diff options
Diffstat (limited to 'math/math.h')
| -rw-r--r-- | math/math.h | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/math/math.h b/math/math.h index 8cd641688d..394cefae02 100644 --- a/math/math.h +++ b/math/math.h @@ -531,6 +531,24 @@ extern int matherr (struct exception *__exc); #endif +#if __GLIBC_USE (IEC_60559_BFP_EXT) +/* Return X == Y but raising "invalid" and setting errno if X or Y is + a NaN. */ +# ifdef __NO_LONG_DOUBLE_MATH +# define iseqsig(x, y) \ + (sizeof ((x) + (y)) == sizeof (float) \ + ? __iseqsigf ((x), (y)) \ + : __iseqsig ((x), (y))) +# else +# define iseqsig(x, y) \ + (sizeof ((x) + (y)) == sizeof (float) \ + ? __iseqsigf ((x), (y)) \ + : sizeof ((x) + (y)) == sizeof (double) \ + ? __iseqsig ((x), (y)) \ + : __iseqsigl ((x), (y))) +# endif +#endif + __END_DECLS |