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DOLFINx 0.6.0
DOLFINx C++ interface
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Functions supporting finite element method operations. More...
Go to the source code of this file.
Namespaces | |
| namespace | dolfinx::common |
| Miscellaneous classes, functions and types. | |
| namespace | dolfinx::mesh |
| Mesh data structures and algorithms on meshes. | |
| namespace | dolfinx::fem |
| Finite element method functionality. | |
Concepts | |
| concept | dolfinx::fem::FEkernel |
| Finite element cell kernel concept. | |
| concept | dolfinx::fem::impl::FetchCells |
| Concepts for function that returns cell index. | |
Functions | |
| template<typename T > | |
| std::vector< std::vector< std::array< std::shared_ptr< const FunctionSpace >, 2 > > > | extract_function_spaces (const std::vector< std::vector< const Form< T > * > > &a) |
| Extract test (0) and trial (1) function spaces pairs for each bilinear form for a rectangular array of forms. More... | |
| la::SparsityPattern | create_sparsity_pattern (const mesh::Topology &topology, const std::array< std::reference_wrapper< const DofMap >, 2 > &dofmaps, const std::set< IntegralType > &integrals) |
| Create a sparsity pattern for a given form. More... | |
| template<typename T > | |
| la::SparsityPattern | create_sparsity_pattern (const Form< T > &a) |
| Create a sparsity pattern for a given form. More... | |
| ElementDofLayout | create_element_dof_layout (const ufcx_dofmap &dofmap, const mesh::CellType cell_type, const std::vector< int > &parent_map={}) |
| Create an ElementDofLayout from a ufcx_dofmap. | |
| DofMap | create_dofmap (MPI_Comm comm, const ElementDofLayout &layout, mesh::Topology &topology, const std::function< std::vector< int >(const graph::AdjacencyList< std::int32_t > &)> &reorder_fn, const FiniteElement &element) |
| Create a dof map on mesh. More... | |
| std::vector< std::string > | get_coefficient_names (const ufcx_form &ufcx_form) |
| Get the name of each coefficient in a UFC form. More... | |
| std::vector< std::string > | get_constant_names (const ufcx_form &ufcx_form) |
| Get the name of each constant in a UFC form. More... | |
| template<typename T > | |
| Form< T > | create_form (const ufcx_form &ufcx_form, const std::vector< std::shared_ptr< const FunctionSpace > > &spaces, const std::vector< std::shared_ptr< const Function< T > > > &coefficients, const std::vector< std::shared_ptr< const Constant< T > > > &constants, const std::map< IntegralType, const mesh::MeshTags< int > * > &subdomains, std::shared_ptr< const mesh::Mesh > mesh=nullptr) |
| Create a Form from UFC input. More... | |
| template<typename T > | |
| Form< T > | create_form (const ufcx_form &ufcx_form, const std::vector< std::shared_ptr< const FunctionSpace > > &spaces, const std::map< std::string, std::shared_ptr< const Function< T > > > &coefficients, const std::map< std::string, std::shared_ptr< const Constant< T > > > &constants, const std::map< IntegralType, const mesh::MeshTags< int > * > &subdomains, std::shared_ptr< const mesh::Mesh > mesh=nullptr) |
| Create a Form from UFC input. More... | |
| template<typename T > | |
| Form< T > | create_form (ufcx_form *(*fptr)(), const std::vector< std::shared_ptr< const FunctionSpace > > &spaces, const std::map< std::string, std::shared_ptr< const Function< T > > > &coefficients, const std::map< std::string, std::shared_ptr< const Constant< T > > > &constants, const std::map< IntegralType, const mesh::MeshTags< int > * > &subdomains, std::shared_ptr< const mesh::Mesh > mesh=nullptr) |
| Create a Form using a factory function that returns a pointer to a ufcx_form. More... | |
| FunctionSpace | create_functionspace (std::shared_ptr< mesh::Mesh > mesh, const basix::FiniteElement &e, int bs, const std::function< std::vector< int >(const graph::AdjacencyList< std::int32_t > &)> &reorder_fn=nullptr) |
| Create a FunctionSpace from a Basix element. More... | |
| FunctionSpace | create_functionspace (ufcx_function_space *(*fptr)(const char *), const std::string &function_name, std::shared_ptr< mesh::Mesh > mesh, const std::function< std::vector< int >(const graph::AdjacencyList< std::int32_t > &)> &reorder_fn=nullptr) |
| Create a FunctionSpace from UFC data. More... | |
| template<typename T , int _bs> | |
| void | pack (std::span< T > coeffs, std::int32_t cell, int bs, std::span< const T > v, std::span< const std::uint32_t > cell_info, const DofMap &dofmap, auto transform) |
| Pack a single coefficient for a single cell. | |
| template<typename T > | |
| void | pack_coefficient_entity (std::span< T > c, int cstride, const Function< T > &u, std::span< const std::uint32_t > cell_info, std::span< const std::int32_t > entities, std::size_t estride, FetchCells auto &&fetch_cells, std::int32_t offset) |
| Pack a single coefficient for a set of active entities. More... | |
| template<typename T > | |
| std::pair< std::vector< T >, int > | allocate_coefficient_storage (const Form< T > &form, IntegralType integral_type, int id) |
| Allocate storage for coefficients of a pair (integral_type, id) from a fem::Form form. More... | |
| template<typename T > | |
| std::map< std::pair< IntegralType, int >, std::pair< std::vector< T >, int > > | allocate_coefficient_storage (const Form< T > &form) |
| Allocate memory for packed coefficients of a Form. More... | |
| template<typename T > | |
| void | pack_coefficients (const Form< T > &form, IntegralType integral_type, int id, std::span< T > c, int cstride) |
| Pack coefficients of a Form for a given integral type and domain id. More... | |
| template<typename T > | |
| Expression< T > | create_expression (const ufcx_expression &expression, const std::vector< std::shared_ptr< const Function< T > > > &coefficients, const std::vector< std::shared_ptr< const Constant< T > > > &constants, std::shared_ptr< const mesh::Mesh > mesh=nullptr, std::shared_ptr< const FunctionSpace > argument_function_space=nullptr) |
| Create Expression from UFC. | |
| template<typename T > | |
| Expression< T > | create_expression (const ufcx_expression &expression, const std::map< std::string, std::shared_ptr< const Function< T > > > &coefficients, const std::map< std::string, std::shared_ptr< const Constant< T > > > &constants, std::shared_ptr< const mesh::Mesh > mesh=nullptr, std::shared_ptr< const FunctionSpace > argument_function_space=nullptr) |
| Create Expression from UFC input (with named coefficients and constants). | |
| template<typename T > | |
| void | pack_coefficients (const Form< T > &form, std::map< std::pair< IntegralType, int >, std::pair< std::vector< T >, int > > &coeffs) |
| Pack coefficients of a Form. More... | |
| template<typename T > | |
| std::pair< std::vector< T >, int > | pack_coefficients (const Expression< T > &u, std::span< const std::int32_t > cells) |
| Pack coefficients of a Expression u for a give list of active cells. More... | |
| template<typename U > | |
| std::vector< typename U::scalar_type > | pack_constants (const U &u) |
| Pack constants of u of generic type U ready for assembly. More... | |
Functions supporting finite element method operations.
| void pack_coefficient_entity | ( | std::span< T > | c, |
| int | cstride, | ||
| const Function< T > & | u, | ||
| std::span< const std::uint32_t > | cell_info, | ||
| std::span< const std::int32_t > | entities, | ||
| std::size_t | estride, | ||
| FetchCells auto && | fetch_cells, | ||
| std::int32_t | offset | ||
| ) |
Pack a single coefficient for a set of active entities.
| [out] | c | The coefficient to be packed |
| [in] | cstride | The total number of coefficient values to pack for each entity |
| [in] | u | The function to extract coefficient data from |
| [in] | cell_info | Array of bytes describing which transformation has to be applied on the cell to map it to the reference element |
| [in] | entities | The set of active entities |
| [in] | estride | The stride for each entity in active entities. |
| [in] | fetch_cells | Function that fetches the cell index for an entity in active_entities. |
| [in] | offset | The offset for c |
1.9.5