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Teko_BlockImplicitLinearOp.hpp
1 // @HEADER
2 // *****************************************************************************
3 // Teko: A package for block and physics based preconditioning
4 //
5 // Copyright 2010 NTESS and the Teko contributors.
6 // SPDX-License-Identifier: BSD-3-Clause
7 // *****************************************************************************
8 // @HEADER
9 
10 #ifndef __Teko_BlockImplicitLinearOp_hpp__
11 #define __Teko_BlockImplicitLinearOp_hpp__
12 
13 #include "Teko_Utilities.hpp"
14 
15 namespace Teko {
16 
24 class BlockImplicitLinearOp : public Thyra::LinearOpBase<double> {
25  public:
27  virtual VectorSpace range() const = 0;
28 
30  virtual VectorSpace domain() const = 0;
31 
45  virtual void implicitApply(const BlockedMultiVector& x, BlockedMultiVector& y,
46  const double alpha = 1.0, const double beta = 0.0) const = 0;
47 
61  virtual void implicitApply(const Thyra::EOpTransp M_trans, const BlockedMultiVector& x,
62  BlockedMultiVector& y, const double alpha = 1.0,
63  const double beta = 0.0) const;
64 
65  protected:
67 
68 
69  virtual bool opSupportedImpl(const Thyra::EOpTransp M_trans) const;
70 
71  virtual void applyImpl(const Thyra::EOpTransp M_trans, const Thyra::MultiVectorBase<double>& x,
72  const Teuchos::Ptr<Thyra::MultiVectorBase<double> >& y, const double alpha,
73  const double beta) const;
74 
76 };
77 
78 } // end namespace Teko
79 
80 #endif
virtual void implicitApply(const BlockedMultiVector &x, BlockedMultiVector &y, const double alpha=1.0, const double beta=0.0) const =0
Perform a matrix vector multiply with this implicitly defined blocked operator.
virtual bool opSupportedImpl(const Thyra::EOpTransp M_trans) const
Functions required by Thyra::LinearOpBase.
A virtual class that simplifies the construction of custom operators.
virtual VectorSpace domain() const =0
Domain space of this operator.
virtual VectorSpace range() const =0
Range space of this operator.