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Showing content from https://en.cppreference.com/w/cpp/language/../error/error_code/../../numeric/saturate_cast.html below:

std::saturate_cast - cppreference.com

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

(since C++26)

Converts the value x to a value of type T, clamping x between the minimum and maximum values of type T.

The program is ill-formed if either T or U is not a signed or unsigned integer type (including standard integer type and extended integer type).

[edit] Parameters [edit] Return value

x, if x is representable as a value of type T. Otherwise,
either the largest or smallest representable value of type T, whichever is closer to the value of x.

[edit] Notes [edit] Possible implementation

See libstdc++ (GCC).

[edit] Example [edit] See also reinterpret the object representation of one type as that of another
(function template) [edit] clamps a value between a pair of boundary values
(function template) [edit] checks if an integer value is in the range of a given integer type
(function template) [edit]

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