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1 | 13 | up20180614 | // -*- C++ -*- |
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2 | //===---------------------------- cctype ----------------------------------===// |
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3 | // |
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4 | // The LLVM Compiler Infrastructure |
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5 | // |
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6 | // This file is dual licensed under the MIT and the University of Illinois Open |
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7 | // Source Licenses. See LICENSE.TXT for details. |
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8 | // |
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9 | //===----------------------------------------------------------------------===// |
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10 | |||
11 | #ifndef _LIBCPP_CFENV |
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12 | #define _LIBCPP_CFENV |
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13 | |||
14 | /* |
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15 | cfenv synopsis |
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16 | |||
17 | This entire header is C99 / C++0X |
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18 | |||
19 | Macros: |
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20 | |||
21 | FE_DIVBYZERO |
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22 | FE_INEXACT |
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23 | FE_INVALID |
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24 | FE_OVERFLOW |
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25 | FE_UNDERFLOW |
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26 | FE_ALL_EXCEPT |
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27 | FE_DOWNWARD |
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28 | FE_TONEAREST |
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29 | FE_TOWARDZERO |
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30 | FE_UPWARD |
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31 | FE_DFL_ENV |
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32 | |||
33 | namespace std |
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34 | { |
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35 | |||
36 | Types: |
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37 | |||
38 | fenv_t |
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39 | fexcept_t |
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40 | |||
41 | int feclearexcept(int excepts); |
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42 | int fegetexceptflag(fexcept_t* flagp, int excepts); |
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43 | int feraiseexcept(int excepts); |
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44 | int fesetexceptflag(const fexcept_t* flagp, int excepts); |
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45 | int fetestexcept(int excepts); |
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46 | int fegetround(); |
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47 | int fesetround(int round); |
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48 | int fegetenv(fenv_t* envp); |
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49 | int feholdexcept(fenv_t* envp); |
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50 | int fesetenv(const fenv_t* envp); |
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51 | int feupdateenv(const fenv_t* envp); |
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52 | |||
53 | } // std |
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54 | */ |
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55 | |||
56 | #include <__config> |
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57 | #include <fenv.h> |
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58 | |||
59 | #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) |
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60 | #pragma GCC system_header |
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61 | #endif |
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62 | |||
63 | _LIBCPP_BEGIN_NAMESPACE_STD |
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64 | |||
65 | using ::fenv_t; |
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66 | using ::fexcept_t; |
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67 | |||
68 | using ::feclearexcept; |
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69 | using ::fegetexceptflag; |
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70 | using ::feraiseexcept; |
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71 | using ::fesetexceptflag; |
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72 | using ::fetestexcept; |
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73 | using ::fegetround; |
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74 | using ::fesetround; |
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75 | using ::fegetenv; |
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76 | using ::feholdexcept; |
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77 | using ::fesetenv; |
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78 | using ::feupdateenv; |
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79 | |||
80 | _LIBCPP_END_NAMESPACE_STD |
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81 | |||
82 | #endif // _LIBCPP_CFENV |