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74 lines
2.4 KiB
74 lines
2.4 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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namespace thrust |
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{ |
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namespace system |
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{ |
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namespace cuda |
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{ |
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namespace detail |
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{ |
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namespace block |
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{ |
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template<typename Context, |
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typename RandomAccessIterator1, |
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typename RandomAccessIterator2, |
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typename RandomAccessIterator3, |
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typename StrictWeakOrdering> |
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__device__ __thrust_forceinline__ |
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RandomAccessIterator3 merge(Context context, |
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RandomAccessIterator1 first1, |
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RandomAccessIterator1 last1, |
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RandomAccessIterator2 first2, |
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RandomAccessIterator2 last2, |
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RandomAccessIterator3 result, |
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StrictWeakOrdering comp); |
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// XXX assumes that context.block_dimension() <= n1 and |
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// context.block_dimension() <= n2 |
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// This algorithm is analogous to inplace_merge |
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// but instead of working on the ranges |
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// [first, middle) and [middle, last) |
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// it works on the ranges |
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// [first, first + n1) and [first + n1, first + n1 + n2) |
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template<typename Context, |
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typename RandomAccessIterator1, |
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typename RandomAccessIterator2, |
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typename Size1, |
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typename Size2, |
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typename StrictWeakOrdering> |
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__device__ __thrust_forceinline__ |
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void inplace_merge_by_key_n(Context context, |
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RandomAccessIterator1 keys_first, |
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RandomAccessIterator2 values_first, |
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Size1 n1, |
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Size2 n2, |
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StrictWeakOrdering comp); |
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} // end namespace block |
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} // end namespace detail |
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} // end namespace cuda |
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} // end namespace system |
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} // end namespace thrust |
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#include <thrust/system/cuda/detail/block/merge.inl> |
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