Moose::MFEM::MatrixFreeAMS Class Reference

Wrapper for mfem::MatrixFreeAMS solver that creates an mfem::MatrixFreeAMS solver from the operator when set. More...

#include <MFEMMatrixFreeAMS.h>

Inheritance diagram for Moose::MFEM::MatrixFreeAMS:

Public Member Functions
	MatrixFreeAMS (mfem::Coefficient &alpha_coef, mfem::Coefficient &beta_coef, int inner_pi_its=0, int inner_g_its=1)
void	SetBilinearForm (mfem::ParBilinearForm &a)
	Set the bilinear form corresponding to the curl-curl problem being preconditioned. More...
void	SetBoundaryMarkers (mfem::Array< int > &ess_bdr_markers)
	Set the marker array labelling essential boundaries. More...
void	SetOperator (const mfem::Operator &op) override
void	Mult (const mfem::Vector &x, mfem::Vector &y) const override

Private Attributes
std::unique_ptr< mfem::MatrixFreeAMS >	_matrix_free_ams {nullptr}
mfem::Coefficient &	_alpha_coef
mfem::Coefficient &	_beta_coef
const int	_inner_pi_its
const int	_inner_g_its
mfem::ParBilinearForm *	_aform
mfem::Array< int >	_ess_bdr_markers

Detailed Description

Wrapper for mfem::MatrixFreeAMS solver that creates an mfem::MatrixFreeAMS solver from the operator when set.

Definition at line 22 of file MFEMMatrixFreeAMS.h.

Constructor & Destructor Documentation

MatrixFreeAMS()

Moose::MFEM::MatrixFreeAMS::MatrixFreeAMS	(	mfem::Coefficient &	alpha_coef,
		mfem::Coefficient &	beta_coef,
		int	inner_pi_its = 0,
		int	inner_g_its = 1
	)

Definition at line 19 of file MFEMMatrixFreeAMS.C.

  : _alpha_coef(alpha_coef),
    _beta_coef(beta_coef),
    _inner_pi_its(inner_pi_its),
    _inner_g_its(inner_g_its)
{
}

Member Function Documentation

Mult()

void Moose::MFEM::MatrixFreeAMS::Mult ( const mfem::Vector &  x, mfem::Vector &  y  ) const

inlineoverride

Definition at line 38 of file MFEMMatrixFreeAMS.h.

  {
    _matrix_free_ams->Mult(x, y);
  }

SetBilinearForm()

void Moose::MFEM::MatrixFreeAMS::SetBilinearForm ( mfem::ParBilinearForm &  a )

inline

Set the bilinear form corresponding to the curl-curl problem being preconditioned.

Definition at line 31 of file MFEMMatrixFreeAMS.h.

Referenced by MFEMMatrixFreeAMS::SetupLOR().

{ _aform = &a; }

SetBoundaryMarkers()

void Moose::MFEM::MatrixFreeAMS::SetBoundaryMarkers ( mfem::Array< int > &  ess_bdr_markers )

inline

Set the marker array labelling essential boundaries.

Definition at line 33 of file MFEMMatrixFreeAMS.h.

  {
    _ess_bdr_markers = ess_bdr_markers;
  }

SetOperator()

void Moose::MFEM::MatrixFreeAMS::SetOperator ( const mfem::Operator &  op )

override

Definition at line 31 of file MFEMMatrixFreeAMS.C.

{
  height = op.Height();
  width = op.Width();
  // The constructor of mfem::MatrixFreeAMS requires the target operator to be known, so this
  // constructs the solver
  auto matrix_free_ams = std::make_unique<mfem::MatrixFreeAMS>(*_aform,
                                                               const_cast<mfem::Operator &>(op),
                                                               *_aform->ParFESpace(),
                                                               &_alpha_coef,
                                                               &_beta_coef,
                                                               nullptr,
                                                               _ess_bdr_markers,
                                                               _inner_pi_its,
                                                               _inner_g_its);
  _matrix_free_ams = std::move(matrix_free_ams);
}

Member Data Documentation

_aform

mfem::ParBilinearForm* Moose::MFEM::MatrixFreeAMS::_aform

private

Definition at line 49 of file MFEMMatrixFreeAMS.h.

Referenced by SetBilinearForm(), and SetOperator().

_alpha_coef

mfem::Coefficient& Moose::MFEM::MatrixFreeAMS::_alpha_coef

private

Definition at line 45 of file MFEMMatrixFreeAMS.h.

Referenced by SetOperator().

_beta_coef

mfem::Coefficient& Moose::MFEM::MatrixFreeAMS::_beta_coef

private

Definition at line 46 of file MFEMMatrixFreeAMS.h.

Referenced by SetOperator().

_ess_bdr_markers

mfem::Array<int> Moose::MFEM::MatrixFreeAMS::_ess_bdr_markers

private

Definition at line 50 of file MFEMMatrixFreeAMS.h.

Referenced by SetBoundaryMarkers(), and SetOperator().

_inner_g_its

const int Moose::MFEM::MatrixFreeAMS::_inner_g_its

private

Definition at line 48 of file MFEMMatrixFreeAMS.h.

Referenced by SetOperator().

_inner_pi_its

const int Moose::MFEM::MatrixFreeAMS::_inner_pi_its

private

Definition at line 47 of file MFEMMatrixFreeAMS.h.

Referenced by SetOperator().

_matrix_free_ams

std::unique_ptr<mfem::MatrixFreeAMS> Moose::MFEM::MatrixFreeAMS::_matrix_free_ams {nullptr}

private

Definition at line 44 of file MFEMMatrixFreeAMS.h.

Referenced by Mult(), and SetOperator().

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

• include/mfem/solvers/MFEMMatrixFreeAMS.h
• src/mfem/solvers/MFEMMatrixFreeAMS.C