/usr/include/thrust/detail/pair.inl 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.
*/
#include <thrust/pair.h>
#include <thrust/detail/swap.h>
namespace thrust
{
template <typename T1, typename T2>
pair<T1,T2>
::pair(void)
:first(),second()
{
;
} // end pair::pair()
template <typename T1, typename T2>
pair<T1,T2>
::pair(const T1 &x, const T2 &y)
:first(x),second(y)
{
;
} // end pair::pair()
template <typename T1, typename T2>
template <typename U1, typename U2>
pair<T1,T2>
::pair(const pair<U1,U2> &p)
:first(p.first),second(p.second)
{
;
} // end pair::pair()
template <typename T1, typename T2>
template <typename U1, typename U2>
pair<T1,T2>
::pair(const std::pair<U1,U2> &p)
:first(p.first),second(p.second)
{
;
} // end pair::pair()
template<typename T1, typename T2>
inline __host__ __device__
void pair<T1,T2>
::swap(thrust::pair<T1,T2> &p)
{
using thrust::swap;
swap(first, p.first);
swap(second, p.second);
} // end pair::swap()
template <typename T1, typename T2>
inline __host__ __device__
bool operator==(const pair<T1,T2> &x, const pair<T1,T2> &y)
{
return x.first == y.first && x.second == y.second;
} // end operator==()
template <typename T1, typename T2>
inline __host__ __device__
bool operator<(const pair<T1,T2> &x, const pair<T1,T2> &y)
{
return x.first < y.first || (!(y.first < x.first) && x.second < y.second);
} // end operator<()
template <typename T1, typename T2>
inline __host__ __device__
bool operator!=(const pair<T1,T2> &x, const pair<T1,T2> &y)
{
return !(x == y);
} // end operator==()
template <typename T1, typename T2>
inline __host__ __device__
bool operator>(const pair<T1,T2> &x, const pair<T1,T2> &y)
{
return y < x;
} // end operator<()
template <typename T1, typename T2>
inline __host__ __device__
bool operator<=(const pair<T1,T2> &x, const pair<T1,T2> &y)
{
return !(y < x);
} // end operator<=()
template <typename T1, typename T2>
inline __host__ __device__
bool operator>=(const pair<T1,T2> &x, const pair<T1,T2> &y)
{
return !(x < y);
} // end operator>=()
template <typename T1, typename T2>
inline __host__ __device__
void swap(pair<T1,T2> &x, pair<T1,T2> &y)
{
return x.swap(y);
} // end swap()
template <typename T1, typename T2>
inline __host__ __device__
pair<T1,T2> make_pair(T1 x, T2 y)
{
return pair<T1,T2>(x,y);
} // end make_pair()
// specializations of tuple_element for pair
template<typename T1, typename T2>
struct tuple_element<0, pair<T1,T2> >
{
typedef T1 type;
}; // end tuple_element
template<typename T1, typename T2>
struct tuple_element<1, pair<T1,T2> >
{
typedef T2 type;
}; // end tuple_element
// specialization of tuple_size for pair
template<typename T1, typename T2>
struct tuple_size< pair<T1,T2 > >
{
static const unsigned int value = 2;
}; // end tuple_size
namespace detail
{
template<int N, typename Pair> struct pair_get {};
template<typename Pair>
struct pair_get<0, Pair>
{
inline __host__ __device__
const typename tuple_element<0, Pair>::type &
operator()(const Pair &p) const
{
return p.first;
} // end operator()()
inline __host__ __device__
typename tuple_element<0, Pair>::type &
operator()(Pair &p) const
{
return p.first;
} // end operator()()
}; // end pair_get
template<typename Pair>
struct pair_get<1, Pair>
{
inline __host__ __device__
const typename tuple_element<1, Pair>::type &
operator()(const Pair &p) const
{
return p.second;
} // end operator()()
inline __host__ __device__
typename tuple_element<1, Pair>::type &
operator()(Pair &p) const
{
return p.second;
} // end operator()()
}; // end pair_get
} // end detail
template<unsigned int N, typename T1, typename T2>
inline __host__ __device__
typename tuple_element<N, pair<T1,T2> >::type &
get(pair<T1,T2> &p)
{
return detail::pair_get<N, pair<T1,T2> >()(p);
} // end get()
template<unsigned int N, typename T1, typename T2>
inline __host__ __device__
const typename tuple_element<N, pair<T1,T2> >::type &
get(const pair<T1,T2> &p)
{
return detail::pair_get<N, pair<T1,T2> >()(p);
} // end get()
} // end thrust
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