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246 lines
11 KiB
246 lines
11 KiB
/* |
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* Copyright 2008-2012 NVIDIA Corporation |
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* |
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* Licensed under the Apache License, Version 2.0 (the "License"); |
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* you may not use this file except in compliance with the License. |
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* You may obtain a copy of the License at |
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* |
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* http://www.apache.org/licenses/LICENSE-2.0 |
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* |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, |
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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* See the License for the specific language governing permissions and |
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* limitations under the License. |
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*/ |
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#pragma once |
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#include <thrust/detail/config.h> |
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#include <thrust/tuple.h> |
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#include <thrust/pair.h> |
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#include <thrust/detail/reference_forward_declaration.h> |
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namespace thrust |
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{ |
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namespace detail |
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{ |
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template< |
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typename T0, typename T1, typename T2, |
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typename T3, typename T4, typename T5, |
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typename T6, typename T7, typename T8, |
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typename T9 |
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> |
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class tuple_of_iterator_references |
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: public thrust::tuple<T0,T1,T2,T3,T4,T5,T6,T7,T8,T9> |
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{ |
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private: |
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typedef thrust::tuple<T0,T1,T2,T3,T4,T5,T6,T7,T8,T9> super_t; |
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public: |
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// allow implicit construction from tuple<refs> |
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inline __host__ __device__ |
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tuple_of_iterator_references(const super_t &other) |
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: super_t(other) |
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{} |
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// allow assignment from tuples |
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// XXX might be worthwhile to guard this with an enable_if is_assignable |
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template<typename U1, typename U2> |
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inline __host__ __device__ |
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tuple_of_iterator_references &operator=(const detail::cons<U1,U2> &other) |
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{ |
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super_t::operator=(other); |
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return *this; |
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} |
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// allow assignment from pairs |
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// XXX might be worthwhile to guard this with an enable_if is_assignable |
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template<typename U1, typename U2> |
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inline __host__ __device__ |
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tuple_of_iterator_references &operator=(const thrust::pair<U1,U2> &other) |
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{ |
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super_t::operator=(other); |
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return *this; |
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} |
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// allow assignment from reference<tuple> |
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// XXX perhaps we should generalize to reference<T> |
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// we could captures reference<pair> this way |
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template<typename U0, typename U1, typename U2, |
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typename U3, typename U4, typename U5, |
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typename U6, typename U7, typename U8, |
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typename U9, |
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typename Pointer, typename Derived> |
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inline __host__ __device__ |
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// XXX gcc-4.2 crashes on is_assignable |
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// typename thrust::detail::enable_if< |
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// thrust::detail::is_assignable< |
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// super_t, |
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// const thrust::tuple<U0,U1,U2,U3,U4,U5,U6,U7,U8,U9> |
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// >::value, |
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// tuple_of_iterator_references & |
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// >::type |
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tuple_of_iterator_references & |
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operator=(const thrust::reference<thrust::tuple<U0,U1,U2,U3,U4,U5,U6,U7,U8,U9>, Pointer, Derived> &other) |
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{ |
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typedef thrust::tuple<U0,U1,U2,U3,U4,U5,U6,U7,U8,U9> tuple_type; |
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// XXX perhaps this could be accelerated |
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tuple_type other_tuple = other; |
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super_t::operator=(other_tuple); |
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return *this; |
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} |
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// duplicate thrust::tuple's constructors |
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inline __host__ __device__ |
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tuple_of_iterator_references() {} |
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inline __host__ __device__ |
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tuple_of_iterator_references(typename access_traits<T0>::parameter_type t0) |
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: super_t(t0, |
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static_cast<const null_type&>(null_type()), |
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static_cast<const null_type&>(null_type()), |
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static_cast<const null_type&>(null_type()), |
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static_cast<const null_type&>(null_type()), |
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static_cast<const null_type&>(null_type()), |
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static_cast<const null_type&>(null_type()), |
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static_cast<const null_type&>(null_type()), |
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static_cast<const null_type&>(null_type()), |
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static_cast<const null_type&>(null_type())) |
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{} |
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inline __host__ __device__ |
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tuple_of_iterator_references(typename access_traits<T0>::parameter_type t0, |
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typename access_traits<T1>::parameter_type t1) |
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: super_t(t0, t1, |
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static_cast<const null_type&>(null_type()), |
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static_cast<const null_type&>(null_type()), |
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static_cast<const null_type&>(null_type()), |
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static_cast<const null_type&>(null_type()), |
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static_cast<const null_type&>(null_type()), |
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static_cast<const null_type&>(null_type()), |
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static_cast<const null_type&>(null_type()), |
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static_cast<const null_type&>(null_type())) |
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{} |
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inline __host__ __device__ |
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tuple_of_iterator_references(typename access_traits<T0>::parameter_type t0, |
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typename access_traits<T1>::parameter_type t1, |
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typename access_traits<T2>::parameter_type t2) |
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: super_t(t0, t1, t2, |
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static_cast<const null_type&>(null_type()), |
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static_cast<const null_type&>(null_type()), |
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static_cast<const null_type&>(null_type()), |
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static_cast<const null_type&>(null_type()), |
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static_cast<const null_type&>(null_type()), |
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static_cast<const null_type&>(null_type()), |
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static_cast<const null_type&>(null_type())) |
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{} |
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inline __host__ __device__ |
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tuple_of_iterator_references(typename access_traits<T0>::parameter_type t0, |
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typename access_traits<T1>::parameter_type t1, |
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typename access_traits<T2>::parameter_type t2, |
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typename access_traits<T3>::parameter_type t3) |
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: super_t(t0, t1, t2, t3, |
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static_cast<const null_type&>(null_type()), |
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static_cast<const null_type&>(null_type()), |
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static_cast<const null_type&>(null_type()), |
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static_cast<const null_type&>(null_type()), |
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static_cast<const null_type&>(null_type()), |
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static_cast<const null_type&>(null_type())) |
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{} |
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inline __host__ __device__ |
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tuple_of_iterator_references(typename access_traits<T0>::parameter_type t0, |
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typename access_traits<T1>::parameter_type t1, |
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typename access_traits<T2>::parameter_type t2, |
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typename access_traits<T3>::parameter_type t3, |
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typename access_traits<T4>::parameter_type t4) |
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: super_t(t0, t1, t2, t3, t4, |
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static_cast<const null_type&>(null_type()), |
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static_cast<const null_type&>(null_type()), |
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static_cast<const null_type&>(null_type()), |
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static_cast<const null_type&>(null_type()), |
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static_cast<const null_type&>(null_type())) |
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{} |
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inline __host__ __device__ |
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tuple_of_iterator_references(typename access_traits<T0>::parameter_type t0, |
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typename access_traits<T1>::parameter_type t1, |
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typename access_traits<T2>::parameter_type t2, |
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typename access_traits<T3>::parameter_type t3, |
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typename access_traits<T4>::parameter_type t4, |
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typename access_traits<T5>::parameter_type t5) |
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: super_t(t0, t1, t2, t3, t4, t5, |
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static_cast<const null_type&>(null_type()), |
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static_cast<const null_type&>(null_type()), |
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static_cast<const null_type&>(null_type()), |
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static_cast<const null_type&>(null_type())) |
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{} |
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inline __host__ __device__ |
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tuple_of_iterator_references(typename access_traits<T0>::parameter_type t0, |
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typename access_traits<T1>::parameter_type t1, |
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typename access_traits<T2>::parameter_type t2, |
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typename access_traits<T3>::parameter_type t3, |
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typename access_traits<T4>::parameter_type t4, |
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typename access_traits<T5>::parameter_type t5, |
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typename access_traits<T6>::parameter_type t6) |
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: super_t(t0, t1, t2, t3, t4, t5, t6, |
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static_cast<const null_type&>(null_type()), |
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static_cast<const null_type&>(null_type()), |
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static_cast<const null_type&>(null_type())) |
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{} |
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inline __host__ __device__ |
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tuple_of_iterator_references(typename access_traits<T0>::parameter_type t0, |
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typename access_traits<T1>::parameter_type t1, |
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typename access_traits<T2>::parameter_type t2, |
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typename access_traits<T3>::parameter_type t3, |
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typename access_traits<T4>::parameter_type t4, |
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typename access_traits<T5>::parameter_type t5, |
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typename access_traits<T6>::parameter_type t6, |
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typename access_traits<T7>::parameter_type t7) |
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: super_t(t0, t1, t2, t3, t4, t5, t6, t7, |
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static_cast<const null_type&>(null_type()), |
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static_cast<const null_type&>(null_type())) |
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{} |
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inline __host__ __device__ |
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tuple_of_iterator_references(typename access_traits<T0>::parameter_type t0, |
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typename access_traits<T1>::parameter_type t1, |
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typename access_traits<T2>::parameter_type t2, |
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typename access_traits<T3>::parameter_type t3, |
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typename access_traits<T4>::parameter_type t4, |
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typename access_traits<T5>::parameter_type t5, |
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typename access_traits<T6>::parameter_type t6, |
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typename access_traits<T7>::parameter_type t7, |
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typename access_traits<T8>::parameter_type t8) |
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: super_t(t0, t1, t2, t3, t4, t5, t6, t7, t8, |
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static_cast<const null_type&>(null_type())) |
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{} |
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inline __host__ __device__ |
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tuple_of_iterator_references(typename access_traits<T0>::parameter_type t0, |
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typename access_traits<T1>::parameter_type t1, |
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typename access_traits<T2>::parameter_type t2, |
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typename access_traits<T3>::parameter_type t3, |
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typename access_traits<T4>::parameter_type t4, |
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typename access_traits<T5>::parameter_type t5, |
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typename access_traits<T6>::parameter_type t6, |
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typename access_traits<T7>::parameter_type t7, |
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typename access_traits<T8>::parameter_type t8, |
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typename access_traits<T9>::parameter_type t9) |
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: super_t(t0, t1, t2, t3, t4, t5, t6, t7, t8, t9) |
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{} |
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}; |
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} // end detail |
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} // end thrust |
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