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Belos
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00001 //@HEADER 00002 // ************************************************************************ 00003 // 00004 // Belos: Block Linear Solvers Package 00005 // Copyright 2004 Sandia Corporation 00006 // 00007 // Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation, 00008 // the U.S. Government retains certain rights in this software. 00009 // 00010 // Redistribution and use in source and binary forms, with or without 00011 // modification, are permitted provided that the following conditions are 00012 // met: 00013 // 00014 // 1. Redistributions of source code must retain the above copyright 00015 // notice, this list of conditions and the following disclaimer. 00016 // 00017 // 2. Redistributions in binary form must reproduce the above copyright 00018 // notice, this list of conditions and the following disclaimer in the 00019 // documentation and/or other materials provided with the distribution. 00020 // 00021 // 3. Neither the name of the Corporation nor the names of the 00022 // contributors may be used to endorse or promote products derived from 00023 // this software without specific prior written permission. 00024 // 00025 // THIS SOFTWARE IS PROVIDED BY SANDIA CORPORATION "AS IS" AND ANY 00026 // EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 00027 // IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 00028 // PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL SANDIA CORPORATION OR THE 00029 // CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 00030 // EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 00031 // PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 00032 // PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 00033 // LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 00034 // NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 00035 // SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 00036 // 00037 // Questions? Contact Michael A. Heroux (maherou@sandia.gov) 00038 // 00039 // ************************************************************************ 00040 //@HEADER 00041 00042 #ifndef BELOS_CG_STOCHASTIC_ITERATION_HPP 00043 #define BELOS_CG_STOCHASTIC_ITERATION_HPP 00044 00049 #include "BelosConfigDefs.hpp" 00050 #include "BelosTypes.hpp" 00051 #include "BelosIteration.hpp" 00052 #include "BelosCGIteration.hpp" 00053 00054 namespace Belos { 00055 00057 00058 00063 template <class ScalarType, class MV> 00064 struct StochasticCGIterationState { 00065 00067 Teuchos::RCP<const MV> R; 00068 00070 Teuchos::RCP<const MV> Z; 00071 00073 Teuchos::RCP<const MV> P; 00074 00076 Teuchos::RCP<const MV> AP; 00077 00079 Teuchos::RCP<const MV> Y; 00080 00081 StochasticCGIterationState() : R(Teuchos::null), Z(Teuchos::null), 00082 P(Teuchos::null), AP(Teuchos::null), Y(Teuchos::null) 00083 {} 00084 }; 00085 00086 template<class ScalarType, class MV, class OP> 00087 class StochasticCGIteration : virtual public Iteration<ScalarType,MV,OP> { 00088 00089 public: 00090 00092 00093 00107 virtual void initializeCG(StochasticCGIterationState<ScalarType,MV> newstate) = 0; 00108 00115 virtual StochasticCGIterationState<ScalarType,MV> getState() const = 0; 00117 00118 }; 00119 00120 } // end Belos namespace 00121 00122 #endif /* BELOS_STOCHASTIC_CG_ITERATION_HPP */
1.7.6.1