You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
113 lines
2.7 KiB
113 lines
2.7 KiB
11 years ago
|
/*
|
||
|
|
* Copyright 2008-2012 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.
|
||
|
|
*/
|
||
|
|
|
||
|
|
|
||
|
|
/*! \file iterator_traits.inl
|
||
|
|
* \brief Inline file for iterator_traits.h.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include <thrust/iterator/iterator_categories.h>
|
||
|
|
#include <thrust/iterator/detail/iterator_category_to_traversal.h>
|
||
|
|
#include <thrust/detail/type_traits.h>
|
||
|
|
|
||
|
|
namespace thrust
|
||
|
|
{
|
||
|
|
|
||
|
|
template<typename Iterator>
|
||
|
|
struct iterator_value
|
||
|
|
{
|
||
|
|
typedef typename thrust::iterator_traits<Iterator>::value_type type;
|
||
|
|
}; // end iterator_value
|
||
|
|
|
||
|
|
|
||
|
|
template<typename Iterator>
|
||
|
|
struct iterator_pointer
|
||
|
|
{
|
||
|
|
typedef typename thrust::iterator_traits<Iterator>::pointer type;
|
||
|
|
}; // end iterator_pointer
|
||
|
|
|
||
|
|
|
||
|
|
template<typename Iterator>
|
||
|
|
struct iterator_reference
|
||
|
|
{
|
||
|
|
typedef typename iterator_traits<Iterator>::reference type;
|
||
|
|
}; // end iterator_reference
|
||
|
|
|
||
|
|
|
||
|
|
template<typename Iterator>
|
||
|
|
struct iterator_difference
|
||
|
|
{
|
||
|
|
typedef typename thrust::iterator_traits<Iterator>::difference_type type;
|
||
|
|
}; // end iterator_difference
|
||
|
|
|
||
|
|
|
||
|
|
template<typename Iterator>
|
||
|
|
struct iterator_system
|
||
|
|
: detail::iterator_category_to_system<
|
||
|
|
typename thrust::iterator_traits<Iterator>::iterator_category
|
||
|
|
>
|
||
|
|
{
|
||
|
|
}; // end iterator_system
|
||
|
|
|
||
|
|
// specialize iterator_system for void *, which has no category
|
||
|
|
template<>
|
||
|
|
struct iterator_system<void *>
|
||
|
|
{
|
||
|
|
typedef thrust::iterator_system<int*>::type type;
|
||
|
|
}; // end iterator_system<void*>
|
||
|
|
|
||
|
|
template<>
|
||
|
|
struct iterator_system<const void *>
|
||
|
|
{
|
||
|
|
typedef thrust::iterator_system<const int*>::type type;
|
||
|
|
}; // end iterator_system<void*>
|
||
|
|
|
||
|
|
|
||
|
|
template <typename Iterator>
|
||
|
|
struct iterator_traversal
|
||
|
|
: detail::iterator_category_to_traversal<
|
||
|
|
typename thrust::iterator_traits<Iterator>::iterator_category
|
||
|
|
>
|
||
|
|
{
|
||
|
|
}; // end iterator_traversal
|
||
|
|
|
||
|
|
namespace detail
|
||
|
|
{
|
||
|
|
|
||
|
|
template <typename T>
|
||
|
|
struct is_iterator_traversal
|
||
|
|
: thrust::detail::is_convertible<T, incrementable_traversal_tag>
|
||
|
|
{
|
||
|
|
}; // end is_iterator_traversal
|
||
|
|
|
||
|
|
|
||
|
|
template<typename T>
|
||
|
|
struct is_iterator_system
|
||
|
|
: detail::or_<
|
||
|
|
detail::is_convertible<T, any_system_tag>,
|
||
|
|
detail::or_<
|
||
|
|
detail::is_convertible<T, host_system_tag>,
|
||
|
|
detail::is_convertible<T, device_system_tag>
|
||
|
|
>
|
||
|
|
>
|
||
|
|
{
|
||
|
|
}; // end is_iterator_system
|
||
|
|
|
||
|
|
|
||
|
|
} // end namespace detail
|
||
|
|
} // end namespace thrust
|
||
|
|
|