1#define FE_INVALID    1
2#define __FE_DENORM   2
3#define FE_DIVBYZERO  4
4#define FE_OVERFLOW   8
5#define FE_UNDERFLOW  16
6#define FE_INEXACT    32
7
8#define FE_ALL_EXCEPT 63
9
10#define FE_TONEAREST  0
11#define FE_DOWNWARD   0x400
12#define FE_UPWARD     0x800
13#define FE_TOWARDZERO 0xc00
14
15typedef unsigned short fexcept_t;
16
17typedef struct {
18	unsigned short __control_word;
19	unsigned short __unused1;
20	unsigned short __status_word;
21	unsigned short __unused2;
22	unsigned short __tags;
23	unsigned short __unused3;
24	unsigned int __eip;
25	unsigned short __cs_selector;
26	unsigned int __opcode:11;
27	unsigned int __unused4:5;
28	unsigned int __data_offset;
29	unsigned short __data_selector;
30	unsigned short __unused5;
31	unsigned int __mxcsr;
32} fenv_t;
33
34#define FE_DFL_ENV      ((const fenv_t *) -1)
35