std::experimental::simd_size - cppreference.com (original) (raw)

| | | | | ------------------------------------------------------------------------------- | | ------------------- | | template< class T, class Abi = simd_abi::compatible<T> > struct simd_size; | | (parallelism TS v2) |

If T is a vectorizable type and is_abi_tag_v<Abi> is true, provides the member constant value equal to the width (number of elements) of simd<T, Abi>, irrespective of whether simd<T, Abi> is supported or not. For any other types T and Abi, there is no member value.

If the program adds specializations for std::simd_size or std::simd_size_v(since C++17), the behavior is undefined.

Contents

• 1 Helper variable template
• 2 Inherited from std::integral_constant
  • 2.1 Member constants
  • 2.2 Member functions
  • 2.3 Member types
  • 2.4 Example
  • 2.5 See also

[edit] Helper variable template

| template< class T, class Abi = simd_abi::compatible<T> > constexpr std::size_t simd_size_v = simd_size<T, Abi>::value; | | (parallelism TS v2) | | ------------------------------------------------------------------------------------------------------------------------------------------------------------- | | ------------------- |

Inherited from std::integral_constant

Member constants

| | the width of simd<T, Abi> (public static member constant) | | ------------------------------------------------------------ |

Member functions

| | converts the object to std::size_t, returns value (public member function) | | ----------------------------------------------------------------------------------------------------------- | | | returns value (public member function) |

Member types

[edit] Example

[edit] See also