/* *****************************************************************
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) [email protected]
***************************************************************** */
/** \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 MBMesquite
{
class PatchDataVerticesMemento;
class TrustRegion : public VertexMover, public PatchSetUser
{
public:
MESQUITE_EXPORT TrustRegion( ObjectiveFunction* of );<--- Class 'TrustRegion' has a constructor with 1 argument that is not explicit. [+]Class 'TrustRegion' has a constructor with 1 argument that is not explicit. Such constructors should in general be explicit for type safety reasons. Using the explicit keyword in the constructor means some mistakes when using the class can be avoided.
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 MBMesquite
#endif