Helper class to apply preconditioner. More...

Inheritance diagram for LumpedPreconditioner:

Public Member Functions
	LumpedPreconditioner (const NumericVector< Real > &diag_inverse)

virtual void	init () override

virtual void	apply (const NumericVector< Real > &x, NumericVector< Real > &y) override

Protected Attributes
const NumericVector< Real > &	_diag_inverse
	The inverse of the diagonal of the lumped matrix. More...

Detailed Description

Helper class to apply preconditioner.

Definition at line 49 of file ActuallyExplicitEuler.C.

Constructor & Destructor Documentation

LumpedPreconditioner::LumpedPreconditioner ( const NumericVector< Real > & diag_inverse )

inline

Definition at line 52 of file ActuallyExplicitEuler.C.

     : Preconditioner(diag_inverse.comm()), _diag_inverse(diag_inverse)
   {
   }

virtual void LumpedPreconditioner::apply	(	const NumericVector< Real > &	x,
		NumericVector< Real > &	y
	)

inlineoverridevirtual

Definition at line 63 of file ActuallyExplicitEuler.C.

   {
     y.pointwise_mult(_diag_inverse, x);
   }

virtual void LumpedPreconditioner::init ( )

inlineoverridevirtual

Definition at line 57 of file ActuallyExplicitEuler.C.

   {
     // No more initialization needed here
     _is_initialized = true;
   }

const NumericVector<Real>& LumpedPreconditioner::_diag_inverse

protected

The inverse of the diagonal of the lumped matrix.

Definition at line 70 of file ActuallyExplicitEuler.C.

Referenced by apply().

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