dg::TriDiagonal< Container > Struct Template Reference

Fast (shared memory) tridiagonal sparse matrix. More...

Public Types
using	value_type = dg::get_value_type< Container >

Public Member Functions
	TriDiagonal ()=default
	TriDiagonal (unsigned size)
	TriDiagonal (Container M, Container O, Container P)
template<class Container2 >
	TriDiagonal (const TriDiagonal< Container2 > &other)
unsigned	size () const
void	operator() (const Container &x, Container &y) const
dg::IHMatrix_t< value_type >	asIMatrix () const
	convert to a sparse matrix format More...

Public Attributes
Container	M
Container	O
Container	P

Detailed Description

template<class Container>
struct dg::TriDiagonal< Container >

Fast (shared memory) tridiagonal sparse matrix.

Consists of the three diagonal vectors [M, O, P] (for "Minus", "ZerO", "Plus), i.e. M is the subdiagonal, O the diagonal and P the superdiagonal vector.

Note

It is fast to apply using dg::blas2::parallel_for (which only works on shared memory vectors though)

Template Parameters

Container

One of the shared memory containers

Member Typedef Documentation

value_type

template<class Container >

using dg::TriDiagonal< Container >::value_type = dg::get_value_type<Container>

Constructor & Destructor Documentation

TriDiagonal() [1/4]

template<class Container >

dg::TriDiagonal< Container >::TriDiagonal ( )

default

TriDiagonal() [2/4]

template<class Container >

dg::TriDiagonal< Container >::TriDiagonal ( unsigned  size )

inline

TriDiagonal() [3/4]

template<class Container >

dg::TriDiagonal< Container >::TriDiagonal ( Container  M, Container  O, Container  P  )

inline

TriDiagonal() [4/4]

template<class Container >

template<class Container2 >

dg::TriDiagonal< Container >::TriDiagonal ( const TriDiagonal< Container2 > &  other )

inline

Member Function Documentation

asIMatrix()

template<class Container >

dg::IHMatrix_t< value_type > dg::TriDiagonal< Container >::asIMatrix ( ) const

inline

convert to a sparse matrix format

operator()()

template<class Container >

void dg::TriDiagonal< Container >::operator() ( const Container &  x, Container &  y  ) const

inline

size()

template<class Container >

unsigned dg::TriDiagonal< Container >::size ( ) const

inline

Member Data Documentation

M

template<class Container >

Container dg::TriDiagonal< Container >::M

O

template<class Container >

Container dg::TriDiagonal< Container >::O

P

template<class Container >

Container dg::TriDiagonal< Container >::P

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

• topology/fem.h