| Howard Hinnant | 3e51952 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1 | //===----------------------------------------------------------------------===// |
| 2 | // |
| Howard Hinnant | 5b08a8a | 2010-05-11 21:36:01 +0000 | [diff] [blame^] | 3 | // The LLVM Compiler Infrastructure |
| Howard Hinnant | 3e51952 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 4 | // |
| 5 | // This file is distributed under the University of Illinois Open Source |
| 6 | // License. See LICENSE.TXT for details. |
| 7 | // |
| 8 | //===----------------------------------------------------------------------===// |
| 9 | |
| 10 | // <fenv.h> |
| 11 | |
| 12 | #include <fenv.h> |
| 13 | #include <type_traits> |
| 14 | |
| 15 | #ifndef FE_DIVBYZERO |
| 16 | #error FE_DIVBYZERO not defined |
| 17 | #endif |
| 18 | |
| 19 | #ifndef FE_INEXACT |
| 20 | #error FE_INEXACT not defined |
| 21 | #endif |
| 22 | |
| 23 | #ifndef FE_INVALID |
| 24 | #error FE_INVALID not defined |
| 25 | #endif |
| 26 | |
| 27 | #ifndef FE_OVERFLOW |
| 28 | #error FE_OVERFLOW not defined |
| 29 | #endif |
| 30 | |
| 31 | #ifndef FE_UNDERFLOW |
| 32 | #error FE_UNDERFLOW not defined |
| 33 | #endif |
| 34 | |
| 35 | #ifndef FE_ALL_EXCEPT |
| 36 | #error FE_ALL_EXCEPT not defined |
| 37 | #endif |
| 38 | |
| 39 | #ifndef FE_DOWNWARD |
| 40 | #error FE_DOWNWARD not defined |
| 41 | #endif |
| 42 | |
| 43 | #ifndef FE_TONEAREST |
| 44 | #error FE_TONEAREST not defined |
| 45 | #endif |
| 46 | |
| 47 | #ifndef FE_TOWARDZERO |
| 48 | #error FE_TOWARDZERO not defined |
| 49 | #endif |
| 50 | |
| 51 | #ifndef FE_UPWARD |
| 52 | #error FE_UPWARD not defined |
| 53 | #endif |
| 54 | |
| 55 | #ifndef FE_DFL_ENV |
| 56 | #error FE_DFL_ENV not defined |
| 57 | #endif |
| 58 | |
| 59 | int main() |
| 60 | { |
| 61 | fenv_t fenv = {0}; |
| 62 | fexcept_t fex = 0; |
| 63 | static_assert((std::is_same<decltype(feclearexcept(0)), int>::value), ""); |
| 64 | static_assert((std::is_same<decltype(fegetexceptflag(&fex, 0)), int>::value), ""); |
| 65 | static_assert((std::is_same<decltype(feraiseexcept(0)), int>::value), ""); |
| 66 | static_assert((std::is_same<decltype(fesetexceptflag(&fex, 0)), int>::value), ""); |
| 67 | static_assert((std::is_same<decltype(fetestexcept(0)), int>::value), ""); |
| 68 | static_assert((std::is_same<decltype(fegetround()), int>::value), ""); |
| 69 | static_assert((std::is_same<decltype(fesetround(0)), int>::value), ""); |
| 70 | static_assert((std::is_same<decltype(fegetenv(&fenv)), int>::value), ""); |
| 71 | static_assert((std::is_same<decltype(feholdexcept(&fenv)), int>::value), ""); |
| 72 | static_assert((std::is_same<decltype(fesetenv(&fenv)), int>::value), ""); |
| 73 | static_assert((std::is_same<decltype(feupdateenv(&fenv)), int>::value), ""); |
| 74 | } |