20#ifndef __DOLFIN_EIGEN_KRYLOV_SOLVER_H
21#define __DOLFIN_EIGEN_KRYLOV_SOLVER_H
25#include <dolfin/common/types.h>
26#include "GenericLinearSolver.h"
47 std::string preconditioner=
"default");
53 void set_operator(std::shared_ptr<const GenericLinearOperator> A);
59 void set_operators(std::shared_ptr<const GenericLinearOperator> A,
60 std::shared_ptr<const GenericLinearOperator> P);
64 std::shared_ptr<const EigenMatrix> P);
84 std::string
str(
bool verbose)
const;
87 static std::map<std::string, std::string>
methods();
97 {
return "krylov_solver"; }
102 void init(
const std::string method,
const std::string pc=
"default");
105 template <
typename Solver>
116 static const std::map<std::string, std::string> _methods_descr;
117 static const std::map<std::string, std::string> _pcs_descr;
120 std::shared_ptr<const EigenMatrix> _matA;
123 std::shared_ptr<const EigenMatrix> _matP;
Definition EigenKrylovSolver.h:41
static Parameters default_parameters()
Default parameter values.
Definition EigenKrylovSolver.cpp:68
std::shared_ptr< const EigenMatrix > get_operator() const
Get operator (matrix)
Definition EigenKrylovSolver.cpp:118
EigenKrylovSolver(std::string method="default", std::string preconditioner="default")
Definition EigenKrylovSolver.cpp:75
static std::map< std::string, std::string > preconditioners()
Return a list of available preconditioners.
Definition EigenKrylovSolver.cpp:63
void set_operator(std::shared_ptr< const GenericLinearOperator > A)
Set operator (matrix)
Definition EigenKrylovSolver.cpp:91
std::size_t solve(GenericVector &x, const GenericVector &b)
Solve linear system Ax = b and return number of iterations.
Definition EigenKrylovSolver.cpp:129
std::string parameter_type() const
Return parameter type: "krylov_solver" or "lu_solver".
Definition EigenKrylovSolver.h:96
static std::map< std::string, std::string > methods()
Return a list of available solver methods.
Definition EigenKrylovSolver.cpp:58
~EigenKrylovSolver()
Destructor.
Definition EigenKrylovSolver.cpp:85
void set_operators(std::shared_ptr< const GenericLinearOperator > A, std::shared_ptr< const GenericLinearOperator > P)
Set operator (matrix) and preconditioner matrix.
Definition EigenKrylovSolver.cpp:101
std::string str(bool verbose) const
Return informal string representation (pretty-print)
Definition EigenKrylovSolver.cpp:291
Definition EigenMatrix.h:47
Definition EigenVector.h:46
Definition GenericLinearOperator.h:43
This class provides a general solver for linear systems Ax = b.
Definition GenericLinearSolver.h:38
This class defines a common interface for vectors.
Definition GenericVector.h:48
Definition Parameters.h:95