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81 lines
1.5 KiB
81 lines
1.5 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/detail/functional/actor.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 Eval> struct actor;
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template<typename T>
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class value
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{
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public:
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template<typename Env>
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struct result
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{
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typedef T type;
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};
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__host__ __device__
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value(const T &arg)
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: m_val(arg)
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{}
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template<typename Env>
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__host__ __device__
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T eval(const Env &) const
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{
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return m_val;
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}
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private:
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T m_val;
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}; // end value
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template<typename T>
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__host__ __device__
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actor<value<T> > val(const T &x)
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{
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return value<T>(x);
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} // end val()
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} // end functional
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} // end detail
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} // end thrust
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