Reference documentation for deal.II version 8.1.0
Public Member Functions | Protected Attributes | List of all members
MeshWorker::VectorSelector Class Reference

#include <vector_selector.h>

Inheritance diagram for MeshWorker::VectorSelector:
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Public Member Functions

void add (const std::string &name, const bool values=true, const bool gradients=false, const bool hessians=false)
 
template<class DATA >
void initialize (const NamedData< DATA > &)
 
bool empty () const
 
bool has_values () const
 
bool has_gradients () const
 
bool has_hessians () const
 
unsigned int n_values () const
 
unsigned int n_gradients () const
 
unsigned int n_hessians () const
 
unsigned int value_index (const unsigned int i) const
 
unsigned int gradient_index (const unsigned int i) const
 
unsigned int hessian_index (const unsigned int i) const
 
template<class STREAM , typename DATA >
void print (STREAM &s, const NamedData< DATA > &v) const
 
template<class STREAM >
void print (STREAM &s) const
 
std::size_t memory_consumption () const
 
- Public Member Functions inherited from Subscriptor
 Subscriptor ()
 
 Subscriptor (const Subscriptor &)
 
virtual ~Subscriptor ()
 
Subscriptoroperator= (const Subscriptor &)
 
void subscribe (const char *identifier=0) const
 
void unsubscribe (const char *identifier=0) const
 
unsigned int n_subscriptions () const
 
void list_subscribers () const
 
 DeclException3 (ExcInUse, int, char *, std::string &,<< "Object of class "<< arg2<< " is still used by "<< arg1<< " other objects.\n"<< "(Additional information: "<< arg3<< ")\n"<< "Note the entry in the Frequently Asked Questions of "<< "deal.II (linked to from http://www.dealii.org/) for "<< "more information on what this error means.")
 
 DeclException2 (ExcNoSubscriber, char *, char *,<< "No subscriber with identifier \""<< arg2<< "\" did subscribe to this object of class "<< arg1)
 
template<class Archive >
void serialize (Archive &ar, const unsigned int version)
 

Protected Attributes

NamedSelection value_selection
 
NamedSelection gradient_selection
 
NamedSelection hessian_selection
 

Detailed Description

A class that selects vectors from a list of named vectors.

Since the number of vectors in a NamedData object may grow with every nesting of applications or loops, it is important to be able to select those, which are actually used in computing residuals etc. This class organizes the selection.

It is used for instance in IntegrationWorker to determine which values, derivatives or second derivatives are actually computed.

Author
Guido Kanschat 2009

Definition at line 47 of file vector_selector.h.

Member Function Documentation

void MeshWorker::VectorSelector::add ( const std::string &  name,
const bool  values = true,
const bool  gradients = false,
const bool  hessians = false 
)
inline

Add a vector to the selection of finite element functions. The arguments are the name of the vector and indicators, which information is to be extracted from the vector. The name refers to an entry in a NamedData object, which will be identified by initialize(). The three bool parameters indicate, whether values, greadients and Hessians of the finite element function are to be computed on each cell or face.

Definition at line 482 of file vector_selector.h.

template<typename DATA >
void MeshWorker::VectorSelector::initialize ( const NamedData< DATA > &  src)
inline

Does the same as the function above but it is possible to select a block of the global vector. Initialize the selection field with a data vector. While add() only enters the names of vectors, which will be used in the integration loop over cells and faces, this function links the names to actual vectos in a NamedData object.

Note
This function caches the index associated with a name. Therefore, it must be called every time after the NamedData object has changed.

Definition at line 509 of file vector_selector.h.

bool MeshWorker::VectorSelector::empty ( ) const
inline

Check whether any vector is selected.

Definition at line 517 of file vector_selector.h.

bool MeshWorker::VectorSelector::has_values ( ) const
inline

Returns true if values are selected for any vector.

Definition at line 526 of file vector_selector.h.

bool MeshWorker::VectorSelector::has_gradients ( ) const
inline

Returns true if gradients are selected for any vector.

Definition at line 533 of file vector_selector.h.

bool MeshWorker::VectorSelector::has_hessians ( ) const
inline

Returns true if hessians are selected for any vector.

Definition at line 540 of file vector_selector.h.

unsigned int MeshWorker::VectorSelector::n_values ( ) const
inline

Number of vectors for values

Definition at line 547 of file vector_selector.h.

unsigned int MeshWorker::VectorSelector::n_gradients ( ) const
inline

Number of vectors for gradients

Definition at line 554 of file vector_selector.h.

unsigned int MeshWorker::VectorSelector::n_hessians ( ) const
inline

Number of vectors for Hessians

Definition at line 561 of file vector_selector.h.

unsigned int MeshWorker::VectorSelector::value_index ( const unsigned int  i) const
inline

The vector index for the ith value

Definition at line 568 of file vector_selector.h.

unsigned int MeshWorker::VectorSelector::gradient_index ( const unsigned int  i) const
inline

The vector index for the ith gradient

Definition at line 575 of file vector_selector.h.

unsigned int MeshWorker::VectorSelector::hessian_index ( const unsigned int  i) const
inline

The vector index for the ith Hessian

Definition at line 582 of file vector_selector.h.

template<class STREAM , typename DATA >
void MeshWorker::VectorSelector::print ( STREAM &  s,
const NamedData< DATA > &  v 
) const
inline

Print the contents of the selection to the stream.

Definition at line 601 of file vector_selector.h.

template<class STREAM >
void MeshWorker::VectorSelector::print ( STREAM &  s) const
inline

Print the number of selections to the stream.

Definition at line 590 of file vector_selector.h.

std::size_t MeshWorker::VectorSelector::memory_consumption ( ) const
inline

The memory used by this object.

Definition at line 618 of file vector_selector.h.

Member Data Documentation

NamedSelection MeshWorker::VectorSelector::value_selection
protected

Selection of the vectors used to compute values.

Definition at line 183 of file vector_selector.h.

NamedSelection MeshWorker::VectorSelector::gradient_selection
protected

Selection of the vectors used to compute gradients.

Definition at line 189 of file vector_selector.h.

NamedSelection MeshWorker::VectorSelector::hessian_selection
protected

Selection of the vectors used to compute hessians.

Definition at line 195 of file vector_selector.h.


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