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70 lines
1.6 KiB
70 lines
1.6 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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/*! \file copy_if.h
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* \brief Sequential implementation of copy_if.
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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/function.h>
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namespace thrust
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{
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namespace system
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{
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namespace detail
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{
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namespace internal
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{
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namespace scalar
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{
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template<typename InputIterator1,
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typename InputIterator2,
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typename OutputIterator,
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typename Predicate>
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OutputIterator copy_if(InputIterator1 first,
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InputIterator1 last,
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InputIterator2 stencil,
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OutputIterator result,
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Predicate pred)
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{
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thrust::detail::host_function<Predicate,bool> wrapped_pred(pred);
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while(first != last)
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{
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if(wrapped_pred(*stencil))
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{
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*result = *first;
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++result;
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} // end if
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++first;
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++stencil;
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} // end while
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return result;
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} // end copy_if()
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} // end namespace scalar
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} // end namespace internal
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} // end namespace detail
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} // end namespace system
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} // end namespace thrust
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