1 //===----------------------------------------------------------------------===//
2 //
3 // The LLVM Compiler Infrastructure
4 //
5 // This file is dual licensed under the MIT and the University of Illinois Open
6 // Source Licenses. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 //
10 // XFAIL: newlib
11
12 // <fenv.h>
13
14 #include <fenv.h>
15 #include <type_traits>
16
17 #ifndef FE_DIVBYZERO
18 #error FE_DIVBYZERO not defined
19 #endif
20
21 #ifndef FE_INEXACT
22 #error FE_INEXACT not defined
23 #endif
24
25 #ifndef FE_INVALID
26 #error FE_INVALID not defined
27 #endif
28
29 #ifndef FE_OVERFLOW
30 #error FE_OVERFLOW not defined
31 #endif
32
33 #ifndef FE_UNDERFLOW
34 #error FE_UNDERFLOW not defined
35 #endif
36
37 #ifndef FE_ALL_EXCEPT
38 #error FE_ALL_EXCEPT not defined
39 #endif
40
41 #ifndef FE_DOWNWARD
42 #error FE_DOWNWARD not defined
43 #endif
44
45 #ifndef FE_TONEAREST
46 #error FE_TONEAREST not defined
47 #endif
48
49 #ifndef FE_TOWARDZERO
50 #error FE_TOWARDZERO not defined
51 #endif
52
53 #ifndef FE_UPWARD
54 #error FE_UPWARD not defined
55 #endif
56
57 #ifndef FE_DFL_ENV
58 #error FE_DFL_ENV not defined
59 #endif
60
main()61 int main()
62 {
63 fenv_t fenv = {0};
64 fexcept_t fex = 0;
65 static_assert((std::is_same<decltype(feclearexcept(0)), int>::value), "");
66 static_assert((std::is_same<decltype(fegetexceptflag(&fex, 0)), int>::value), "");
67 static_assert((std::is_same<decltype(feraiseexcept(0)), int>::value), "");
68 static_assert((std::is_same<decltype(fesetexceptflag(&fex, 0)), int>::value), "");
69 static_assert((std::is_same<decltype(fetestexcept(0)), int>::value), "");
70 static_assert((std::is_same<decltype(fegetround()), int>::value), "");
71 static_assert((std::is_same<decltype(fesetround(0)), int>::value), "");
72 static_assert((std::is_same<decltype(fegetenv(&fenv)), int>::value), "");
73 static_assert((std::is_same<decltype(feholdexcept(&fenv)), int>::value), "");
74 static_assert((std::is_same<decltype(fesetenv(&fenv)), int>::value), "");
75 static_assert((std::is_same<decltype(feupdateenv(&fenv)), int>::value), "");
76 }
77