Editing C++ Standard Library (section)

===Numerics library===
Components that C++ programs may use to perform seminumerical or mathematical operations.
{| class="wikitable"
! Name !! Description 
|-
| {{code|<bit>}}
|| Added in [[C++20]]. Provides bit manipulation facilities.
|-
| {{code|<complex>}}
|| Defines a class template <code>std::complex</code>, and numerous functions for representing and manipulating complex numbers.
|-
| {{code|<linalg>}}
|| Added in [[C++26]]. Provides [[linear algebra]] facilities.
|-
| {{code|<numbers>}}
|| Added in [[C++20]]. Provides mathematical constants defined in namespace <code>std::numbers</code>.
|-
| {{code|<simd>}}
|| Added in [[C++26]]. Provides data-parallel types and operations on these types.
|-
| {{code|<random>}}
|| Added in [[C++11]]. Facility for generating (pseudo-)random numbers and distributions.
|-
| {{code|<ratio>}}
|| Added in [[C++11]]. Provides compile-time rational arithmetic based on class templates.
|-
| {{code|<valarray>}}
|| Defines five class templates (<code>std::valarray</code>, <code>std::slice_array</code>, <code>std::gslice_array</code>, <code>std::mask_array</code>, and <code>std::indirect_array</code>), two classes (<code>std::slice</code> and <code>std::gslice</code>), and a series of related function templates for representing and manipulating arrays of values.
|}