#ifndef _FENV_H #include #ifndef _ISOMAC /* Now define the internal interfaces. */ extern int __feclearexcept (int __excepts); extern int __fegetexcept (void); extern int __fegetexceptflag (fexcept_t *__flagp, int __excepts); extern int __feraiseexcept (int __excepts); extern int __fesetexceptflag (const fexcept_t *__flagp, int __excepts); extern int __fegetenv (fenv_t *__envp); extern int __fesetenv (const fenv_t *__envp); extern int __feupdateenv (const fenv_t *__envp); libm_hidden_proto (feraiseexcept) libm_hidden_proto (fegetenv) libm_hidden_proto (fesetenv) libm_hidden_proto (fesetround) libm_hidden_proto (feholdexcept) libm_hidden_proto (feupdateenv) libm_hidden_proto (fetestexcept) #endif #endif