#define FE_INVALID    1

#define __FE_DENORM   2

#define FE_DIVBYZERO  4

#define FE_OVERFLOW   8

#define FE_UNDERFLOW  16

#define FE_INEXACT    32

#define FE_ALL_EXCEPT 63

#define FE_TONEAREST  0

#define FE_DOWNWARD   0x400

#define FE_UPWARD     0x800

#define FE_TOWARDZERO 0xc00

typedef unsigned short fexcept_t;

typedef struct {

	unsigned short __control_word;

	unsigned short __unused1;

	unsigned short __status_word;

	unsigned short __unused2;

	unsigned short __tags;

	unsigned short __unused3;

	unsigned int __eip;

	unsigned short __cs_selector;

	unsigned int __opcode:11;

	unsigned int __unused4:5;

	unsigned int __data_offset;

	unsigned short __data_selector;

	unsigned short __unused5;

	unsigned int __mxcsr;

} fenv_t;

#define FE_DFL_ENV      ((const fenv_t *) -1)