LCOV - code coverage report
Current view: top level - src/mesquite/TargetMetric/ShapeOrient - TShapeOrientNB2.cpp (source / functions) Hit Total Coverage
Test: coverage_sk.info Lines: 0 26 0.0 %
Date: 2020-07-18 00:09:26 Functions: 0 14 0.0 %
Branches: 0 8 0.0 %

           Branch data     Line data    Source code
       1                 :            : /* *****************************************************************
       2                 :            :     MESQUITE -- The Mesh Quality Improvement Toolkit
       3                 :            : 
       4                 :            :     Copyright 2006 Sandia National Laboratories.  Developed at the
       5                 :            :     University of Wisconsin--Madison under SNL contract number
       6                 :            :     624796.  The U.S. Government and the University of Wisconsin
       7                 :            :     retain certain rights to this software.
       8                 :            : 
       9                 :            :     This library is free software; you can redistribute it and/or
      10                 :            :     modify it under the terms of the GNU Lesser General Public
      11                 :            :     License as published by the Free Software Foundation; either
      12                 :            :     version 2.1 of the License, or (at your option) any later version.
      13                 :            : 
      14                 :            :     This library is distributed in the hope that it will be useful,
      15                 :            :     but WITHOUT ANY WARRANTY; without even the implied warranty of
      16                 :            :     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      17                 :            :     Lesser General Public License for more details.
      18                 :            : 
      19                 :            :     You should have received a copy of the GNU Lesser General Public License
      20                 :            :     (lgpl.txt) along with this library; if not, write to the Free Software
      21                 :            :     Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
      22                 :            : 
      23                 :            :     (2006) [email protected]
      24                 :            : 
      25                 :            :   ***************************************************************** */
      26                 :            : 
      27                 :            : /** \file TShapeOrientNB2.cpp
      28                 :            :  *  \brief
      29                 :            :  *  \author Jason Kraftcheck
      30                 :            :  */
      31                 :            : 
      32                 :            : #include "Mesquite.hpp"
      33                 :            : #include "TShapeOrientNB2.hpp"
      34                 :            : #include "MsqMatrix.hpp"
      35                 :            : #include "TMPDerivs.hpp"
      36                 :            : #include "TMPCommon.hpp"
      37                 :            : 
      38                 :            : namespace MBMesquite
      39                 :            : {
      40                 :            : 
      41                 :          0 : std::string TShapeOrientNB2::get_name() const
      42                 :            : {
      43         [ #  # ]:          0 :     return "TShapeOrientNB2";
      44                 :            : }
      45                 :            : 
      46         [ #  # ]:          0 : TShapeOrientNB2::~TShapeOrientNB2() {}
      47                 :            : 
      48                 :            : template < unsigned DIM >
      49                 :          0 : static inline bool eval( const MsqMatrix< DIM, DIM >& T, double& result )
      50                 :            : {
      51                 :          0 :     const double tr = trace( T );
      52                 :          0 :     result          = sqr_Frobenius( T ) - DimConst< DIM >::inv() * tr * fabs( tr );
      53                 :          0 :     return true;
      54                 :            : }
      55                 :            : 
      56                 :            : template < unsigned DIM >
      57                 :          0 : static inline bool grad( const MsqMatrix< DIM, DIM >& T, double& result, MsqMatrix< DIM, DIM >& deriv_wrt_T )
      58                 :            : {
      59                 :          0 :     const double tr = trace( T );
      60                 :          0 :     const double f  = DimConst< DIM >::inv() * fabs( tr );
      61                 :          0 :     result          = sqr_Frobenius( T ) - f * tr;
      62                 :          0 :     deriv_wrt_T     = T;
      63                 :          0 :     pluseq_scaled_I( deriv_wrt_T, -f );
      64                 :          0 :     deriv_wrt_T *= 2;
      65                 :          0 :     return true;
      66                 :            : }
      67                 :            : 
      68                 :            : template < unsigned DIM >
      69                 :          0 : static inline bool hess( const MsqMatrix< DIM, DIM >& T, double& result, MsqMatrix< DIM, DIM >& deriv_wrt_T,
      70                 :            :                          MsqMatrix< DIM, DIM >* second_wrt_T )
      71                 :            : {
      72                 :          0 :     const double tr = trace( T );
      73                 :          0 :     const double f  = DimConst< DIM >::inv() * fabs( tr );
      74                 :          0 :     result          = sqr_Frobenius( T ) - f * tr;
      75                 :          0 :     deriv_wrt_T     = T;
      76                 :          0 :     pluseq_scaled_I( deriv_wrt_T, -f );
      77                 :          0 :     deriv_wrt_T *= 2;
      78                 :          0 :     set_scaled_I( second_wrt_T, 2.0 );
      79 [ #  # ][ #  # ]:          0 :     pluseq_scaled_outer_product_I_I( second_wrt_T, DimConst< DIM >::inv() * ( tr < 0 ? 2 : -2 ) );
      80                 :          0 :     return true;
      81                 :            : }
      82                 :            : 
      83                 :          0 : TMP_T_TEMPL_IMPL_COMMON( TShapeOrientNB2 )
      84                 :            : 
      85                 :            : }  // namespace MBMesquite

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