xref: /dflybsd-src/contrib/gcc-8.0/libstdc++-v3/include/c_compatibility/fenv.h (revision 38fd149817dfbff97799f62fcb70be98c4e32523)
1*38fd1498Szrj // -*- C++ -*- compatibility header.
2*38fd1498Szrj 
3*38fd1498Szrj // Copyright (C) 2007-2018 Free Software Foundation, Inc.
4*38fd1498Szrj //
5*38fd1498Szrj // This file is part of the GNU ISO C++ Library.  This library is free
6*38fd1498Szrj // software; you can redistribute it and/or modify it under the
7*38fd1498Szrj // terms of the GNU General Public License as published by the
8*38fd1498Szrj // Free Software Foundation; either version 3, or (at your option)
9*38fd1498Szrj // any later version.
10*38fd1498Szrj 
11*38fd1498Szrj // This library is distributed in the hope that it will be useful,
12*38fd1498Szrj // but WITHOUT ANY WARRANTY; without even the implied warranty of
13*38fd1498Szrj // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14*38fd1498Szrj // GNU General Public License for more details.
15*38fd1498Szrj 
16*38fd1498Szrj // Under Section 7 of GPL version 3, you are granted additional
17*38fd1498Szrj // permissions described in the GCC Runtime Library Exception, version
18*38fd1498Szrj // 3.1, as published by the Free Software Foundation.
19*38fd1498Szrj 
20*38fd1498Szrj // You should have received a copy of the GNU General Public License and
21*38fd1498Szrj // a copy of the GCC Runtime Library Exception along with this program;
22*38fd1498Szrj // see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
23*38fd1498Szrj // <http://www.gnu.org/licenses/>.
24*38fd1498Szrj 
25*38fd1498Szrj /** @file fenv.h
26*38fd1498Szrj  *  This is a Standard C++ Library header.
27*38fd1498Szrj  */
28*38fd1498Szrj 
29*38fd1498Szrj #ifndef _GLIBCXX_FENV_H
30*38fd1498Szrj #define _GLIBCXX_FENV_H 1
31*38fd1498Szrj 
32*38fd1498Szrj #pragma GCC system_header
33*38fd1498Szrj 
34*38fd1498Szrj #include <bits/c++config.h>
35*38fd1498Szrj #if _GLIBCXX_HAVE_FENV_H
36*38fd1498Szrj # include_next <fenv.h>
37*38fd1498Szrj #endif
38*38fd1498Szrj 
39*38fd1498Szrj #if __cplusplus >= 201103L
40*38fd1498Szrj 
41*38fd1498Szrj #if _GLIBCXX_USE_C99_FENV_TR1
42*38fd1498Szrj 
43*38fd1498Szrj #undef feclearexcept
44*38fd1498Szrj #undef fegetexceptflag
45*38fd1498Szrj #undef feraiseexcept
46*38fd1498Szrj #undef fesetexceptflag
47*38fd1498Szrj #undef fetestexcept
48*38fd1498Szrj #undef fegetround
49*38fd1498Szrj #undef fesetround
50*38fd1498Szrj #undef fegetenv
51*38fd1498Szrj #undef feholdexcept
52*38fd1498Szrj #undef fesetenv
53*38fd1498Szrj #undef feupdateenv
54*38fd1498Szrj 
55*38fd1498Szrj namespace std
56*38fd1498Szrj {
57*38fd1498Szrj   // types
58*38fd1498Szrj   using ::fenv_t;
59*38fd1498Szrj   using ::fexcept_t;
60*38fd1498Szrj 
61*38fd1498Szrj   // functions
62*38fd1498Szrj   using ::feclearexcept;
63*38fd1498Szrj   using ::fegetexceptflag;
64*38fd1498Szrj   using ::feraiseexcept;
65*38fd1498Szrj   using ::fesetexceptflag;
66*38fd1498Szrj   using ::fetestexcept;
67*38fd1498Szrj 
68*38fd1498Szrj   using ::fegetround;
69*38fd1498Szrj   using ::fesetround;
70*38fd1498Szrj 
71*38fd1498Szrj   using ::fegetenv;
72*38fd1498Szrj   using ::feholdexcept;
73*38fd1498Szrj   using ::fesetenv;
74*38fd1498Szrj   using ::feupdateenv;
75*38fd1498Szrj } // namespace
76*38fd1498Szrj 
77*38fd1498Szrj #endif // _GLIBCXX_USE_C99_FENV_TR1
78*38fd1498Szrj 
79*38fd1498Szrj #endif // C++11
80*38fd1498Szrj 
81*38fd1498Szrj #endif // _GLIBCXX_FENV_H
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