/usr/include/trilinos/fei_Trilinos_Helpers.hpp is in libtrilinos-dev 10.4.0.dfsg-1ubuntu2.
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/* Copyright 2006 Sandia Corporation. */
/* Under the terms of Contract DE-AC04-94AL85000, there is a */
/* non-exclusive license for use of this work by or on behalf */
/* of the U.S. Government. Export of this program may require */
/* a license from the United States Government. */
/*--------------------------------------------------------------------*/
#ifndef _fei_Trilinos_Helpers_hpp_
#define _fei_Trilinos_Helpers_hpp_
#include "fei_trilinos_macros.hpp"
#include "fei_fwd.hpp"
#include <fei_Include_Trilinos.hpp>
#include <fei_mpi.h>
#include <fei_SharedPtr.hpp>
#include <fei_LinearProblemManager.hpp>
#include <fei_VectorSpace.hpp>
#include <fei_Reducer.hpp>
#include <fei_MatrixGraph.hpp>
namespace Trilinos_Helpers {
#ifdef HAVE_FEI_EPETRA
/** Epetra_Map objects are light-weight wrt copying, since they employ a
memory-model that uses a reference-counted pointer to an internal data
object. Thus, it is reasonable for this function to return a pass-by-value
Epetra_Map object.
*/
Epetra_Map create_Epetra_Map(MPI_Comm comm,
const std::vector<int>& local_eqns);
/** Epetra_BlockMap objects are light-weight wrt copying, since they employ a
memory-model that uses a reference-counted pointer to an internal data
object. Thus, it is reasonable for this function to return a pass-by-value
Epetra_BlockMap object.
*/
Epetra_BlockMap
create_Epetra_BlockMap(const fei::SharedPtr<fei::VectorSpace>& vecspace);
Epetra_CrsGraph
create_Epetra_CrsGraph(const fei::SharedPtr<fei::MatrixGraph>& matgraph,
bool blockEntries,
bool orderRowsWithLocalColsFirst=false);
fei::SharedPtr<fei::Matrix>
create_from_Epetra_Matrix(fei::SharedPtr<fei::MatrixGraph> matrixGraph,
bool blockEntryMatrix,
fei::SharedPtr<fei::Reducer> reducer,
bool orderRowsWithLocalColsFirst=false);
fei::SharedPtr<fei::Matrix>
create_from_LPM_EpetraBasic(fei::SharedPtr<fei::MatrixGraph> matrixGraph,
bool blockEntryMatrix,
fei::SharedPtr<fei::Reducer> reducer,
fei::SharedPtr<fei::LinearProblemManager>
lpm_epetrabasic);
#endif
/** Copies parameters from fei::ParameterSet to Teuchos::ParameterList.
Does not clear any pre-existing contents from the Teuchos:ParameterList.
*/
void copy_parameterset(const fei::ParameterSet& paramset,
Teuchos::ParameterList& paramlist);
/** Copies parameters from Teuchos::ParameterList to fei::ParameterSet.
Does not clear any pre-existing contents from the fei:ParameterSet.
*/
void copy_parameterlist(const Teuchos::ParameterList& paramlist,
fei::ParameterSet& paramset);
#ifdef HAVE_FEI_EPETRA
/** Extracts a pointer to a Epetra_MultiVector from a fei::Vector. Throws
an exception if unsuccessful.
*/
Epetra_MultiVector*
get_Epetra_MultiVector(fei::Vector* feivec, bool soln_vec);
/** Extracts a pointer to a Epetra_VbrMatrix from a fei::Matrix. Throws
an exception if unsuccessful.
*/
Epetra_VbrMatrix* get_Epetra_VbrMatrix(fei::Matrix* feimat);
/** Extracts a pointer to a Epetra_CrsMatrix from a fei::Matrix. Throws
an exception if unsuccessful.
*/
Epetra_CrsMatrix* get_Epetra_CrsMatrix(fei::Matrix* feimat);
/** Extracts pointers to epetra objects from fei container-objects.
If epetra objects can't be obtained, output arguments are set
to NULL.
*/
void get_Epetra_pointers(fei::SharedPtr<fei::Matrix> feiA,
fei::SharedPtr<fei::Vector> feix,
fei::SharedPtr<fei::Vector> feib,
Epetra_CrsMatrix*& crsA,
Epetra_Operator*& opA,
Epetra_MultiVector*& x,
Epetra_MultiVector*& b);
/** Fill the VbrMatrix with zeros. */
int zero_Epetra_VbrMatrix(Epetra_VbrMatrix* mat);
#endif // HAVE_FEI_EPETRA
}//namespace Trilinos_Helpers
#endif // _Trilinos_Helpers_hpp_
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