SF::scattering Class Reference

Container for a PETSc VecScatter. More...

#include <SF_abstract_vector.h>

Collaboration diagram for SF::scattering:

Public Member Functions
	scattering ()
	Constructor. More...
	~scattering ()
	Destructor. More...
template<class T , class S >
void	forward (abstract_vector< T, S > &in, abstract_vector< T, S > &out, bool add=false)
	Forward scattering. More...
template<class T , class S >
void	backward (abstract_vector< T, S > &in, abstract_vector< T, S > &out, bool add=false)
	Backward scattering. More...
template<class T , class S >
void	operator() (abstract_vector< T, S > &v, bool fwd)
	Apply the scattering on a data vector. More...

Public Attributes
Vec	b_buff
	A buffer vector which also defines the parallel layout of the "b" side. More...
VecScatter	vec_sc
	The scatterer. More...
vector< SF_int >	idx_a
vector< SF_int >	idx_b

Detailed Description

Container for a PETSc VecScatter.

A VecScatter redistributes vector data from indexing "a" to indexing "b". Where the two indexings can have different parallel layouts.

Definition at line 669 of file SF_abstract_vector.h.

Constructor & Destructor Documentation

scattering()

SF::scattering::scattering ( )

inline

Constructor.

Definition at line 678 of file SF_abstract_vector.h.

~scattering()

SF::scattering::~scattering ( )

inline

Destructor.

Definition at line 682 of file SF_abstract_vector.h.

Member Function Documentation

backward()

template<class T , class S >

void SF::scattering::backward ( abstract_vector< T, S > &  in, abstract_vector< T, S > &  out, bool  add = false  )

inline

Backward scattering.

Parameters

in	Scatter from.
out	Scatter to.

Definition at line 706 of file SF_abstract_vector.h.

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forward()

template<class T , class S >

void SF::scattering::forward ( abstract_vector< T, S > &  in, abstract_vector< T, S > &  out, bool  add = false  )

inline

Forward scattering.

Parameters

in	Scatter from.
out	Scatter to.

Definition at line 694 of file SF_abstract_vector.h.

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operator()()

template<class T , class S >

void SF::scattering::operator() ( abstract_vector< T, S > &  v, bool  fwd  )

inline

Apply the scattering on a data vector.

Parameters

[in,out]	v	The data vector.
[in]	fwd	True for forward, false for backward scatting.

Definition at line 718 of file SF_abstract_vector.h.

Member Data Documentation

b_buff

Vec SF::scattering::b_buff

A buffer vector which also defines the parallel layout of the "b" side.

Definition at line 672 of file SF_abstract_vector.h.

idx_a

vector<SF_int> SF::scattering::idx_a

Definition at line 675 of file SF_abstract_vector.h.

idx_b

vector<SF_int> SF::scattering::idx_b

Definition at line 675 of file SF_abstract_vector.h.

vec_sc

VecScatter SF::scattering::vec_sc

The scatterer.

Definition at line 673 of file SF_abstract_vector.h.

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

• fem/slimfem/src/SF_abstract_vector.h