1.5 KiB
[simd.permute.dynamic]
29 Numerics library [numerics]
29.10 Data-parallel types [simd]
29.10.8 basic_vec non-member operations [simd.nonmembers]
29.10.8.8 vec dynamic permute [simd.permute.dynamic]
template<[simd-vec-type](simd.expos#concept:simd-vec-type "29.10.2 Exposition-only types, variables, and concepts [simd.expos]") V, [simd-integral](simd.expos#concept:simd-integral "29.10.2 Exposition-only types, variables, and concepts [simd.expos]") I> constexpr resize_t<I::size(), V> permute(const V& v, const I& indices); template<[simd-mask-type](simd.expos#concept:simd-mask-type "29.10.2 Exposition-only types, variables, and concepts [simd.expos]") M, [simd-integral](simd.expos#concept:simd-integral "29.10.2 Exposition-only types, variables, and concepts [simd.expos]") I> constexpr resize_t<I::size(), M> permute(const M& v, const I& indices);
Preconditions: All values in indices are in the range [0, V::size()).
Returns: A data-parallel object where the ith element is initialized to the result of v[indices[i]] for all i in the range [0, I::size()).