Arcane  4.1.12.0
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Arcane::Alina::FlexibleGMRESSolverParams Struct Reference

Parameters for FlexibleGMRES solver. More...

#include </__w/arcaneframework.github.io/arcaneframework.github.io/framework/arccore/src/alina/arccore/alina/FlexibleGMRESSolver.h>

Collaboration diagram for Arcane::Alina::FlexibleGMRESSolverParams:

Public Types

using params = FlexibleGMRESSolverParams

Public Member Functions

 FlexibleGMRESSolverParams (const PropertyTree &p)
void get (PropertyTree &p, const std::string &path) const

Public Attributes

Int32 M = 30
 Number of inner GMRES iterations per each outer iteration.
Int32 maxiter = 100
 Maximum number of iterations.
double tol = 1.0e-8
 Target relative residual error.
double abstol = std::numeric_limits<double>::min()
 Target absolute residual error.
bool ns_search = false
 Ignore the trivial solution x=0 when rhs is zero.
bool verbose = false
 Verbose output (show iterations and error).

Detailed Description

Parameters for FlexibleGMRES solver.

Definition at line 40 of file FlexibleGMRESSolver.h.

Member Typedef Documentation

◆ params

using Arcane::Alina::FlexibleGMRESSolverParams::params = FlexibleGMRESSolverParams

Definition at line 42 of file FlexibleGMRESSolver.h.

Constructor & Destructor Documentation

◆ FlexibleGMRESSolverParams()

Arcane::Alina::FlexibleGMRESSolverParams::FlexibleGMRESSolverParams ( const PropertyTree & p)
inline

Definition at line 68 of file FlexibleGMRESSolver.h.

Member Function Documentation

◆ get()

void Arcane::Alina::FlexibleGMRESSolverParams::get ( PropertyTree & p,
const std::string & path ) const
inline

Definition at line 79 of file FlexibleGMRESSolver.h.

Member Data Documentation

◆ abstol

double Arcane::Alina::FlexibleGMRESSolverParams::abstol = std::numeric_limits<double>::min()

Target absolute residual error.

Definition at line 54 of file FlexibleGMRESSolver.h.

◆ M

Int32 Arcane::Alina::FlexibleGMRESSolverParams::M = 30

Number of inner GMRES iterations per each outer iteration.

Definition at line 45 of file FlexibleGMRESSolver.h.

◆ maxiter

Int32 Arcane::Alina::FlexibleGMRESSolverParams::maxiter = 100

Maximum number of iterations.

Definition at line 48 of file FlexibleGMRESSolver.h.

◆ ns_search

bool Arcane::Alina::FlexibleGMRESSolverParams::ns_search = false

Ignore the trivial solution x=0 when rhs is zero.

Useful for searching for the null-space vectors of the system.

Definition at line 61 of file FlexibleGMRESSolver.h.

◆ tol

double Arcane::Alina::FlexibleGMRESSolverParams::tol = 1.0e-8

Target relative residual error.

Definition at line 51 of file FlexibleGMRESSolver.h.

◆ verbose

bool Arcane::Alina::FlexibleGMRESSolverParams::verbose = false

Verbose output (show iterations and error).

Definition at line 64 of file FlexibleGMRESSolver.h.

The documentation for this struct was generated from the following file: