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66 lines
1.5 KiB
66 lines
1.5 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/raw_pointer_cast.h>
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#include <thrust/swap.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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template<typename Pointer1, typename Pointer2>
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inline __host__ __device__
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void iter_swap(tag, Pointer1 a, Pointer2 b)
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{
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// XXX war nvbugs/881631
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struct war_nvbugs_881631
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{
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__host__ inline static void host_path(Pointer1 a, Pointer2 b)
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{
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thrust::swap_ranges(a, a + 1, b);
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}
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__device__ inline static void device_path(Pointer1 a, Pointer2 b)
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{
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using thrust::swap;
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swap(*thrust::raw_pointer_cast(a),
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*thrust::raw_pointer_cast(b));
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}
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};
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#ifndef __CUDA_ARCH__
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return war_nvbugs_881631::host_path(a,b);
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#else
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return war_nvbugs_881631::device_path(a,b);
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#endif // __CUDA_ARCH__
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} // end iter_swap()
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} // end detail
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} // end cuda
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} // end system
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} // end thrust
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