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/*
* Copyright 2008-2018 NVIDIA Corporation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#pragma once
#include <thrust/iterator/detail/normal_iterator.h>
#include <thrust/detail/execution_policy.h>
#include <thrust/detail/allocator/allocator_traits.h>
#include <thrust/detail/config.h>
THRUST_NAMESPACE_BEGIN
namespace detail
{
struct copy_allocator_t {};
// XXX parameter T is redundant with parameter Alloc
template<typename T, typename Alloc>
class contiguous_storage
{
private:
typedef thrust::detail::allocator_traits<Alloc> alloc_traits;
public:
typedef Alloc allocator_type;
typedef T value_type;
typedef typename alloc_traits::pointer pointer;
typedef typename alloc_traits::const_pointer const_pointer;
typedef typename alloc_traits::size_type size_type;
typedef typename alloc_traits::difference_type difference_type;
typedef typename alloc_traits::reference reference;
typedef typename alloc_traits::const_reference const_reference;
typedef thrust::detail::normal_iterator<pointer> iterator;
typedef thrust::detail::normal_iterator<const_pointer> const_iterator;
__thrust_exec_check_disable__
__host__ __device__
explicit contiguous_storage(const allocator_type &alloc = allocator_type());
__thrust_exec_check_disable__
__host__ __device__
explicit contiguous_storage(size_type n, const allocator_type &alloc = allocator_type());
__thrust_exec_check_disable__
__host__ __device__
explicit contiguous_storage(copy_allocator_t, const contiguous_storage &other);
__thrust_exec_check_disable__
__host__ __device__
explicit contiguous_storage(copy_allocator_t, const contiguous_storage &other, size_type n);
__thrust_exec_check_disable__
__host__ __device__
~contiguous_storage();
__host__ __device__
size_type size() const;
__host__ __device__
size_type max_size() const;
__host__ __device__
pointer data();
__host__ __device__
const_pointer data() const;
__host__ __device__
iterator begin();
__host__ __device__
const_iterator begin() const;
__host__ __device__
iterator end();
__host__ __device__
const_iterator end() const;
__host__ __device__
reference operator[](size_type n);
__host__ __device__
const_reference operator[](size_type n) const;
__host__ __device__
allocator_type get_allocator() const;
// note that allocate does *not* automatically call deallocate
__host__ __device__
void allocate(size_type n);
__host__ __device__
void deallocate();
__host__ __device__
void swap(contiguous_storage &x);
__host__ __device__
void default_construct_n(iterator first, size_type n);
__host__ __device__
void uninitialized_fill_n(iterator first, size_type n, const value_type &value);
template<typename InputIterator>
__host__ __device__
iterator uninitialized_copy(InputIterator first, InputIterator last, iterator result);
template<typename System, typename InputIterator>
__host__ __device__
iterator uninitialized_copy(thrust::execution_policy<System> &from_system,
InputIterator first,
InputIterator last,
iterator result);
template<typename InputIterator, typename Size>
__host__ __device__
iterator uninitialized_copy_n(InputIterator first, Size n, iterator result);
template<typename System, typename InputIterator, typename Size>
__host__ __device__
iterator uninitialized_copy_n(thrust::execution_policy<System> &from_system,
InputIterator first,
Size n,
iterator result);
__host__ __device__
void destroy(iterator first, iterator last);
__host__ __device__
void deallocate_on_allocator_mismatch(const contiguous_storage &other);
__host__ __device__
void destroy_on_allocator_mismatch(const contiguous_storage &other,
iterator first, iterator last);
__host__ __device__
void set_allocator(const allocator_type &alloc);
__host__ __device__
bool is_allocator_not_equal(const allocator_type &alloc) const;
__host__ __device__
bool is_allocator_not_equal(const contiguous_storage &other) const;
__host__ __device__
void propagate_allocator(const contiguous_storage &other);
#if THRUST_CPP_DIALECT >= 2011
__host__ __device__
void propagate_allocator(contiguous_storage &other);
// allow move assignment for a sane implementation of allocator propagation
// on move assignment
__host__ __device__
contiguous_storage &operator=(contiguous_storage &&other);
#endif
private:
// XXX we could inherit from this to take advantage of empty base class optimization
allocator_type m_allocator;
iterator m_begin;
size_type m_size;
// disallow assignment
contiguous_storage &operator=(const contiguous_storage &x);
__host__ __device__
void swap_allocators(true_type, const allocator_type &);
__host__ __device__
void swap_allocators(false_type, allocator_type &);
__host__ __device__
bool is_allocator_not_equal_dispatch(true_type, const allocator_type &) const;
__host__ __device__
bool is_allocator_not_equal_dispatch(false_type, const allocator_type &) const;
__host__ __device__
void deallocate_on_allocator_mismatch_dispatch(true_type, const contiguous_storage &other);
__host__ __device__
void deallocate_on_allocator_mismatch_dispatch(false_type, const contiguous_storage &other);
__host__ __device__
void destroy_on_allocator_mismatch_dispatch(true_type, const contiguous_storage &other,
iterator first, iterator last);
__host__ __device__
void destroy_on_allocator_mismatch_dispatch(false_type, const contiguous_storage &other,
iterator first, iterator last);
__host__ __device__
void propagate_allocator_dispatch(true_type, const contiguous_storage &other);
__host__ __device__
void propagate_allocator_dispatch(false_type, const contiguous_storage &other);
#if THRUST_CPP_DIALECT >= 2011
__host__ __device__
void propagate_allocator_dispatch(true_type, contiguous_storage &other);
__host__ __device__
void propagate_allocator_dispatch(false_type, contiguous_storage &other);
#endif
}; // end contiguous_storage
} // end detail
template<typename T, typename Alloc>
__host__ __device__
void swap(detail::contiguous_storage<T,Alloc> &lhs, detail::contiguous_storage<T,Alloc> &rhs);
THRUST_NAMESPACE_END
#include <thrust/detail/contiguous_storage.inl>
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