[simd.unary]

# 29 Numerics library [[numerics]](./#numerics)

## 29.10 Data-parallel types [[simd]](simd#unary)

### 29.10.7 Class template basic_vec [[simd.class]](simd.class#simd.unary)

#### 29.10.7.5 basic_vec unary operators [simd.unary]

[1](#1)

[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/numerics.tex#L17983)

Effects in [simd.unary] are applied as unary element-wise operations[.](#1.sentence-1)

[🔗](#lib:operator++,basic_vec)

`constexpr basic_vec& operator++() noexcept;
`

[2](#2)

[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/numerics.tex#L17992)

*Constraints*: requires (value_type a) { ++a; } is true[.](#2.sentence-1)

[3](#3)

[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/numerics.tex#L17996)

*Effects*: Increments every element by one[.](#3.sentence-1)

[4](#4)

[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/numerics.tex#L18000)

*Returns*: *this[.](#4.sentence-1)

[🔗](#lib:operator++,basic_vec_)

`constexpr basic_vec operator++(int) noexcept;
`

[5](#5)

[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/numerics.tex#L18011)

*Constraints*: requires (value_type a) { a++; } is true[.](#5.sentence-1)

[6](#6)

[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/numerics.tex#L18015)

*Effects*: Increments every element by one[.](#6.sentence-1)

[7](#7)

[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/numerics.tex#L18019)

*Returns*: A copy of *this before incrementing[.](#7.sentence-1)

[🔗](#lib:operator--,basic_vec)

`constexpr basic_vec& operator--() noexcept;
`

[8](#8)

[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/numerics.tex#L18030)

*Constraints*: requires (value_type a) { --a; } is true[.](#8.sentence-1)

[9](#9)

[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/numerics.tex#L18034)

*Effects*: Decrements every element by one[.](#9.sentence-1)

[10](#10)

[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/numerics.tex#L18038)

*Returns*: *this[.](#10.sentence-1)

[🔗](#lib:operator--,basic_vec_)

`constexpr basic_vec operator--(int) noexcept;
`

[11](#11)

[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/numerics.tex#L18049)

*Constraints*: requires (value_type a) { a--; } is true[.](#11.sentence-1)

[12](#12)

[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/numerics.tex#L18053)

*Effects*: Decrements every element by one[.](#12.sentence-1)

[13](#13)

[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/numerics.tex#L18057)

*Returns*: A copy of *this before decrementing[.](#13.sentence-1)

[🔗](#lib:operator,operator
,basic_vec)

`constexpr mask_type operator!() const noexcept;
`

[14](#14)

[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/numerics.tex#L18068)

*Constraints*: requires (const value_type a) { !a; } is true[.](#14.sentence-1)

[15](#15)

[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/numerics.tex#L18072)

*Returns*: A basic_mask object with the ith element set to!operator[](i) for all i in the range of [0, size())[.](#15.sentence-1)

[🔗](#lib:operator~,basic_vec)

`constexpr basic_vec operator~() const noexcept;
`

[16](#16)

[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/numerics.tex#L18084)

*Constraints*: requires (const value_type a) { ~a; } is true[.](#16.sentence-1)

[17](#17)

[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/numerics.tex#L18088)

*Returns*: A basic_vec object with the ith element set to~operator[](i) for all i in the range of [0, size())[.](#17.sentence-1)

[🔗](#lib:operator+,basic_vec)

`constexpr basic_vec operator+() const noexcept;
`

[18](#18)

[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/numerics.tex#L18100)

*Constraints*: requires (const value_type a) { +a; } is true[.](#18.sentence-1)

[19](#19)

[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/numerics.tex#L18104)

*Returns*: *this[.](#19.sentence-1)

[🔗](#lib:operator-,basic_vec)

`constexpr basic_vec operator-() const noexcept;
`

[20](#20)

[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/numerics.tex#L18115)

*Constraints*: requires (const value_type a) { -a; } is true[.](#20.sentence-1)

[21](#21)

[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/numerics.tex#L18119)

*Returns*: A basic_vec object where the ith element is initialized to-operator[](i) for all i in the range of [0, size())[.](#21.sentence-1)