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       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 InvTransBarrier.cpp
      28                 :            :  *  \brief
      29                 :            :  *  \author Jason Kraftcheck
      30                 :            :  */
      31                 :            : 
      32                 :            : #include "Mesquite.hpp"
      33                 :            : #include "InvTransBarrier.hpp"
      34                 :            : #include "MsqMatrix.hpp"
      35                 :            : #include "MsqError.hpp"
      36                 :            : 
      37                 :            : namespace MBMesquite
      38                 :            : {
      39                 :            : 
      40                 :          0 : std::string InvTransBarrier::get_name() const
      41                 :            : {
      42         [ #  # ]:          0 :     return "InvTransBarrier";
      43                 :            : }
      44                 :            : 
      45         [ -  + ]:         12 : InvTransBarrier::~InvTransBarrier() {}
      46                 :            : 
      47                 :     606390 : bool InvTransBarrier::evaluate( const MsqMatrix< 2, 2 >& T, double& result, MsqError& err )
      48                 :            : {
      49         [ +  - ]:     606390 :     double tau = det( T );
      50 [ +  - ][ +  + ]:     606390 :     if( invalid_determinant( tau ) )
      51                 :            :     {
      52 [ +  - ][ +  - ]:         38 :         MSQ_SETERR( err )( barrier_violated_msg, MsqError::BARRIER_VIOLATED );
      53                 :         38 :         return false;
      54                 :            :     }
      55         [ +  - ]:     606352 :     MsqMatrix< 2, 2 > Tp = transpose_adj( T );
      56         [ +  - ]:     606352 :     Tp *= 1.0 / tau;
      57         [ +  - ]:     606352 :     bool rval = metricPtr->evaluate( Tp, result, err );
      58 [ +  - ][ -  + ]:     606390 :     return !MSQ_CHKERR( err ) && rval;
         [ #  # ][ #  # ]
                 [ +  - ]
      59                 :            : }
      60                 :            : 
      61                 :          0 : bool InvTransBarrier::evaluate( const MsqMatrix< 3, 3 >& T, double& result, MsqError& err )
      62                 :            : {
      63         [ #  # ]:          0 :     double tau = det( T );
      64 [ #  # ][ #  # ]:          0 :     if( invalid_determinant( tau ) )
      65                 :            :     {
      66 [ #  # ][ #  # ]:          0 :         MSQ_SETERR( err )( barrier_violated_msg, MsqError::BARRIER_VIOLATED );
      67                 :          0 :         return false;
      68                 :            :     }
      69         [ #  # ]:          0 :     MsqMatrix< 3, 3 > Tp = transpose_adj( T );
      70         [ #  # ]:          0 :     Tp *= 1.0 / tau;
      71         [ #  # ]:          0 :     bool rval = metricPtr->evaluate( Tp, result, err );
      72 [ #  # ][ #  # ]:          0 :     return !MSQ_CHKERR( err ) && rval;
         [ #  # ][ #  # ]
                 [ #  # ]
      73                 :            : }
      74                 :            : 
      75 [ +  - ][ +  - ]:          4 : }  // namespace MBMesquite