31 lines
1.5 KiB
Markdown
31 lines
1.5 KiB
Markdown
[simd.permute.dynamic]
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# 29 Numerics library [[numerics]](./#numerics)
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## 29.10 Data-parallel types [[simd]](simd#permute.dynamic)
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### 29.10.8 basic_vec non-member operations [[simd.nonmembers]](simd.nonmembers#simd.permute.dynamic)
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#### 29.10.8.8 vec dynamic permute [simd.permute.dynamic]
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[ð](#lib:permute,simd)
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`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>
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constexpr resize_t<I::size(), V> permute(const V& v, const I& indices);
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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>
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constexpr resize_t<I::size(), M> permute(const M& v, const I& indices);
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`
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[1](#1)
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[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/numerics.tex#L18825)
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*Preconditions*: All values in indices are in the range [0, V::size())[.](#1.sentence-1)
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[2](#2)
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[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/numerics.tex#L18829)
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*Returns*: A data-parallel object where the ith element is initialized to the result of v[indices[i]] for all i in
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the range [0, I::size())[.](#2.sentence-1)
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