BelosMultiVec.hpp

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//
//                 Belos: Block Linear Solvers 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.
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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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// Lesser General Public License for more details.
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#ifndef BELOS_MULTI_VEC_HPP
#define BELOS_MULTI_VEC_HPP

#include "BelosMultiVecTraits.hpp"
#include "BelosTypes.hpp"
#include "BelosConfigDefs.hpp"

namespace Belos {

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




  virtual int GetVecLength () const = 0;


  virtual int GetNumberVecs () const = 0;




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

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

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

  virtual void MvDot ( const MultiVec<ScalarType>& A, std::vector<ScalarType>* b ) const = 0;




        virtual void MvNorm ( std::vector<typename Teuchos::ScalarTraits<ScalarType>::magnitudeType>* normvec, NormType type = TwoNorm ) const = 0;




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

  virtual void MvInit ( const ScalarType alpha ) = 0;




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


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


  template<class ScalarType>
  class MultiVecTraits<ScalarType,MultiVec<ScalarType> >
  {
  public:
    static Teuchos::RefCountPtr<MultiVec<ScalarType> > Clone( const MultiVec<ScalarType>& mv, const int numvecs )
    { return Teuchos::rcp( const_cast<MultiVec<ScalarType>&>(mv).Clone(numvecs) ); }
    static Teuchos::RefCountPtr<MultiVec<ScalarType> > CloneCopy( const MultiVec<ScalarType>& mv )
    { return Teuchos::rcp( const_cast<MultiVec<ScalarType>&>(mv).CloneCopy() ); }
    static Teuchos::RefCountPtr<MultiVec<ScalarType> > CloneCopy( const MultiVec<ScalarType>& mv, const std::vector<int>& index )
    { return Teuchos::rcp( const_cast<MultiVec<ScalarType>&>(mv).CloneCopy(index) ); }
    static Teuchos::RefCountPtr<MultiVec<ScalarType> > CloneView( MultiVec<ScalarType>& mv, const std::vector<int>& index )
    { return Teuchos::rcp( mv.CloneView(index) ); }
    static Teuchos::RefCountPtr<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 )
    { mv.MvTransMv(alpha, A, B); }
    static void MvDot( const MultiVec<ScalarType>& mv, const MultiVec<ScalarType>& A, std::vector<ScalarType>* b )
    { mv.MvDot( A, b ); }
    static void MvNorm( const MultiVec<ScalarType>& mv, std::vector<typename Teuchos::ScalarTraits<ScalarType>::magnitudeType>* normvec, NormType type = TwoNorm )
    { mv.MvNorm(normvec,type); }
    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, ostream& os )
    { mv.MvPrint(os); }
    
  };


} // namespace Belos

#endif

// end of file BelosMultiVec.hpp

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