1#if defined(_SOFT_FLOAT) || defined(__NO_FPRS__)
 2#define FE_ALL_EXCEPT 0
 3#define FE_TONEAREST  0
 4#else
 5#define FE_TONEAREST	0
 6#define FE_TOWARDZERO	1
 7#define FE_UPWARD	2
 8#define FE_DOWNWARD	3
 9
10#define FE_INEXACT	0x02000000
11#define FE_DIVBYZERO	0x04000000
12#define FE_UNDERFLOW	0x08000000
13#define FE_OVERFLOW	0x10000000
14#define FE_INVALID	0x20000000
15
16#define FE_ALL_EXCEPT	0x3e000000
17
18#ifdef _GNU_SOURCE
19#define FE_INVALID_SNAN		0x01000000
20#define FE_INVALID_ISI		0x00800000
21#define FE_INVALID_IDI		0x00400000
22#define FE_INVALID_ZDZ		0x00200000
23#define FE_INVALID_IMZ		0x00100000
24#define FE_INVALID_COMPARE	0x00080000
25#define FE_INVALID_SOFTWARE	0x00000400
26#define FE_INVALID_SQRT		0x00000200
27#define FE_INVALID_INTEGER_CONVERSION	0x00000100
28
29#define FE_ALL_INVALID		0x01f80700
30#endif
31#endif
32
33typedef unsigned fexcept_t;
34typedef double fenv_t;
35
36#define FE_DFL_ENV ((const fenv_t *)-1)