dune-istl 3.0-git
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conjugate gradient method More...
#include <dune/istl/solvers.hh>
Public Types | |
typedef X | domain_type |
The domain type of the operator to be inverted. | |
typedef X | range_type |
The range type of the operator to be inverted. | |
typedef X::field_type | field_type |
The field type of the operator to be inverted. | |
typedef FieldTraits< field_type >::real_type | real_type |
The real type of the field type (is the same if using real numbers, but differs for std::complex) | |
Public Member Functions | |
template<class L , class P > | |
CGSolver (L &op, P &prec, real_type reduction, int maxit, int verbose) | |
Set up conjugate gradient solver. | |
template<class L , class S , class P > | |
CGSolver (L &op, S &sp, P &prec, real_type reduction, int maxit, int verbose) | |
Set up conjugate gradient solver. | |
virtual void | apply (X &x, X &b, InverseOperatorResult &res) |
Apply inverse operator. | |
virtual void | apply (X &x, X &b, double reduction, InverseOperatorResult &res) |
Apply inverse operator with given reduction factor. | |
Protected Types | |
enum | |
Protected Member Functions | |
void | printHeader (std::ostream &s) const |
helper function for printing header of solver output | |
void | printOutput (std::ostream &s, const CountType &iter, const DataType &norm, const DataType &norm_old) const |
helper function for printing solver output | |
void | printOutput (std::ostream &s, const CountType &iter, const DataType &norm) const |
helper function for printing solver output | |
conjugate gradient method
typedef X Dune::CGSolver< X >::domain_type |
The domain type of the operator to be inverted.
typedef X::field_type Dune::CGSolver< X >::field_type |
The field type of the operator to be inverted.
typedef X Dune::CGSolver< X >::range_type |
The range type of the operator to be inverted.
typedef FieldTraits<field_type>::real_type Dune::CGSolver< X >::real_type |
The real type of the field type (is the same if using real numbers, but differs for std::complex)
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inline |
Set up conjugate gradient solver.
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inline |
Set up conjugate gradient solver.
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inlinevirtual |
Apply inverse operator with given reduction factor.
apply inverse operator, with given convergence criteria.
x | The left hand side to store the result in. |
b | The right hand side |
reduction | The minimum defect reduction to achieve. |
res | Object to store the statistics about applying the operator. |
SolverAbort | When the solver detects a problem and cannot continue |
Implements Dune::InverseOperator< X, X >.
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inlinevirtual |
Apply inverse operator.
Apply inverse operator,.
x | The left hand side to store the result in. |
b | The right hand side |
res | Object to store the statistics about applying the operator. |
SolverAbort | When the solver detects a problem and cannot continue |
Implements Dune::InverseOperator< X, X >.
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inlineprotectedinherited |
helper function for printing header of solver output
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inlineprotectedinherited |
helper function for printing solver output
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inlineprotectedinherited |
helper function for printing solver output