/usr/include/thrust/detail/device_ptr.inl is in libthrust-dev 1.6.0-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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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.
*/
/*! \file device_ptr.inl
* \brief Inline file for device_ptr.h.
*/
#include <thrust/device_ptr.h>
#include <thrust/device_reference.h>
#include <iostream>
#include <thrust/detail/type_traits.h>
#include <thrust/iterator/iterator_traits.h>
namespace thrust
{
template<typename T>
device_ptr<T> device_pointer_cast(T *ptr)
{
return device_ptr<T>(ptr);
} // end device_pointer_cast()
template<typename T>
device_ptr<T> device_pointer_cast(const device_ptr<T> &ptr)
{
return ptr;
} // end device_pointer_cast()
// output to ostream
template<class E, class T, class Y>
std::basic_ostream<E, T> &operator<<(std::basic_ostream<E, T> &os, const device_ptr<Y> &p)
{
return os << p.get();
} // end operator<<()
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
} // end namespace thrust
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