/usr/include/trilinos/ConjugateGradient.hpp is in libtrilinos-dev 10.4.0.dfsg-1ubuntu2.
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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 | /* *****************************************************************
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 ConjugateGradient.hpp
\brief
Conjugate Gradient minimization method ...
\author Michael Brewer
\date 2002-06/19
*/
#ifndef Mesquite_ConjugateGradient_hpp
#define Mesquite_ConjugateGradient_hpp
#include "Mesquite.hpp"
#include "VertexMover.hpp"
#include "PatchData.hpp"
#include "PatchSetUser.hpp"
namespace MESQUITE_NS
{
class ObjectiveFunction;
/*! \class ConjugateGradient
\brief Optimizes the objective function using the Polack-Ribiere scheme.
*/
class ConjugateGradient : public VertexMover, public PatchSetUser
{
public:
MESQUITE_EXPORT ConjugateGradient(ObjectiveFunction* objective,
bool Nash = true);
MESQUITE_EXPORT ConjugateGradient(ObjectiveFunction* objective,
MsqError &err);
MESQUITE_EXPORT virtual ~ConjugateGradient();
MESQUITE_EXPORT virtual std::string get_name() const;
virtual PatchSet* get_patch_set();
//!Just for debugging purposes or for obtaining more data
//! during the optimization process.
MESQUITE_EXPORT void set_debugging_level(int new_lev)
{
conjGradDebug=new_lev;
}
protected:
//!Initialize data for smoothing process
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);
//!Delete arrays initially created in initialize().
virtual void cleanup();
//!Returns the step distance to take in the search direction.
double get_step(PatchData &pd, double f0,int &j, MsqError &err);
//!Culls the vertex list free_vertex_list.
//void cull_list(PatchData &pd, double beta, MsqError &err);
private:
std::vector<Vector3D> fGrad, pGrad, fNewGrad;
PatchDataVerticesMemento* pMemento;
//just for debugging
int conjGradDebug;
};
}
#endif
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