//===----------------------------------------------------------------------===// // // The LLVM Compiler Infrastructure // // This file is dual licensed under the MIT and the University of Illinois Open // Source Licenses. See LICENSE.TXT for details. // //===----------------------------------------------------------------------===// // // UNSUPPORTED: newlib // <cfenv> #include <cfenv> #include <type_traits> #ifndef FE_DIVBYZERO #error FE_DIVBYZERO not defined #endif #ifndef FE_INEXACT #error FE_INEXACT not defined #endif #ifndef FE_INVALID #error FE_INVALID not defined #endif #ifndef FE_OVERFLOW #error FE_OVERFLOW not defined #endif #ifndef FE_UNDERFLOW #error FE_UNDERFLOW not defined #endif #ifndef FE_ALL_EXCEPT #error FE_ALL_EXCEPT not defined #endif #ifndef FE_DOWNWARD #error FE_DOWNWARD not defined #endif #ifndef FE_TONEAREST #error FE_TONEAREST not defined #endif #ifndef FE_TOWARDZERO #error FE_TOWARDZERO not defined #endif #ifndef FE_UPWARD #error FE_UPWARD not defined #endif #ifndef FE_DFL_ENV #error FE_DFL_ENV not defined #endif int main() { std::fenv_t fenv; std::fexcept_t fex; ((void)fenv); // Prevent unused warning ((void)fex); // Prevent unused warning static_assert((std::is_same<decltype(std::feclearexcept(0)), int>::value), ""); static_assert((std::is_same<decltype(std::fegetexceptflag(&fex, 0)), int>::value), ""); static_assert((std::is_same<decltype(std::feraiseexcept(0)), int>::value), ""); static_assert((std::is_same<decltype(std::fesetexceptflag(&fex, 0)), int>::value), ""); static_assert((std::is_same<decltype(std::fetestexcept(0)), int>::value), ""); static_assert((std::is_same<decltype(std::fegetround()), int>::value), ""); static_assert((std::is_same<decltype(std::fesetround(0)), int>::value), ""); static_assert((std::is_same<decltype(std::fegetenv(&fenv)), int>::value), ""); static_assert((std::is_same<decltype(std::feholdexcept(&fenv)), int>::value), ""); static_assert((std::is_same<decltype(std::fesetenv(&fenv)), int>::value), ""); static_assert((std::is_same<decltype(std::feupdateenv(&fenv)), int>::value), ""); }