| // 2006-08-22 Paolo Carlini <pcarlini@suse.de> |
| // |
| // Copyright (C) 2006-2014 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/>. |
| |
| // 5.1.5 Engines with predefined parameters |
| // 5.1.5 [3] |
| |
| #include <tr1/random> |
| #include <testsuite_hooks.h> |
| |
| void |
| test01() |
| { |
| bool test __attribute__((unused)) = true; |
| |
| std::tr1::ranlux4_01 a; |
| for (int i = 0; i < 9999; ++i) |
| a(); |
| |
| #if _GLIBCXX_USE_C99_MATH_TR1 |
| VERIFY( a() == 8587295 * std::tr1::ldexp(float(1), -24) ); |
| #else |
| VERIFY( a() == 8587295 * std::pow(float(2), -24) ); |
| #endif |
| } |
| |
| int main() |
| { |
| test01(); |
| return 0; |
| } |
