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1 : : /* *****************************************************************
2 : : MESQUITE -- The Mesh Quality Improvement Toolkit
3 : :
4 : : Copyright 2006 Sandia National Laboratories. Developed at the
5 : : University of Wisconsin--Madison under SNL contract number
6 : : 624796. The U.S. Government and the University of Wisconsin
7 : : retain certain rights to this software.
8 : :
9 : : This library is free software; you can redistribute it and/or
10 : : modify it under the terms of the GNU Lesser General Public
11 : : License as published by the Free Software Foundation; either
12 : : version 2.1 of the License, or (at your option) any later version.
13 : :
14 : : This library is distributed in the hope that it will be useful,
15 : : but WITHOUT ANY WARRANTY; without even the implied warranty of
16 : : MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 : : Lesser General Public License for more details.
18 : :
19 : : You should have received a copy of the GNU Lesser General Public License
20 : : (lgpl.txt) along with this library; if not, write to the Free Software
21 : : Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22 : :
23 : : (2006) [email protected]
24 : :
25 : : ***************************************************************** */
26 : :
27 : : /** \file TShapeSize2DNB1.hpp
28 : : * \brief
29 : : * \author Jason Kraftcheck
30 : : */
31 : :
32 : : #ifndef MSQ_T_SHAPE_SIZE_2D_NB_1_HPP
33 : : #define MSQ_T_SHAPE_SIZE_2D_NB_1_HPP
34 : :
35 : : #include "Mesquite.hpp"
36 : : #include "TMetricNonBarrier.hpp"
37 : :
38 : : namespace MBMesquite
39 : : {
40 : :
41 : : /** |T|^2 - 2*sqrt(|T|^2 + 2*det(T))+2 */
42 : 2 : class TShapeSize2DNB1 : public TMetricNonBarrier2D
43 : : {
44 : : public:
45 : : MESQUITE_EXPORT virtual ~TShapeSize2DNB1();
46 : :
47 : : MESQUITE_EXPORT virtual std::string get_name() const;
48 : :
49 : : MESQUITE_EXPORT virtual bool evaluate( const MsqMatrix< 2, 2 >& T, double& result, MsqError& err );
50 : :
51 : : MESQUITE_EXPORT virtual bool evaluate_with_grad( const MsqMatrix< 2, 2 >& T, double& result,
52 : : MsqMatrix< 2, 2 >& deriv_wrt_T, MsqError& err );
53 : :
54 : : MESQUITE_EXPORT virtual bool evaluate_with_hess( const MsqMatrix< 2, 2 >& T, double& result,
55 : : MsqMatrix< 2, 2 >& deriv_wrt_T, MsqMatrix< 2, 2 > second_wrt_T[3],
56 : : MsqError& err );
57 : : };
58 : :
59 : : } // namespace MBMesquite
60 : :
61 : : #endif
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