00001 // $Id: NOX_MeritFunction_Generic.H,v 1.4 2006/08/22 00:01:27 rppawlo Exp $ 00002 // $Source: /space/CVS/Trilinos/packages/nox/src/NOX_MeritFunction_Generic.H,v $ 00003 00004 //@HEADER 00005 // ************************************************************************ 00006 // 00007 // NOX: An Object-Oriented Nonlinear Solver Package 00008 // Copyright (2002) Sandia Corporation 00009 // 00010 // LOCA: Library of Continuation Algorithms Package 00011 // Copyright (2005) Sandia Corporation 00012 // 00013 // Under terms of Contract DE-AC04-94AL85000, there is a non-exclusive 00014 // license for use of this work by or on behalf of the U.S. Government. 00015 // 00016 // This library is free software; you can redistribute it and/or modify 00017 // it under the terms of the GNU Lesser General Public License as 00018 // published by the Free Software Foundation; either version 2.1 of the 00019 // License, or (at your option) any later version. 00020 // 00021 // This library is distributed in the hope that it will be useful, but 00022 // WITHOUT ANY WARRANTY; without even the implied warranty of 00023 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00024 // Lesser General Public License for more details. 00025 // 00026 // You should have received a copy of the GNU Lesser General Public 00027 // License along with this library; if not, write to the Free Software 00028 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 00029 // USA 00030 // 00031 // Questions? Contact Roger Pawlowski (rppawlo@sandia.gov) or 00032 // Eric Phipps (etphipp@sandia.gov), Sandia National Laboratories. 00033 // ************************************************************************ 00034 // CVS Information 00035 // $Source: /space/CVS/Trilinos/packages/nox/src/NOX_MeritFunction_Generic.H,v $ 00036 // $Author: rppawlo $ 00037 // $Date: 2006/08/22 00:01:27 $ 00038 // $Revision: 1.4 $ 00039 // ************************************************************************ 00040 //@HEADER 00041 00042 #ifndef NOX_MERITFUNCTION_GENERIC_H 00043 #define NOX_MERITFUNCTION_GENERIC_H 00044 00045 #include "NOX_Common.H" // for ostream 00046 00047 // Forward declaration 00048 namespace NOX { 00049 namespace Abstract { 00050 class Vector; 00051 class Group; 00052 } 00053 } 00054 00055 namespace NOX { 00056 00057 namespace MeritFunction { 00058 00060 00087 class Generic { 00088 00089 public: 00090 00092 Generic(){}; 00093 00095 virtual ~Generic(){}; 00096 00098 virtual double computef(const NOX::Abstract::Group& grp) const = 0; 00099 00101 virtual void computeGradient(const NOX::Abstract::Group& group, 00102 NOX::Abstract::Vector& result) const = 0; 00103 00105 00114 virtual double computeSlope(const NOX::Abstract::Vector& dir, 00115 const NOX::Abstract::Group& grp) const = 0; 00116 00118 00130 virtual double computeQuadraticModel(const NOX::Abstract::Vector& dir, 00131 const NOX::Abstract::Group& grp) const = 0; 00132 00134 00150 virtual void computeQuadraticMinimizer(const NOX::Abstract::Group& grp, 00151 NOX::Abstract::Vector& result) const = 0; 00152 00154 virtual const string& name() const = 0; 00155 00156 }; 00157 } // namespace MeritFunction 00158 } // namespace NOX 00159 00160 #endif