/usr/include/dolfin/function/SpecialFunctions.h is in libdolfin1.0-dev 1.0.0-1.
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 | // Copyright (C) 2006-2011 Anders Logg
//
// 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/>.
//
// Modified by Kristian B. Oelgaard 2007
// Modified by Martin Sandve Alnes 2008
// Modified by Garth N. Wells 2008
//
// First added: 2006-02-09
// Last changed: 2011-11-16
#ifndef __SPECIAL_FUNCTIONS_H
#define __SPECIAL_FUNCTIONS_H
#include <dolfin/log/Event.h>
#include <dolfin/common/Array.h>
#include "Expression.h"
namespace dolfin
{
class Mesh;
/// This Function represents the mesh coordinates on a given mesh.
class MeshCoordinates : public Expression
{
public:
/// Constructor
MeshCoordinates(const Mesh& mesh);
/// Evaluate function
void eval(Array<double>& values,
const Array<double>& x,
const ufc::cell& cell) const;
private:
// The mesh
const Mesh& mesh;
};
/// This function represents the area/length of a cell facet on a given mesh.
class FacetArea : public Expression
{
public:
/// Constructor
FacetArea(const Mesh& mesh);
/// Evaluate function
void eval(Array<double>& values,
const Array<double>& x,
const ufc::cell& cell) const;
private:
// The mesh
const Mesh& mesh;
// Warning when evaluating on cells
mutable Event not_on_boundary;
};
}
#endif
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