MOAB: Mesh Oriented datABase  (version 5.4.0)
AWUntangleBeta.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     (2010) kraftche@cae.wisc.edu
00024 
00025   ***************************************************************** */
00026 
00027 /** \file AWUntangleBeta.hpp
00028  *  \brief
00029  *  \author Jason Kraftcheck
00030  */
00031 
00032 #ifndef MSQ_AW_UNTANGLE_BETA_HPP
00033 #define MSQ_AW_UNTANGLE_BETA_HPP
00034 
00035 #include "Mesquite.hpp"
00036 #include "AWMetric.hpp"
00037 
00038 namespace MBMesquite
00039 {
00040 
00041 /** \f$ \left\{ |\alpha - \gamma \, \omega| - ( \alpha - \gamma \, \omega ) \right\}^p \f$ */
00042 class AWUntangleBeta : public AWMetric
00043 {
00044   private:
00045     double mGamma;
00046 
00047   public:
00048     MESQUITE_EXPORT
00049     AWUntangleBeta( double gamma = 0.5 ) : mGamma( gamma ) {}
00050 
00051     MESQUITE_EXPORT virtual ~AWUntangleBeta();
00052 
00053     MESQUITE_EXPORT virtual std::string get_name() const;
00054 
00055     MESQUITE_EXPORT virtual bool evaluate( const MsqMatrix< 2, 2 >& A,
00056                                            const MsqMatrix< 2, 2 >& W,
00057                                            double& result,
00058                                            MsqError& err );
00059 
00060     MESQUITE_EXPORT virtual bool evaluate( const MsqMatrix< 3, 3 >& A,
00061                                            const MsqMatrix< 3, 3 >& W,
00062                                            double& result,
00063                                            MsqError& err );
00064 
00065     MESQUITE_EXPORT virtual bool evaluate_with_grad( const MsqMatrix< 2, 2 >& A,
00066                                                      const MsqMatrix< 2, 2 >& W,
00067                                                      double& result,
00068                                                      MsqMatrix< 2, 2 >& deriv_wrt_A,
00069                                                      MsqError& err );
00070 
00071     MESQUITE_EXPORT virtual bool evaluate_with_grad( const MsqMatrix< 3, 3 >& A,
00072                                                      const MsqMatrix< 3, 3 >& W,
00073                                                      double& result,
00074                                                      MsqMatrix< 3, 3 >& deriv_wrt_A,
00075                                                      MsqError& err );
00076     /*
00077       MESQUITE_EXPORT virtual
00078       bool evaluate_with_hess( const MsqMatrix<2,2>& A,
00079                                const MsqMatrix<2,2>& W,
00080                                double& result,
00081                                MsqMatrix<2,2>& deriv_wrt_A,
00082                                MsqMatrix<2,2> second_wrt_A[3],
00083                                MsqError& err );
00084 
00085       MESQUITE_EXPORT virtual
00086       bool evaluate_with_hess( const MsqMatrix<3,3>& A,
00087                                const MsqMatrix<3,3>& W,
00088                                double& result,
00089                                MsqMatrix<3,3>& deriv_wrt_A,
00090                                MsqMatrix<3,3> second_wrt_A[6],
00091                                MsqError& err );
00092     */
00093 
00094   private:
00095     template < unsigned D >
00096     inline bool eval( const MsqMatrix< D, D >& A, const MsqMatrix< D, D >& W, double& result );
00097     template < unsigned D >
00098     inline bool grad( const MsqMatrix< D, D >& A,
00099                       const MsqMatrix< D, D >& W,
00100                       double& result,
00101                       MsqMatrix< D, D >& first );
00102     //  template <unsigned D> inline
00103     //  bool hess( const MsqMatrix<D,D>& T, double& result, MsqMatrix<D,D>& first, MsqMatrix<D,D>*
00104     //  second );
00105 };
00106 
00107 }  // namespace MBMesquite
00108 
00109 #endif
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