Dune::Simd Namespace Reference

Namespace for vectorization interface functions used by library developers. More...

Namespaces
namespace	Overloads
	Namespace for the overloads and specializations that make up a SIMD implementation.
namespace	VcImpl

Classes
struct	EndMark
	final element marker for RebindList More...
class	UnitTest

Typedefs
template<class... Types>
using	RebindList
	A list of types with the final element removed.
template<class T>
using	IsLoop = typename Impl::IsLoop<T>::type
	check whether a type is an instance of LoopSIMD

Functions
IO interface
Templates and functions in this group provide syntactic sugar for IO. They are implemented using the functionality from SimdInterfaceBase, and are not customizable by implementations.
template<class V>
auto	vio (const V &v)
	construct a stream inserter
template<class V>
auto	io (const V &v)
	construct a stream inserter

Basic interface
template<class V>
using	Scalar = typename Overloads::ScalarType<std::decay_t<V> >::type
	Element type of some SIMD type.
template<class S, class V>
using	Rebind
	Construct SIMD type with different scalar type.
template<class V>
constexpr std::size_t	lanes ()
	Number of lanes in a SIMD type.
template<class V>
decltype(auto)	lane (std::size_t l, V &&v)
	Extract an element of a SIMD type.
template<class V, class U>
constexpr V	implCast (U &&u)
	Cast an expression from one implementation to another.
template<class V, class S>
constexpr V	broadcast (S s)
	Broadcast a scalar to a vector explicitly.
template<class M, class V>
V	cond (M &&mask, const V &ifTrue, const V &ifFalse)
	Like the ?: operator.
template<class V>
V	cond (bool mask, const V &ifTrue, const V &ifFalse)
	Like the ?: operator.
template<class V>
auto	max (const V &v1, const V &v2)
	The binary maximum value over two simd objects.
template<class V>
auto	min (const V &v1, const V &v2)
	The binary minimum value over two simd objects.
template<class Mask>
bool	anyTrue (const Mask &mask)
	Whether any entry is true.
template<class Mask>
bool	allTrue (const Mask &mask)
	Whether all entries are true.
template<class Mask>
bool	anyFalse (const Mask &mask)
	Whether any entry is false.
template<class Mask>
bool	allFalse (const Mask &mask)
	Whether all entries are false.
template<class V>
Scalar< V >	max (const V &v)
	The horizontal maximum value over all lanes.
template<class V>
Scalar< V >	min (const V &v)
	The horizontal minimum value over all lanes.
template<class V>
auto	mask (const V &v)
	Convert to mask, analogue of bool(s) for scalars.
template<class V1, class V2>
auto	maskOr (const V1 &v1, const V2 &v2)
	Logic or of masks.
template<class V1, class V2>
auto	maskAnd (const V1 &v1, const V2 &v2)
	Logic and of masks.

Syntactic Sugar
Templates and functions in this group provide syntactic sugar, they are implemented using the functionality from SimdInterfaceBase, and are not customizable by implementations.
template<class V>
using	Mask = Rebind<bool, V>
	Mask type type of some SIMD type.
template<class V>
std::size_t	lanes (const V &)
	Number of lanes in a SIMD type.

Detailed Description

Namespace for vectorization interface functions used by library developers.

Typedef Documentation

IsLoop

template<class T>

using Dune::Simd::IsLoop = typename Impl::IsLoop<T>::type

check whether a type is an instance of LoopSIMD

RebindList

template<class... Types>

using Dune::Simd::RebindList

Initial value:

 
      typename Impl::RemoveEnd<EndMark, TypeList<Types...> >::type

A list of types with the final element removed.

This is TypeList<NoEndTypes..>, where NoEndTypes... is Types... with the final element removed. The final element in Types... is required to be EndMark.

This is useful to construct type lists in generated source files, since you don't need to avoid generating a trailing , in the list – just terminate it with EndMark.