std::array<const std::reference_wrapper<const DofMap>, 2>& dofmaps);


} // namespace sparsitybuild

} // namespace dolfinx::fem

dolfinx::la::SparsityPattern
This class provides a sparsity pattern data structure that can be used to initialize sparse matrices....
Definition: SparsityPattern.h:34

dolfinx::mesh::Topology
Topology stores the topology of a mesh, consisting of mesh entities and connectivity (incidence relat...
Definition: Topology.h:43

dolfinx::fem::sparsitybuild::interior_facets
void interior_facets(la::SparsityPattern &pattern, const mesh::Topology &topology, const std::array< const std::reference_wrapper< const DofMap >, 2 > &dofmaps)
Iterate over interior facets and insert entries into sparsity pattern.
Definition: sparsitybuild.cpp:43

dolfinx::fem::sparsitybuild::cells
void cells(la::SparsityPattern &pattern, const mesh::Topology &topology, const std::array< const std::reference_wrapper< const DofMap >, 2 > &dofmaps)
Iterate over cells and insert entries into sparsity pattern.
Definition: sparsitybuild.cpp:18

dolfinx::fem::sparsitybuild::exterior_facets
void exterior_facets(la::SparsityPattern &pattern, const mesh::Topology &topology, const std::array< const std::reference_wrapper< const DofMap >, 2 > &dofmaps)
Iterate over exterior facets and insert entries into sparsity pattern.
Definition: sparsitybuild.cpp:112

dolfinx::fem
Finite element method functionality.
Definition: assemble_matrix_impl.h:25

dolfinx::la
Linear algebra interface.
Definition: sparsitybuild.h:15

dolfinx::mesh
Mesh data structures and algorithms on meshes.
Definition: DofMap.h:31