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1 | // 2006-08-22 Paolo Carlini <pcarlini@suse.de> |
2 | // | |
405feeb8 | 3 | // Copyright (C) 2006-2013 Free Software Foundation, Inc. |
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4 | // |
5 | // This file is part of the GNU ISO C++ Library. This library is free | |
6 | // software; you can redistribute it and/or modify it under the | |
7 | // terms of the GNU General Public License as published by the | |
748086b7 | 8 | // Free Software Foundation; either version 3, or (at your option) |
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9 | // any later version. |
10 | // | |
11 | // This library is distributed in the hope that it will be useful, | |
12 | // but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | // GNU General Public License for more details. | |
15 | // | |
16 | // You should have received a copy of the GNU General Public License along | |
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17 | // with this library; see the file COPYING3. If not see |
18 | // <http://www.gnu.org/licenses/>. | |
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19 | |
20 | // 5.1.5 Engines with predefined parameters | |
21 | // 5.1.5 [3] | |
22 | ||
23 | #include <tr1/random> | |
24 | #include <testsuite_hooks.h> | |
25 | ||
26 | void | |
27 | test01() | |
28 | { | |
29 | bool test __attribute__((unused)) = true; | |
30 | ||
31 | std::tr1::ranlux4_01 a; | |
32 | for (int i = 0; i < 9999; ++i) | |
33 | a(); | |
34 | ||
35 | #if _GLIBCXX_USE_C99_MATH_TR1 | |
36 | VERIFY( a() == 8587295 * std::tr1::ldexp(float(1), -24) ); | |
37 | #else | |
38 | VERIFY( a() == 8587295 * std::pow(float(2), -24) ); | |
39 | #endif | |
40 | } | |
41 | ||
42 | int main() | |
43 | { | |
44 | test01(); | |
45 | return 0; | |
46 | } |