GOSTCoin CUDA miner project, compatible with most nvidia cards, containing only gostd algo
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/*
* 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.
*/
#include <thrust/detail/config.h>
#include <thrust/system/detail/generic/distance.h>
#include <thrust/iterator/iterator_traits.h>
namespace thrust
{
namespace system
{
namespace detail
{
namespace generic
{
namespace detail
{
template<typename InputIterator>
inline typename thrust::iterator_traits<InputIterator>::difference_type
distance(InputIterator first, InputIterator last, thrust::incrementable_traversal_tag)
{
typename thrust::iterator_traits<InputIterator>::difference_type result(0);
while(first != last)
{
++first;
++result;
} // end while
return result;
} // end advance()
template<typename InputIterator>
inline typename thrust::iterator_traits<InputIterator>::difference_type
distance(InputIterator first, InputIterator last, thrust::random_access_traversal_tag)
{
return last - first;
} // end distance()
} // end detail
template<typename InputIterator>
inline typename thrust::iterator_traits<InputIterator>::difference_type
distance(InputIterator first, InputIterator last)
{
// dispatch on iterator traversal
return thrust::system::detail::generic::detail::distance(first, last,
typename thrust::iterator_traversal<InputIterator>::type());
} // end advance()
} // end namespace generic
} // end namespace detail
} // end namespace system
} // end namespace thrust