include/fenv.h

   1 #ifndef _FENV_H
   2 #include <math/fenv.h>
   3
   4 #ifndef _ISOMAC
   5 # include <stdbool.h>
   6 /* Now define the internal interfaces.  */
   7
   8 extern int __feclearexcept (int __excepts);
   9 extern int __fegetexcept (void);
  10 extern int __fegetexceptflag (fexcept_t *__flagp, int __excepts);
  11 extern int __feraiseexcept (int __excepts);
  12 extern int __fesetexceptflag (const fexcept_t *__flagp, int __excepts);
  13 extern int __fegetenv (fenv_t *__envp);
  14 extern int __fesetenv (const fenv_t *__envp);
  15 extern int __feupdateenv (const fenv_t *__envp);
  16
  17 libm_hidden_proto (feraiseexcept)
  18 libm_hidden_proto (__feraiseexcept)
  19 libm_hidden_proto (fegetenv)
  20 libm_hidden_proto (__fegetenv)
  21 libm_hidden_proto (fegetround)
  22 libm_hidden_proto (fesetenv)
  23 libm_hidden_proto (fesetround)
  24 libm_hidden_proto (feholdexcept)
  25 libm_hidden_proto (feupdateenv)
  26 libm_hidden_proto (fetestexcept)
  27 libm_hidden_proto (feclearexcept)
  28
  29 /* Rounding mode context.  This allows functions to set/restore rounding mode
  30    only when the desired rounding mode is different from the current rounding
  31    mode.  */
  32 struct rm_ctx
  33 {
  34   fenv_t env;
  35   bool updated_status;
  36 };
  37 #endif
  38
  39 #endif