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193 lines
5.7 KiB
193 lines
5.7 KiB
11 years ago
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/*
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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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// Portions of this code are derived from
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//
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// Manjunath Kudlur's Carbon library
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//
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// and
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//
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// Based on Boost.Phoenix v1.2
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// Copyright (c) 2001-2002 Joel de Guzman
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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/detail/functional/value.h>
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#include <thrust/detail/functional/composite.h>
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#include <thrust/detail/functional/operators/assignment_operator.h>
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#include <thrust/detail/type_traits/result_of.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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namespace functional
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{
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template<typename Action, typename Env>
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struct apply_actor
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{
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typedef typename Action::template result<Env>::type type;
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};
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template<typename Eval>
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struct actor
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: Eval
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{
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typedef Eval eval_type;
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__host__ __device__
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actor(void);
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__host__ __device__
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actor(const Eval &base);
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__host__ __device__
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typename apply_actor<eval_type, thrust::null_type >::type
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operator()(void) const;
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template<typename T0>
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__host__ __device__
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typename apply_actor<eval_type, thrust::tuple<T0&> >::type
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operator()(T0 &_0) const;
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template<typename T0, typename T1>
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__host__ __device__
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typename apply_actor<eval_type, thrust::tuple<T0&,T1&> >::type
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operator()(T0 &_0, T1 &_1) const;
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template<typename T0, typename T1, typename T2>
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__host__ __device__
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typename apply_actor<eval_type, thrust::tuple<T0&,T1&,T2&> >::type
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operator()(T0 &_0, T1 &_1, T2 &_2) const;
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template<typename T0, typename T1, typename T2, typename T3>
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__host__ __device__
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typename apply_actor<eval_type, thrust::tuple<T0&,T1&,T2&,T3&> >::type
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operator()(T0 &_0, T1 &_1, T2 &_2, T3 &_3) const;
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template<typename T0, typename T1, typename T2, typename T3, typename T4>
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__host__ __device__
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typename apply_actor<eval_type, thrust::tuple<T0&,T1&,T2&,T3&,T4&> >::type
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operator()(T0 &_0, T1 &_1, T2 &_2, T3 &_3, T4 &_4) const;
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template<typename T0, typename T1, typename T2, typename T3, typename T4, typename T5>
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__host__ __device__
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typename apply_actor<eval_type, thrust::tuple<T0&,T1&,T2&,T3&,T4&,T5&> >::type
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operator()(T0 &_0, T1 &_1, T2 &_2, T3 &_3, T4 &_4, T5 &_5) const;
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template<typename T0, typename T1, typename T2, typename T3, typename T4, typename T5, typename T6>
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__host__ __device__
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typename apply_actor<eval_type, thrust::tuple<T0&,T1&,T2&,T3&,T4&,T5&,T6&> >::type
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operator()(T0 &_0, T1 &_1, T2 &_2, T3 &_3, T4 &_4, T5 &_5, T6 &_6) const;
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template<typename T0, typename T1, typename T2, typename T3, typename T4, typename T5, typename T6, typename T7>
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__host__ __device__
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typename apply_actor<eval_type, thrust::tuple<T0&,T1&,T2&,T3&,T4&,T5&,T6&,T7&> >::type
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operator()(T0 &_0, T1 &_1, T2 &_2, T3 &_3, T4 &_4, T5 &_5, T6 &_6, T7 &_7) const;
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template<typename T0, typename T1, typename T2, typename T3, typename T4, typename T5, typename T6, typename T7, typename T8>
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__host__ __device__
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typename apply_actor<eval_type, thrust::tuple<T0&,T1&,T2&,T3&,T4&,T5&,T6&,T7&,T8&> >::type
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operator()(T0 &_0, T1 &_1, T2 &_2, T3 &_3, T4 &_4, T5 &_5, T6 &_6, T7 &_7, T8 &_8) const;
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template<typename T0, typename T1, typename T2, typename T3, typename T4, typename T5, typename T6, typename T7, typename T8, typename T9>
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__host__ __device__
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typename apply_actor<eval_type, thrust::tuple<T0&,T1&,T2&,T3&,T4&,T5&,T6&,T7&,T8&,T9&> >::type
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operator()(T0 &_0, T1 &_1, T2 &_2, T3 &_3, T4 &_4, T5 &_5, T6 &_6, T7 &_7, T8 &_8, T9 &_9) const;
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template<typename T>
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__host__ __device__
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typename assign_result<Eval,T>::type
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operator=(const T &_1) const;
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}; // end actor
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// in general, as_actor should turn things into values
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template<typename T>
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struct as_actor
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{
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typedef value<T> type;
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static inline __host__ __device__ type convert(const T &x)
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{
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return val(x);
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} // end convert()
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}; // end as_actor
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// specialization for things which are already actors
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template<typename Eval>
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struct as_actor<actor<Eval> >
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{
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typedef actor<Eval> type;
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static inline __host__ __device__ const type &convert(const actor<Eval> &x)
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{
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return x;
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} // end convert()
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}; // end as_actor
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template<typename T>
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typename as_actor<T>::type
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__host__ __device__
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make_actor(const T &x)
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{
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return as_actor<T>::convert(x);
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} // end make_actor()
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} // end functional
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// provide specializations for result_of for nullary, unary, and binary invocations of actor
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template<typename Eval>
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struct result_of<
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thrust::detail::functional::actor<Eval>()
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>
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{
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typedef typename thrust::detail::functional::apply_actor<
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thrust::detail::functional::actor<Eval>,
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thrust::null_type
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>::type type;
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}; // end result_of
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template<typename Eval, typename Arg1>
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struct result_of<
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thrust::detail::functional::actor<Eval>(Arg1)
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>
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{
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typedef typename thrust::detail::functional::apply_actor<
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thrust::detail::functional::actor<Eval>,
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thrust::tuple<Arg1>
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>::type type;
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}; // end result_of
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template<typename Eval, typename Arg1, typename Arg2>
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struct result_of<
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thrust::detail::functional::actor<Eval>(Arg1,Arg2)
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>
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{
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typedef typename thrust::detail::functional::apply_actor<
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thrust::detail::functional::actor<Eval>,
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thrust::tuple<Arg1,Arg2>
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>::type type;
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}; // end result_of
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} // end detail
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} // end thrust
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#include <thrust/detail/functional/actor.inl>
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