3 #define FE_ALL_EXCEPT 0
9 #define FE_TOWARDZERO 1
11 #define FE_INEXACT 0x04
12 #define FE_UNDERFLOW 0x08
13 #define FE_OVERFLOW 0x10
14 #define FE_DIVBYZERO 0x20
15 #define FE_INVALID 0x40
16 #define FE_ALL_EXCEPT 0x7c
20 typedef unsigned long fexcept_t;
26 #define FE_DFL_ENV ((const fenv_t *) -1)