/usr/include/thrust/device_free.h 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_free.h
* \brief Deallocates storage allocated by \p device_malloc
*/
#pragma once
#include <thrust/detail/config.h>
#include <thrust/device_ptr.h>
namespace thrust
{
/*! \addtogroup deallocation_functions Deallocation Functions
* \ingroup memory_management_functions
* \{
*/
/*! \p device_free deallocates memory allocated by the function \p device_malloc.
*
* \param ptr A \p device_ptr pointing to memory to be deallocated.
*
* The following code snippet demonstrates how to use \p device_free to
* deallocate memory allocated by \p device_malloc.
*
* \code
* #include <thrust/device_malloc.h>
* #include <thrust/device_free.h>
* ...
* // allocate some integers with device_malloc
* const int N = 100;
* thrust::device_ptr<int> int_array = thrust::device_malloc<int>(N);
*
* // manipulate integers
* ...
*
* // deallocate with device_free
* thrust::device_free(int_array);
* \endcode
*
* \see device_ptr
* \see device_malloc
*/
inline void device_free(thrust::device_ptr<void> ptr);
/*! \}
*/
} // end thrust
#include <thrust/detail/device_free.inl>
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