/usr/include/trilinos/Galeri_Problem.hpp is in libtrilinos-galeri-dev 12.10.1-3.
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//
// ***********************************************************************
//
// Galeri: Finite Element and Matrix Generation Package
// Copyright (2006) ETHZ/Sandia Corporation
//
// Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
// the U.S. Government retains certain rights in this software.
//
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// modification, are permitted provided that the following conditions are
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//
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// 3. Neither the name of the Corporation nor the names of the
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// Questions? Contact
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// Jonathan Hu (jhu@sandia.gov)
// Ray Tuminaro (rstumin@sandia.gov)
//
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// @HEADER
#ifndef GALERI_PROBLEM_HPP
#define GALERI_PROBLEM_HPP
#include <Teuchos_RCP.hpp>
#include "Galeri_ConfigDefs.h"
namespace Galeri {
namespace Xpetra {
enum {
DIR_LEFT = 0x01,
DIR_RIGHT = 0x02,
DIR_BOTTOM = 0x04,
DIR_TOP = 0x08,
DIR_FRONT = 0x10,
DIR_BACK = 0x20,
DIR_ALL = DIR_LEFT | DIR_RIGHT | DIR_BOTTOM | DIR_TOP | DIR_FRONT | DIR_BACK
};
typedef size_t DirBC;
template<typename Map, typename Matrix, typename MultiVector>
class Problem : public Teuchos::Describable {
public:
Problem(Teuchos::ParameterList& list) : list_(list) {
SetBoundary();
};
Problem(Teuchos::ParameterList& list, const Teuchos::RCP<const Map>& map) : list_(list) {
Map_ = map;
SetBoundary();
};
virtual ~Problem() { }
virtual Teuchos::RCP<Matrix> BuildMatrix() = 0;
virtual Teuchos::RCP<MultiVector> BuildCoords() {
TEUCHOS_TEST_FOR_EXCEPTION(true, std::runtime_error, "Coordinates construction is not implemented for this problem");
}
virtual Teuchos::RCP<MultiVector> BuildNullspace() {
TEUCHOS_TEST_FOR_EXCEPTION(true, std::runtime_error, "Nullspace construction is not implemented for this problem");
}
// Get methods
Teuchos::RCP<const Map> getMap() const { return Map_; }
Teuchos::RCP<const Matrix> getMatrix() const { return A_; }
Teuchos::RCP<const MultiVector> getNullspace() const { return Nullspace_; }
Teuchos::RCP<const MultiVector> getCoords() const { return Coords_; }
// Set methods
void setMap(const Teuchos::RCP<const Map>& map) { Map_ = map; }
protected:
Teuchos::ParameterList& list_;
Teuchos::RCP<const Map> Map_;
Teuchos::RCP<Matrix> A_;
Teuchos::RCP<MultiVector> Nullspace_;
Teuchos::RCP<MultiVector> Coords_;
DirBC DirichletBC_;
private:
void SetBoundary() {
DirichletBC_ = DIR_ALL;
if (this->list_.get("left boundary", "Dirichlet") == "Neumann") DirichletBC_ ^= DIR_LEFT;
if (this->list_.get("right boundary", "Dirichlet") == "Neumann") DirichletBC_ ^= DIR_RIGHT;
if (this->list_.get("bottom boundary", "Dirichlet") == "Neumann") DirichletBC_ ^= DIR_BOTTOM;
if (this->list_.get("top boundary", "Dirichlet") == "Neumann") DirichletBC_ ^= DIR_TOP;
if (this->list_.get("front boundary", "Dirichlet") == "Neumann") DirichletBC_ ^= DIR_FRONT;
if (this->list_.get("back boundary", "Dirichlet") == "Neumann") DirichletBC_ ^= DIR_BACK;
}
};
} // namespace Xpetra
} // namespace Galeri
#endif // GALERI_PROBLEM_HPP
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