diff options
Diffstat (limited to 'math/math.h')
| -rw-r--r-- | math/math.h | 25 |
1 files changed, 17 insertions, 8 deletions
diff --git a/math/math.h b/math/math.h index 7e41b0d..dcccf8e 100644 --- a/math/math.h +++ b/math/math.h @@ -37,18 +37,27 @@ __BEGIN_DECLS /* Gather machine dependent type support. */ #include <bits/floatn.h> -/* Get machine-dependent HUGE_VAL value (returned on overflow). - On all IEEE754 machines, this is +Infinity. */ -#include <bits/huge_val.h> - +/* Value returned on overflow. On all IEEE754 machines, this is + +Infinity. */ +#if __GNUC_PREREQ (3, 3) +# define HUGE_VAL (__builtin_huge_val ()) +#else +# define HUGE_VAL 1e10000 +#endif +#ifdef __USE_ISOC99 +# if __GNUC_PREREQ (3, 3) +# define HUGE_VALF (__builtin_huge_valf ()) +# define HUGE_VALL (__builtin_huge_vall ()) +# else +# define HUGE_VALF 1e10000f +# define HUGE_VALL 1e10000L +# endif +#endif #if __HAVE_FLOAT128 && __GLIBC_USE (IEC_60559_TYPES_EXT) -# include <bits/huge_val_flt128.h> +# define HUGE_VAL_F128 (__builtin_huge_valf128 ()) #endif #ifdef __USE_ISOC99 -# include <bits/huge_valf.h> -# include <bits/huge_vall.h> - /* Get machine-dependent INFINITY value. */ # include <bits/inf.h> |