/usr/include/libmesh/cell_inf.h is in libmesh-dev 0.7.1-2ubuntu1.
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 | // $Id: cell_inf.h 3874 2010-07-02 21:57:26Z roystgnr $
// The libMesh Finite Element Library.
// Copyright (C) 2002-2008 Benjamin S. Kirk, John W. Peterson, Roy H. Stogner
// This library 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 2.1 of the License, or (at your option) any later version.
// This library 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 this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#ifndef __cell_inf_h__
#define __cell_inf_h__
// C++ includes
// Local includes
#include "libmesh_config.h"
#ifdef LIBMESH_ENABLE_INFINITE_ELEMENTS
#include "elem.h"
namespace libMesh
{
/**
* The \p InfCell is an abstract element type that lives in
* three dimensions. An infinite cell could be an infinite hexahedron,
* or an infinite prism.
*/
// ------------------------------------------------------------
// InfCell class definition
class InfCell : public Elem
{
public:
/**
* Constructor.
*/
InfCell (const unsigned int nn,
const unsigned int ns,
Elem* p) :
Elem (nn, ns, p)
{}
/**
* @returns 3, the dimensionality of the object.
*/
unsigned int dim () const { return 3; }
/**
* @returns \p true. All classes derived from \p InfCell
* are infinite elements.
*/
bool infinite () const { return true; }
/**
* @returns the origin of this infinite element.
*/
Point origin () const;
};
// ------------------------------------------------------------
// InfCell inline functions
inline
Point InfCell::origin () const
{
return ( this->point(0)*2 - this->point( this->n_vertices()/2 ) );
}
} // namespace libMesh
#endif // ifdef LIBMESH_ENABLE_INFINITE_ELEMENTS
#endif
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