Teko_LU2x2PreconditionerFactory.hpp

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//      Teko: A package for block and physics based preconditioning
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#ifndef __Teko_LU2x2PreconditionerFactory_hpp__
#define __Teko_LU2x2PreconditionerFactory_hpp__
 
#include "Teuchos_RCP.hpp"
 
#include "Teko_BlockPreconditionerFactory.hpp"
#include "Teko_LU2x2Strategy.hpp"
 
namespace Teko {
 
class LU2x2PreconditionerFactory : public BlockPreconditionerFactory {
public:
 
 
   LU2x2PreconditionerFactory(LinearOp & invA00,LinearOp & invS);
 
   LU2x2PreconditionerFactory(LinearOp & hatInvA00,LinearOp & tildeInvA00,LinearOp & invS);
 
   LU2x2PreconditionerFactory(const Teuchos::RCP<LU2x2Strategy> & strategy);
 
 
   LU2x2PreconditionerFactory();
 
 
   LinearOp buildPreconditionerOperator(BlockedLinearOp & blo,BlockPreconditionerState & state) const;
 
   virtual void initializeFromParameterList(const Teuchos::ParameterList & settings);
 
   virtual Teuchos::RCP<Teuchos::ParameterList> getRequestedParameters() const;
   
   virtual bool updateRequestedParameters(const Teuchos::ParameterList & pl);
 
   virtual bool useFullLDU() const { return useFullLDU_; }
 
   virtual void setFullLDU(bool value)
   { useFullLDU_ = value; }
 
protected: 
   using Teko::BlockPreconditionerFactory::buildPreconditionerOperator;
 
   Teuchos::RCP<LU2x2Strategy> invOpsStrategy_;
 
   bool useFullLDU_;
 
public:
   static RCP<LU2x2Strategy> 
   buildStrategy(const std::string & name, 
                 const Teuchos::ParameterList & settings,
                 const RCP<const InverseLibrary> & invLib,
                 const RCP<RequestHandler> & rh);
 
   static void addStrategy(const std::string & name,const RCP<Cloneable> & clone);
 
private:
   static CloneFactory<LU2x2Strategy> strategyBuilder_;
 
   static void initializeStrategyBuilder();
};
 
} // end namespace Teko
 
#endif