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| ISTLBackend_NOVLP_BASE_PREC (const GO &grid_operator, unsigned maxiter_=5000, unsigned steps_=5, int verbose_=1) |
| Constructor.
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template<class Vector > |
Vector::ElementType | norm (const Vector &v) const |
| Compute global norm of a vector.
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template<class M , class V , class W > |
void | apply (M &A, V &z, W &r, typename V::ElementType reduction) |
| Solve the given linear system.
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const Dune::PDELab::LinearSolverResult< double > & | result () const |
| Return access to result data.
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template<class GO, template< class, class, class, int > class Preconditioner, template< class > class Solver>
class Dune::PDELab::ISTLBackend_NOVLP_BASE_PREC< GO, Preconditioner, Solver >
Utility base class for preconditioned novlp backends.
- Template Parameters
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GO | The type of the grid operator for the spatial discretization. This class will be used to adjust the discretization matrix. and extract the trial grid function space. |
Preconditioner | The type of preconditioner to use. |
Solver | The type of solver to use. |
template<class GO , template< class, class, class, int > class Preconditioner, template< class > class Solver>
template<class M , class V , class W >
Solve the given linear system.
- Parameters
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[in] | A | the given matrix |
[out] | z | the solution vector to be computed |
[in] | r | right hand side |
[in] | reduction | to be achieved |