1 #if __HAVE_68881__ || __mcffpu__ 2 3 #define FE_INEXACT 8 4 #define FE_DIVBYZERO 16 5 #define FE_UNDERFLOW 32 6 #define FE_OVERFLOW 64 7 #define FE_INVALID 128 8 9 #define FE_ALL_EXCEPT 0xf8 10 11 #define FE_TONEAREST 0 12 #define FE_TOWARDZERO 16 13 #define FE_DOWNWARD 32 14 #define FE_UPWARD 48 15 16 #else 17 18 #define FE_ALL_EXCEPT 0 19 #define FE_TONEAREST 0 20 21 #endif 22 23 typedef unsigned fexcept_t; 24 25 typedef struct { 26 unsigned __control_register, __status_register, __instruction_address; 27 } fenv_t; 28 29 #define FE_DFL_ENV ((const fenv_t *) -1) 30