MOAB: Mesh Oriented datABase  (version 5.4.0)
LambdaConstant.cpp
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00001 /* *****************************************************************
00002     MESQUITE -- The Mesh Quality Improvement Toolkit
00003 
00004     Copyright 2009 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     (2009) kraftche@cae.wisc.edu
00024 
00025   ***************************************************************** */
00026 
00027 /** \file LambdaConstant.cpp
00028  *  \brief
00029  *  \author Jason Kraftcheck
00030  */
00031 
00032 #include "Mesquite.hpp"
00033 #include "LambdaConstant.hpp"
00034 #include "MsqMatrix.hpp"
00035 #include "MsqError.hpp"
00036 
00037 namespace MBMesquite
00038 {
00039 
00040 LambdaConstant::LambdaConstant( double lambda, TargetCalculator* W ) : mLambda( lambda ), mTarget( W ) {}
00041 
00042 LambdaConstant::~LambdaConstant() {}
00043 
00044 bool LambdaConstant::get_3D_target( PatchData& pd,
00045                                     size_t element,
00046                                     Sample sample,
00047                                     MsqMatrix< 3, 3 >& W_out,
00048                                     MsqError& err )
00049 {
00050     bool valid = mTarget->get_3D_target( pd, element, sample, W_out, err );
00051     if( MSQ_CHKERR( err ) || !valid ) return false;
00052     double lambda = this->size( W_out );
00053     if( lambda < 1e-50 ) return false;
00054     W_out *= mLambda / lambda;
00055     return true;
00056 }
00057 
00058 bool LambdaConstant::get_surface_target( PatchData& pd,
00059                                          size_t element,
00060                                          Sample sample,
00061                                          MsqMatrix< 3, 2 >& W_out,
00062                                          MsqError& err )
00063 {
00064     bool valid = mTarget->get_surface_target( pd, element, sample, W_out, err );
00065     if( MSQ_CHKERR( err ) || !valid ) return false;
00066     double lambda = this->size( W_out );
00067     if( lambda < 1e-50 ) return false;
00068     W_out *= mLambda / lambda;
00069     return true;
00070 }
00071 
00072 bool LambdaConstant::get_2D_target( PatchData& pd,
00073                                     size_t element,
00074                                     Sample sample,
00075                                     MsqMatrix< 2, 2 >& W_out,
00076                                     MsqError& err )
00077 {
00078     bool valid = mTarget->get_2D_target( pd, element, sample, W_out, err );
00079     if( MSQ_CHKERR( err ) || !valid ) return false;
00080     double lambda = this->size( W_out );
00081     if( lambda < 1e-50 ) return false;
00082     W_out *= mLambda / lambda;
00083     return true;
00084 }
00085 
00086 }  // namespace MBMesquite
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