DUNE-FEM (unstable)
Dune::Std::layout_stride::mapping< Extents > Class Template Reference
A layout mapping where the strides are user-defined. More...
#include <dune/common/std/layout_stride.hh>
Public Member Functions | |
constexpr | mapping () noexcept |
The default construction initializes the strides from layout_right. | |
constexpr | mapping (const mapping &) noexcept=default |
Copy constructor for the mapping. | |
template<class OtherIndexType , std::enable_if_t< std::is_convertible_v< const OtherIndexType &, index_type >, int > = 0, std::enable_if_t< std::is_nothrow_constructible_v< index_type, const OtherIndexType & >, int > = 0> | |
constexpr | mapping (const extents_type &e, const std::array< OtherIndexType, rank_ > &s) noexcept |
Construct the mapping from given extents and strides. | |
template<class OtherIndexType , std::enable_if_t< std::is_convertible_v< const OtherIndexType &, index_type >, int > = 0, std::enable_if_t< std::is_nothrow_constructible_v< index_type, const OtherIndexType & >, int > = 0> | |
constexpr | mapping (const extents_type &e, const span< OtherIndexType, rank_ > &s) noexcept |
Construct the mapping from given extents and strides. | |
template<class M , std::enable_if_t<(M::extents_type::rank()==extents_type::rank()), int > = 0, std::enable_if_t<(M::is_always_unique()), int > = 0, std::enable_if_t<(M::is_always_strided()), int > = 0, decltype(std::declval< M >().extents(), bool{}) = true, decltype(std::declval< M >().stride(std::declval< rank_type >()), bool{}) = true> | |
constexpr | mapping (const M &m) noexcept |
Construct the mapping from another mapping with different extents and different strides. | |
constexpr mapping & | operator= (const mapping &) noexcept=default |
Copy-assignment for the mapping. | |
constexpr index_type | required_span_size () const noexcept |
Return the sum 1 + (E(0)-1)*S(0) + (E(1)-1)*S(1) + ... | |
template<class... Indices, std::enable_if_t<(sizeof...(Indices)==rank_), int > = 0, std::enable_if_t<(std::is_convertible_v< Indices, index_type > &&...), int > = 0, std::enable_if_t<(std::is_nothrow_constructible_v< index_type, Indices > &&...), int > = 0> | |
constexpr index_type | operator() (Indices... ii) const noexcept |
Compute the offset by folding with index-array with the strides array. | |
constexpr index_type | operator() () const noexcept |
The default offset for rank-0 tensors is 0. | |
constexpr const strides_type & | strides () const noexcept |
Get the array of all strides. | |
template<class E = extents_type, std::enable_if_t<(E::rank() > 0), int > = 0> | |
constexpr index_type | stride (rank_type i) const noexcept |
Get the single stride i | |
Detailed Description
template<class Extents>
class Dune::Std::layout_stride::mapping< Extents >
class Dune::Std::layout_stride::mapping< Extents >
A layout mapping where the strides are user-defined.
The documentation for this class was generated from the following files:
- dune/common/std/impl/fwd_layouts.hh
- dune/common/std/layout_stride.hh
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