/usr/include/trilinos/Teko_AddPreconditionerFactory.hpp is in libtrilinos-teko-dev 12.4.2-2.
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// Teko: A package for block and physics based preconditioning
// Copyright 2010 Sandia Corporation
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#ifndef __Teko_AddPreconditionerFactory_hpp__
#define __Teko_AddPreconditionerFactory_hpp__
#include "Teko_BlockPreconditionerFactory.hpp"
#include "Teko_Utilities.hpp"
namespace Teko {
/** Preconditioning factories must supply a 'State' class which
* is where data specific to the preconditioner construction
* is stored. The constructor will be invoked elsewhere.
*/
class AddPrecondState : public Teko::BlockPreconditionerState {
public:
AddPrecondState() {}
Teuchos::RCP<BlockPreconditionerState> StateOne_;
Teuchos::RCP<BlockPreconditionerState> StateTwo_;
};
/** Declaration of preconditioner factory that creates
* a preconditioner which is the sum (additive) of two
* other preconditioners.
*/
class AddPreconditionerFactory
: public Teko::BlockPreconditionerFactory {
public:
//! Constructor
AddPreconditionerFactory(const Teuchos::RCP<const Teko::BlockPreconditionerFactory> & FirstFactory,
const Teuchos::RCP<const Teko::BlockPreconditionerFactory> & SecondFactory);
AddPreconditionerFactory();
//! Function inherited from Teko::BlockPreconditionerFactory
Teko::LinearOp buildPreconditionerOperator(Teko::BlockedLinearOp & blo,
Teko::BlockPreconditionerState & state) const;
//! Build the AddPrecondState object
virtual Teuchos::RCP<Teko::PreconditionerState> buildPreconditionerState() const;
protected:
// class members
Teuchos::RCP<const Teko::BlockPreconditionerFactory> FirstFactory_;
Teuchos::RCP<const Teko::BlockPreconditionerFactory> SecondFactory_;
//! Initialize from a parameter list
virtual void initializeFromParameterList(const Teuchos::ParameterList & pl);
};
} // end namespace Teko
#endif
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