reduction_accessor< R, T > Struct Template Reference

Accessor for computing reductions. More...

Public Member Functions
auto	operator[] (size_type index) const
	Prepare to update en element.
util::span< element_type >	span () const
	Access the underlying elements.

Detailed Description

template<class R, typename T>
struct flecsi::data::reduction_accessor< R, T >

Accessor for computing reductions.

This class is supported for GPU execution. Name via field::reduction. Usable only with the global topology. Pass a normal field_reference. The previous field value contributes to the result.

Template Parameters

R	reduction operation
T	data type

Member Function Documentation

operator[]()

template<class R , typename T >

auto operator[]

(

size_type

index

)

const

Prepare to update en element.

Returns

a callable that merges its T argument into the field element

span()

template<class R , typename T >

util::span< element_type > span

(

)

const

Access the underlying elements.