00001 /* @HEADER@ */ 00002 // ************************************************************************ 00003 // 00004 // Playa: Programmable Linear Algebra 00005 // Copyright 2012 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 Kevin Long (kevin.long@ttu.edu) 00038 // 00039 00040 /* @HEADER@ */ 00041 00042 #ifndef PLAYA_BLOCKTRIANGULARSOLVER_DECL_HPP 00043 #define PLAYA_BLOCKTRIANGULARSOLVER_DECL_HPP 00044 00045 #include "PlayaDefs.hpp" 00046 #include "PlayaLinearSolverDecl.hpp" 00047 00048 00049 namespace Playa 00050 { 00051 /** */ 00052 template <class Scalar> 00053 class BlockTriangularSolver : public LinearSolverBase<Scalar>, 00054 public Playa::Handleable<LinearSolverBase<Scalar> > 00055 { 00056 public: 00057 /** */ 00058 BlockTriangularSolver(const LinearSolver<Scalar>& solver); 00059 00060 /** */ 00061 BlockTriangularSolver(const Array<LinearSolver<Scalar> >& solvers); 00062 00063 /** */ 00064 virtual ~BlockTriangularSolver(){} 00065 00066 /** */ 00067 virtual SolverState<Scalar> solve(const LinearOperator<Scalar>& op, 00068 const Vector<Scalar>& rhs, 00069 Vector<Scalar>& soln) const ; 00070 00071 /* */ 00072 GET_RCP(LinearSolverBase<Scalar>); 00073 private: 00074 Array<LinearSolver<Scalar> > solvers_; 00075 }; 00076 00077 } 00078 00079 #endif