/usr/include/libmesh/patch.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 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 | // $Id: patch.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 __patch_h__
#define __patch_h__
// C++ includes
#include <vector>
#include <string>
#include <set>
namespace libMesh
{
// Forward Declarations
class Elem;
/**
* This class implements useful utility functions for a patch of
* elements
*
* @author Roy H. Stogner, 2007.
* based on code by Varis Carey, Benjamin S. Kirk, 2004.
*/
class Patch : public std::set<const Elem *>
{
public:
/**
* Constructor.
*/
Patch() {}
/**
* Destructor.
*/
~Patch() {}
/**
* This function finds all elements which touch the current patch at
* a face, and adds them to the patch.
*/
void add_face_neighbors();
/**
* This function finds all elements on the current processor which
* touch the current patch at a face, and adds them to the patch.
*/
void add_local_face_neighbors();
/**
* This function finds all elements which touch the current patch at
* any point, and adds them to the patch.
*/
void add_point_neighbors();
/**
* This function finds all elements on the current processor which
* touch the current patch at any point, and adds them to the patch.
*/
void add_local_point_neighbors();
/**
* Pointer to Member Function typedef
*/
typedef void (Patch::*PMF)();
/**
* Erases any elements in the current patch, then builds a new patch
* containing element \p elem by repeated addition of neighbors on
* the current processor. This procedure is repeated until the
* number of elements meets or exceeds \p target_patch_size, or
* until the patch has no more local neighbors.
*/
void build_around_element(const Elem* elem,
const unsigned int target_patch_size = 10,
PMF patchtype = &Patch::add_local_face_neighbors);
protected:
/**
* This function finds all elements which
* touch the current patch at a face
*/
void find_face_neighbors(std::set<const Elem *> &neighbor_set);
/**
* This function finds all elements which
* touch the current patch at any point
*/
void find_point_neighbors(std::set<const Elem *> &neighbor_set);
};
} // namespace libMesh
#endif // #define __patch_h__
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