MOAB: Mesh Oriented datABase  (version 5.4.1)
AWShapeSizeB1.cpp
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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) [email protected]
00024 
00025   ***************************************************************** */
00026 
00027 /** \file AWShapeSizeB1.cpp
00028  *  \brief
00029  *  \author Jason Kraftcheck
00030  */
00031 
00032 #include "Mesquite.hpp"
00033 #include "AWShapeSizeB1.hpp"
00034 #include "MsqMatrix.hpp"
00035 #include "MsqError.hpp"
00036 #include "TMPDerivs.hpp"
00037 #include "TMPCommon.hpp"
00038 
00039 namespace MBMesquite
00040 {
00041 
00042 std::string AWShapeSizeB1::get_name() const
00043 {
00044     return "AWShapeSizeB1";
00045 }
00046 
00047 AWShapeSizeB1::~AWShapeSizeB1() {}
00048 
00049 bool AWShapeSizeB1::evaluate( const MsqMatrix< 2, 2 >& A, const MsqMatrix< 2, 2 >& W, double& result, MsqError& err )
00050 {
00051     const double alpha = det( A );
00052     if( AWMetric::invalid_determinant( alpha ) )
00053     {
00054         MSQ_SETERR( err )( barrier_violated_msg_aw, MsqError::BARRIER_VIOLATED );
00055         return false;
00056     }
00057 
00058     result = sqr_Frobenius( A - 1 / alpha * transpose_adj( A ) * transpose( W ) * W );
00059     return true;
00060 }
00061 
00062 bool AWShapeSizeB1::evaluate( const MsqMatrix< 3, 3 >& A, const MsqMatrix< 3, 3 >& W, double& result, MsqError& err )
00063 {
00064     const double alpha = det( A );
00065     if( AWMetric::invalid_determinant( alpha ) )
00066     {
00067         MSQ_SETERR( err )( barrier_violated_msg_aw, MsqError::BARRIER_VIOLATED );
00068         return false;
00069     }
00070 
00071     result = sqr_Frobenius( A - 1 / alpha * transpose_adj( A ) * transpose( W ) * W );
00072     return true;
00073 }
00074 
00075 }  // namespace MBMesquite
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