MOAB: Mesh Oriented datABase  (version 5.2.1)
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, double& result, MsqMatrix< 2, 2 >& deriv_wrt_T,
00065                                  MsqError& err )
00066 {
00067     bool rval = mMetric->evaluate_with_grad( T, result, deriv_wrt_T, err );
00068     MSQ_ERRZERO( err );
00069     result *= mAlpha;
00070     deriv_wrt_T *= mAlpha;
00071     return rval;
00072 }
00073 
00074 bool TScale::evaluate_with_grad( const MsqMatrix< 3, 3 >& T, double& result, MsqMatrix< 3, 3 >& deriv_wrt_T,
00075                                  MsqError& err )
00076 {
00077     bool rval = mMetric->evaluate_with_grad( T, result, deriv_wrt_T, err );
00078     MSQ_ERRZERO( err );
00079     result *= mAlpha;
00080     deriv_wrt_T *= mAlpha;
00081     return rval;
00082 }
00083 
00084 bool TScale::evaluate_with_hess( const MsqMatrix< 2, 2 >& T, double& result, MsqMatrix< 2, 2 >& deriv_wrt_T,
00085                                  MsqMatrix< 2, 2 > second_wrt_T[3], MsqError& err )
00086 {
00087     bool rval = mMetric->evaluate_with_hess( T, result, deriv_wrt_T, second_wrt_T, err );
00088     MSQ_ERRZERO( err );
00089     result *= mAlpha;
00090     deriv_wrt_T *= mAlpha;
00091     second_wrt_T[0] *= mAlpha;
00092     second_wrt_T[1] *= mAlpha;
00093     second_wrt_T[2] *= mAlpha;
00094     return rval;
00095 }
00096 
00097 bool TScale::evaluate_with_hess( const MsqMatrix< 3, 3 >& T, double& result, MsqMatrix< 3, 3 >& deriv_wrt_T,
00098                                  MsqMatrix< 3, 3 > second_wrt_T[3], MsqError& err )
00099 {
00100     bool rval = mMetric->evaluate_with_hess( T, result, deriv_wrt_T, second_wrt_T, err );
00101     MSQ_ERRZERO( err );
00102     result *= mAlpha;
00103     deriv_wrt_T *= mAlpha;
00104     second_wrt_T[0] *= mAlpha;
00105     second_wrt_T[1] *= mAlpha;
00106     second_wrt_T[2] *= mAlpha;
00107     second_wrt_T[3] *= mAlpha;
00108     second_wrt_T[4] *= mAlpha;
00109     second_wrt_T[5] *= mAlpha;
00110     return rval;
00111 }
00112 
00113 }  // namespace MBMesquite
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