InvTransBarrier.hpp

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

    Copyright 2006 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

    (2006) [email protected]

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

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

#ifndef MSQ_INV_TRANS_BARRIER_HPP
#define MSQ_INV_TRANS_BARRIER_HPP

#include "Mesquite.hpp"
#include "TMetricBarrier.hpp"

namespace MBMesquite
{

/** Make a non-barrier metric into a barrier metric by passing it T^-t */
class InvTransBarrier : public TMetricBarrier
{
  public:
    InvTransBarrier( TMetric* metric ) : metricPtr( metric ) {}

    MESQUITE_EXPORT virtual ~InvTransBarrier();

    MESQUITE_EXPORT virtual std::string get_name() const;

    MESQUITE_EXPORT virtual bool evaluate( const MsqMatrix< 2, 2 >& T, double& result, MsqError& err );

    MESQUITE_EXPORT virtual bool evaluate( const MsqMatrix< 3, 3 >& T, double& result, MsqError& err );

  private:
    TMetric* metricPtr;
};

}  // namespace MBMesquite

#endif