diff options
Diffstat (limited to 'math/math.h')
| -rw-r--r-- | math/math.h | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/math/math.h b/math/math.h index dcccf8ea8c..5f5a498b11 100644 --- a/math/math.h +++ b/math/math.h @@ -58,8 +58,12 @@ __BEGIN_DECLS #endif #ifdef __USE_ISOC99 -/* Get machine-dependent INFINITY value. */ -# include <bits/inf.h> +/* IEEE positive infinity. */ +# if __GNUC_PREREQ (3, 3) +# define INFINITY (__builtin_inff ()) +# else +# define INFINITY HUGE_VALF +# endif /* Get machine-dependent NAN value (returned for some domain errors). */ # include <bits/nan.h> |