text: //===----------------------------------------------------------------------===//
  //
  //                     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 = {0};
      std::fexcept_t fex = 0;
      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), "");
  }
  