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127 lines
3.9 KiB
127 lines
3.9 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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#include <thrust/detail/dispatch/is_trivial_copy.h> |
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#include <thrust/detail/type_traits.h> |
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#include <thrust/system/detail/internal/scalar/general_copy.h> |
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#include <thrust/system/detail/internal/scalar/trivial_copy.h> |
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#include <thrust/iterator/iterator_traits.h> |
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#include <thrust/detail/type_traits/pointer_traits.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 internal |
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{ |
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namespace scalar |
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{ |
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namespace copy_detail |
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{ |
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// returns the raw pointer associated with a Pointer-like thing |
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template<typename Pointer> |
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typename thrust::detail::pointer_traits<Pointer>::raw_pointer |
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get(Pointer ptr) |
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{ |
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return thrust::detail::pointer_traits<Pointer>::get(ptr); |
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} |
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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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thrust::detail::true_type) // is_trivial_copy |
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{ |
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typedef typename thrust::iterator_difference<InputIterator>::type Size; |
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const Size n = last - first; |
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thrust::system::detail::internal::scalar::trivial_copy_n(get(&*first), n, get(&*result)); |
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return result + n; |
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} // end copy() |
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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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thrust::detail::false_type) // is_trivial_copy |
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{ |
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return thrust::system::detail::internal::scalar::general_copy(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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thrust::detail::true_type) // is_trivial_copy |
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{ |
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thrust::system::detail::internal::scalar::trivial_copy_n(get(&*first), n, get(&*result)); |
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return result + n; |
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} // end copy_n() |
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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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thrust::detail::false_type) // is_trivial_copy |
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{ |
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return thrust::system::detail::internal::scalar::general_copy_n(first,n,result); |
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} // end copy_n() |
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} // end namespace copy_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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return thrust::system::detail::internal::scalar::copy_detail::copy(first, last, result, |
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typename thrust::detail::dispatch::is_trivial_copy<InputIterator,OutputIterator>::type()); |
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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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return thrust::system::detail::internal::scalar::copy_detail::copy_n(first, n, result, |
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typename thrust::detail::dispatch::is_trivial_copy<InputIterator,OutputIterator>::type()); |
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} // end copy_n() |
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} // end namespace scalar |
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} // end namespace internal |
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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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