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96 lines
2.2 KiB
96 lines
2.2 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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#include <thrust/detail/type_traits/pointer_traits.h> |
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#if __GNUC__ |
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// forward declaration of gnu's __normal_iterator |
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namespace __gnu_cxx |
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{ |
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template<typename Iterator, typename Container> class __normal_iterator; |
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} // end __gnu_cxx |
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#endif // __GNUC__ |
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#if _MSC_VER |
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// forward declaration of MSVC's "normal iterators" |
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namespace std |
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{ |
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template<typename Value, typename Difference, typename Pointer, typename Reference> struct _Ranit; |
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} // end std |
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#endif // _MSC_VER |
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namespace thrust |
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{ |
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namespace detail |
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{ |
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#ifdef __GNUC__ |
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template<typename T> |
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struct is_gnu_normal_iterator |
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: false_type |
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{}; |
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// catch gnu __normal_iterators |
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template<typename Iterator, typename Container> |
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struct is_gnu_normal_iterator< __gnu_cxx::__normal_iterator<Iterator, Container> > |
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: true_type |
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{}; |
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#endif // __GNUC__ |
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#ifdef _MSC_VER |
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// catch msvc _Ranit |
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template<typename Iterator> |
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struct is_convertible_to_msvc_Ranit : |
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is_convertible< |
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Iterator, |
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std::_Ranit< |
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typename iterator_value<Iterator>::type, |
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typename iterator_difference<Iterator>::type, |
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typename iterator_pointer<Iterator>::type, |
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typename iterator_reference<Iterator>::type |
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> |
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> |
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{}; |
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#endif // _MSC_VER |
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template<typename T> |
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struct is_trivial_iterator : |
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integral_constant< |
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bool, |
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is_pointer<T>::value |
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| thrust::detail::is_thrust_pointer<T>::value |
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#if __GNUC__ |
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| is_gnu_normal_iterator<T>::value |
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#endif // __GNUC__ |
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#ifdef _MSC_VER |
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| is_convertible_to_msvc_Ranit<T>::value |
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#endif // _MSC_VER |
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> |
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{}; |
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} // end detail |
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} // end thrust |
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