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72 lines
1.9 KiB
72 lines
1.9 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/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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