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70 lines
2.5 KiB
70 lines
2.5 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/config.h> |
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#include <thrust/system/detail/generic/mismatch.h> |
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#include <thrust/iterator/iterator_traits.h> |
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#include <thrust/detail/internal_functional.h> |
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#include <thrust/find.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 generic |
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{ |
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template<typename DerivedPolicy, typename InputIterator1, typename InputIterator2> |
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thrust::pair<InputIterator1, InputIterator2> |
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mismatch(thrust::execution_policy<DerivedPolicy> &exec, |
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InputIterator1 first1, |
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InputIterator1 last1, |
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InputIterator2 first2) |
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{ |
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typedef typename thrust::iterator_value<InputIterator1>::type InputType1; |
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// XXX use a placeholder expression here |
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return thrust::mismatch(exec, first1, last1, first2, thrust::detail::equal_to<InputType1>()); |
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} // end mismatch() |
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template<typename DerivedPolicy, typename InputIterator1, typename InputIterator2, typename BinaryPredicate> |
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thrust::pair<InputIterator1, InputIterator2> |
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mismatch(thrust::execution_policy<DerivedPolicy> &exec, |
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InputIterator1 first1, |
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InputIterator1 last1, |
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InputIterator2 first2, |
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BinaryPredicate pred) |
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{ |
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// Contributed by Erich Elsen |
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typedef thrust::tuple<InputIterator1,InputIterator2> IteratorTuple; |
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typedef thrust::zip_iterator<IteratorTuple> ZipIterator; |
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ZipIterator zipped_first = thrust::make_zip_iterator(thrust::make_tuple(first1,first2)); |
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ZipIterator zipped_last = thrust::make_zip_iterator(thrust::make_tuple(last1, first2)); |
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ZipIterator result = thrust::find_if_not(exec, zipped_first, zipped_last, thrust::detail::tuple_binary_predicate<BinaryPredicate>(pred)); |
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return thrust::make_pair(thrust::get<0>(result.get_iterator_tuple()), |
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thrust::get<1>(result.get_iterator_tuple())); |
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} // end mismatch() |
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} // end generic |
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} // end detail |
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} // end system |
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} // end thrust |
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