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| /* | |
| * Copyright 2008-2013 NVIDIA Corporation | |
| * | |
| * Licensed under the Apache License, Version 2.0 (the "License"); | |
| * you may not use this file except in compliance with the License. | |
| * You may obtain a copy of the License at | |
| * | |
| * http://www.apache.org/licenses/LICENSE-2.0 | |
| * | |
| * Unless required by applicable law or agreed to in writing, software | |
| * distributed under the License is distributed on an "AS IS" BASIS, | |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
| * See the License for the specific language governing permissions and | |
| * limitations under the License. | |
| */ | |
| /*! \file logical.h | |
| * \brief Logical operations on ranges | |
| */ | |
| namespace thrust | |
| { | |
| /*! \addtogroup reductions | |
| * \{ | |
| * \addtogroup logical | |
| * \ingroup reductions | |
| * \{ | |
| */ | |
| /*! \p all_of determines whether all elements in a range satify a predicate. | |
| * Specifically, \p all_of returns \c true if <tt>pred(*i)</tt> is \c true | |
| * for every iterator \c i in the range <tt>[first, last)</tt> and | |
| * \c false otherwise. | |
| * | |
| * The algorithm's execution is parallelized as determined by \p exec. | |
| * | |
| * \param exec The execution policy to use for parallelization. | |
| * \param first The beginning of the sequence. | |
| * \param last The end of the sequence. | |
| * \param pred A predicate used to test range elements. | |
| * \return \c true, if all elements satisfy the predicate; \c false, otherwise. | |
| * | |
| * \tparam DerivedPolicy The name of the derived execution policy. | |
| * \tparam InputIterator is a model of <a href="http://www.sgi.com/tech/stl/InputIterator.html">Input Iterator</a>, | |
| * \tparam Predicate must be a model of <a href="http://www.sgi.com/tech/stl/Predicate.html">Predicate</a>. | |
| * | |
| * \code | |
| * #include <thrust/logical.h> | |
| * #include <thrust/functional.h> | |
| * #include <thrust/execution_policy.h> | |
| * ... | |
| * bool A[3] = {true, true, false}; | |
| * | |
| * thrust::all_of(thrust::host, A, A + 2, thrust::identity<bool>()); // returns true | |
| * thrust::all_of(thrust::host, A, A + 3, thrust::identity<bool>()); // returns false | |
| * | |
| * // empty range | |
| * thrust::all_of(thrust::host, A, A, thrust::identity<bool>()); // returns false | |
| * | |
| * \endcode | |
| * | |
| * \see any_of | |
| * \see none_of | |
| * \see transform_reduce | |
| */ | |
| template<typename DerivedPolicy, typename InputIterator, typename Predicate> | |
| __host__ __device__ | |
| bool all_of(const thrust::detail::execution_policy_base<DerivedPolicy> &exec, InputIterator first, InputIterator last, Predicate pred); | |
| /*! \p all_of determines whether all elements in a range satify a predicate. | |
| * Specifically, \p all_of returns \c true if <tt>pred(*i)</tt> is \c true | |
| * for every iterator \c i in the range <tt>[first, last)</tt> and | |
| * \c false otherwise. | |
| * | |
| * \param first The beginning of the sequence. | |
| * \param last The end of the sequence. | |
| * \param pred A predicate used to test range elements. | |
| * \return \c true, if all elements satisfy the predicate; \c false, otherwise. | |
| * | |
| * \tparam InputIterator is a model of <a href="http://www.sgi.com/tech/stl/InputIterator.html">Input Iterator</a>, | |
| * \tparam Predicate must be a model of <a href="http://www.sgi.com/tech/stl/Predicate.html">Predicate</a>. | |
| * | |
| * \code | |
| * #include <thrust/logical.h> | |
| * #include <thrust/functional.h> | |
| * ... | |
| * bool A[3] = {true, true, false}; | |
| * | |
| * thrust::all_of(A, A + 2, thrust::identity<bool>()); // returns true | |
| * thrust::all_of(A, A + 3, thrust::identity<bool>()); // returns false | |
| * | |
| * // empty range | |
| * thrust::all_of(A, A, thrust::identity<bool>()); // returns false | |
| * | |
| * \endcode | |
| * | |
| * \see any_of | |
| * \see none_of | |
| * \see transform_reduce | |
| */ | |
| template<typename InputIterator, typename Predicate> | |
| bool all_of(InputIterator first, InputIterator last, Predicate pred); | |
| /*! \p any_of determines whether any element in a range satifies a predicate. | |
| * Specifically, \p any_of returns \c true if <tt>pred(*i)</tt> is \c true | |
| * for any iterator \c i in the range <tt>[first, last)</tt> and | |
| * \c false otherwise. | |
| * | |
| * The algorithm's execution is parallelized as determined by \p exec. | |
| * | |
| * \param exec The execution policy to use for parallelization. | |
| * \param first The beginning of the sequence. | |
| * \param last The end of the sequence. | |
| * \param pred A predicate used to test range elements. | |
| * \return \c true, if any element satisfies the predicate; \c false, otherwise. | |
| * | |
| * \tparam DerivedPolicy The name of the derived execution policy. | |
| * \tparam InputIterator is a model of <a href="http://www.sgi.com/tech/stl/InputIterator.html">Input Iterator</a>, | |
| * \tparam Predicate must be a model of <a href="http://www.sgi.com/tech/stl/Predicate.html">Predicate</a>. | |
| * | |
| * \code | |
| * #include <thrust/logical.h> | |
| * #include <thrust/functional.h> | |
| * #include <thrust/execution_policy.h> | |
| * ... | |
| * bool A[3] = {true, true, false}; | |
| * | |
| * thrust::any_of(thrust::host, A, A + 2, thrust::identity<bool>()); // returns true | |
| * thrust::any_of(thrust::host, A, A + 3, thrust::identity<bool>()); // returns true | |
| * | |
| * thrust::any_of(thrust::host, A + 2, A + 3, thrust::identity<bool>()); // returns false | |
| * | |
| * // empty range | |
| * thrust::any_of(thrust::host, A, A, thrust::identity<bool>()); // returns false | |
| * \endcode | |
| * | |
| * \see all_of | |
| * \see none_of | |
| * \see transform_reduce | |
| */ | |
| template<typename DerivedPolicy, typename InputIterator, typename Predicate> | |
| __host__ __device__ | |
| bool any_of(const thrust::detail::execution_policy_base<DerivedPolicy> &exec, InputIterator first, InputIterator last, Predicate pred); | |
| /*! \p any_of determines whether any element in a range satifies a predicate. | |
| * Specifically, \p any_of returns \c true if <tt>pred(*i)</tt> is \c true | |
| * for any iterator \c i in the range <tt>[first, last)</tt> and | |
| * \c false otherwise. | |
| * | |
| * \param first The beginning of the sequence. | |
| * \param last The end of the sequence. | |
| * \param pred A predicate used to test range elements. | |
| * \return \c true, if any element satisfies the predicate; \c false, otherwise. | |
| * | |
| * \tparam InputIterator is a model of <a href="http://www.sgi.com/tech/stl/InputIterator.html">Input Iterator</a>, | |
| * \tparam Predicate must be a model of <a href="http://www.sgi.com/tech/stl/Predicate.html">Predicate</a>. | |
| * | |
| * \code | |
| * #include <thrust/logical.h> | |
| * #include <thrust/functional.h> | |
| * ... | |
| * bool A[3] = {true, true, false}; | |
| * | |
| * thrust::any_of(A, A + 2, thrust::identity<bool>()); // returns true | |
| * thrust::any_of(A, A + 3, thrust::identity<bool>()); // returns true | |
| * | |
| * thrust::any_of(A + 2, A + 3, thrust::identity<bool>()); // returns false | |
| * | |
| * // empty range | |
| * thrust::any_of(A, A, thrust::identity<bool>()); // returns false | |
| * \endcode | |
| * | |
| * \see all_of | |
| * \see none_of | |
| * \see transform_reduce | |
| */ | |
| template<typename InputIterator, typename Predicate> | |
| bool any_of(InputIterator first, InputIterator last, Predicate pred); | |
| /*! \p none_of determines whether no element in a range satifies a predicate. | |
| * Specifically, \p none_of returns \c true if there is no iterator \c i in | |
| * the range <tt>[first, last)</tt> such that <tt>pred(*i)</tt> is \c true, | |
| * and \c false otherwise. | |
| * | |
| * The algorithm's execution is parallelized as determined by \p exec. | |
| * | |
| * \param exec The execution policy to use for parallelization. | |
| * \param first The beginning of the sequence. | |
| * \param last The end of the sequence. | |
| * \param pred A predicate used to test range elements. | |
| * \return \c true, if no element satisfies the predicate; \c false, otherwise. | |
| * | |
| * \tparam DerivedPolicy The name of the derived execution policy. | |
| * \tparam InputIterator is a model of <a href="http://www.sgi.com/tech/stl/InputIterator.html">Input Iterator</a>, | |
| * \tparam Predicate must be a model of <a href="http://www.sgi.com/tech/stl/Predicate.html">Predicate</a>. | |
| * | |
| * \code | |
| * #include <thrust/logical.h> | |
| * #include <thrust/functional.h> | |
| * #include <thrust/execution_policy.h> | |
| * ... | |
| * bool A[3] = {true, true, false}; | |
| * | |
| * thrust::none_of(thrust::host, A, A + 2, thrust::identity<bool>()); // returns false | |
| * thrust::none_of(thrust::host, A, A + 3, thrust::identity<bool>()); // returns false | |
| * | |
| * thrust::none_of(thrust::host, A + 2, A + 3, thrust::identity<bool>()); // returns true | |
| * | |
| * // empty range | |
| * thrust::none_of(thrust::host, A, A, thrust::identity<bool>()); // returns true | |
| * \endcode | |
| * | |
| * \see all_of | |
| * \see any_of | |
| * \see transform_reduce | |
| */ | |
| template<typename DerivedPolicy, typename InputIterator, typename Predicate> | |
| __host__ __device__ | |
| bool none_of(const thrust::detail::execution_policy_base<DerivedPolicy> &exec, InputIterator first, InputIterator last, Predicate pred); | |
| /*! \p none_of determines whether no element in a range satifies a predicate. | |
| * Specifically, \p none_of returns \c true if there is no iterator \c i in | |
| * the range <tt>[first, last)</tt> such that <tt>pred(*i)</tt> is \c true, | |
| * and \c false otherwise. | |
| * | |
| * \param first The beginning of the sequence. | |
| * \param last The end of the sequence. | |
| * \param pred A predicate used to test range elements. | |
| * \return \c true, if no element satisfies the predicate; \c false, otherwise. | |
| * | |
| * \tparam InputIterator is a model of <a href="http://www.sgi.com/tech/stl/InputIterator.html">Input Iterator</a>, | |
| * \tparam Predicate must be a model of <a href="http://www.sgi.com/tech/stl/Predicate.html">Predicate</a>. | |
| * | |
| * \code | |
| * #include <thrust/logical.h> | |
| * #include <thrust/functional.h> | |
| * ... | |
| * bool A[3] = {true, true, false}; | |
| * | |
| * thrust::none_of(A, A + 2, thrust::identity<bool>()); // returns false | |
| * thrust::none_of(A, A + 3, thrust::identity<bool>()); // returns false | |
| * | |
| * thrust::none_of(A + 2, A + 3, thrust::identity<bool>()); // returns true | |
| * | |
| * // empty range | |
| * thrust::none_of(A, A, thrust::identity<bool>()); // returns true | |
| * \endcode | |
| * | |
| * \see all_of | |
| * \see any_of | |
| * \see transform_reduce | |
| */ | |
| template<typename InputIterator, typename Predicate> | |
| bool none_of(InputIterator first, InputIterator last, Predicate pred); | |
| /*! \} // end logical | |
| * \} // end reductions | |
| */ | |
| } // end namespace thrust | |