DUNE PDELab (git)
extents.hh
3// SPDX-FileCopyrightInfo: Copyright © DUNE Project contributors, see file LICENSE.md in module root
123 std::enable_if_t<(sizeof...(IndexTypes) == rank() || sizeof...(IndexTypes) == rank_dynamic()), int> = 0,
159 std::enable_if_t<((e == Std::dynamic_extent || exts == Std::dynamic_extent || e == exts) &&...), int> = 0>
175 friend constexpr bool operator== (const extents& a, const extents<OtherIndexType, otherExts...>& b) noexcept
228 using dynamic_extents_type = typename Impl::DynamicExtentsArray<index_type,rank_dynamic()>::type;
258using dextents = typename Impl::DExtentsImpl<IndexType, std::make_integer_sequence<std::size_t,R>>::type;
Multidimensional index space with dynamic and static extents.
Definition: extents.hh:55
static constexpr rank_type rank_dynamic() noexcept
The number of dimensions with dynamic extent.
Definition: extents.hh:91
constexpr extents() noexcept=default
The default constructor requires that all exts are not Std::dynamic_extent.
static constexpr rank_type rank() noexcept
The total number of dimensions.
Definition: extents.hh:88
friend constexpr bool operator==(const extents &a, const extents< OtherIndexType, otherExts... > &b) noexcept
Compare two extents by their rank and all individual extents.
Definition: extents.hh:175
static constexpr std::size_t static_extent(rank_type r) noexcept
Return the static extent of dimension r or Std::dynamic_extent
Definition: extents.hh:94
constexpr index_type extent(rank_type r) const noexcept
Return the extent of dimension i
Definition: extents.hh:101
A contiguous sequence of elements with static or dynamic extent.
Definition: span.hh:126
decltype(auto) constexpr unpackIntegerSequence(F &&f, std::integer_sequence< I, i... > sequence)
Unpack an std::integer_sequence<I,i...> to std::integral_constant<I,i>...
Definition: indices.hh:124
typename Impl::DExtentsImpl< IndexType, std::make_integer_sequence< std::size_t, R > >::type dextents
Alias of extents of given rank R and purely dynamic extents. See [mdspan.extents.dextents].
Definition: extents.hh:258
constexpr auto max
Function object that returns the greater of the given values.
Definition: hybridutilities.hh:484
Namespace for features backported from new C++ standards.
Definition: default_accessor.hh:10
constexpr std::size_t dynamic_extent
A constant of type std::size_t that is used to differentiate std::span of static and dynamic extent.
Definition: span.hh:26
STL namespace.
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