/usr/include/dolfin/fem/MultiMeshForm.h is in libdolfin-dev 2016.2.0-2.
This file is owned by root:root, with mode 0o644.
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//
// 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: 2013-09-12
// Last changed: 2016-03-02
#ifndef __MULTI_MESH_FORM_H
#define __MULTI_MESH_FORM_H
#include <vector>
#include <memory>
namespace dolfin
{
// Forward declarations
class MultiMeshFunctionSpace;
class MultiMesh;
class Form;
/// This class represents a variational form on a cut and composite
/// finite element function space (MultiMesh) defined on one or more
/// possibly intersecting meshes.
class MultiMeshForm
{
public:
// FIXME: Test multimesh functionals. Should likely require a multimesh
// when instaniated and this constructor should then be removed.
MultiMeshForm() {}
/// Create empty multimesh functional
MultiMeshForm(std::shared_ptr<const MultiMesh> multimesh);
/// Create empty linear multimesh variational form
MultiMeshForm(std::shared_ptr<const MultiMeshFunctionSpace> function_space);
/// Create empty bilinear multimesh variational form
MultiMeshForm(std::shared_ptr<const MultiMeshFunctionSpace> function_space_0,
std::shared_ptr<const MultiMeshFunctionSpace> function_space_1);
/// Destructor
~MultiMeshForm();
/// Return rank of form (bilinear form = 2, linear form = 1,
/// functional = 0, etc)
///
/// *Returns*
/// std::size_t
/// The rank of the form.
std::size_t rank() const;
/// Return the number of forms (parts) of the MultiMesh form
///
/// *Returns*
/// std::size_t
/// The number of forms (parts) of the MultiMesh form.
std::size_t num_parts() const;
/// Extract common multimesh from form
///
/// *Returns*
/// _MultiMesh_
/// The mesh.
std::shared_ptr<const MultiMesh> multimesh() const;
/// Return form (part) number i
///
/// *Returns*
/// _Form_
/// Form (part) number i.
std::shared_ptr<const Form> part(std::size_t i) const;
/// Return function space for given argument
///
/// *Arguments*
/// i (std::size_t)
/// Index
///
/// *Returns*
/// _MultiMeshFunctionSpace_
/// Function space shared pointer.
std::shared_ptr<const MultiMeshFunctionSpace> function_space(std::size_t i) const;
/// Add form (shared pointer version)
///
/// *Arguments*
/// form (_Form_)
/// The form.
void add(std::shared_ptr<const Form> form);
/// Build MultiMesh form
void build();
/// Clear MultiMesh form
void clear();
private:
// The rank of the form
std::size_t _rank;
// Multimesh
std::shared_ptr<const MultiMesh> _multimesh;
// Function spaces (one for each argument)
std::vector<std::shared_ptr<const MultiMeshFunctionSpace>> _function_spaces;
// List of forms (one for each part)
std::vector<std::shared_ptr<const Form>> _forms;
};
}
#endif
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