MOAB: Mesh Oriented datABase  (version 5.4.0)
TScale.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 TScale.cpp
00028  *  \brief
00029  *  \author Jason Kraftcheck
00030  */
00031 
00032 #include "Mesquite.hpp"
00033 #include "TScale.hpp"
00034 #include "TMetricBarrier.hpp"
00035 #include "MsqMatrix.hpp"
00036 #include "MsqError.hpp"
00037 
00038 namespace MBMesquite
00039 {
00040 
00041 std::string TScale::get_name() const
00042 {
00043     return "scale(" + mMetric->get_name() + ')';
00044 }
00045 
00046 TScale::~TScale() {}
00047 
00048 bool TScale::evaluate( const MsqMatrix< 2, 2 >& T, double& result, MsqError& err )
00049 {
00050     bool rval = mMetric->evaluate( T, result, err );
00051     MSQ_ERRZERO( err );
00052     result *= mAlpha;
00053     return rval;
00054 }
00055 
00056 bool TScale::evaluate( const MsqMatrix< 3, 3 >& T, double& result, MsqError& err )
00057 {
00058     bool rval = mMetric->evaluate( T, result, err );
00059     MSQ_ERRZERO( err );
00060     result *= mAlpha;
00061     return rval;
00062 }
00063 
00064 bool TScale::evaluate_with_grad( const MsqMatrix< 2, 2 >& T,
00065                                  double& result,
00066                                  MsqMatrix< 2, 2 >& deriv_wrt_T,
00067                                  MsqError& err )
00068 {
00069     bool rval = mMetric->evaluate_with_grad( T, result, deriv_wrt_T, err );
00070     MSQ_ERRZERO( err );
00071     result *= mAlpha;
00072     deriv_wrt_T *= mAlpha;
00073     return rval;
00074 }
00075 
00076 bool TScale::evaluate_with_grad( const MsqMatrix< 3, 3 >& T,
00077                                  double& result,
00078                                  MsqMatrix< 3, 3 >& deriv_wrt_T,
00079                                  MsqError& err )
00080 {
00081     bool rval = mMetric->evaluate_with_grad( T, result, deriv_wrt_T, err );
00082     MSQ_ERRZERO( err );
00083     result *= mAlpha;
00084     deriv_wrt_T *= mAlpha;
00085     return rval;
00086 }
00087 
00088 bool TScale::evaluate_with_hess( const MsqMatrix< 2, 2 >& T,
00089                                  double& result,
00090                                  MsqMatrix< 2, 2 >& deriv_wrt_T,
00091                                  MsqMatrix< 2, 2 > second_wrt_T[3],
00092                                  MsqError& err )
00093 {
00094     bool rval = mMetric->evaluate_with_hess( T, result, deriv_wrt_T, second_wrt_T, err );
00095     MSQ_ERRZERO( err );
00096     result *= mAlpha;
00097     deriv_wrt_T *= mAlpha;
00098     second_wrt_T[0] *= mAlpha;
00099     second_wrt_T[1] *= mAlpha;
00100     second_wrt_T[2] *= mAlpha;
00101     return rval;
00102 }
00103 
00104 bool TScale::evaluate_with_hess( const MsqMatrix< 3, 3 >& T,
00105                                  double& result,
00106                                  MsqMatrix< 3, 3 >& deriv_wrt_T,
00107                                  MsqMatrix< 3, 3 > second_wrt_T[3],
00108                                  MsqError& err )
00109 {
00110     bool rval = mMetric->evaluate_with_hess( T, result, deriv_wrt_T, second_wrt_T, err );
00111     MSQ_ERRZERO( err );
00112     result *= mAlpha;
00113     deriv_wrt_T *= mAlpha;
00114     second_wrt_T[0] *= mAlpha;
00115     second_wrt_T[1] *= mAlpha;
00116     second_wrt_T[2] *= mAlpha;
00117     second_wrt_T[3] *= mAlpha;
00118     second_wrt_T[4] *= mAlpha;
00119     second_wrt_T[5] *= mAlpha;
00120     return rval;
00121 }
00122 
00123 }  // namespace MBMesquite
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