AnasaziMultiVec.hpp

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// ***********************************************************************
//
//                 Anasazi: Block Eigensolvers Package
//                 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.
//
// 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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// This library is distributed in the hope that it will be useful, but
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
// USA
// Questions? Contact Michael A. Heroux (maherou@sandia.gov)
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#ifndef ANASAZI_MULTI_VEC_HPP
#define ANASAZI_MULTI_VEC_HPP

#include "AnasaziConfigDefs.hpp"
#include "AnasaziMultiVecTraits.hpp"

namespace Anasazi {


template <class ScalarType>
class MultiVec {
public:



  MultiVec() {};

  virtual ~MultiVec () {};




  virtual MultiVec<ScalarType> * Clone ( const int numvecs ) const = 0;

  virtual MultiVec<ScalarType> * CloneCopy () const = 0;
  
  virtual MultiVec<ScalarType> * CloneCopy ( const std::vector<int>& index ) const = 0;
  
  virtual const MultiVec<ScalarType> * CloneView ( const std::vector<int>& index ) const = 0;
  virtual MultiVec<ScalarType> * CloneViewNonConst ( const std::vector<int>& index ) = 0;




  virtual int GetVecLength () const = 0;


  virtual int GetNumberVecs () const = 0;




  virtual void MvTimesMatAddMv ( ScalarType alpha, const MultiVec<ScalarType>& A, 
    const Teuchos::SerialDenseMatrix<int,ScalarType>& B, ScalarType beta ) = 0;

  virtual void MvAddMv ( ScalarType alpha, const MultiVec<ScalarType>& A, ScalarType beta, const MultiVec<ScalarType>& B ) = 0;

  virtual void MvTransMv ( ScalarType alpha, const MultiVec<ScalarType>& A, Teuchos::SerialDenseMatrix<int,ScalarType>& B
#ifdef HAVE_ANASAZI_EXPERIMENTAL
         , ConjType conj = Anasazi::CONJ
#endif         
         ) const = 0;
  
        virtual void MvDot ( const MultiVec<ScalarType>& A, std::vector<ScalarType> & b 
#ifdef HAVE_ANASAZI_EXPERIMENTAL
           , ConjType conj = Anasazi::CONJ
#endif
           ) const = 0;
  



  virtual void MvNorm ( std::vector<typename Teuchos::ScalarTraits<ScalarType>::magnitudeType> & normvec ) const = 0;




  virtual void SetBlock ( const MultiVec<ScalarType>& A, const std::vector<int>& index ) = 0;
  
  virtual void MvScale ( ScalarType alpha ) = 0;

        virtual void MvScale ( const std::vector<ScalarType>& alpha ) = 0;

  virtual void MvRandom () = 0;

  virtual void MvInit ( ScalarType alpha ) = 0;




  virtual void MvPrint ( std::ostream& os ) const = 0;

};


  //
  // Implementation of the Anasazi::MultiVecTraits for Anasazi::MultiVec.
  //

  template<class ScalarType>
  class MultiVecTraits<ScalarType,MultiVec<ScalarType> >
  {
  public:



    static Teuchos::RCP<MultiVec<ScalarType> > Clone( const MultiVec<ScalarType>& mv, const int numvecs )
    { return Teuchos::rcp( const_cast<MultiVec<ScalarType>&>(mv).Clone(numvecs) ); }

    static Teuchos::RCP<MultiVec<ScalarType> > CloneCopy( const MultiVec<ScalarType>& mv )
    { return Teuchos::rcp( const_cast<MultiVec<ScalarType>&>(mv).CloneCopy() ); }

    static Teuchos::RCP<MultiVec<ScalarType> > CloneCopy( const MultiVec<ScalarType>& mv, const std::vector<int>& index )
    { return Teuchos::rcp( const_cast<MultiVec<ScalarType>&>(mv).CloneCopy(index) ); }

    static Teuchos::RCP<MultiVec<ScalarType> > CloneViewNonConst( MultiVec<ScalarType>& mv, const std::vector<int>& index )
    { return Teuchos::rcp( mv.CloneViewNonConst(index) ); }

    static Teuchos::RCP<const MultiVec<ScalarType> > CloneView( const MultiVec<ScalarType>& mv, const std::vector<int>& index )
    { return Teuchos::rcp( const_cast<MultiVec<ScalarType>&>(mv).CloneView(index) ); }




    static int GetVecLength( const MultiVec<ScalarType>& mv )
    { return mv.GetVecLength(); }

    static int GetNumberVecs( const MultiVec<ScalarType>& mv )
    { return mv.GetNumberVecs(); }




    static void MvTimesMatAddMv( ScalarType alpha, const MultiVec<ScalarType>& A, 
         const Teuchos::SerialDenseMatrix<int,ScalarType>& B, 
         ScalarType beta, MultiVec<ScalarType>& mv )
    { mv.MvTimesMatAddMv(alpha, A, B, beta); }

    static void MvAddMv( ScalarType alpha, const MultiVec<ScalarType>& A, ScalarType beta, const MultiVec<ScalarType>& B, MultiVec<ScalarType>& mv )
    { mv.MvAddMv(alpha, A, beta, B); }

    static void MvTransMv( ScalarType alpha, const MultiVec<ScalarType>& A, const MultiVec<ScalarType>& mv, Teuchos::SerialDenseMatrix<int,ScalarType>& B
#ifdef HAVE_ANASAZI_EXPERIMENTAL
         , ConjType conj = Anasazi::CONJ
#endif
         )
    { mv.MvTransMv(alpha, A, B
#ifdef HAVE_ANASAZI_EXPERIMENTAL
       , conj
#endif
       ); }
    
    static void MvDot( const MultiVec<ScalarType>& mv, const MultiVec<ScalarType>& A, std::vector<ScalarType> & b
#ifdef HAVE_ANASAZI_EXPERIMENTAL
           , ConjType conj = Anasazi::CONJ
#endif
           )
    { mv.MvDot( A, b
#ifdef HAVE_ANASAZI_EXPERIMENTAL
    , conj
#endif
    ); }

    static void MvScale ( MultiVec<ScalarType>& mv, ScalarType alpha )
    { mv.MvScale( alpha ); }
    
    static void MvScale ( MultiVec<ScalarType>& mv, const std::vector<ScalarType>& alpha )
    { mv.MvScale( alpha ); }
    



    static void MvNorm( const MultiVec<ScalarType>& mv, std::vector<typename Teuchos::ScalarTraits<ScalarType>::magnitudeType> & normvec )
    { mv.MvNorm(normvec); }




    static void SetBlock( const MultiVec<ScalarType>& A, const std::vector<int>& index, MultiVec<ScalarType>& mv )
    { mv.SetBlock(A, index); }

    static void MvRandom( MultiVec<ScalarType>& mv )
    { mv.MvRandom(); }

    static void MvInit( MultiVec<ScalarType>& mv, ScalarType alpha = Teuchos::ScalarTraits<ScalarType>::zero() )
    { mv.MvInit(alpha); }




    static void MvPrint( const MultiVec<ScalarType>& mv, std::ostream& os )
    { mv.MvPrint(os); }

  };


} // namespace Anasazi

#endif

// end of file AnasaziMultiVec.hpp

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