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/* *****************************************************************
    MESQUITE -- The Mesh Quality Improvement Toolkit

    Copyright 2010 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

    (2011) [email protected]

  ***************************************************************** */

/** \file LaplaceWrapper.hpp
 *  \brief Define LaplaceWrapper class
 *  \author Jason Kraftcheck
 */

#ifndef MSQ_LAPLACE_WRAPPER_HPP
#define MSQ_LAPLACE_WRAPPER_HPP

#include "Wrapper.hpp"

namespace MBMesquite
{

class LaplaceWrapper : public Wrapper
{
  public:
    MESQUITE_EXPORT
    LaplaceWrapper();

    /**\brief Specify timeout after which untangler will exit
     *
     *  Specify a value less than or equal to zero for no limit
     */
    void set_cpu_time_limit( double seconds )
    {
        maxTime = seconds;
    }
    double get_cpu_time_limit() const
    {
        return maxTime;
    }

    /**\brief Specify factor by which to minimum distance a vertex must
     *        move in an iteration to avoid termination of the untangler
     *
     *  Specify a value less than or equal to zero for no limit.
     *\NOTE Culling cannot be done w/out a limit on vertex movement
     */
    void set_vertex_movement_limit_factor( double f )
    {
        movementFactor = f;
    }
    double get_vertex_movement_limit_factor() const
    {
        return movementFactor;
    }

    /**\brief Specify maximum number of iterations.
     *
     * Specify a value less than or equal to zero for no limit
     */
    void set_iteration_limit( int limit )
    {
        iterationLimit = limit;
    }
    int get_iteration_limit() const
    {
        return iterationLimit;
    }

    /**\brief Cull vertices based on movement limit */
    inline void enable_culling( bool yesno )
    {
        doCulling = yesno;
    }
    inline bool is_culling_enabled() const
    {
        return doCulling;
    }

    MESQUITE_EXPORT
    ~LaplaceWrapper();

  protected:
    MESQUITE_EXPORT
    void run_wrapper( MeshDomainAssoc* mesh_and_domain,<--- Function in derived class
                      ParallelMesh* pmesh,
                      Settings* settings,
                      QualityAssessor* qa,
                      MsqError& err );

  private:
    double maxTime, movementFactor;
    int iterationLimit;
    bool doCulling;
};

}  // namespace MBMesquite

#endif