MOAB: Mesh Oriented datABase  (version 5.2.1)
AWMetricNonBarrier.hpp
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00001 /* *****************************************************************
00002     MESQUITE -- The Mesh Quality Improvement Toolkit
00003 
00004     Copyright 2006 Sandia National Laboratories.  Developed at the
00005     University of Wisconsin--Madison under SNL contract number
00006     624796.  The U.S. Government and the University of Wisconsin
00007     retain certain rights to this software.
00008 
00009     This library is free software; you can redistribute it and/or
00010     modify it under the terms of the GNU Lesser General Public
00011     License as published by the Free Software Foundation; either
00012     version 2.1 of the License, or (at your option) any later version.
00013 
00014     This library is distributed in the hope that it will be useful,
00015     but WITHOUT ANY WARRANTY; without even the implied warranty of
00016     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00017     Lesser General Public License for more details.
00018 
00019     You should have received a copy of the GNU Lesser General Public License
00020     (lgpl.txt) along with this library; if not, write to the Free Software
00021     Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
00022 
00023     (2006) kraftche@cae.wisc.edu
00024 
00025   ***************************************************************** */
00026 
00027 /** \file AWMetricNonBarrier.hpp
00028  *  \brief
00029  *  \author Boyd Tidwell
00030  */
00031 
00032 #ifndef MSQ_AW_METRIC_NON_BARRIER_HPP
00033 #define MSQ_AW_METRIC_NON_BARRIER_HPP
00034 
00035 #include "Mesquite.hpp"
00036 #include "AWMetric.hpp"
00037 #include <string>
00038 
00039 namespace MBMesquite
00040 {
00041 
00042 class MsqError;
00043 template < unsigned R, unsigned C >
00044 class MsqMatrix;
00045 
00046 /**\brief The parent class for all AWMetricNonBarrier sub-classes
00047  *
00048  */
00049 class AWMetricNonBarrier : public AWMetric
00050 {
00051   public:
00052     MESQUITE_EXPORT virtual ~AWMetricNonBarrier();
00053 
00054     MESQUITE_EXPORT virtual std::string get_name() const
00055     {
00056         return "AWMetricNonBarrier";
00057     }
00058 
00059     static inline bool invalid_determinant( double d )
00060     {
00061         return d < 1e-12;
00062     }
00063 };
00064 
00065 class AWMetricNonBarrier2D : public AWMetricNonBarrier
00066 {
00067   public:
00068     MESQUITE_EXPORT virtual ~AWMetricNonBarrier2D();
00069 
00070     /**\brief Evaluate \f$\mu(A,W)\f$
00071      *
00072      * This method always returns an error for 2D-only metrics
00073      */
00074     MESQUITE_EXPORT virtual bool evaluate( const MsqMatrix< 3, 3 >& A, const MsqMatrix< 3, 3 >& W, double& result,
00075                                            MsqError& err );
00076 };
00077 
00078 class AWMetricNonBarrier3D : public AWMetricNonBarrier
00079 {
00080   public:
00081     MESQUITE_EXPORT virtual ~AWMetricNonBarrier3D();
00082 
00083     /**\brief Evaluate \f$\mu(A,W)\f$
00084      *
00085      * This method always returns an error for 3D-only metrics
00086      */
00087     MESQUITE_EXPORT virtual bool evaluate( const MsqMatrix< 2, 2 >& A, const MsqMatrix< 2, 2 >& W, double& result,
00088                                            MsqError& err );
00089 };
00090 
00091 }  // namespace MBMesquite
00092 
00093 #endif
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