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[simd.syn] Compactify presentation of gather/scatter functions #8318

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Oct 5, 2025
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[simd.syn] Compactify presentation of gather/scatter functions #8318

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50 changes: 18 additions & 32 deletions source/numerics.tex
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Original file line number Diff line number Diff line change
Expand Up @@ -16662,53 +16662,39 @@
const M& original = {});

// \ref{simd.permute.memory}, permute to and from memory
template<class V = @\seebelow@,
ranges::@\libconcept{contiguous_range}@ R, @\exposconcept{simd-integral}@ I, class... Flags>
template<class V = @\seebelow@, ranges::@\libconcept{contiguous_range}@ R, @\exposconcept{simd-integral}@ I, class... Flags>
requires ranges::@\libconcept{sized_range}@<R>
constexpr V
unchecked_gather_from(R&& in,
const I& indices, flags<Flags...> f = {});
template<class V = @\seebelow@,
ranges::@\libconcept{contiguous_range}@ R, @\exposconcept{simd-integral}@ I, class... Flags>
constexpr V unchecked_gather_from(R&& in, const I& indices, flags<Flags...> f = {});
template<class V = @\seebelow@, ranges::@\libconcept{contiguous_range}@ R, @\exposconcept{simd-integral}@ I, class... Flags>
requires ranges::@\libconcept{sized_range}@<R>
constexpr V
unchecked_gather_from(R&& in, const typename I::mask_type& mask,
const I& indices, flags<Flags...> f = {});
constexpr V unchecked_gather_from(R&& in, const typename I::mask_type& mask,
const I& indices, flags<Flags...> f = {});

template<class V = @\seebelow@,
ranges::@\libconcept{contiguous_range}@ R, @\exposconcept{simd-integral}@ I, class... Flags>
template<class V = @\seebelow@, ranges::@\libconcept{contiguous_range}@ R, @\exposconcept{simd-integral}@ I, class... Flags>
requires ranges::@\libconcept{sized_range}@<R>
constexpr V
partial_gather_from(R&& in,
const I& indices, flags<Flags...> f = {});
template<class V = @\seebelow@,
ranges::@\libconcept{contiguous_range}@ R, @\exposconcept{simd-integral}@ I, class... Flags>
constexpr V partial_gather_from(R&& in, const I& indices, flags<Flags...> f = {});
template<class V = @\seebelow@, ranges::@\libconcept{contiguous_range}@ R, @\exposconcept{simd-integral}@ I, class... Flags>
requires ranges::@\libconcept{sized_range}@<R>
constexpr V
partial_gather_from(R&& in, const typename I::mask_type& mask,
const I& indices, flags<Flags...> f = {});
constexpr V partial_gather_from(R&& in, const typename I::mask_type& mask,
const I& indices, flags<Flags...> f = {});

template<@\exposconcept{simd-vec-type}@ V, ranges::@\libconcept{contiguous_range}@ R, @\exposconcept{simd-integral}@ I, class... Flags>
requires ranges::@\libconcept{sized_range}@<R>
constexpr void
unchecked_scatter_to(const V& v, R&& out,
const I& indices, flags<Flags...> f = {});
constexpr void unchecked_scatter_to(const V& v, R&& out,
const I& indices, flags<Flags...> f = {});
template<@\exposconcept{simd-vec-type}@ V, ranges::@\libconcept{contiguous_range}@ R, @\exposconcept{simd-integral}@ I, class... Flags>
requires ranges::@\libconcept{sized_range}@<R>
constexpr void
unchecked_scatter_to(const V& v, R&& out, const typename I::mask_type& mask,
const I& indices, flags<Flags...> f = {});
constexpr void unchecked_scatter_to(const V& v, R&& out, const typename I::mask_type& mask,
const I& indices, flags<Flags...> f = {});

template<@\exposconcept{simd-vec-type}@ V, ranges::@\libconcept{contiguous_range}@ R, @\exposconcept{simd-integral}@ I, class... Flags>
requires ranges::@\libconcept{sized_range}@<R>
constexpr void
partial_scatter_to(const V& v, R&& out,
const I& indices, flags<Flags...> f = {});
constexpr void partial_scatter_to(const V& v, R&& out,
const I& indices, flags<Flags...> f = {});
template<@\exposconcept{simd-vec-type}@ V, ranges::@\libconcept{contiguous_range}@ R, @\exposconcept{simd-integral}@ I, class... Flags>
requires ranges::@\libconcept{sized_range}@<R>
constexpr void
partial_scatter_to(const V& v, R&& out, const typename I::mask_type& mask,
const I& indices, flags<Flags...> f = {});
constexpr void partial_scatter_to(const V& v, R&& out, const typename I::mask_type& mask,
const I& indices, flags<Flags...> f = {});

// \ref{simd.creation}, \tcode{basic_vec} and \tcode{basic_mask} creation
template<class T, class Abi>
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