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.
74 lines
2.0 KiB
74 lines
2.0 KiB
/* |
|
* 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. |
|
*/ |
|
|
|
#pragma once |
|
|
|
#include <thrust/detail/config.h> |
|
#include <thrust/iterator/iterator_adaptor.h> |
|
#include <thrust/iterator/iterator_traits.h> |
|
#include <thrust/detail/use_default.h> |
|
|
|
namespace thrust |
|
{ |
|
namespace detail |
|
{ |
|
|
|
template <typename,typename> class tagged_iterator; |
|
|
|
template<typename Iterator, typename Tag> |
|
struct tagged_iterator_base |
|
{ |
|
typedef thrust::iterator_adaptor< |
|
tagged_iterator<Iterator,Tag>, |
|
Iterator, |
|
typename thrust::iterator_value<Iterator>::type, |
|
Tag, |
|
typename thrust::iterator_traversal<Iterator>::type, |
|
typename thrust::iterator_reference<Iterator>::type, |
|
typename thrust::iterator_difference<Iterator>::type |
|
> type; |
|
}; // end tagged_iterator_base |
|
|
|
template<typename Iterator, typename Tag> |
|
class tagged_iterator |
|
: public tagged_iterator_base<Iterator,Tag>::type |
|
{ |
|
private: |
|
typedef typename tagged_iterator_base<Iterator,Tag>::type super_t; |
|
|
|
public: |
|
__host__ __device__ |
|
tagged_iterator(void) {} |
|
|
|
__host__ __device__ |
|
explicit tagged_iterator(Iterator x) |
|
: super_t(x) {} |
|
}; // end tagged_iterator |
|
|
|
|
|
// specialize is_trivial_iterator for tagged_iterator |
|
template<typename> struct is_trivial_iterator; |
|
|
|
// tagged_iterator is trivial if its base iterator is |
|
template<typename BaseIterator, typename Tag> |
|
struct is_trivial_iterator<tagged_iterator<BaseIterator,Tag> > |
|
: is_trivial_iterator<BaseIterator> |
|
{}; |
|
|
|
|
|
} // end detail |
|
} // end thrust |
|
|
|
|