/usr/include/trilinos/TrustRegion.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 | /* *****************************************************************
MESQUITE -- The Mesh Quality Improvement Toolkit
Copyright 2007 Sandia National Laboratories. Developed at the
University of Wisconsin--Madison under SNL contract number
624796. The U.S. Government and the University of Wisconsin
retain certain rights to 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
(2008) kraftche@cae.wisc.edu
***************************************************************** */
/** \file TrustRegion.hpp
* \brief Port Todd Munson's trust region solver to Mesquite
* \author Jason Kraftcheck
*/
#ifndef MSQ_TRUST_REGION_HPP
#define MSQ_TRUST_REGION_HPP
#include "Mesquite.hpp"
#include "VertexMover.hpp"
#include "PatchSetUser.hpp"
#include "MsqHessian.hpp"
namespace MESQUITE_NS {
class PatchDataVerticesMemento;
class TrustRegion : public VertexMover, public PatchSetUser
{
public:
MESQUITE_EXPORT TrustRegion( ObjectiveFunction* of, bool Nash = true );
MESQUITE_EXPORT virtual ~TrustRegion();
PatchSet* get_patch_set();
MESQUITE_EXPORT std::string get_name() const;
protected:
virtual void initialize( PatchData& pd, MsqError& err );
virtual void optimize_vertex_positions( PatchData& pd, MsqError& err );
virtual void initialize_mesh_iteration( PatchData& pd, MsqError& err );
virtual void terminate_mesh_iteration( PatchData& pd, MsqError& err );
virtual void cleanup();
private:
void compute_preconditioner( MsqError& err );
void apply_preconditioner( Vector3D* z, Vector3D* r, MsqError& err );
PatchDataVerticesMemento* mMemento;
MsqHessian mHess;
std::vector<Vector3D> mGrad;
std::vector<Vector3D> wVect, zVect, dVect, pVect, rVect;
std::vector<double> preCond;
};
} // namespace Mesquite
#endif
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