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.
43 lines
1.2 KiB
43 lines
1.2 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.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#pragma once
|
||
|
|
|
||
|
|
#include <thrust/detail/config.h>
|
||
|
|
#include <thrust/detail/type_traits.h>
|
||
|
|
|
||
|
|
namespace thrust
|
||
|
|
{
|
||
|
|
|
||
|
|
namespace detail
|
||
|
|
{
|
||
|
|
|
||
|
|
// since both arguments are known to be specializations of iterator_facade,
|
||
|
|
// it's legal to access IteratorFacade2::difference_type
|
||
|
|
template<typename IteratorFacade1, typename IteratorFacade2>
|
||
|
|
struct distance_from_result
|
||
|
|
: eval_if<
|
||
|
|
is_convertible<IteratorFacade2,IteratorFacade1>::value,
|
||
|
|
identity_<typename IteratorFacade1::difference_type>,
|
||
|
|
identity_<typename IteratorFacade2::difference_type>
|
||
|
|
>
|
||
|
|
{};
|
||
|
|
|
||
|
|
} // end detail
|
||
|
|
|
||
|
|
} // end thrust
|
||
|
|
|