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73 lines
1.9 KiB
73 lines
1.9 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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#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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#include <thrust/detail/functional/composite.h>
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#include <thrust/detail/functional/operators/operator_adaptors.h>
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#include <thrust/functional.h>
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namespace thrust
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{
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// XXX WAR circular inclusion with this forward declaration
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template<typename,typename,typename> struct binary_function;
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namespace detail
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{
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namespace functional
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{
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// XXX WAR circular inclusion with this forward declaration
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template<typename> struct as_actor;
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// there's no standard assign functional, so roll an ad hoc one here
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template<typename T>
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struct assign
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: thrust::binary_function<T&,T,T&>
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{
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__host__ __device__ T& operator()(T &lhs, const T &rhs) const { return lhs = rhs; }
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}; // end assign
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template<typename Eval, typename T>
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struct assign_result
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{
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typedef actor<
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composite<
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binary_operator<assign>,
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actor<Eval>,
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typename as_actor<T>::type
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>
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> type;
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}; // end assign_result
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template<typename Eval, typename T>
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__host__ __device__
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typename assign_result<Eval,T>::type
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do_assign(const actor<Eval> &_1, const T &_2)
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{
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return compose(binary_operator<assign>(),
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_1,
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as_actor<T>::convert(_2));
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} // end do_assign()
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} // end functional
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} // end detail
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} // end thrust
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