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

    Copyright 2006 Lawrence Livermore National Laboratory.  Under
    the terms of Contract B545069 with the University of Wisconsin --
    Madison, Lawrence Livermore National Laboratory 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

    (2006) [email protected]

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

/** \file ScalarAddQualityMetric.hpp
 *  \brief
 *  \author Jason Kraftcheck
 */

#ifndef MSQ_SCALAR_ADD_QUALITY_METRIC_HPP
#define MSQ_SCALAR_ADD_QUALITY_METRIC_HPP

#include "Mesquite.hpp"
#include "QualityMetric.hpp"

namespace MBMesquite
{

/**\brief Offset a quality metric by a scalar value */
class ScalarAddQualityMetric : public QualityMetric
{
  public:
    ScalarAddQualityMetric( QualityMetric* metric, double offset ) : mMetric( metric ), mOffset( offset ) {}

    ~ScalarAddQualityMetric() {}

    MetricType get_metric_type() const<--- Function in derived class
    {
        return mMetric->get_metric_type();
    }

    std::string get_name() const;<--- Function in derived class

    int get_negate_flag() const<--- Function in derived class
    {
        return mMetric->get_negate_flag();
    }

    void get_evaluations( PatchData& pd, std::vector< size_t >& handles, bool free_vertices_only, MsqError& err );<--- Function in derived class

    bool evaluate( PatchData& pd, size_t handle, double& value, MsqError& err );<--- Function in derived class

    bool evaluate_with_indices( PatchData& pd,<--- Function in derived class
                                size_t handle,
                                double& value,
                                std::vector< size_t >& indices,
                                MsqError& err );

    bool evaluate_with_gradient( PatchData& pd,<--- Function in derived class
                                 size_t handle,
                                 double& value,
                                 std::vector< size_t >& indices,
                                 std::vector< Vector3D >& gradient,
                                 MsqError& err );

    bool evaluate_with_Hessian( PatchData& pd,<--- Function in derived class
                                size_t handle,
                                double& value,
                                std::vector< size_t >& indices,
                                std::vector< Vector3D >& gradient,
                                std::vector< Matrix3D >& Hessian,
                                MsqError& err );

  private:
    QualityMetric* mMetric;
    double mOffset;
};

}  // namespace MBMesquite

#endif