internal::hp::FEValuesBase< dim, q_dim, FEValues > Class Template Reference
[hp finite element support]

Inheritance diagram for internal::hp::FEValuesBase< dim, q_dim, FEValues >:

Inheritance graph
[legend]

List of all members.

Public Member Functions

 FEValuesBase (const ::hp::MappingCollection< dim, FEValues::space_dimension > &mapping_collection, const ::hp::FECollection< dim, FEValues::space_dimension > &fe_collection, const ::hp::QCollection< q_dim > &q_collection, const UpdateFlags update_flags)
 FEValuesBase (const ::hp::FECollection< dim, FEValues::space_dimension > &fe_collection, const ::hp::QCollection< q_dim > &q_collection, const UpdateFlags update_flags)
const FEValuesget_present_fe_values () const

Protected Member Functions

FEValuesselect_fe_values (const unsigned int fe_index, const unsigned int mapping_index, const unsigned int q_index)

Protected Attributes

const SmartPointer< const
::hp::FECollection< dim,
FEValues::space_dimension > > 
fe_collection
const SmartPointer< const
::hp::MappingCollection< dim,
FEValues::space_dimension > > 
mapping_collection
const ::hp::QCollection< q_dim > q_collection

Private Attributes

Table
< 3, std_cxx1x::shared_ptr
< FEValues > > 
fe_values_table
TableIndices< 3 > present_fe_values_index
const UpdateFlags update_flags


Detailed Description

template<int dim, int q_dim, class FEValues>
class internal::hp::FEValuesBase< dim, q_dim, FEValues >

Base class for the hp::FE*Values classes, storing the data that is common to them. The main task of this class is to provide a table where for every combination of finite element, mapping, and quadrature object from their corresponding collection objects there is a matching FEValues, FEFaceValues, or FESubfaceValues object. To make things more efficient, however, these FE*Values objects are only created once requested (lazy allocation).

The first template parameter denotes the space dimension we are in, the second the dimensionality of the object that we integrate on, i.e. for usual hp::FEValues it is equal to the first one, while for face integration it is one less. The third template parameter indicates the type of underlying non-hp FE*Values base type, i.e. it could either be FEValues, FEFaceValues, or FESubfaceValues.

Author:
Wolfgang Bangerth, 2003

Constructor & Destructor Documentation

template<int dim, int q_dim, class FEValues>
internal::hp::FEValuesBase< dim, q_dim, FEValues >::FEValuesBase ( const ::hp::MappingCollection< dim, FEValues::space_dimension > &  mapping_collection,
const ::hp::FECollection< dim, FEValues::space_dimension > &  fe_collection,
const ::hp::QCollection< q_dim > &  q_collection,
const UpdateFlags  update_flags 
)

Constructor. Set the fields of this class to the values indicated by the parameters to the constructor.

template<int dim, int q_dim, class FEValues>
internal::hp::FEValuesBase< dim, q_dim, FEValues >::FEValuesBase ( const ::hp::FECollection< dim, FEValues::space_dimension > &  fe_collection,
const ::hp::QCollection< q_dim > &  q_collection,
const UpdateFlags  update_flags 
)

Constructor. Set the fields of this class to the values indicated by the parameters to the constructor, and choose a MappingQ1 object for the mapping object.


Member Function Documentation

template<int dim, int q_dim, class FEValues >
const FEValues & FEValuesBase< dim, q_dim, FEValues >::get_present_fe_values (  )  const [inline]

Return a reference to the FEValues object selected by the last call to select_fe_values(). select_fe_values() in turn is called when you called the reinit function of the hp::FE*Values class the last time.

References internal::hp::FEValuesBase< dim, q_dim, FEValues >::fe_values_table, and internal::hp::FEValuesBase< dim, q_dim, FEValues >::present_fe_values_index.

template<int dim, int q_dim, class FEValues>
FEValues& internal::hp::FEValuesBase< dim, q_dim, FEValues >::select_fe_values ( const unsigned int  fe_index,
const unsigned int  mapping_index,
const unsigned int  q_index 
) [protected]

Select a FEValues object suitable for the given FE, quadrature, and mapping indices. If such an object doesn't yet exist, create one.

The function returns a writable reference so that derived classes can also reinit() the selected FEValues object.


Member Data Documentation

template<int dim, int q_dim, class FEValues>
const SmartPointer<const ::hp::FECollection<dim,FEValues::space_dimension> > internal::hp::FEValuesBase< dim, q_dim, FEValues >::fe_collection [protected]

A pointer to the collection of finite elements to be used.

template<int dim, int q_dim, class FEValues>
const SmartPointer<const ::hp::MappingCollection<dim, FEValues::space_dimension> > internal::hp::FEValuesBase< dim, q_dim, FEValues >::mapping_collection [protected]

A pointer to the collection of mappings to be used.

template<int dim, int q_dim, class FEValues>
const ::hp::QCollection<q_dim> internal::hp::FEValuesBase< dim, q_dim, FEValues >::q_collection [protected]

Copy of the quadrature collection object provided to the constructor.

template<int dim, int q_dim, class FEValues>
Table<3,std_cxx1x::shared_ptr<FEValues> > internal::hp::FEValuesBase< dim, q_dim, FEValues >::fe_values_table [private]

A table in which we store pointers to fe_values objects for different finite element, mapping, and quadrature objects from our collection. The first index indicates the index of the finite element within the fe_collection, the second the index of the mapping within the mapping collection, and the last one the index of the quadrature formula within the q_collection.

Initially, all entries have zero pointers, and we will allocate them lazily as needed in select_fe_values().

Referenced by internal::hp::FEValuesBase< dim, q_dim, FEValues >::get_present_fe_values().

template<int dim, int q_dim, class FEValues>
TableIndices<3> internal::hp::FEValuesBase< dim, q_dim, FEValues >::present_fe_values_index [private]

Set of indices pointing at the fe_values object selected last time the select_fe_value() function was called.

Referenced by internal::hp::FEValuesBase< dim, q_dim, FEValues >::get_present_fe_values().

template<int dim, int q_dim, class FEValues>
const UpdateFlags internal::hp::FEValuesBase< dim, q_dim, FEValues >::update_flags [private]

Values of the update flags as given to the constructor.


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

deal.II documentation generated on Sat Aug 15 16:52:38 2009 by doxygen 1.5.9