diff options
Diffstat (limited to 'math/fenv.h')
| -rw-r--r-- | math/fenv.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/math/fenv.h b/math/fenv.h index 9006aa2fff..f7834472d8 100644 --- a/math/fenv.h +++ b/math/fenv.h @@ -145,6 +145,14 @@ extern int fesetmode (const femode_t *__modep) __THROW; # include <bits/fenvinline.h> #endif +/* NaN support. */ + +#if (__GLIBC_USE (IEC_60559_BFP_EXT) \ + && defined FE_INVALID \ + && defined __SUPPORT_SNAN__) +# define FE_SNANS_ALWAYS_SIGNAL 1 +#endif + #ifdef __USE_GNU /* Enable individual exceptions. Will not enable more exceptions than |