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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.
*/
/*! \file trivial_copy.h
* \brief Sequential copy algorithms for plain-old-data.
*/
#pragma once
#include <thrust/detail/config.h>
#include <cstring>
#include <thrust/system/detail/sequential/general_copy.h>
THRUST_NAMESPACE_BEGIN
namespace system
{
namespace detail
{
namespace sequential
{
template<typename T>
__host__ __device__
T *trivial_copy_n(const T *first,
std::ptrdiff_t n,
T *result)
{
T* return_value = NULL;
if (THRUST_IS_HOST_CODE) {
#if THRUST_INCLUDE_HOST_CODE
std::memmove(result, first, n * sizeof(T));
return_value = result + n;
#endif
} else {
#if THRUST_INCLUDE_DEVICE_CODE
return_value = thrust::system::detail::sequential::general_copy_n(first, n, result);
#endif
}
return return_value;
} // end trivial_copy_n()
} // end namespace sequential
} // end namespace detail
} // end namespace system
THRUST_NAMESPACE_END
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