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52066eae | 1 | // { dg-do run { target c++11 } } |
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2 | // { dg-require-cstdint "" } |
3 | // | |
8d9254fc | 4 | // Copyright (C) 2011-2020 Free Software Foundation, Inc. |
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5 | // |
6 | // This file is part of the GNU ISO C++ Library. This library is free | |
7 | // software; you can redistribute it and/or modify it under the | |
8 | // terms of the GNU General Public License as published by the | |
9 | // Free Software Foundation; either version 3, or (at your option) | |
10 | // any later version. | |
11 | // | |
12 | // This library is distributed in the hope that it will be useful, | |
13 | // but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | // GNU General Public License for more details. | |
16 | // | |
17 | // You should have received a copy of the GNU General Public License along | |
18 | // with this library; see the file COPYING3. If not see | |
19 | // <http://www.gnu.org/licenses/>. | |
20 | ||
21 | // 26.5.8.6.1 Class template discrete_distribution [rand.dist.samp.discrete] | |
22 | ||
23 | #include <random> | |
24 | #include <functional> | |
25 | #include <testsuite_random.h> | |
26 | ||
27 | void test01() | |
28 | { | |
29 | using namespace __gnu_test; | |
30 | ||
31 | std::mt19937 eng; | |
32 | ||
33 | std::discrete_distribution<> dd1({ }); | |
34 | auto bdd1 = std::bind(dd1, eng); | |
35 | testDiscreteDist(bdd1, [](int n) { return discrete_pdf(n, { }); } ); | |
36 | ||
37 | std::discrete_distribution<> dd2({ 1.0, 3.0, 2.0}); | |
38 | auto bdd2 = std::bind(dd2, eng); | |
39 | testDiscreteDist(bdd2, [](int n) | |
40 | { return discrete_pdf(n, { 1.0, 3.0, 2.0}); } ); | |
41 | ||
42 | std::discrete_distribution<> dd3({ 2.0, 2.0, 1.0, 0.0, 4.0}); | |
43 | auto bdd3 = std::bind(dd3, eng); | |
44 | testDiscreteDist(bdd3, [](int n) | |
45 | { return discrete_pdf(n, { 2.0, 2.0, 1.0, 0.0, 4.0}); } ); | |
46 | } | |
47 | ||
48 | int main() | |
49 | { | |
50 | test01(); | |
51 | return 0; | |
52 | } |