bitpit::KSPOptions Struct Reference

Public Member Functions
	KSPOptions ()
	Deprecated, it has never had any effect on the solution of the system.

Public Attributes
PetscScalar	atol
	Relative convergence tolerance, relative decrease in the preconditioned residual norm.
PetscBool	initial_non_zero
	Number of levels of fill used by the preconditioner.
PetscInt	levels
	Overlap between a pair of subdomains for the partitioned preconditioner.
PetscInt	maxits
	Number of iterations at which the GMRES method restarts.
PetscInt	overlap
PetscInt	restart
	Tells the iterative solver that the initial guess is nonzero.
PetscScalar	rtol
	Maximum number of iterations.
PetscInt	sublevels
	Absolute convergence tolerance, absolute size of the preconditioned residual norm.
PetscScalar	subrtol
	Deprecated, ASM ILU levels should be set using the "levels" member.

Detailed Description

Examples

LA_example_00001.cpp.

Definition at line 40 of file system_solvers_large.hpp.

Constructor & Destructor Documentation

KSPOptions()

bitpit::KSPOptions::KSPOptions ( )

inline

Deprecated, it has never had any effect on the solution of the system.

Definition at line 53 of file system_solvers_large.hpp.

Member Data Documentation

atol

PetscScalar bitpit::KSPOptions::atol

Relative convergence tolerance, relative decrease in the preconditioned residual norm.

Examples

LA_example_00001.cpp.

Definition at line 48 of file system_solvers_large.hpp.

initial_non_zero

PetscBool bitpit::KSPOptions::initial_non_zero

Number of levels of fill used by the preconditioner.

Examples

LA_example_00001.cpp.

Definition at line 44 of file system_solvers_large.hpp.

levels

PetscInt bitpit::KSPOptions::levels

Overlap between a pair of subdomains for the partitioned preconditioner.

Definition at line 42 of file system_solvers_large.hpp.

maxits

PetscInt bitpit::KSPOptions::maxits

Number of iterations at which the GMRES method restarts.

Examples

LA_example_00001.cpp.

Definition at line 46 of file system_solvers_large.hpp.

overlap

PetscInt bitpit::KSPOptions::overlap

Definition at line 41 of file system_solvers_large.hpp.

restart

PetscInt bitpit::KSPOptions::restart

Tells the iterative solver that the initial guess is nonzero.

Definition at line 45 of file system_solvers_large.hpp.

rtol

PetscScalar bitpit::KSPOptions::rtol

Maximum number of iterations.

Examples

LA_example_00001.cpp.

Definition at line 47 of file system_solvers_large.hpp.

sublevels

PetscInt bitpit::KSPOptions::sublevels

Absolute convergence tolerance, absolute size of the preconditioned residual norm.

Definition at line 50 of file system_solvers_large.hpp.

subrtol

PetscScalar bitpit::KSPOptions::subrtol

Deprecated, ASM ILU levels should be set using the "levels" member.

Definition at line 51 of file system_solvers_large.hpp.

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

• src/LA/system_solvers_large.hpp