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144 lines
4.7 KiB
144 lines
4.7 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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/*! \file remove.inl |
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* \brief Inline file for remove.h |
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*/ |
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#include <thrust/detail/config.h> |
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#include <thrust/system/detail/generic/remove.h> |
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#include <thrust/iterator/iterator_traits.h> |
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#include <thrust/detail/copy_if.h> |
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#include <thrust/detail/internal_functional.h> |
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#include <thrust/detail/temporary_array.h> |
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#include <thrust/remove.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 generic |
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{ |
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template<typename DerivedPolicy, |
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typename ForwardIterator, |
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typename T> |
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ForwardIterator remove(thrust::execution_policy<DerivedPolicy> &exec, |
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ForwardIterator first, |
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ForwardIterator last, |
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const T &value) |
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{ |
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thrust::detail::equal_to_value<T> pred(value); |
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// XXX consider using a placeholder here |
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return thrust::remove_if(exec, first, last, pred); |
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} // end remove() |
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template<typename DerivedPolicy, |
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typename InputIterator, |
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typename OutputIterator, |
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typename T> |
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OutputIterator remove_copy(thrust::execution_policy<DerivedPolicy> &exec, |
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InputIterator first, |
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InputIterator last, |
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OutputIterator result, |
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const T &value) |
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{ |
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thrust::detail::equal_to_value<T> pred(value); |
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// XXX consider using a placeholder here |
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return thrust::remove_copy_if(exec, first, last, result, pred); |
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} // end remove_copy() |
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template<typename DerivedPolicy, |
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typename ForwardIterator, |
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typename Predicate> |
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ForwardIterator remove_if(thrust::execution_policy<DerivedPolicy> &exec, |
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ForwardIterator first, |
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ForwardIterator last, |
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Predicate pred) |
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{ |
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typedef typename thrust::iterator_traits<ForwardIterator>::value_type InputType; |
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// create temporary storage for an intermediate result |
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thrust::detail::temporary_array<InputType,DerivedPolicy> temp(exec, first, last); |
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// remove into temp |
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return thrust::remove_copy_if(exec, temp.begin(), temp.end(), temp.begin(), first, pred); |
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} // end remove_if() |
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template<typename DerivedPolicy, |
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typename ForwardIterator, |
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typename InputIterator, |
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typename Predicate> |
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ForwardIterator remove_if(thrust::execution_policy<DerivedPolicy> &exec, |
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ForwardIterator first, |
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ForwardIterator last, |
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InputIterator stencil, |
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Predicate pred) |
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{ |
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typedef typename thrust::iterator_traits<ForwardIterator>::value_type InputType; |
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// create temporary storage for an intermediate result |
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thrust::detail::temporary_array<InputType,DerivedPolicy> temp(exec, first, last); |
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// remove into temp |
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return thrust::remove_copy_if(exec, temp.begin(), temp.end(), stencil, first, pred); |
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} // end remove_if() |
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template<typename DerivedPolicy, |
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typename InputIterator, |
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typename OutputIterator, |
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typename Predicate> |
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OutputIterator remove_copy_if(thrust::execution_policy<DerivedPolicy> &exec, |
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InputIterator first, |
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InputIterator last, |
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OutputIterator result, |
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Predicate pred) |
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{ |
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return thrust::remove_copy_if(exec, first, last, first, result, pred); |
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} // end remove_copy_if() |
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template<typename DerivedPolicy, |
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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 remove_copy_if(thrust::execution_policy<DerivedPolicy> &exec, |
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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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return thrust::copy_if(exec, first, last, stencil, result, thrust::detail::not1(pred)); |
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} // end remove_copy_if() |
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} // end namespace generic |
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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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