stan::math::arena_allocator< T > Struct Template Reference

Detailed Description

template<typename T>
struct stan::math::arena_allocator< T >

std library compatible allocator that uses AD stack.

Template Parameters

T	type of scalar

Warning

The type T needs to be either trivially destructible or the dynamic allocations needs to be managed by the arena_allocator. For example this works:

using my_matrix = std::vector<std::vector<double,
stan::math::arena_allocator<double>>,
stan::math::arena_allocator<std::vector<double,
stan::math::arena_allocator<double>>>>;

Definition at line 23 of file arena_allocator.hpp.

#include <arena_allocator.hpp>

Public Types
using	value_type = T

Public Member Functions
	arena_allocator ()=default
	arena_allocator (const arena_allocator &rhs)=default
template<class U >
	arena_allocator (const arena_allocator< U > &rhs)
T *	allocate (std::size_t n)
	Allocates space for n items of type T.
void	deallocate (T *, std::size_t) noexcept
	No-op.
constexpr bool	operator== (const arena_allocator &) const noexcept
	Equality comparison operator.
constexpr bool	operator!= (const arena_allocator &) const noexcept
	Inequality comparison operator.

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

• stan/math/rev/core/arena_allocator.hpp