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/*
* Copyright 2008-2013 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/system/detail/sequential/copy.h>
#include <thrust/detail/type_traits.h>
#include <thrust/system/detail/sequential/general_copy.h>
#include <thrust/system/detail/sequential/trivial_copy.h>
#include <thrust/iterator/iterator_traits.h>
#include <thrust/detail/type_traits/pointer_traits.h>
#include <thrust/type_traits/is_trivially_relocatable.h>
THRUST_NAMESPACE_BEGIN
namespace system
{
namespace detail
{
namespace sequential
{
namespace copy_detail
{
// returns the raw pointer associated with a Pointer-like thing
template<typename Pointer>
__host__ __device__
typename thrust::detail::pointer_traits<Pointer>::raw_pointer
get(Pointer ptr)
{
return thrust::detail::pointer_traits<Pointer>::get(ptr);
}
__thrust_exec_check_disable__
template<typename InputIterator,
typename OutputIterator>
__host__ __device__
OutputIterator copy(InputIterator first,
InputIterator last,
OutputIterator result,
thrust::detail::true_type) // is_indirectly_trivially_relocatable_to
{
typedef typename thrust::iterator_difference<InputIterator>::type Size;
const Size n = last - first;
thrust::system::detail::sequential::trivial_copy_n(get(&*first), n, get(&*result));
return result + n;
} // end copy()
__thrust_exec_check_disable__
template<typename InputIterator,
typename OutputIterator>
__host__ __device__
OutputIterator copy(InputIterator first,
InputIterator last,
OutputIterator result,
thrust::detail::false_type) // is_indirectly_trivially_relocatable_to
{
return thrust::system::detail::sequential::general_copy(first,last,result);
} // end copy()
__thrust_exec_check_disable__
template<typename InputIterator,
typename Size,
typename OutputIterator>
__host__ __device__
OutputIterator copy_n(InputIterator first,
Size n,
OutputIterator result,
thrust::detail::true_type) // is_indirectly_trivially_relocatable_to
{
thrust::system::detail::sequential::trivial_copy_n(get(&*first), n, get(&*result));
return result + n;
} // end copy_n()
__thrust_exec_check_disable__
template<typename InputIterator,
typename Size,
typename OutputIterator>
__host__ __device__
OutputIterator copy_n(InputIterator first,
Size n,
OutputIterator result,
thrust::detail::false_type) // is_indirectly_trivially_relocatable_to
{
return thrust::system::detail::sequential::general_copy_n(first,n,result);
} // end copy_n()
} // end namespace copy_detail
__thrust_exec_check_disable__
template<typename DerivedPolicy,
typename InputIterator,
typename OutputIterator>
__host__ __device__
OutputIterator copy(sequential::execution_policy<DerivedPolicy> &,
InputIterator first,
InputIterator last,
OutputIterator result)
{
return thrust::system::detail::sequential::copy_detail::copy(first, last, result,
typename thrust::is_indirectly_trivially_relocatable_to<InputIterator,OutputIterator>::type());
} // end copy()
__thrust_exec_check_disable__
template<typename DerivedPolicy,
typename InputIterator,
typename Size,
typename OutputIterator>
__host__ __device__
OutputIterator copy_n(sequential::execution_policy<DerivedPolicy> &,
InputIterator first,
Size n,
OutputIterator result)
{
return thrust::system::detail::sequential::copy_detail::copy_n(first, n, result,
typename thrust::is_indirectly_trivially_relocatable_to<InputIterator,OutputIterator>::type());
} // end copy_n()
} // end namespace sequential
} // end namespace detail
} // end namespace system
THRUST_NAMESPACE_END
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