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// ************************************************************************
//
// Piro: Strategy package for embedded analysis capabilitites
// Copyright (2010) Sandia Corporation
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#ifndef PIRO_EPETRA_INVERSEMASSMATRIXDECORATOR_H
#define PIRO_EPETRA_INVERSEMASSMATRIXDECORATOR_H
#include <iostream>
#include "Epetra_CrsMatrix.h"
#include "Epetra_Vector.h"
#include "Epetra_LocalMap.h"
#include "EpetraExt_ModelEvaluator.h"
#include "Thyra_LinearOpWithSolveFactoryHelpers.hpp"
#include "Thyra_LinearOpWithSolveHelpers.hpp"
namespace Piro {
namespace Epetra {
class InvertMassMatrixDecorator
: public EpetraExt::ModelEvaluator
{
typedef double Scalar;
public:
/** \name Constructors/initializers */
//@{
/** \brief Takes the number of elements in the discretization . */
InvertMassMatrixDecorator(
Teuchos::RCP<Teuchos::ParameterList> stratParams,
Teuchos::RCP<EpetraExt::ModelEvaluator>& model,
bool massMatrixIsConstant=true,
bool lumpMassMatrix=false,
bool massMatrixIsCoeffOfSecondDeriv=false
);
//@}
~InvertMassMatrixDecorator();
/** \name Overridden from EpetraExt::ModelEvaluator . */
//@{
Teuchos::RCP<const Epetra_Map> get_g_map(int j) const;
/** \brief . */
Teuchos::RCP<const Epetra_Vector> get_p_init(int l) const;
/** \brief . */
Teuchos::RCP<Epetra_Operator> create_W() const;
/** \brief . */
EpetraExt::ModelEvaluator::InArgs createInArgs() const;
/** \brief . */
EpetraExt::ModelEvaluator::OutArgs createOutArgs() const;
/** \brief . */
void evalModel( const InArgs& inArgs, const OutArgs& outArgs ) const;
private:
/** \brief . */
Teuchos::RCP<const Epetra_Map> get_x_map() const;
/** \brief . */
Teuchos::RCP<const Epetra_Map> get_f_map() const;
/** \brief . */
Teuchos::RCP<const Epetra_Vector> get_x_init() const;
/** \brief . */
Teuchos::RCP<const Epetra_Vector> get_x_dot_init() const;
/** \brief . */
Teuchos::RCP<const Epetra_Map> get_p_map(int l) const;
//@}
private:
//These are set in the constructor and used in evalModel
Teuchos::RCP<EpetraExt::ModelEvaluator> model;
Teuchos::RCP<Epetra_Vector> x_dot;
//Teuchos::RCP<Epetra_CrsMatrix> massMatrix;
Teuchos::RCP<Epetra_Operator> massMatrix;
Teuchos::RCP<Thyra::LinearOpWithSolveFactoryBase<double> > lowsFactory;
bool massMatrixIsConstant; // User Setting
bool lumpMassMatrix; // User Setting to rowSum Matrix
bool massMatrixIsCoeffOfSecondDeriv; // Set to true for x_dotdot acceleration problems
Teuchos::RCP<Epetra_Vector> invDiag;
// The following get modified in evalModel and so are mutable
mutable Teuchos::RCP<Thyra::LinearOpWithSolveBase<double> > lows;
mutable bool calcMassMatrix; //Internal flag
mutable Teuchos::RCP<const Thyra::LinearOpBase<double> > A;
};
}
}
#endif
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