AnasaziEigensolver.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.
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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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#ifndef ANASAZI_EIGENSOLVER_HPP
#define ANASAZI_EIGENSOLVER_HPP

#include "AnasaziConfigDefs.hpp"
#include "AnasaziTypes.hpp"

#include "AnasaziEigensolverDecl.hpp"
#include "AnasaziStatusTestDecl.hpp"

#include "AnasaziEigenproblem.hpp"
#include "AnasaziSortManager.hpp"
#include "AnasaziOutputManager.hpp"
#include "AnasaziOrthoManager.hpp"
#include "Teuchos_ParameterList.hpp"
#include "Teuchos_RefCountPtr.hpp"
#include "Teuchos_Array.hpp"


namespace Anasazi {

template<class ScalarType, class MV, class OP>
class Eigensolver {

  public:



  Eigensolver() {};


  Eigensolver( const Teuchos::RefCountPtr<Eigenproblem<ScalarType,MV,OP> > &problem, 
               const Teuchos::RefCountPtr<SortManager<ScalarType,MV,OP> > &sorter,
               const Teuchos::RefCountPtr<OutputManager<ScalarType> > &printer,
               const Teuchos::RefCountPtr<StatusTest<ScalarType,MV,OP> > &tester,
               const Teuchos::RefCountPtr<OrthoManager<ScalarType,MV> > &ortho,
               Teuchos::ParameterList &params );

  virtual ~Eigensolver() {};



  
  virtual void iterate() = 0;

  virtual void initialize() = 0;


    


  virtual int getNumIters() const = 0;

  virtual void resetNumIters() = 0;

  virtual Teuchos::RefCountPtr<const MV> getRitzVectors() = 0;

  virtual std::vector<Value<ScalarType> > getRitzValues() = 0;

  virtual std::vector<int> getRitzIndex() = 0;


  virtual std::vector<typename Teuchos::ScalarTraits<ScalarType>::magnitudeType> getResNorms() = 0;

  virtual std::vector<typename Teuchos::ScalarTraits<ScalarType>::magnitudeType> getRes2Norms() = 0;

  virtual std::vector<typename Teuchos::ScalarTraits<ScalarType>::magnitudeType> getRitzRes2Norms() = 0;

  virtual int getCurSubspaceDim() const = 0;

  virtual int getMaxSubspaceDim() const = 0;



  


  virtual const Eigenproblem<ScalarType,MV,OP>& getProblem() const = 0;

  virtual int getBlockSize() const = 0;
  
  virtual void setBlockSize(int blockSize) = 0;

  virtual void setAuxVecs(const Teuchos::Array<Teuchos::RefCountPtr<const MV> > &auxvecs) = 0;

  virtual Teuchos::Array<Teuchos::RefCountPtr<const MV> > getAuxVecs() const = 0;

  virtual bool isInitialized() = 0;




  virtual void currentStatus(ostream &os) = 0;

  
};

} // end Anasazi namespace

#endif /* ANASAZI_EIGENSOLVER_HPP */

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