BelosFixedPointIteration.hpp

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#ifndef BELOS_FIXEDPOINT_ITERATION_HPP
#define BELOS_FIXEDPOINT_ITERATION_HPP

#include "BelosConfigDefs.hpp"
#include "BelosTypes.hpp"
#include "BelosIteration.hpp"

namespace Belos {


  
  template <class ScalarType, class MV>
  struct FixedPointIterationState {

    Teuchos::RCP<const MV> R;

    Teuchos::RCP<const MV> Z;
    
    FixedPointIterationState() : R(Teuchos::null), Z(Teuchos::null)
    {}
  };


  
  class FixedPointIterationInitFailure : public BelosError {public:
    FixedPointIterationInitFailure(const std::string& what_arg) : BelosError(what_arg)
    {}};

  class FixedPointIterateFailure : public BelosError {public:
    FixedPointIterateFailure(const std::string& what_arg) : BelosError(what_arg)
    {}};
  
  class FixedPointIterationOrthoFailure : public BelosError {public:
    FixedPointIterationOrthoFailure(const std::string& what_arg) : BelosError(what_arg)
    {}};

  class FixedPointIterationLAPACKFailure : public BelosError {public:
    FixedPointIterationLAPACKFailure(const std::string& what_arg) : BelosError(what_arg)
    {}};
  


template<class ScalarType, class MV, class OP>
class FixedPointIteration : virtual public Iteration<ScalarType,MV,OP> {

  public:



  virtual void initializeFixedPoint(FixedPointIterationState<ScalarType,MV>& newstate) = 0;

  virtual FixedPointIterationState<ScalarType,MV> getState() const = 0;

};

} // end Belos namespace

#endif /* BELOS_FIXEDPOINT_ITERATION_HPP */