/usr/include/thrust/detail/execution_policy.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 | /*
* 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>
namespace thrust
{
namespace detail
{
// execution_policy_base serves as a guard against
// inifinite recursion in thrust entry points:
//
// template<typename DerivedPolicy>
// void foo(const thrust::detail::execution_policy_base<DerivedPolicy> &s)
// {
// using thrust::system::detail::generic::foo;
//
// foo(thrust::detail::derived_cast(thrust::detail::strip_const(s));
// }
//
// foo is not recursive when
// 1. DerivedPolicy is derived from thrust::execution_policy below
// 2. generic::foo takes thrust::execution_policy as a parameter
template<typename DerivedPolicy> struct execution_policy_base {};
template<typename DerivedPolicy>
__host__ __device__
inline execution_policy_base<DerivedPolicy> &strip_const(const execution_policy_base<DerivedPolicy> &x)
{
return const_cast<execution_policy_base<DerivedPolicy>&>(x);
}
template<typename DerivedPolicy>
__host__ __device__
inline DerivedPolicy &derived_cast(execution_policy_base<DerivedPolicy> &x)
{
return static_cast<DerivedPolicy&>(x);
}
template<typename DerivedPolicy>
__host__ __device__
inline const DerivedPolicy &derived_cast(const execution_policy_base<DerivedPolicy> &x)
{
return static_cast<const DerivedPolicy&>(x);
}
} // end detail
template<typename DerivedPolicy>
struct execution_policy
: thrust::detail::execution_policy_base<DerivedPolicy>
{};
} // end thrust
|