/usr/include/thrust/detail/reference.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.
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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 | /*
* 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.
*/
#pragma once
#include <thrust/detail/config.h>
#include <thrust/iterator/iterator_traits.h>
#include <thrust/detail/type_traits.h>
#include <thrust/detail/use_default.h>
#include <thrust/detail/reference_forward_declaration.h>
namespace thrust
{
namespace detail
{
template<typename> struct is_wrapped_reference;
}
// the base type for all of thrust's system-annotated references.
// for reasonable reference-like semantics, derived types must reimplement the following:
// 1. constructor from pointer
// 2. copy constructor
// 3. templated copy constructor from other reference
// 4. templated assignment from other reference
// 5. assignment from value_type
template<typename Element, typename Pointer, typename Derived>
class reference
{
private:
typedef typename thrust::detail::eval_if<
thrust::detail::is_same<Derived,use_default>::value,
thrust::detail::identity_<reference>,
thrust::detail::identity_<Derived>
>::type derived_type;
// hint for is_wrapped_reference lets it know that this type (or a derived type)
// is a wrapped reference
struct wrapped_reference_hint {};
template<typename> friend struct thrust::detail::is_wrapped_reference;
public:
typedef Pointer pointer;
typedef typename thrust::detail::remove_const<Element>::type value_type;
__host__ __device__
explicit reference(const pointer &ptr);
template<typename OtherElement, typename OtherPointer, typename OtherDerived>
__host__ __device__
reference(const reference<OtherElement,OtherPointer,OtherDerived> &other,
typename thrust::detail::enable_if_convertible<
typename reference<OtherElement,OtherPointer,OtherDerived>::pointer,
pointer
>::type * = 0);
__host__ __device__
derived_type &operator=(const reference &other);
// XXX this may need an enable_if
template<typename OtherElement, typename OtherPointer, typename OtherDerived>
__host__ __device__
derived_type &operator=(const reference<OtherElement,OtherPointer,OtherDerived> &other);
__host__ __device__
derived_type &operator=(const value_type &x);
__host__ __device__
pointer operator&() const;
__host__ __device__
operator value_type () const;
__host__ __device__
void swap(derived_type &other);
derived_type &operator++();
value_type operator++(int);
// XXX parameterize the type of rhs
derived_type &operator+=(const value_type &rhs);
derived_type &operator--();
value_type operator--(int);
// XXX parameterize the type of rhs
derived_type &operator-=(const value_type &rhs);
// XXX parameterize the type of rhs
derived_type &operator*=(const value_type &rhs);
// XXX parameterize the type of rhs
derived_type &operator/=(const value_type &rhs);
// XXX parameterize the type of rhs
derived_type &operator%=(const value_type &rhs);
// XXX parameterize the type of rhs
derived_type &operator<<=(const value_type &rhs);
// XXX parameterize the type of rhs
derived_type &operator>>=(const value_type &rhs);
// XXX parameterize the type of rhs
derived_type &operator&=(const value_type &rhs);
// XXX parameterize the type of rhs
derived_type &operator|=(const value_type &rhs);
// XXX parameterize the type of rhs
derived_type &operator^=(const value_type &rhs);
private:
const pointer m_ptr;
// allow access to m_ptr for other references
template <typename OtherElement, typename OtherPointer, typename OtherDerived> friend class reference;
template<typename OtherPointer>
__host__ __device__
inline void assign_from(OtherPointer src);
}; // end reference
} // end thrust
#include <thrust/detail/reference.inl>
|