JacobiPreconditioner< MatrixType > Class Template Reference

Diagonal preconditioner. More...

#include <openvdb/math/ConjGradient.h>

Inherits Preconditioner< MatrixType::ValueType >.

Public Types
using	ValueType = typename MatrixType::ValueType
using	BaseType = Preconditioner< ValueType >
using	VectorType = Vector< ValueType >
using	Ptr = SharedPtr< JacobiPreconditioner >

Public Member Functions
	JacobiPreconditioner (const MatrixType &A)
	~JacobiPreconditioner () override=default
void	apply (const Vector< ValueType > &r, Vector< ValueType > &z) override
	Apply this preconditioner to a residue vector: z = M−1r More...
bool	isFinite () const
	Return true if all values along the diagonal are finite. More...
virtual bool	isValid () const

Detailed Description

template<typename MatrixType>
class openvdb::v12_0::math::pcg::JacobiPreconditioner< MatrixType >

Diagonal preconditioner.

Member Typedef Documentation

using BaseType = Preconditioner<ValueType>

using Ptr = SharedPtr<JacobiPreconditioner>

using ValueType = typename MatrixType::ValueType

using VectorType = Vector<ValueType>

Constructor & Destructor Documentation

JacobiPreconditioner ( const MatrixType &  A )

inline

~JacobiPreconditioner ( )

overridedefault

Member Function Documentation

void apply ( const Vector< ValueType > &  r, Vector< ValueType > &  z  )

inlineoverridevirtual

Apply this preconditioner to a residue vector: z = M⁻¹r

Parameters

	r	residue vector
[out]	z	preconditioned residue vector

Implements Preconditioner< MatrixType::ValueType >.

bool isFinite ( ) const

inline

Return true if all values along the diagonal are finite.

virtual bool isValid ( ) const

inlinevirtualinherited

Reimplemented in IncompleteCholeskyPreconditioner< MatrixType >.