alpaqa::sparsity Namespace Reference

Namespaces
namespace	detail

Classes
struct	Dense
	Dense matrix structure. More...
struct	SparseCOO
	Sparse coordinate list structure (COO). More...
struct	SparseCSC
	Sparse compressed-column structure (CCS or CSC). More...
struct	Sparsity
	Stores any of the supported sparsity patterns. More...
struct	SparsityConversionRequest
	Additional options for the conversion performed by SparsityConverter. More...
struct	SparsityConversionRequest< Dense< Conf > >
struct	SparsityConversionRequest< SparseCOO< Conf, StorageIndex > >
struct	SparsityConversionRequest< SparseCSC< Conf, StorageIndex > >
struct	SparsityConverter
	Converts one matrix storage format to another. More...
struct	SparsityConverter< Dense< Conf >, Dense< Conf > >
struct	SparsityConverter< Dense< Conf >, SparseCOO< Conf, StorageIndex > >
struct	SparsityConverter< Dense< Conf >, SparseCSC< Conf, StorageIndex > >
struct	SparsityConverter< SparseCOO< Conf, StorageIndex >, Dense< Conf > >
struct	SparsityConverter< SparseCOO< Conf, StorageIndexFrom >, SparseCOO< Conf, StorageIndexTo > >
struct	SparsityConverter< SparseCOO< Conf, StorageIndexFrom >, SparseCSC< Conf, StorageIndexFromTo > >
struct	SparsityConverter< SparseCSC< Conf, StorageIndex >, Dense< Conf > >
struct	SparsityConverter< SparseCSC< Conf, StorageIndexFrom >, SparseCOO< Conf, StorageIndexTo > >
struct	SparsityConverter< SparseCSC< Conf, StorageIndexFrom >, SparseCSC< Conf, StorageIndexTo > >
struct	SparsityConverter< Sparsity< Conf >, To >
	Converts any supported matrix storage format to the given format. More...

Typedefs
template<class To >
using	ConverterVariant = detail::ConverterVariantHelper< To, SparsityVariant< typename To::config_t > >::type
template<Config Conf>
using	SparsityVariant = std::variant< Dense< Conf >, SparseCSC< Conf, int >, SparseCSC< Conf, long >, SparseCSC< Conf, long long >, SparseCOO< Conf, int >, SparseCOO< Conf, long >, SparseCOO< Conf, long long > >

Enumerations
enum class	Symmetry { Unsymmetric = 0 , Upper = 1 , Lower = 2 }
	Describes the symmetry of matrices. More...

Functions
template<Config Conf>
bool	is_dense (const Sparsity< Conf > &sp)
	Returns true if the sparsity pattern represents a dense matrix.
template<Config Conf>
length_t< Conf >	get_nnz (const Sparsity< Conf > &sp)
	Get the number of structurally nonzero elements.
template<Config Conf>
Symmetry	get_symmetry (const Sparsity< Conf > &sp)
	Returns the symmetry of the sparsity pattern.

---

Class Documentation

alpaqa::sparsity::Dense

struct alpaqa::sparsity::Dense

Collaboration diagram for Dense< Conf >:

Class Members
length_t	rows = 0
length_t	cols = 0
Symmetry	symmetry = Symmetry::Unsymmetric

alpaqa::sparsity::SparsityConversionRequest

struct alpaqa::sparsity::SparsityConversionRequest

Collaboration diagram for SparsityConversionRequest< To >:

alpaqa::sparsity::SparsityConversionRequest< Dense< Conf > >

struct alpaqa::sparsity::SparsityConversionRequest< Dense< Conf > >

Collaboration diagram for SparsityConversionRequest< Dense< Conf > >:

alpaqa::sparsity::SparsityConversionRequest< SparseCOO< Conf, StorageIndex > >

struct alpaqa::sparsity::SparsityConversionRequest< SparseCOO< Conf, StorageIndex > >

Collaboration diagram for SparsityConversionRequest< SparseCOO< Conf, StorageIndex > >:

Class Members
optional< StorageIndex >	first_index = std::nullopt	Convert the index offset (zero for C/C++, one for Fortran).

alpaqa::sparsity::SparsityConversionRequest< SparseCSC< Conf, StorageIndex > >

struct alpaqa::sparsity::SparsityConversionRequest< SparseCSC< Conf, StorageIndex > >

Collaboration diagram for SparsityConversionRequest< SparseCSC< Conf, StorageIndex > >:

Class Members
Order >	order = std::nullopt	Sort the indices.

alpaqa::sparsity::SparsityConverter

struct alpaqa::sparsity::SparsityConverter

Collaboration diagram for SparsityConverter< From, To >:

Typedef Documentation

ConverterVariant

template<class To >

using ConverterVariant = detail::ConverterVariantHelper<To, SparsityVariant<typename To::config_t> >::type

Definition at line 622 of file sparsity-conversions.hpp.

SparsityVariant

template<Config Conf>

using SparsityVariant = std::variant< Dense<Conf>, SparseCSC<Conf, int>, SparseCSC<Conf, long>, SparseCSC<Conf, long long>, SparseCOO<Conf, int>, SparseCOO<Conf, long>, SparseCOO<Conf, long long> >

Definition at line 92 of file sparsity.hpp.

Enumeration Type Documentation

Symmetry

enum class Symmetry

strong

Describes the symmetry of matrices.

Enumerator
Unsymmetric	No symmetry.
Upper	Symmetric, upper-triangular part is stored.
Lower	Symmetric, lower-triangular part is stored.

Definition at line 11 of file sparsity.hpp.

Function Documentation

is_dense()

template<Config Conf>

bool is_dense

(

const Sparsity< Conf > &

sp

)

Returns true if the sparsity pattern represents a dense matrix.

Definition at line 120 of file sparsity.hpp.

get_nnz()

template<Config Conf>

length_t< Conf > get_nnz

(

const Sparsity< Conf > &

sp

)

Get the number of structurally nonzero elements.

Definition at line 130 of file sparsity.hpp.

get_symmetry()

template<Config Conf>

Symmetry get_symmetry

(

const Sparsity< Conf > &

sp

)

Returns the symmetry of the sparsity pattern.

Definition at line 140 of file sparsity.hpp.