fenv.h raw

   1  #define FE_TONEAREST	0
   2  #define FE_TOWARDZERO	1
   3  #define FE_UPWARD	2
   4  #define FE_DOWNWARD	3
   5  
   6  #define FE_INEXACT	0x00080000
   7  #define FE_UNDERFLOW	0x00100000
   8  #define FE_OVERFLOW	0x00200000
   9  #define FE_DIVBYZERO	0x00400000
  10  #define FE_INVALID	0x00800000
  11  
  12  #define FE_ALL_EXCEPT	0x00f80000
  13  
  14  typedef unsigned fexcept_t;
  15  typedef unsigned fenv_t;
  16  
  17  #define FE_DFL_ENV ((const fenv_t *)-1)
  18