uBLASKrylovSolver.h¶
Note
The documentation on this page was automatically extracted from the DOLFIN C++ code and may need to be edited or expanded.
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class
uBLASKrylovSolver
¶ Parent class(es)
This class implements Krylov methods for linear systems of the form Ax = b using uBLAS data types.
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uBLASKrylovSolver
(std::string method = "default", std::string preconditioner = "default")¶ Create Krylov solver for a particular method and preconditioner
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uBLASKrylovSolver
(uBLASPreconditioner &pc)¶ Create Krylov solver for a particular uBLASPreconditioner
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uBLASKrylovSolver
(std::string method, uBLASPreconditioner &pc)¶ Create Krylov solver for a particular method and uBLASPreconditioner
Solve the operator (matrix)
Set operator (matrix) and preconditioner matrix
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const GenericLinearOperator &
get_operator
() const¶ Return the operator (matrix)
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std::size_t
solve
(GenericVector &x, const GenericVector &b)¶ Solve linear system Ax = b and return number of iterations
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std::size_t
solve
(const GenericLinearOperator &A, GenericVector &x, const GenericVector &b)¶ Solve linear system Ax = b and return number of iterations
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static std::vector<std::pair<std::string, std::string>>
methods
()¶ Return a list of available solver methods
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static std::vector<std::pair<std::string, std::string>>
preconditioners
()¶ Return a list of available preconditioners
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static Parameters
default_parameters
()¶ Default parameter values
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std::size_t
solve_krylov
(const MatA &A, uBLASVector &x, const uBLASVector &b, const MatP &P)¶ Select solver and solve linear system Ax = b and return number of iterations
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std::size_t
solveCG
(const Mat &A, uBLASVector &x, const uBLASVector &b, bool &converged) const¶ Solve linear system Ax = b using CG
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std::size_t
solveGMRES
(const Mat &A, uBLASVector &x, const uBLASVector &b, bool &converged) const¶ Solve linear system Ax = b using restarted GMRES
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std::size_t
solveBiCGStab
(const Mat &A, uBLASVector &x, const uBLASVector &b, bool &converged) const¶ Solve linear system Ax = b using BiCGStab
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void
select_preconditioner
(std::string preconditioner)¶ Select and create named preconditioner
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void
read_parameters
()¶ Read solver parameters
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