/usr/include/trilinos/SteepestDescent.hpp is in libtrilinos-dev 10.4.0.dfsg-1ubuntu2.
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 | /* *****************************************************************
MESQUITE -- The Mesh Quality Improvement Toolkit
Copyright 2004 Sandia Corporation and Argonne National
Laboratory. Under the terms of Contract DE-AC04-94AL85000
with Sandia Corporation, the U.S. Government retains certain
rights in this software.
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
(lgpl.txt) along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
diachin2@llnl.gov, djmelan@sandia.gov, mbrewer@sandia.gov,
pknupp@sandia.gov, tleurent@mcs.anl.gov, tmunson@mcs.anl.gov
***************************************************************** */
/*!
\file SteepestDescent.hpp
\brief
The SteepestDescent Class implements the steepest descent algorythm in
order to move a free vertex to an optimal position given an
ObjectiveFunction object and a QaulityMetric object.
\author Thomas Leurent
\date 2002-06-13
*/
#ifndef Mesquite_SteepestDescent_hpp
#define Mesquite_SteepestDescent_hpp
#include "Mesquite.hpp"
#include "VertexMover.hpp"
#include "PatchSetUser.hpp"
namespace MESQUITE_NS
{
class ObjectiveFunction;
/*! \class SteepestDescent
This is a very basic implementation of the steepest descent optimization algorythm.
It works on patches of any size but the step size is hard-wired.
Obvisouly, this is for testing purposed only. */
class SteepestDescent : public VertexMover, public PatchSetUser
{
public:
MESQUITE_EXPORT
SteepestDescent(ObjectiveFunction* of, bool Nash = true);
MESQUITE_EXPORT virtual
~SteepestDescent() { }
MESQUITE_EXPORT virtual
std::string get_name() const;
MESQUITE_EXPORT virtual
PatchSet* get_patch_set();
MESQUITE_EXPORT
bool project_gradient() const
{ return projectGradient; }
MESQUITE_EXPORT
void project_gradient( bool yesno )
{ projectGradient = yesno; }
//bool cosine_projection_step() const
// { return cosineStep; }
//
//void cosine_projection_step( bool yesno )
// { cosineStep = yesno; }
protected:
MESQUITE_EXPORT virtual
void initialize( PatchData &pd, MsqError &err );
MESQUITE_EXPORT virtual
void optimize_vertex_positions( PatchData &pd, MsqError &err );
MESQUITE_EXPORT virtual
void initialize_mesh_iteration( PatchData &pd, MsqError &err );
MESQUITE_EXPORT virtual
void terminate_mesh_iteration( PatchData &pd, MsqError &err );
MESQUITE_EXPORT virtual
void cleanup();
private:
bool projectGradient;
//bool cosineStep;
};
}
#endif
|