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 extern __typeof (fegetround) __fegetround;
  17
  18 libm_hidden_proto (feraiseexcept)
  19 libm_hidden_proto (__feraiseexcept)
  20 libm_hidden_proto (fegetenv)
  21 libm_hidden_proto (__fegetenv)
  22 libm_hidden_proto (fegetround)
  23 libm_hidden_proto (__fegetround)
  24 libm_hidden_proto (fesetenv)
  25 libm_hidden_proto (fesetround)
  26 libm_hidden_proto (feholdexcept)
  27 libm_hidden_proto (feupdateenv)
  28 libm_hidden_proto (fetestexcept)
  29 libm_hidden_proto (feclearexcept)
  30
  31 /* Rounding mode context.  This allows functions to set/restore rounding mode
  32    only when the desired rounding mode is different from the current rounding
  33    mode.  */
  34 struct rm_ctx
  35 {
  36   fenv_t env;
  37   bool updated_status;
  38 };
  39 #endif
  40
  41 #endif