00001 // $Id: NOX_LAPACK_Interface.H,v 1.6 2006/08/22 00:01:31 rppawlo Exp $ 00002 // $Source: /space/CVS/Trilinos/packages/nox/src-lapack/NOX_LAPACK_Interface.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-lapack/NOX_LAPACK_Interface.H,v $ 00036 // $Author: rppawlo $ 00037 // $Date: 2006/08/22 00:01:31 $ 00038 // $Revision: 1.6 $ 00039 // ************************************************************************ 00040 //@HEADER 00041 00042 #ifndef NOX_LAPACK_INTERFACE_H 00043 #define NOX_LAPACK_INTERFACE_H 00044 00045 // Forward declarations 00046 namespace NOX { 00047 namespace LAPACK { 00048 class Vector; 00049 template <typename T> class Matrix; 00050 } 00051 } 00052 00053 namespace NOX { 00054 namespace LAPACK { 00055 00058 class Interface { 00059 00060 public: 00061 00063 Interface() {}; 00064 00066 virtual ~Interface() {}; 00067 00069 virtual const NOX::LAPACK::Vector& getInitialGuess() = 0; 00070 00072 virtual bool computeF(NOX::LAPACK::Vector& rhs, const NOX::LAPACK::Vector &x) = 0; 00073 00075 virtual bool computeJacobian(NOX::LAPACK::Matrix<double>& J, const NOX::LAPACK::Vector & x) = 0; 00076 00077 }; 00078 } // namespace LAPACK 00079 } // namespace NOX 00080 00081 #endif