| // { dg-do run { target c++11 } } |
| // { dg-require-cstdint "" } |
| // |
| // 2008-12-03 Edward M. Smith-Rowland <3dw4rd@verizon.net> |
| // |
| // Copyright (C) 2008-2023 Free Software Foundation, Inc. |
| // |
| // This file is part of the GNU ISO C++ Library. This library is free |
| // software; you can redistribute it and/or modify it under the |
| // terms of the GNU General Public License as published by the |
| // Free Software Foundation; either version 3, or (at your option) |
| // any later version. |
| // |
| // This library is distributed in the hope that it will be useful, |
| // but WITHOUT ANY WARRANTY; without even the implied warranty of |
| // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| // GNU General Public License for more details. |
| // |
| // You should have received a copy of the GNU General Public License along |
| // with this library; see the file COPYING3. If not see |
| // <http://www.gnu.org/licenses/>. |
| |
| // 26.4.8.5.1 Class template discrete_distribution [rand.dist.samp.discrete] |
| // 26.4.2.4 Concept RandomNumberDistribution [rand.concept.dist] |
| |
| #include <random> |
| #include <testsuite_hooks.h> |
| |
| void |
| test01() |
| { |
| std::vector<double> wt = {0.5, 1.0, 2.5, 1.5, 0.5}; |
| std::discrete_distribution<> u(wt.begin(), wt.end()); |
| std::vector<double> probablility = u.probabilities(); |
| VERIFY( probablility.size() == 5 ); |
| VERIFY( probablility[0] == double(0.5 / 6.0) ); |
| VERIFY( probablility[2] == double(2.5 / 6.0) ); |
| } |
| |
| int main() |
| { |
| test01(); |
| return 0; |
| } |
