[simd.mask.comparison]

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

## 29.10 Data-parallel types [[simd]](simd#mask.comparison)

### 29.10.10 basic_mask non-member operations [[simd.mask.nonmembers]](simd.mask.nonmembers#simd.mask.comparison)

#### 29.10.10.3 basic_mask comparisons [simd.mask.comparison]

[🔗](#lib:operator==,basic_mask)

`friend constexpr basic_mask
  operator==(const basic_mask& lhs, const basic_mask& rhs) noexcept;
friend constexpr basic_mask
  operator!=(const basic_mask& lhs, const basic_mask& rhs) noexcept;
friend constexpr basic_mask
  operator>=(const basic_mask& lhs, const basic_mask& rhs) noexcept;
friend constexpr basic_mask
  operator<=(const basic_mask& lhs, const basic_mask& rhs) noexcept;
friend constexpr basic_mask
  operator>(const basic_mask& lhs, const basic_mask& rhs) noexcept;
friend constexpr basic_mask
  operator<(const basic_mask& lhs, const basic_mask& rhs) noexcept;
`

[1](#1)

[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/numerics.tex#L20423)

Let *op* be the operator[.](#1.sentence-1)

[2](#2)

[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/numerics.tex#L20426)

*Returns*: A basic_mask object initialized with the results of applying*op* to lhs and rhs as a binary element-wise
operation[.](#2.sentence-1)