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BelosAkx.hpp
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00041 
00042 #ifndef __Belos_Akx_hpp
00043 #define __Belos_Akx_hpp
00044 
00045 #include <BelosMultiVecTraits.hpp>
00046 #include <Teuchos_ScalarTraits.hpp>
00047 #include <Teuchos_SerialDenseVector.hpp>
00048 
00049 namespace Belos {
00054   template<class Scalar, class MV>
00055   class Akx {
00056   public:
00057     typedef Scalar scalar_type;
00058     typedef typename Teuchos::ScalarTraits<Scalar>::magnitudeType magnitude_type;
00059     typedef MV multivector_type;
00060 
00067     virtual int maxCandidateBasisLength () const = 0;
00068 
00078     virtual int recommendedCandidateBasisLength () const = 0;
00079 
00107     virtual void 
00108     computeFlexibleBasis (const MV& q_last, 
00109         MV& Z_cur, 
00110         MV& V_cur, 
00111         const int s) = 0;
00112 
00124     virtual void computeBasis (const MV& q_last, MV& V_cur, const int s) = 0;
00125 
00160     virtual void
00161     updateBasis (const Teuchos::ArrayView<const magnitude_type>& realParts,
00162      const Teuchos::ArrayView<const magnitude_type>& imagParts,
00163      const Teuchos::ArrayView<const int>& multiplicities,
00164      const int numValues);
00165 
00186     virtual Teuchos::RCP<const Teuchos::SerialDenseMatrix<int,Scalar> > 
00187     changeOfBasisMatrix (const int s) = 0;
00188   };
00189 
00190 } // namespace Belos
00191 
00192 #endif // __Belos_Akx_hpp
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