Thyra_BlockedLinearOpBase.hpp

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//    Thyra: Interfaces and Support for Abstract Numerical Algorithms
//                 Copyright (2004) Sandia Corporation
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#ifndef THYRA_BLOCKED_LINEAR_OP_BASE_HPP
#define THYRA_BLOCKED_LINEAR_OP_BASE_HPP

#include "Thyra_LinearOpBase.hpp"

namespace Thyra {

template <class Scalar> class ProductVectorSpaceBase;

template<class RangeScalar, class DomainScalar=RangeScalar>
class BlockedLinearOpBase : virtual public LinearOpBase<RangeScalar,DomainScalar> {
public:

  virtual Teuchos::RefCountPtr<const ProductVectorSpaceBase<RangeScalar> >
  productRange() const = 0;

  virtual Teuchos::RefCountPtr<const ProductVectorSpaceBase<DomainScalar> >
  productDomain() const = 0;

  virtual bool blockExists(const int i, const int j) const = 0; 

  virtual bool blockIsConst(const int i, const int j) const = 0; 

  virtual Teuchos::RefCountPtr<LinearOpBase<RangeScalar,DomainScalar> >
  getNonconstBlock(const int i, const int j) = 0; 

  virtual Teuchos::RefCountPtr<const LinearOpBase<RangeScalar,DomainScalar> >
  getBlock(const int i, const int j) const = 0; 

};

} // namespace Thyra

#endif // THYRA_BLOCKED_LINEAR_OP_BASE_HPP

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