TNL::Solvers::Linear::HypreILU Class Reference

Wrapper for Hypre's native parallel ILU preconditioner. More...

#include <TNL/Solvers/Linear/Hypre.h>

Inheritance diagram for TNL::Solvers::Linear::HypreILU:

Collaboration diagram for TNL::Solvers::Linear::HypreILU:

Public Member Functions
	HypreILU (const Matrices::HypreParCSRMatrix &A)
void	setPrintLevel (HYPRE_Int print_level)
	Set the print level: 0 = none, 1 = setup, 2 = solve, 3 = setup+solve.
HYPRE_PtrToParSolverFcn	setupFcn () const override
	Hypre's internal setup function.
HYPRE_PtrToParSolverFcn	solveFcn () const override
	Hypre's internal solve function.
Public Member Functions inherited from TNL::Solvers::Linear::HypreSolver
	HypreSolver (const Matrices::HypreParCSRMatrix &A)
virtual	operator HYPRE_Solver () const
	Type-cast to HYPRE_Solver.
void	setErrorMode (ErrorMode err_mode) const
	Set the behavior for treating Hypre errors, see the ErrorMode enum. The default mode in the base class is ABORT_HYPRE_ERRORS.
virtual void	setMatrix (const Matrices::HypreParCSRMatrix &op, bool reuse_setup=false)
	Set the matrix of the linear system to be solved.
virtual void	setup (const Containers::HypreParVector &b, Containers::HypreParVector &x) const
	Setup the solver for solving the linear system Ax=b.
virtual void	solve (const Containers::HypreParVector &b, Containers::HypreParVector &x) const
	Solve the linear system Ax=b.

Additional Inherited Members
Public Types inherited from TNL::Solvers::Linear::HypreSolver
enum	ErrorMode { IGNORE_HYPRE_ERRORS , WARN_HYPRE_ERRORS , ABORT_HYPRE_ERRORS }
	How to treat errors returned by Hypre function calls. More...
Protected Member Functions inherited from TNL::Solvers::Linear::HypreSolver
virtual void	postSolveHook () const
	Hook function that is called at the end of solve.
Protected Attributes inherited from TNL::Solvers::Linear::HypreSolver
const Matrices::HypreParCSRMatrix *	A = nullptr
	The linear system matrix.
ErrorMode	error_mode = ABORT_HYPRE_ERRORS
	How to treat Hypre errors.
bool	setup_called = false
	Indicates if Hypre's setup function was already called.
HYPRE_Solver	solver = nullptr
	Handle for the Hypre solver.

Detailed Description

Wrapper for Hypre's native parallel ILU preconditioner.

Parameters can be set using native Hypre functions, e.g.

TNL::Solvers::Linear::HypreILU precond;
HYPRE_ILUSetLevelOfFill(precond, 1);

See the Hypre Reference Manual for the available parameters.

Member Function Documentation

setupFcn()

HYPRE_PtrToParSolverFcn TNL::Solvers::Linear::HypreILU::setupFcn ( ) const

inlineoverridevirtual

Hypre's internal setup function.

Implements TNL::Solvers::Linear::HypreSolver.

solveFcn()

HYPRE_PtrToParSolverFcn TNL::Solvers::Linear::HypreILU::solveFcn ( ) const

inlineoverridevirtual

Hypre's internal solve function.

Implements TNL::Solvers::Linear::HypreSolver.

---

The documentation for this class was generated from the following files:

• src/TNL/Solvers/Linear/Hypre.h
• src/TNL/Solvers/Linear/Hypre.hpp