include/fenv.h

   1 #ifndef _FENV_H
   2 #define _FENV_H
   3
   4 #include <stdint.h>
   5
   6 #define FE_TONEAREST  1
   7 #define FE_DOWNWARD   2
   8 #define FE_UPWARD     3
   9 #define FE_TOWARDZERO 4
  10
  11 typedef struct
  12 {
  13         u16_t cw;
  14         u16_t sw;
  15 } fenv_t;
  16
  17 int feholdexcept(fenv_t *envp);
  18 int fegetround(void);
  19 int fesetround(int round);
  20
  21 #endif