/usr/include/trilinos/Teko_ReorderedLinearOp.hpp is in libtrilinos-teko-dev 12.12.1-5.
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// Teko: A package for block and physics based preconditioning
// Copyright 2010 Sandia Corporation
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// Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
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#ifndef __Teko_ReorderedLinearOp_hpp__
#define __Teko_ReorderedLinearOp_hpp__
#include "Teko_Utilities.hpp"
#include "Teko_ImplicitLinearOp.hpp"
#include "Teko_BlockedReordering.hpp"
namespace Teko {
/** \brief This class takes a blocked linear op and represents it
* in a flattened form.
*/
class ReorderedLinearOp : public ImplicitLinearOp {
public:
ReorderedLinearOp(const Teuchos::RCP<const BlockReorderManager> & mgr,
const Teuchos::RCP<Thyra::LinearOpBase<double> > & blockedOp);
//! Get accessor to make reuse easier
Teuchos::RCP<const BlockReorderManager> getReorderManager() const
{ return mgr_; }
//! Get accessor to make reuse easier
Teko::ModifiableLinearOp getBlockedOp() const
{ return blockedOp_; }
/** @brief Range space of this operator */
virtual VectorSpace range() const;
/** @brief Domain space of this operator */
virtual VectorSpace domain() const;
/** @brief Perform a matrix vector multiply with this implicitly
* defined blocked operator.
*
* The <code>apply</code> function takes one vector as input
* and applies a linear operator. The result
* is returned in \f$y\f$. If this operator is reprsented as \f$M\f$ then
* \f$ y = \alpha M x + \beta y \f$
*
* @param[in] x
* @param[in,out] y
* @param[in] alpha (default=1)
* @param[in] beta (default=0)
*/
virtual void implicitApply(const MultiVector & x, MultiVector & y,
const double alpha = 1.0, const double beta = 0.0) const;
private:
VectorSpace range_;
VectorSpace domain_;
Teuchos::RCP<const BlockReorderManager> mgr_;
Teuchos::RCP<Thyra::LinearOpBase<double> > blockedOp_;
};
} // end namespace Teko
#endif
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