MOAB: Mesh Oriented datABase  (version 5.2.1)
TSum.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 TSum.cpp
00028  *  \brief
00029  *  \author Jason Kraftcheck
00030  */
00031 
00032 #include "Mesquite.hpp"
00033 #include "TMetricBarrier.hpp"
00034 #include "TSum.hpp"
00035 #include "MsqMatrix.hpp"
00036 #include "MsqError.hpp"
00037 #include "TMPCommon.hpp"
00038 
00039 namespace MBMesquite
00040 {
00041 
00042 std::string TSum::get_name() const
00043 {
00044     return mu1->get_name() + '+' + mu2->get_name();
00045 }
00046 
00047 TSum::~TSum() {}
00048 
00049 template < unsigned DIM >
00050 inline bool TSum::eval( const MsqMatrix< DIM, DIM >& T, double& result, MsqError& err )
00051 {
00052     double val2;
00053     bool rval = mu1->evaluate( T, result, err );
00054     MSQ_ERRZERO( err );
00055     bool rval2 = mu2->evaluate( T, val2, err );
00056     MSQ_ERRZERO( err );
00057     result += val2;
00058     return rval && rval2;
00059 }
00060 
00061 template < unsigned DIM >
00062 inline bool TSum::grad( const MsqMatrix< DIM, DIM >& T, double& result, MsqMatrix< DIM, DIM >& deriv, MsqError& err )
00063 {
00064     double val2;
00065     MsqMatrix< DIM, DIM > grad2;
00066     bool rval = mu1->evaluate_with_grad( T, result, deriv, err );
00067     MSQ_ERRZERO( err );
00068     bool rval2 = mu2->evaluate_with_grad( T, val2, grad2, err );
00069     MSQ_ERRZERO( err );
00070     result += val2;
00071     deriv += grad2;
00072     return rval && rval2;
00073 }
00074 
00075 template < unsigned DIM >
00076 inline bool TSum::hess( const MsqMatrix< DIM, DIM >& T, double& result, MsqMatrix< DIM, DIM >& deriv_wrt_T,
00077                         MsqMatrix< DIM, DIM >* second_wrt_T, MsqError& err )
00078 {
00079     const int HL = ( DIM * ( DIM + 1 ) ) / 2;
00080     double val2;
00081     MsqMatrix< DIM, DIM > grad2, hess2[HL];
00082 
00083     bool rval = mu1->evaluate_with_hess( T, result, deriv_wrt_T, second_wrt_T, err );
00084     MSQ_ERRZERO( err );
00085     bool rval2 = mu2->evaluate_with_hess( T, val2, grad2, hess2, err );
00086     MSQ_ERRZERO( err );
00087     result += val2;
00088     deriv_wrt_T += grad2;
00089     for( int i = 0; i < HL; ++i )
00090         second_wrt_T[i] += hess2[i];
00091     return rval && rval2;
00092 }
00093 
00094 TMP_T_TEMPL_IMPL_COMMON_ERR( TSum )
00095 
00096 }  // namespace MBMesquite
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