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125 lines
4.2 KiB
125 lines
4.2 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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#include <thrust/detail/config.h>
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#include <thrust/detail/copy.h>
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#include <thrust/system/detail/generic/select_system.h>
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#include <thrust/system/detail/generic/copy.h>
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#include <thrust/system/detail/adl/copy.h>
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namespace thrust
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{
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template<typename DerivedPolicy, typename InputIterator, typename OutputIterator>
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OutputIterator copy(const thrust::detail::execution_policy_base<DerivedPolicy> &exec,
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InputIterator first,
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InputIterator last,
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OutputIterator result)
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{
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using thrust::system::detail::generic::copy;
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return copy(thrust::detail::derived_cast(thrust::detail::strip_const(exec)), first, last, result);
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} // end copy()
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template<typename DerivedPolicy, typename InputIterator, typename Size, typename OutputIterator>
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OutputIterator copy_n(const thrust::detail::execution_policy_base<DerivedPolicy> &exec,
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InputIterator first,
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Size n,
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OutputIterator result)
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{
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using thrust::system::detail::generic::copy_n;
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return copy_n(thrust::detail::derived_cast(thrust::detail::strip_const(exec)), first, n, result);
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} // end copy_n()
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namespace detail
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{
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template<typename System1,
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typename System2,
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typename InputIterator,
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typename OutputIterator>
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OutputIterator two_system_copy(thrust::execution_policy<System1> &system1,
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thrust::execution_policy<System2> &system2,
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InputIterator first,
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InputIterator last,
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OutputIterator result)
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{
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using thrust::system::detail::generic::select_system;
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return thrust::copy(select_system(thrust::detail::derived_cast(thrust::detail::strip_const(system1)), thrust::detail::derived_cast(thrust::detail::strip_const(system2))), first, last, result);
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} // end two_system_copy()
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template<typename System1,
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typename System2,
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typename InputIterator,
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typename Size,
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typename OutputIterator>
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OutputIterator two_system_copy_n(thrust::execution_policy<System1> &system1,
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thrust::execution_policy<System2> &system2,
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InputIterator first,
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Size n,
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OutputIterator result)
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{
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using thrust::system::detail::generic::select_system;
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return thrust::copy_n(select_system(thrust::detail::derived_cast(thrust::detail::strip_const(system1)), thrust::detail::derived_cast(thrust::detail::strip_const(system2))), first, n, result);
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} // end two_system_copy_n()
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} // end detail
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template<typename InputIterator,
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typename OutputIterator>
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OutputIterator copy(InputIterator first,
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InputIterator last,
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OutputIterator result)
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{
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typedef typename thrust::iterator_system<InputIterator>::type System1;
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typedef typename thrust::iterator_system<OutputIterator>::type System2;
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System1 system1;
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System2 system2;
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return thrust::detail::two_system_copy(system1, system2, first, last, result);
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} // end copy()
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template<typename InputIterator,
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typename Size,
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typename OutputIterator>
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OutputIterator copy_n(InputIterator first,
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Size n,
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OutputIterator result)
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{
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typedef typename thrust::iterator_system<InputIterator>::type System1;
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typedef typename thrust::iterator_system<OutputIterator>::type System2;
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System1 system1;
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System2 system2;
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return thrust::detail::two_system_copy_n(system1, system2, first, n, result);
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} // end copy_n()
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} // end namespace thrust
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