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[libc++][doc] Extended integral type support 

This addresses a request during the review of D128929.

Reviewed By: ldionne, #libc

Differential Revision: https://reviews.llvm.org/D129310
This commit is contained in:
Mark de Wever 2022-07-07 20:02:07 +02:00
parent 582b7d3ff0
commit 77ccf63ef0
1 changed files with 17 additions and 0 deletions
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17
libcxx/docs/UsingLibcxx.rst
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@ -444,3 +444,20 @@ distributions with types other than ``short``, ``int``, ``long``, ``long long``,
undefined. As an extension, libc++ supports instantiating ``binomial_distribution``, ``discrete_distribution``,
``geometric_distribution``, ``negative_binomial_distribution``, ``poisson_distribution``, and ``uniform_int_distribution``
with ``int8_t``, ``__int128_t`` and their unsigned versions.
Extended integral type support
------------------------------
Several platforms support the 128-bit integral types ``__int128_t`` and
``__uint128_t``. When these types are present they can be used in the headers
as required by the Standard:
* ``<bits>``
* ``<charconv>``
* ``<functional>``
* ``<type_traits>``
As an extension these types can be used in the following headers:
* ``<format>``
* ``<random>``