DOLFIN
DOLFIN C++ interface
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SpecialFunctions.h
1// Copyright (C) 2006-2011 Anders Logg
2//
3// This file is part of DOLFIN.
4//
5// DOLFIN is free software: you can redistribute it and/or modify
6// it under the terms of the GNU Lesser General Public License as published by
7// the Free Software Foundation, either version 3 of the License, or
8// (at your option) any later version.
9//
10// DOLFIN is distributed in the hope that it will be useful,
11// but WITHOUT ANY WARRANTY; without even the implied warranty of
12// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13// GNU Lesser General Public License for more details.
14//
15// You should have received a copy of the GNU Lesser General Public License
16// along with DOLFIN. If not, see <http://www.gnu.org/licenses/>.
17//
18// Modified by Kristian B. Oelgaard 2007
19// Modified by Martin Sandve Alnes 2008
20// Modified by Garth N. Wells 2008
21//
22// First added: 2006-02-09
23// Last changed: 2011-11-16
24
25#ifndef __SPECIAL_FUNCTIONS_H
26#define __SPECIAL_FUNCTIONS_H
27
28#include <memory>
29#include <dolfin/log/Event.h>
30#include <dolfin/common/Array.h>
31#include "Expression.h"
32
33namespace dolfin
34{
35
36 class Mesh;
37
40 {
41 public:
42
44 explicit MeshCoordinates(std::shared_ptr<const Mesh> mesh);
45
47 void eval(Array<double>& values, const Array<double>& x,
48 const ufc::cell& cell) const;
49
50 private:
51
52 // The mesh
53 std::shared_ptr<const Mesh> _mesh;
54
55 };
56
59 class FacetArea : public Expression
60 {
61 public:
62
64 explicit FacetArea(std::shared_ptr<const Mesh> mesh);
65
67 void eval(Array<double>& values,
68 const Array<double>& x,
69 const ufc::cell& cell) const;
70
71 private:
72
73 // The mesh
74 std::shared_ptr<const Mesh> _mesh;
75
76 // Warning when evaluating on cells
77 mutable Event not_on_boundary;
78
79 };
80
81}
82
83#endif
Definition Array.h:42
Definition Event.h:47
Definition Expression.h:50
Definition SpecialFunctions.h:60
void eval(Array< double > &values, const Array< double > &x, const ufc::cell &cell) const
Evaluate function.
Definition SpecialFunctions.cpp:58
This Function represents the mesh coordinates on a given mesh.
Definition SpecialFunctions.h:40
void eval(Array< double > &values, const Array< double > &x, const ufc::cell &cell) const
Evaluate function.
Definition SpecialFunctions.cpp:39
Definition adapt.h:30