
Public Member Functions | |
| template<class VECTOR > | |
| void | vmult (VECTOR &, const VECTOR &) const |
| template<class VECTOR > | |
| void | Tvmult (VECTOR &, const VECTOR &) const |
| template<class VECTOR > | |
| void | step (VECTOR &x, const VECTOR &rhs) const |
| template<class VECTOR > | |
| void | Tstep (VECTOR &x, const VECTOR &rhs) const |
Jacobi preconditioner using matrix built-in function. The MATRIX class used is required to have a function precondition_Jacobi(VECTOR&, const VECTOR&, double)
// Declare related objects SparseMatrix<double> A; Vector<double> x; Vector<double> b; SolverCG<> solver(...); //...initialize and build A // Define and initialize preconditioner PreconditionJacobi<SparseMatrix<double> > precondition; precondition.initialize (A, .6); solver.solve (A, x, b, precondition);
Definition at line 415 of file precondition.h.
| void PreconditionJacobi< MATRIX >::vmult | ( | VECTOR & | , |
| const VECTOR & | |||
| ) | const |
Apply preconditioner.
| void PreconditionJacobi< MATRIX >::Tvmult | ( | VECTOR & | , |
| const VECTOR & | |||
| ) | const |
Apply transpose preconditioner. Since this is a symmetric preconditioner, this function is the same as vmult().
| void PreconditionJacobi< MATRIX >::step | ( | VECTOR & | x, |
| const VECTOR & | rhs | ||
| ) | const |
Perform one step of the preconditioned Richardson iteration.
| void PreconditionJacobi< MATRIX >::Tstep | ( | VECTOR & | x, |
| const VECTOR & | rhs | ||
| ) | const |
Perform one transposed step of the preconditioned Richardson iteration.
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