eval.pass.cpp revision bc8d3f97eb5c958007f2713238472e0c1c8fe02
1bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant//===----------------------------------------------------------------------===//
2bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant//
3bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// ��������������������The LLVM Compiler Infrastructure
4bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant//
5bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// This file is distributed under the University of Illinois Open Source
6bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// License. See LICENSE.TXT for details.
7bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant//
8bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant//===----------------------------------------------------------------------===//
9bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant
10bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// <random>
11bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant
12bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// class bernoulli_distribution
13bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant
14bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// template<class _URNG> result_type operator()(_URNG& g);
15bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant
16bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#include <random>
17bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#include <cassert>
18bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant
19bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnantint main()
20bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant{
21bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant    {
22bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant        typedef std::uniform_int_distribution<> D;
23bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant        typedef std::minstd_rand0 G;
24bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant        G g;
25bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant        D d(.75);
26bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant        int count = 0;
27bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant        for (int i = 0; i < 10000; ++i)
28bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant        {
29bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant            bool u = d(g);
30bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant            if (u)
31bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant                ++count;
32bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant        }
33bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant        assert(count > 7400);
34bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant    }
35bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant}
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