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52066eae | 1 | // { dg-do run { target c++11 } } |
453def3e | 2 | // { dg-require-cstdint "" } |
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3 | // |
4 | // 2008-11-24 Edward M. Smith-Rowland <3dw4rd@verizon.net> | |
5 | // | |
a5544970 | 6 | // Copyright (C) 2008-2019 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 | |
748086b7 | 11 | // Free Software Foundation; either version 3, or (at your option) |
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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 | |
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20 | // with this library; see the file COPYING3. If not see |
21 | // <http://www.gnu.org/licenses/>. | |
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22 | |
23 | // 26.4.8.3.2 Class template exponential_distribution [rand.dist.pois.exp] | |
24 | // 26.4.2.4 Concept RandomNumberDistribution [rand.concept.dist] | |
25 | ||
26 | #include <random> | |
27 | #include <testsuite_hooks.h> | |
28 | ||
29 | void | |
30 | test01() | |
31 | { | |
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32 | std::exponential_distribution<> u(0.5); |
33 | VERIFY( u.lambda() == 0.5 ); | |
34 | typedef std::exponential_distribution<>::result_type result_type; | |
a803975d | 35 | VERIFY( u.min() == 0.0 ); |
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36 | VERIFY( u.max() == std::numeric_limits<result_type>::max() ); |
37 | } | |
38 | ||
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39 | void |
40 | test02() | |
41 | { | |
42 | using param_type = std::exponential_distribution<>::param_type; | |
43 | const param_type p(0.5); | |
44 | std::exponential_distribution<> u(p); | |
45 | VERIFY( u.param() == p ); | |
46 | VERIFY( u.param() != param_type{} ); | |
47 | typedef std::exponential_distribution<>::result_type result_type; | |
48 | VERIFY( u.min() == 0.0 ); | |
49 | VERIFY( u.max() == std::numeric_limits<result_type>::max() ); | |
50 | } | |
51 | ||
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52 | int main() |
53 | { | |
54 | test01(); | |
12905f10 | 55 | test02(); |
8e79468d | 56 | } |