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- #ifndef _FENV_H
- #define _FENV_H 1
- #include <features.h>
- #include <bits/fenv.h>
- __BEGIN_DECLS
- extern int feclearexcept (int __excepts) __THROW;
- extern int fegetexceptflag (fexcept_t *__flagp, int __excepts) __THROW;
- extern int feraiseexcept (int __excepts) __THROW;
- extern int fesetexceptflag (const fexcept_t *__flagp, int __excepts) __THROW;
- extern int fetestexcept (int __excepts) __THROW;
- extern int fegetround (void) __THROW;
- extern int fesetround (int __rounding_direction) __THROW;
- extern int fegetenv (fenv_t *__envp) __THROW;
- extern int feholdexcept (fenv_t *__envp) __THROW;
- extern int fesetenv (const fenv_t *__envp) __THROW;
- extern int feupdateenv (const fenv_t *__envp) __THROW;
- #ifdef __OPTIMIZE__
- # include <bits/fenvinline.h>
- #endif
- #ifdef __USE_GNU
- extern int feenableexcept (int __excepts) __THROW;
- extern int fedisableexcept (int __excepts) __THROW;
- extern int fegetexcept (void) __THROW;
- #endif
- __END_DECLS
- #endif
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