compute/algorithm/any_of.hpp

0001 //---------------------------------------------------------------------------//
0002 // Copyright (c) 2013 Kyle Lutz <kyle.r.lutz@gmail.com>
0003 //
0004 // Distributed under the Boost Software License, Version 1.0
0005 // See accompanying file LICENSE_1_0.txt or copy at
0006 // http://www.boost.org/LICENSE_1_0.txt
0007 //
0008 // See http://boostorg.github.com/compute for more information.
0009 //---------------------------------------------------------------------------//
0010
0011 #ifndef BOOST_COMPUTE_ALGORITHM_ANY_OF_HPP
0012 #define BOOST_COMPUTE_ALGORITHM_ANY_OF_HPP
0013
0014 #include <boost/static_assert.hpp>
0015
0016 #include <boost/compute/system.hpp>
0017 #include <boost/compute/algorithm/find_if.hpp>
0018 #include <boost/compute/type_traits/is_device_iterator.hpp>
0019
0020 namespace boost {
0021 namespace compute {
0022
0023 /// Returns \c true if \p predicate returns \c true for any of the elements in
0024 /// the range [\p first, \p last).
0025 ///
0026 /// For example, to test if a vector contains any negative values:
0027 ///
0028 /// \snippet test/test_any_all_none_of.cpp any_of
0029 ///
0030 /// Space complexity: \Omega(1)
0031 ///
0032 /// \see all_of(), none_of()
0033 template<class InputIterator, class UnaryPredicate>
0034 inline bool any_of(InputIterator first,
0035                    InputIterator last,
0036                    UnaryPredicate predicate,
0037                    command_queue &queue = system::default_queue())
0038 {
0039     BOOST_STATIC_ASSERT(is_device_iterator<InputIterator>::value);
0040     return ::boost::compute::find_if(first, last, predicate, queue) != last;
0041 }
0042
0043 } // end compute namespace
0044 } // end boost namespace
0045
0046 #endif // BOOST_COMPUTE_ALGORITHM_ANY_OF_HPP