// -*- C++ -*- // Copyright (C) 2014-2018 Free Software Foundation, Inc. // // This file is part of the GNU ISO C++ Library. This library is free // software; you can redistribute it and/or modify it under the // terms of the GNU General Public License as published by the // Free Software Foundation; either version 3, or (at your option) // any later version. // This library is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // Under Section 7 of GPL version 3, you are granted additional // permissions described in the GCC Runtime Library Exception, version // 3.1, as published by the Free Software Foundation. // You should have received a copy of the GNU General Public License and // a copy of the GCC Runtime Library Exception along with this program; // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see // . /** @file experimental/algorithm * This is a TS C++ Library header. */ #ifndef _GLIBCXX_EXPERIMENTAL_ALGORITHM #define _GLIBCXX_EXPERIMENTAL_ALGORITHM 1 #pragma GCC system_header #if __cplusplus >= 201402L #include #include #include namespace std _GLIBCXX_VISIBILITY(default) { _GLIBCXX_BEGIN_NAMESPACE_VERSION namespace experimental { inline namespace fundamentals_v2 { template inline _ForwardIterator search(_ForwardIterator __first, _ForwardIterator __last, const _Searcher& __searcher) { return __searcher(__first, __last); } #define __cpp_lib_experimental_sample 201402 /// Take a random sample from a population. template _SampleIterator sample(_PopulationIterator __first, _PopulationIterator __last, _SampleIterator __out, _Distance __n, _UniformRandomNumberGenerator&& __g) { using __pop_cat = typename std::iterator_traits<_PopulationIterator>::iterator_category; using __samp_cat = typename std::iterator_traits<_SampleIterator>::iterator_category; static_assert( __or_, is_convertible<__samp_cat, random_access_iterator_tag>>::value, "output range must use a RandomAccessIterator when input range" " does not meet the ForwardIterator requirements"); static_assert(is_integral<_Distance>::value, "sample size must be an integer type"); typename iterator_traits<_PopulationIterator>::difference_type __d = __n; return std::__sample(__first, __last, __pop_cat{}, __out, __samp_cat{}, __d, std::forward<_UniformRandomNumberGenerator>(__g)); } template inline _SampleIterator sample(_PopulationIterator __first, _PopulationIterator __last, _SampleIterator __out, _Distance __n) { return experimental::sample(__first, __last, __out, __n, _S_randint_engine()); } template inline void shuffle(_RandomAccessIterator __first, _RandomAccessIterator __last) { return std::shuffle(__first, __last, _S_randint_engine()); } } // namespace fundamentals_v2 } // namespace experimental _GLIBCXX_END_NAMESPACE_VERSION } // namespace std #endif // C++14 #endif // _GLIBCXX_EXPERIMENTAL_ALGORITHM