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cppdraft/simd/subscr.md

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+[simd.subscr]
+
+# 29 Numerics library [[numerics]](./#numerics)
+
+## 29.10 Data-parallel types [[simd]](simd#subscr)
+
+### 29.10.7 Class template basic_vec [[simd.class]](simd.class#simd.subscr)
+
+#### 29.10.7.3 basic_vec subscript operator [simd.subscr]
+
+[🔗](#lib:operator%5b%5d,basic_vec)
+
+`constexpr value_type operator[](simd-size-type i) const;
+`
+
+[1](#1)
+
+[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/numerics.tex#L17903)
+
+*Preconditions*: i >= 0 && i < size() is true[.](#1.sentence-1)
+
+[2](#2)
+
+[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/numerics.tex#L17907)
+
+*Returns*: The value of the ith element[.](#2.sentence-1)
+
+[3](#3)
+
+[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/numerics.tex#L17911)
+
+*Throws*: Nothing[.](#3.sentence-1)
+
+[🔗](#lib:operator%5b%5d,basic_vec_)
+
+`template<[simd-integral](simd.expos#concept:simd-integral "29.10.2 Exposition-only types, variables, and concepts [simd.expos]") I>
+  constexpr resize_t<I::size(), basic_vec> operator[](const I& indices) const;
+`
+
+[4](#4)
+
+[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/numerics.tex#L17923)
+
+*Effects*: Equivalent to: return permute(*this, indices);