BelosGCRODRIteration.hpp

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// @HEADER
// *****************************************************************************
//                 Belos: Block Linear Solvers Package
//
// Copyright 2004-2016 NTESS and the Belos contributors.
// SPDX-License-Identifier: BSD-3-Clause
// *****************************************************************************
// @HEADER
 
#ifndef BELOS_GCRODR_ITERATION_HPP
#define BELOS_GCRODR_ITERATION_HPP

 
#include "BelosConfigDefs.hpp"
#include "BelosTypes.hpp"
#include "BelosIteration.hpp"
 
namespace Belos {
 
template <class ScalarType, class MV, class DM>
struct GCRODRIterState;

template<class ScalarType, class MV, class OP, class DM = DefaultDenseMatrix<int, ScalarType> >
class GCRODRIteration : virtual public Iteration<ScalarType,MV,OP,DM> {
public:
  virtual ~GCRODRIteration() {}
 
  using Iteration<ScalarType,MV,OP,DM>::initialize;
  virtual void initialize(GCRODRIterState<ScalarType,MV,DM>& newstate) = 0;
 
  virtual GCRODRIterState<ScalarType,MV,DM> getState() const = 0;
 
  virtual void updateLSQR(int dim = -1) = 0;
 
  virtual int getCurSubspaceDim() const = 0;
 
  virtual int getMaxSubspaceDim() const = 0;
 
  virtual void setSize(int recycledBlocks, int numBlocks) = 0;
};
 
} // namespace Belos
 
#endif // BELOS_GCRODR_ITERATION_HPP