/usr/include/viennacl/traits/context.hpp is in libviennacl-dev 1.7.1+dfsg1-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 | #ifndef VIENNACL_TRAITS_CONTEXT_HPP_
#define VIENNACL_TRAITS_CONTEXT_HPP_
/* =========================================================================
Copyright (c) 2010-2016, Institute for Microelectronics,
Institute for Analysis and Scientific Computing,
TU Wien.
Portions of this software are copyright by UChicago Argonne, LLC.
-----------------
ViennaCL - The Vienna Computing Library
-----------------
Project Head: Karl Rupp rupp@iue.tuwien.ac.at
(A list of authors and contributors can be found in the manual)
License: MIT (X11), see file LICENSE in the base directory
============================================================================= */
/** @file viennacl/traits/context.hpp
@brief Extracts the underlying context from objects
*/
#include <string>
#include <fstream>
#include <sstream>
#include "viennacl/forwards.h"
#include "viennacl/context.hpp"
#include "viennacl/traits/handle.hpp"
namespace viennacl
{
namespace traits
{
// Context
/** @brief Returns an ID for the currently active memory domain of an object */
template<typename T>
viennacl::context context(T const & t)
{
#ifdef VIENNACL_WITH_OPENCL
if (traits::active_handle_id(t) == OPENCL_MEMORY)
return viennacl::context(traits::opencl_handle(t).context());
#endif
return viennacl::context(traits::active_handle_id(t));
}
/** @brief Returns an ID for the currently active memory domain of an object */
inline viennacl::context context(viennacl::backend::mem_handle const & h)
{
#ifdef VIENNACL_WITH_OPENCL
if (h.get_active_handle_id() == OPENCL_MEMORY)
return viennacl::context(h.opencl_handle().context());
#endif
return viennacl::context(h.get_active_handle_id());
}
} //namespace traits
} //namespace viennacl
#endif
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