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102 lines
3.8 KiB
102 lines
3.8 KiB
11 years ago
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/*
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* Copyright 2008-2012 NVIDIA Corporation
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#pragma once
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#include <thrust/detail/config.h>
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#include <thrust/detail/type_traits/pointer_traits.h>
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#include <thrust/iterator/iterator_traits.h>
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namespace thrust
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{
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namespace detail
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{
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template<typename T, typename Tag, typename Pointer> class tagged_allocator;
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template<typename Tag, typename Pointer>
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class tagged_allocator<void, Tag, Pointer>
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{
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public:
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typedef void value_type;
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typedef typename thrust::detail::pointer_traits<Pointer>::template rebind<void>::other pointer;
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typedef typename thrust::detail::pointer_traits<Pointer>::template rebind<const void>::other const_pointer;
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typedef std::size_t size_type;
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typedef typename thrust::detail::pointer_traits<Pointer>::difference_type difference_type;
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typedef Tag system_type;
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template<typename U>
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struct rebind
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{
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typedef tagged_allocator<U,Tag,Pointer> other;
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}; // end rebind
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};
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template<typename T, typename Tag, typename Pointer>
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class tagged_allocator
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{
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public:
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typedef T value_type;
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typedef typename thrust::detail::pointer_traits<Pointer>::template rebind<T>::other pointer;
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typedef typename thrust::detail::pointer_traits<Pointer>::template rebind<const T>::other const_pointer;
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typedef typename thrust::iterator_reference<pointer>::type reference;
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typedef typename thrust::iterator_reference<const_pointer>::type const_reference;
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typedef std::size_t size_type;
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typedef typename thrust::detail::pointer_traits<pointer>::difference_type difference_type;
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typedef Tag system_type;
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template<typename U>
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struct rebind
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{
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typedef tagged_allocator<U,Tag,Pointer> other;
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}; // end rebind
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__host__ __device__
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inline tagged_allocator();
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__host__ __device__
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inline tagged_allocator(const tagged_allocator &);
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template<typename U, typename OtherPointer>
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__host__ __device__
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inline tagged_allocator(const tagged_allocator<U, Tag, OtherPointer> &);
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__host__ __device__
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inline ~tagged_allocator();
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__host__ __device__
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pointer address(reference x) const;
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__host__ __device__
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const_pointer address(const_reference x) const;
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size_type max_size() const;
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};
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template<typename T1, typename Pointer1, typename T2, typename Pointer2, typename Tag>
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__host__ __device__
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bool operator==(const tagged_allocator<T1,Pointer1,Tag> &, const tagged_allocator<T2,Pointer2,Tag> &);
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template<typename T1, typename Pointer1, typename T2, typename Pointer2, typename Tag>
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__host__ __device__
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bool operator!=(const tagged_allocator<T1,Pointer1,Tag> &, const tagged_allocator<T2,Pointer2,Tag> &);
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} // end detail
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} // end thrust
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#include <thrust/detail/allocator/tagged_allocator.inl>
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