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 >

A layout mapping where the strides are user-defined.

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

• dune/common/std/impl/fwd_layouts.hh
• dune/common/std/layout_stride.hh