1#define FE_INVALID    1
 2#define FE_DIVBYZERO  2
 3#define FE_OVERFLOW   4
 4#define FE_UNDERFLOW  8
 5#define FE_INEXACT    16
 6#define FE_ALL_EXCEPT 31
 7#define FE_TONEAREST  0
 8#define FE_DOWNWARD   0x800000
 9#define FE_UPWARD     0x400000
10#define FE_TOWARDZERO 0xc00000
11
12typedef unsigned int fexcept_t;
13
14typedef struct {
15	unsigned int __fpcr;
16	unsigned int __fpsr;
17} fenv_t;
18
19#define FE_DFL_ENV      ((const fenv_t *) -1)