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52066eae | 1 | // { dg-do run { target c++11 } } |
e1923769 ESR |
2 | // { dg-require-cstdint "" } |
3 | // | |
4 | // 2009-08-14 Edward M. Smith-Rowland <3dw4rd@verizon.net> | |
5 | // | |
a5544970 | 6 | // Copyright (C) 2009-2019 Free Software Foundation, Inc. |
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7 | // |
8 | // This file is part of the GNU ISO C++ Library. This library is free | |
9 | // software; you can redistribute it and/or modify it under the | |
10 | // terms of the GNU General Public License as published by the | |
11 | // Free Software Foundation; either version 3, or (at your option) | |
12 | // any later version. | |
13 | // | |
14 | // This library is distributed in the hope that it will be useful, | |
15 | // but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | // GNU General Public License for more details. | |
18 | // | |
19 | // You should have received a copy of the GNU General Public License along | |
20 | // with this library; see the file COPYING3. If not see | |
21 | // <http://www.gnu.org/licenses/>. | |
22 | ||
23 | // 26.4.8.5.2 Class template piecewise_constant_distribution | |
24 | // [rand.dist.samp.pconst] | |
25 | // 26.4.2.4 Concept RandomNumberDistribution [rand.concept.dist] | |
26 | ||
27 | #include <random> | |
28 | #include <sstream> | |
29 | ||
30 | void | |
31 | test01() | |
32 | { | |
33 | std::stringstream str; | |
34 | std::vector<double> x = {0.0, 1.0, 2.0, 3.0, 4.0, 5.0}; | |
35 | std::vector<double> wt = {0.5, 1.0, 2.5, 1.5, 0.5}; | |
36 | std::piecewise_constant_distribution<double> | |
37 | u(x.begin(), x.end(), wt.begin()), v; | |
38 | std::minstd_rand0 rng; | |
39 | ||
40 | u(rng); // advance | |
41 | str << u; | |
42 | ||
43 | str >> v; | |
44 | } | |
45 | ||
46 | int main() | |
47 | { | |
48 | test01(); | |
49 | return 0; | |
50 | } |