Detailed Description

template<typename ReduceFunction, typename ReturnType, typename Vec, typename... Args>
struct stan::math::internal::reduce_sum_impl< ReduceFunction, require_arithmetic_t< ReturnType >, ReturnType, Vec, Args... >::recursive_reducer

This struct is used by the TBB to accumulate partial sums over consecutive ranges of the input.

To distribute the workload, the TBB can split larger partial sums into smaller ones in which case the splitting copy constructor is used. It is designed to meet the Imperative form requirements of tbb::parallel_reduce.

Note: see link here for requirements.

Definition at line 46 of file reduce_sum.hpp.

#include <reduce_sum.hpp>

Public Member Functions
	recursive_reducer (Vec &&vmapped, std::ostream *msgs, Args &&... args)

	recursive_reducer (recursive_reducer &other, tbb::split)
	This is the copy operator as required for tbb::parallel_reduce Imperative form.

void	operator() (const tbb::blocked_range< size_t > &r)
	Compute the value and of `ReduceFunction` over the range defined by r and accumulate those in member variable sum_.

void	join (const recursive_reducer &rhs)
	Join reducers.

Public Attributes
Vec	vmapped_

std::stringstream	msgs_

std::tuple< Args... >	args_tuple_

return_type_t< Vec, Args... >	sum_ {0.0}

The documentation for this struct was generated from the following file:

stan/math/prim/functor/reduce_sum.hpp

Detailed Description

Public Member Functions

Public Attributes