Differentiation::AD::internal::Extractor< dim, FEValuesExtractors::SymmetricTensor< 2 > > Struct Template Reference

#include <deal.II/differentiation/ad/ad_helpers.h>

Detailed Description

template<int dim>
struct Differentiation::AD::internal::Extractor< dim, FEValuesExtractors::SymmetricTensor< 2 > >

A helper struct that assists with the extraction of data associated with fields that are defined by FEExtractors. This particular specialization is for rank-2 symmetric tensor fields.

Definition at line 2065 of file ad_helpers.h.

Inheritance diagram for Differentiation::AD::internal::Extractor< dim, FEValuesExtractors::SymmetricTensor< 2 > >:

Public Types
template<typename NumberType>
using	tensor_type = SymmetricTensor<rank, dim, NumberType>
template<typename NumberType>
using	value_type = tensor_type<NumberType>
template<typename NumberType>
using	gradient_type = Tensor<rank + 1, dim, NumberType>

Static Public Member Functions
static unsigned int	first_component (const FEValuesExtractors::SymmetricTensor< 2 > &extractor)
static bool	symmetric_component (const unsigned int unrolled_index)
template<int rank_in>
static TableIndices< rank >	table_index_view (const TableIndices< rank_in > &table_indices, const unsigned int column_offset)
template<typename IndexType = unsigned int, int rank_in>
static IndexType	local_component (const TableIndices< rank_in > &table_indices, const unsigned int column_offset)

Static Public Attributes
static const unsigned int	n_components
static const unsigned int	rank = SymmetricTensor<2, dim>::rank

Member Typedef Documentation

tensor_type

template<int dim>

template<typename NumberType>

using Differentiation::AD::internal::Extractor< dim, FEValuesExtractors::SymmetricTensor< 2 > >::tensor_type = SymmetricTensor<rank, dim, NumberType>

The tensor type associated with this field.

Definition at line 2082 of file ad_helpers.h.

value_type

template<int dim>

template<typename NumberType>

using Differentiation::AD::internal::Extractor< dim, FEValuesExtractors::SymmetricTensor< 2 > >::value_type = tensor_type<NumberType>

The value type associated with this field.

Definition at line 2088 of file ad_helpers.h.

gradient_type

template<int dim>

template<typename NumberType>

using Differentiation::AD::internal::Extractor< dim, FEValuesExtractors::SymmetricTensor< 2 > >::gradient_type = Tensor<rank + 1, dim, NumberType>

The gradient type associated with this field.

Definition at line 2094 of file ad_helpers.h.

Member Function Documentation

first_component()

template<int dim>

unsigned int Differentiation::AD::internal::Extractor< dim, FEValuesExtractors::SymmetricTensor< 2 > >::first_component ( const FEValuesExtractors::SymmetricTensor< 2 > & extractor )

inlinestatic

Return the first global component of this field.

Definition at line 2100 of file ad_helpers.h.

symmetric_component()

template<int dim>

bool Differentiation::AD::internal::Extractor< dim, FEValuesExtractors::SymmetricTensor< 2 > >::symmetric_component ( const unsigned int unrolled_index )

inlinestatic

Return a flag that indicates if the input unrolled_index corresponds to a symmetric component of the field.

For a rank-2 symmetric tensor field, each of the off-diagonal components have a symmetric counterpart, while the diagonal components do not.

Definition at line 2114 of file ad_helpers.h.

table_index_view()

template<int dim>

template<int rank_in>

TableIndices< rank > Differentiation::AD::internal::Extractor< dim, FEValuesExtractors::SymmetricTensor< 2 > >::table_index_view ( const TableIndices< rank_in > & table_indices, const unsigned int column_offset )

inlinestatic

Return the table indices corresponding to column_offset entry of the input table_indices.

Definition at line 2127 of file ad_helpers.h.

local_component()

template<int dim>

template<typename IndexType = unsigned int, int rank_in>

IndexType Differentiation::AD::internal::Extractor< dim, FEValuesExtractors::SymmetricTensor< 2 > >::local_component ( const TableIndices< rank_in > & table_indices, const unsigned int column_offset )

inlinestatic

Return the local unrolled component corresponding to column_offset entry of the table_indices.

This function computes and returns a local component associated with the extractor's tensor_type from a set of table_indices that are generally associated with a tensor of equal or greater order. In effect, it creates a view of a selected number of indices of the input table, and interprets that subtable's indices as the local index to be returned. Since the table_indices may be of size greater than the extractor's rank, the column_offset specifies the first index of the input table to create the view from.

Definition at line 2153 of file ad_helpers.h.

Member Data Documentation

n_components

template<int dim>

const unsigned int Differentiation::AD::internal::Extractor< dim, FEValuesExtractors::SymmetricTensor< 2 > >::n_components

static

Initial value:

=
          SymmetricTensor<2, dim>::n_independent_components

The number of components of the field.

Definition at line 2070 of file ad_helpers.h.

rank

template<int dim>

const unsigned int Differentiation::AD::internal::Extractor< dim, FEValuesExtractors::SymmetricTensor< 2 > >::rank = SymmetricTensor<2, dim>::rank

static

The tensor rank of the field.

Definition at line 2076 of file ad_helpers.h.

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

• include/deal.II/differentiation/ad/ad_helpers.h