Public Member Functions | |
template<class VECTOR > | |
void | vmult (VECTOR &, const VECTOR &) const |
template<class VECTOR > | |
void | Tvmult (VECTOR &, const VECTOR &) const |
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);
void PreconditionJacobi< MATRIX >::vmult | ( | VECTOR & | , | |
const VECTOR & | ||||
) | const [inline] |
Apply preconditioner.
void PreconditionJacobi< MATRIX >::Tvmult | ( | VECTOR & | , | |
const VECTOR & | ||||
) | const [inline] |
Apply transpose preconditioner. Since this is a symmetric preconditioner, this function is the same as vmult().