[numeric.sat.cast]

# 26 Algorithms library [[algorithms]](./#algorithms)

## 26.10 Generalized numeric operations [[numeric.ops]](numeric.ops#numeric.sat.cast)

### 26.10.17 Saturation arithmetic [[numeric.sat]](numeric.sat#cast)

#### 26.10.17.2 Casting [numeric.sat.cast]

[🔗](#lib:saturate_cast)

`template<class R, class T>
  constexpr R saturate_cast(T x) noexcept;
`

[1](#1)

[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/algorithms.tex#L13488)

*Constraints*: R and T are signed or unsigned integer types ([[basic.fundamental]](basic.fundamental "6.9.2 Fundamental types"))[.](#1.sentence-1)

[2](#2)

[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/algorithms.tex#L13492)

*Returns*: If x is representable as a value of type R, x;
otherwise, either the largest or smallest representable value of type R,
whichever is closer to the value of x[.](#2.sentence-1)