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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>
#if defined(_CCCL_IMPLICIT_SYSTEM_HEADER_GCC)
# pragma GCC system_header
#elif defined(_CCCL_IMPLICIT_SYSTEM_HEADER_CLANG)
# pragma clang system_header
#elif defined(_CCCL_IMPLICIT_SYSTEM_HEADER_MSVC)
# pragma system_header
#endif // no system header
#include <thrust/device_ptr.h>
#include <thrust/device_reference.h>
#include <thrust/detail/type_traits.h>
#include <thrust/iterator/iterator_traits.h>
THRUST_NAMESPACE_BEGIN
template<typename T>
__host__ __device__
device_ptr<T> device_pointer_cast(T *ptr)
{
return device_ptr<T>(ptr);
} // end device_pointer_cast()
template<typename T>
__host__ __device__
device_ptr<T> device_pointer_cast(const device_ptr<T> &ptr)
{
return ptr;
} // end device_pointer_cast()
namespace detail
{
template<typename T>
struct is_device_ptr< thrust::device_ptr<T> >
: public true_type
{
}; // end is_device_ptr
#if (THRUST_HOST_COMPILER == THRUST_HOST_COMPILER_MSVC) && (_MSC_VER <= 1400)
// XXX WAR MSVC 2005 problem with correctly implementing
// pointer_raw_pointer for device_ptr by specializing it here
template<typename T>
struct pointer_raw_pointer< thrust::device_ptr<T> >
{
typedef typename device_ptr<T>::raw_pointer type;
}; // end pointer_raw_pointer
#endif
} // end namespace detail
THRUST_NAMESPACE_END
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