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59 lines
1.6 KiB
59 lines
1.6 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 trivial_copy.h |
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* \brief Device implementations for copying memory between host and device. |
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*/ |
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#pragma once |
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#include <thrust/iterator/iterator_traits.h> |
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#include <thrust/detail/type_traits.h> |
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#include <thrust/iterator/detail/is_trivial_iterator.h> |
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namespace thrust |
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{ |
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namespace detail |
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{ |
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namespace dispatch |
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{ |
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// a trivial copy's iterator's value_types match, |
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// the iterators themselves are normal_iterators |
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// and the ToIterator's value_type has_trivial_assign |
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template<typename FromIterator, typename ToIterator> |
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struct is_trivial_copy : |
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integral_constant< |
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bool, |
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is_same< |
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typename thrust::iterator_value<FromIterator>::type, |
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typename thrust::iterator_value<ToIterator>::type |
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>::value |
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&& is_trivial_iterator<FromIterator>::value |
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&& is_trivial_iterator<ToIterator>::value |
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&& has_trivial_assign<typename thrust::iterator_value<ToIterator>::type>::value |
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> {}; |
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} // end namespace dispatch |
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} // end namespace detail |
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} // end namespace thrust |
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