/usr/include/trilinos/fei_Solver_AztecOO.hpp is in libtrilinos-dev 10.4.0.dfsg-1ubuntu2.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 | #ifndef _fei_Solver_AztecOO_h_
#define _fei_Solver_AztecOO_h_
/*--------------------------------------------------------------------*/
/* Copyright 2005 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. */
/*--------------------------------------------------------------------*/
#include <fei_trilinos_macros.hpp>
#ifdef HAVE_FEI_AZTECOO
#include <fei_macros.hpp>
#include <fei_Solver.hpp>
#include <fei_Logger.hpp>
#ifdef HAVE_FEI_TEUCHOS
namespace Teuchos {
class ParameterList;
}
#endif
class AztecOO;
class Epetra_CrsMatrix;
#ifdef HAVE_FEI_ML
#include <ml_include.h>
#include <ml_epetra_preconditioner.h>
#endif
/** fei::Solver implementation that wraps Trilinos/AztecOO.
*/
class Solver_AztecOO : public fei::Solver, private fei::Logger {
public:
/** Constructor
No arguments required at construction time.
*/
Solver_AztecOO();
/** Destructor
*/
virtual ~Solver_AztecOO();
/** Method that accepts a fei::LinearSystem, extracts
Epetra matrix/vector objects (A, x, b), and solves
the linear-system using AztecOO::Iterate. (After
first attempting to parse control parameters that
may specify things like tolerance, solver algorithm,
etc.)
@param numParams Number of solver-parameters (number
of strings in the 'solverParams' list-of-strings)
@param solverParams List of strings which are assumed
to contain space-separated control parameters like
"AZ_solver AZ_gmres", "AZ_tol 1.e-6", etc.
*/
int solve(fei::LinearSystem* linearSystem,
fei::Matrix* preconditioningMatrix,
int numParams,
const char* const* solverParams,
int& iterationsTaken,
int& status);
/** Method that accepts a fei::LinearSystem, extracts
Epetra matrix/vector objects (A, x, b), and solves
the linear-system using AztecOO::Iterate. (After
first attempting to parse control parameters that
may specify things like tolerance, solver algorithm,
etc.)
@param parameterSet Object containing control
parameters. It may have been populated using
statements like:
parameterSet.add(fei::Param("AZ_tol", 1.e-8));
Note that if AZ_tol and/or AZ_max_iter are specified here,
these values will override values that may have been
set via the setMaxIters() and setTolerance() methods.
*/
int solve(fei::LinearSystem* linearSystem,
fei::Matrix* preconditioningMatrix,
const fei::ParameterSet& parameterSet,
int& iterationsTaken,
int& status);
AztecOO& getAztecOO();
Teuchos::ParameterList& get_ParameterList();
void setMaxIters(int maxits) {maxIters_ = maxits;}
void setTolerance(double tol) {tolerance_ = tol;}
void setUseTranspose(bool useTrans) {useTranspose_ = useTrans;}
void setUseML(bool useml);
private:
int setup_ml_operator(AztecOO& azoo, Epetra_CrsMatrix* A);
private:
AztecOO* azoo_;
double tolerance_;
int maxIters_;
bool useTranspose_;
Teuchos::ParameterList* paramlist_;
bool useML_;
#ifdef HAVE_FEI_ML
ML_Epetra::MultiLevelPreconditioner* ml_prec_;
bool ml_defaults_set_;
int *ml_aztec_options_;
double *ml_aztec_params_;
#endif
std::string name_;
std::string dbgprefix_;
}; //class Solver_AztecOO
#endif // HAVE_FEI_AZTECOO
#endif
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