gko::preconditioner Namespace Reference

The Preconditioner namespace. More...

Classes
struct	block_interleaved_storage_scheme
	Defines the parameters of the interleaved block storage scheme used by block-Jacobi blocks. More...
class	GaussSeidel
	This class generates the Gauss-Seidel preconditioner. More...
class	Ic
	The Incomplete Cholesky (IC) preconditioner solves the equation \(L L^H x = b\) for a given lower triangular matrix \(L\) and the right hand side \(b\) (can contain multiple right hand sides). More...
class	Ilu
	The Incomplete LU (ILU) preconditioner solves the equation \(LUx = b\) for a given lower triangular matrix \(L\), an upper triangular matrix \(U\) and the right hand side \(b\) (can contain multiple right hand sides). More...
class	Isai
	The Incomplete Sparse Approximate Inverse (ISAI) Preconditioner generates an approximate inverse matrix for a given square matrix \(A\), lower triangular matrix \(L\), upper triangular matrix \(U\) or symmetric positive definite (s.p.d) matrix \(B\). More...
class	Jacobi
	A block-Jacobi preconditioner is a block-diagonal linear operator, obtained by inverting the diagonal blocks of the source operator. More...
class	Sor
	This class generates the (S)SOR preconditioner. More...

Typedefs
template<typename ValueType = default_precision, typename IndexType = int32>
using	LowerIsai = Isai< isai_type::lower, ValueType, IndexType >
template<typename ValueType = default_precision, typename IndexType = int32>
using	UpperIsai = Isai< isai_type::upper, ValueType, IndexType >
template<typename ValueType = default_precision, typename IndexType = int32>
using	GeneralIsai = Isai< isai_type::general, ValueType, IndexType >
template<typename ValueType = default_precision, typename IndexType = int32>
using	SpdIsai = Isai< isai_type::spd, ValueType, IndexType >

Enumerations
enum	isai_type { lower, upper, general, spd }
	This enum lists the types of the ISAI preconditioner. More...

Detailed Description

The Preconditioner namespace.

Enumeration Type Documentation

isai_type

enum gko::preconditioner::isai_type

strong

This enum lists the types of the ISAI preconditioner.

ISAI can either be generated for a general square matrix, a lower triangular matrix, an upper triangular matrix or an s.p.d matrix.