/usr/include/thrust/detail/function.h is in libthrust-dev 1.8.1-1.
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 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 | /*
* 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>
#include <thrust/detail/raw_reference_cast.h>
namespace thrust
{
namespace detail
{
template<typename Function, typename Result>
struct wrapped_function
{
// mutable because Function::operator() might be const
mutable Function m_f;
inline __host__ __device__
wrapped_function()
: m_f()
{}
inline __host__ __device__
wrapped_function(const Function &f)
: m_f(f)
{}
__thrust_hd_warning_disable__
template<typename Argument>
inline __host__ __device__
Result operator()(Argument &x) const
{
// we static cast to Result to handle void Result without error
// in case Function's result is non-void
return static_cast<Result>(m_f(thrust::raw_reference_cast(x)));
}
__thrust_hd_warning_disable__
template<typename Argument>
inline __host__ __device__ Result operator()(const Argument &x) const
{
// we static cast to Result to handle void Result without error
// in case Function's result is non-void
return static_cast<Result>(m_f(thrust::raw_reference_cast(x)));
}
__thrust_hd_warning_disable__
template<typename Argument1, typename Argument2>
inline __host__ __device__ Result operator()(Argument1 &x, Argument2 &y) const
{
// we static cast to Result to handle void Result without error
// in case Function's result is non-void
return static_cast<Result>(m_f(thrust::raw_reference_cast(x), thrust::raw_reference_cast(y)));
}
__thrust_hd_warning_disable__
template<typename Argument1, typename Argument2>
inline __host__ __device__ Result operator()(const Argument1 &x, Argument2 &y) const
{
// we static cast to Result to handle void Result without error
// in case Function's result is non-void
return static_cast<Result>(m_f(thrust::raw_reference_cast(x), thrust::raw_reference_cast(y)));
}
__thrust_hd_warning_disable__
template<typename Argument1, typename Argument2>
inline __host__ __device__ Result operator()(const Argument1 &x, const Argument2 &y) const
{
// we static cast to Result to handle void Result without error
// in case Function's result is non-void
return static_cast<Result>(m_f(thrust::raw_reference_cast(x), thrust::raw_reference_cast(y)));
}
__thrust_hd_warning_disable__
template<typename Argument1, typename Argument2>
inline __host__ __device__ Result operator()(Argument1 &x, const Argument2 &y) const
{
// we static cast to Result to handle void Result without error
// in case Function's result is non-void
return static_cast<Result>(m_f(thrust::raw_reference_cast(x), thrust::raw_reference_cast(y)));
}
}; // end wrapped_function
} // end detail
} // end thrust
|