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OptiPack_LineSearchPointEvaluatorBase.hpp
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00001 /*
00002 // @HEADER
00003 // ***********************************************************************
00004 // 
00005 //    OptiPack: Collection of simple Thyra-based Optimization ANAs
00006 //                 Copyright (2009) Sandia Corporation
00007 // 
00008 // Under terms of Contract DE-AC04-94AL85000, there is a non-exclusive
00009 // license for use of this work by or on behalf of the U.S. Government.
00010 // 
00011 // This library is free software; you can redistribute it and/or modify
00012 // it under the terms of the GNU Lesser General Public License as
00013 // published by the Free Software Foundation; either version 2.1 of the
00014 // License, or (at your option) any later version.
00015 // 
00016 // This library is distributed in the hope that it will be useful, but
00017 // WITHOUT ANY WARRANTY; without even the implied warranty of
00018 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00019 // Lesser General Public License for more details.
00020 // 
00021 // You should have received a copy of the GNU Lesser General Public
00022 // License along with this library; if not, write to the Free Software
00023 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
00024 // USA
00025 // Questions? Contact Roscoe A. Bartlett (rabartl@sandia.gov) 
00026 // 
00027 // ***********************************************************************
00028 // @HEADER
00029 */
00030 
00031 #ifndef OPTIPACK_LINE_SEARCH_POINT_EVALUATOR_BASE_HPP
00032 #define OPTIPACK_LINE_SEARCH_POINT_EVALUATOR_BASE_HPP
00033 
00034 
00035 #include "OptiPack_Types.hpp"
00036 #include "Thyra_OperatorVectorTypes.hpp"
00037 #include "Teuchos_Describable.hpp"
00038 
00039 
00040 namespace OptiPack {
00041 
00042 
00047 template<typename Scalar>
00048 class LineSearchPointEvaluatorBase
00049   : public Teuchos::Describable
00050 {
00051 public:
00052 
00054   typedef typename ScalarTraits<Scalar>::magnitudeType ScalarMag;
00055 
00059   virtual void computePoint( const ScalarMag &alpha,
00060     const Ptr<Thyra::VectorBase<Scalar> > &p
00061     ) const = 0;
00062 
00063 };
00064 
00065 
00066 } // namespace OptiPack
00067 
00068 
00069 #endif // OPTIPACK_LINE_SEARCH_POINT_EVALUATOR_BASE_HPP
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