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1 | // -*- C++ -*- compatibility header. | |
2 | ||
3 | // Copyright (C) 2007-2024 Free Software Foundation, Inc. | |
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 | |
8 | // Free Software Foundation; either version 3, or (at your option) | |
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 | // Under Section 7 of GPL version 3, you are granted additional | |
17 | // permissions described in the GCC Runtime Library Exception, version | |
18 | // 3.1, as published by the Free Software Foundation. | |
19 | ||
20 | // You should have received a copy of the GNU General Public License and | |
21 | // a copy of the GCC Runtime Library Exception along with this program; | |
22 | // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see | |
23 | // <http://www.gnu.org/licenses/>. | |
24 | ||
25 | /** @file fenv.h | |
26 | * This is a Standard C++ Library header. | |
27 | */ | |
28 | ||
29 | #ifndef _GLIBCXX_FENV_H | |
30 | #define _GLIBCXX_FENV_H 1 | |
31 | ||
32 | #pragma GCC system_header | |
33 | ||
34 | #include <bits/c++config.h> | |
35 | #if _GLIBCXX_HAVE_FENV_H | |
36 | # include_next <fenv.h> | |
37 | #endif | |
38 | ||
39 | #if __cplusplus >= 201103L | |
40 | ||
41 | #if _GLIBCXX_USE_C99_FENV | |
42 | ||
43 | #undef feclearexcept | |
44 | #undef fegetexceptflag | |
45 | #undef feraiseexcept | |
46 | #undef fesetexceptflag | |
47 | #undef fetestexcept | |
48 | #undef fegetround | |
49 | #undef fesetround | |
50 | #undef fegetenv | |
51 | #undef feholdexcept | |
52 | #undef fesetenv | |
53 | #undef feupdateenv | |
54 | ||
55 | namespace std | |
56 | { | |
57 | // types | |
58 | using ::fenv_t; | |
59 | using ::fexcept_t; | |
60 | ||
61 | // functions | |
62 | using ::feclearexcept; | |
63 | using ::fegetexceptflag; | |
64 | using ::feraiseexcept; | |
65 | using ::fesetexceptflag; | |
66 | using ::fetestexcept; | |
67 | ||
68 | using ::fegetround; | |
69 | using ::fesetround; | |
70 | ||
71 | using ::fegetenv; | |
72 | using ::feholdexcept; | |
73 | using ::fesetenv; | |
74 | using ::feupdateenv; | |
75 | } // namespace | |
76 | ||
77 | #endif // _GLIBCXX_USE_C99_FENV | |
78 | ||
79 | #endif // C++11 | |
80 | ||
81 | #endif // _GLIBCXX_FENV_H |