TSFBlockTriangularSolverDecl.hpp

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/* ***********************************************************************
// 
//           TSFExtended: Trilinos Solver Framework Extended
//                 Copyright (2004) Sandia Corporation
// 
// Under terms of Contract DE-AC04-94AL85000, there is a non-exclusive
// license for use of this work by or on behalf of the U.S. Government.
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// This library is free software; you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as
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#ifndef TSFBLOCKTRIANGULARSOLVER_DECL_HPP
#define TSFBLOCKTRIANGULARSOLVER_DECL_HPP

#include "SundanceDefs.hpp"
#include "TSFLinearSolverDecl.hpp" 


namespace TSFExtended
{
/** */
template <class Scalar>
class BlockTriangularSolver : public LinearSolverBase<Scalar>,
                              public Sundance::Handleable<LinearSolverBase<Scalar> >
{
public:
  /** */
  BlockTriangularSolver(const LinearSolver<Scalar>& solver);

  /** */
  BlockTriangularSolver(const Array<LinearSolver<Scalar> >& solvers);

  /** */
  virtual ~BlockTriangularSolver(){}

  /** */
  virtual SolverState<Scalar> solve(const LinearOperator<Scalar>& op,
    const Vector<Scalar>& rhs,
    Vector<Scalar>& soln) const ;

  /* */
  GET_RCP(LinearSolverBase<Scalar>);
private:
  Array<LinearSolver<Scalar> > solvers_;
};

}

#endif