Arcane::Alina::AggregationCoarsening< Backend > Struct Template Reference

Non-smoothed aggregation. More...

#include </__w/arcaneframework.github.io/arcaneframework.github.io/framework/arccore/src/alina/arccore/alina/Coarsening.h>

Collaboration diagram for Arcane::Alina::AggregationCoarsening< Backend >:

Classes
struct	params
	Coarsening parameters. More...

Public Types
typedef pointwise_aggregates	Aggregates

Public Member Functions
	AggregationCoarsening (const params &prm=params())
template<class Matrix>
std::tuple< std::shared_ptr< Matrix >, std::shared_ptr< Matrix > >	transfer_operators (const Matrix &A)
	Creates transfer operators for the given system matrix.
template<class Matrix>
std::shared_ptr< Matrix >	coarse_operator (const Matrix &A, const Matrix &P, const Matrix &R) const
	Creates system matrix for the coarser level.

Public Attributes
struct Arcane::Alina::AggregationCoarsening::params	prm

Detailed Description

template<class Backend>
struct Arcane::Alina::AggregationCoarsening< Backend >

Non-smoothed aggregation.

Definition at line 639 of file Coarsening.h.

Member Typedef Documentation

Aggregates

template<class Backend>

typedef pointwise_aggregates Arcane::Alina::AggregationCoarsening< Backend >::Aggregates

Definition at line 641 of file Coarsening.h.

Constructor & Destructor Documentation

AggregationCoarsening()

template<class Backend>

Arcane::Alina::AggregationCoarsening< Backend >::AggregationCoarsening ( const params & prm = params() )

inlineexplicit

Definition at line 688 of file Coarsening.h.

Member Function Documentation

coarse_operator()

template<class Backend>

template<class Matrix>

std::shared_ptr< Matrix > Arcane::Alina::AggregationCoarsening< Backend >::coarse_operator ( const Matrix & A, const Matrix & P, const Matrix & R ) const

inline

Creates system matrix for the coarser level.

Parameters

A	The system matrix at the finer level.
P	Prolongation operator returned by transfer_operators().
R	Restriction operator returned by transfer_operators().

Returns

System matrix for the coarser level.

Definition at line 727 of file Coarsening.h.

transfer_operators()

template<class Backend>

template<class Matrix>

std::tuple< std::shared_ptr< Matrix >, std::shared_ptr< Matrix > > Arcane::Alina::AggregationCoarsening< Backend >::transfer_operators ( const Matrix & A )

inline

Creates transfer operators for the given system matrix.

Parameters

A	The system matrix.
prm	Coarsening parameters.

Returns

A tuple of prolongation and restriction operators.

Definition at line 701 of file Coarsening.h.

References Arcane::Alina::pointwise_aggregates::count, and Arcane::Alina::pointwise_aggregates::id.

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

• Coarsening.h