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Thyra_InverseLinearOpBase.hpp
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00001 // @HEADER
00002 // ***********************************************************************
00003 // 
00004 //    Thyra: Interfaces and Support for Abstract Numerical Algorithms
00005 //                 Copyright (2004) Sandia Corporation
00006 // 
00007 // Under terms of Contract DE-AC04-94AL85000, there is a non-exclusive
00008 // license for use of this work by or on behalf of the U.S. Government.
00009 // 
00010 // This library is free software; you can redistribute it and/or modify
00011 // it under the terms of the GNU Lesser General Public License as
00012 // published by the Free Software Foundation; either version 2.1 of the
00013 // License, or (at your option) any later version.
00014 //  
00015 // This library is distributed in the hope that it will be useful, but
00016 // WITHOUT ANY WARRANTY; without even the implied warranty of
00017 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00018 // Lesser General Public License for more details.
00019 //  
00020 // You should have received a copy of the GNU Lesser General Public
00021 // License along with this library; if not, write to the Free Software
00022 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
00023 // USA
00024 // Questions? Contact Michael A. Heroux (maherou@sandia.gov) 
00025 // 
00026 // ***********************************************************************
00027 // @HEADER
00028 
00029 #ifndef THYRA_INVERSE_LINEAR_OP_BASE_HPP
00030 #define THYRA_INVERSE_LINEAR_OP_BASE_HPP
00031 
00032 #include "Thyra_LinearOpWithSolveBase.hpp"
00033 
00034 
00035 namespace Thyra {
00036 
00037 
00043 template<class Scalar>
00044 class InverseLinearOpBase : virtual public LinearOpBase<Scalar>
00045 {
00046 public:
00047 
00051   virtual bool isLowsConst() const = 0;
00052 
00056   virtual Teuchos::RCP<LinearOpWithSolveBase<Scalar> >
00057   getNonconstLows() = 0; 
00058 
00062   virtual Teuchos::RCP<const LinearOpWithSolveBase<Scalar> >
00063   getLows() const = 0; 
00064 
00065 };
00066 
00067 
00068 } // namespace Thyra
00069 
00070 
00071 #endif // THYRA_INVERSE_LINEAR_OP_BASE_HPP
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