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      1 //===----------------------------------------------------------------------===//
      2 //
      3 //                     The LLVM Compiler Infrastructure
      4 //
      5 // This file is dual licensed under the MIT and the University of Illinois Open
      6 // Source Licenses. See LICENSE.TXT for details.
      7 //
      8 //===----------------------------------------------------------------------===//
      9 
     10 // <algorithm>
     11 
     12 // template <class PopulationIterator, class SampleIterator, class Distance,
     13 //           class UniformRandomNumberGenerator>
     14 // SampleIterator sample(PopulationIterator first, PopulationIterator last,
     15 //                       SampleIterator out, Distance n,
     16 //                       UniformRandomNumberGenerator &&g);
     17 
     18 #include <experimental/algorithm>
     19 #include <random>
     20 #include <cassert>
     21 
     22 #include "test_iterators.h"
     23 
     24 template <class PopulationIterator, class SampleIterator> void test() {
     25   int ia[] = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10};
     26   const unsigned is = sizeof(ia) / sizeof(ia[0]);
     27   const unsigned os = 4;
     28   int oa[os];
     29   std::minstd_rand g;
     30   std::experimental::sample(PopulationIterator(ia), PopulationIterator(ia + is),
     31                             SampleIterator(oa), os, g);
     32 }
     33 
     34 int main() {
     35   test<input_iterator<int *>, output_iterator<int *> >();
     36 }
     37