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/******************************************************************************
* Copyright (c) 2016, NVIDIA CORPORATION. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of the NVIDIA CORPORATION nor the
* names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL NVIDIA CORPORATION BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
******************************************************************************/
#pragma once
#include <thrust/detail/config.h>
#include <thrust/system/cuda/config.h>
#include <thrust/system/cuda/detail/execution_policy.h>
#include <thrust/system/cuda/detail/cross_system.h>
THRUST_NAMESPACE_BEGIN
template <typename DerivedPolicy, typename InputIt, typename OutputIt>
__host__ __device__ OutputIt
copy(const thrust::detail::execution_policy_base<DerivedPolicy> &exec,
InputIt first,
InputIt last,
OutputIt result);
template <class DerivedPolicy, class InputIt, class Size, class OutputIt>
__host__ __device__ OutputIt
copy_n(const thrust::detail::execution_policy_base<DerivedPolicy> &exec,
InputIt first,
Size n,
OutputIt result);
namespace cuda_cub {
// D->D copy requires NVCC compiler
template <class System,
class InputIterator,
class OutputIterator>
OutputIterator __host__ __device__
copy(execution_policy<System> &system,
InputIterator first,
InputIterator last,
OutputIterator result);
template <class System1,
class System2,
class InputIterator,
class OutputIterator>
OutputIterator __host__
copy(cross_system<System1, System2> systems,
InputIterator first,
InputIterator last,
OutputIterator result);
template <class System,
class InputIterator,
class Size,
class OutputIterator>
OutputIterator __host__ __device__
copy_n(execution_policy<System> &system,
InputIterator first,
Size n,
OutputIterator result);
template <class System1,
class System2,
class InputIterator,
class Size,
class OutputIterator>
OutputIterator __host__
copy_n(cross_system<System1, System2> systems,
InputIterator first,
Size n,
OutputIterator result);
} // namespace cuda_
THRUST_NAMESPACE_END
#include <thrust/system/cuda/detail/internal/copy_device_to_device.h>
#include <thrust/system/cuda/detail/internal/copy_cross_system.h>
#include <thrust/system/cuda/detail/par_to_seq.h>
THRUST_NAMESPACE_BEGIN
namespace cuda_cub {
#if THRUST_DEVICE_COMPILER == THRUST_DEVICE_COMPILER_NVCC
// D->D copy requires NVCC compiler
__thrust_exec_check_disable__
template <class System,
class InputIterator,
class OutputIterator>
OutputIterator __host__ __device__
copy(execution_policy<System> &system,
InputIterator first,
InputIterator last,
OutputIterator result)
{
OutputIterator ret = result;
if (__THRUST_HAS_CUDART__)
{
ret = __copy::device_to_device(system, first, last, result);
}
else
{
#if !__THRUST_HAS_CUDART__
ret = thrust::copy(cvt_to_seq(derived_cast(system)),
first,
last,
result);
#endif
}
return ret;
} // end copy()
__thrust_exec_check_disable__
template <class System,
class InputIterator,
class Size,
class OutputIterator>
OutputIterator __host__ __device__
copy_n(execution_policy<System> &system,
InputIterator first,
Size n,
OutputIterator result)
{
OutputIterator ret = result;
if (__THRUST_HAS_CUDART__)
{
ret = __copy::device_to_device(system, first, first + n, result);
}
else
{
#if !__THRUST_HAS_CUDART__
ret = thrust::copy_n(cvt_to_seq(derived_cast(system)), first, n, result);
#endif
}
return ret;
} // end copy_n()
#endif
template <class System1,
class System2,
class InputIterator,
class OutputIterator>
OutputIterator __host__
copy(cross_system<System1, System2> systems,
InputIterator first,
InputIterator last,
OutputIterator result)
{
return __copy::cross_system_copy(systems,first,last,result);
} // end copy()
template <class System1,
class System2,
class InputIterator,
class Size,
class OutputIterator>
OutputIterator __host__
copy_n(cross_system<System1, System2> systems,
InputIterator first,
Size n,
OutputIterator result)
{
return __copy::cross_system_copy_n(systems, first, n, result);
} // end copy_n()
} // namespace cuda_cub
THRUST_NAMESPACE_END
#include <thrust/memory.h>
#include <thrust/detail/temporary_array.h>
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