text: // Copyright (C) 2011-2012 by the BEM++ Authors
  //
  // Permission is hereby granted, free of charge, to any person obtaining a copy
  // of this software and associated documentation files (the "Software"), to deal
  // in the Software without restriction, including without limitation the rights
  // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  // copies of the Software, and to permit persons to whom the Software is
  // furnished to do so, subject to the following conditions:
  //
  // The above copyright notice and this permission notice shall be included in
  // all copies or substantial portions of the Software.
  //
  // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  // THE SOFTWARE.
  
  #ifndef belos_solver_wrapper_hpp
  #define belos_solver_wrapper_hpp
  
  #include "../common/common.hpp"
  
  #include "belos_solver_wrapper_fwd.hpp"
  #include "../common/scalar_traits.hpp"
  
  namespace Thyra
  {
  /** \cond FORWARD_DECL */
  template <typename ValueType> class PreconditionerBase;
  template <typename ValueType> class LinearOpWithSolveBase;
  /** \endcond */
  }
  
  namespace Bempp
  {
  
  template <typename ValueType>
  class BelosSolverWrapper
  {
  public:
      typedef typename ScalarTraits<ValueType>::RealType MagnitudeType;
  
      BelosSolverWrapper(
              const Teuchos::RCP<const Thyra::LinearOpBase<ValueType> >& linOp);
  
      ~BelosSolverWrapper();
  
      void setPreconditioner(
              const Teuchos::RCP<const Thyra::PreconditionerBase<ValueType> >& preconditioner);
  
      void initializeSolver(
              const Teuchos::RCP<Teuchos::ParameterList>& paramList);
  
      Thyra::SolveStatus<MagnitudeType> solve(
              const Thyra::EOpTransp trans,
              const Thyra::MultiVectorBase<ValueType>& rhs,
              const Teuchos::Ptr<Thyra::MultiVectorBase<ValueType> >& sol) const;
  
  private:
      Teuchos::RCP<const Thyra::LinearOpBase<ValueType> > m_linOp;
      Teuchos::RCP<const Thyra::PreconditionerBase<ValueType> > m_preconditioner;
      Teuchos::RCP<const Thyra::LinearOpWithSolveBase<MagnitudeType> > m_linOpWithSolve;
  };
  
  } // namespace Bempp
  
  #endif
  