diff options
| author | Dimitry Andric <dim@FreeBSD.org> | 2020-01-17 20:45:01 +0000 |
|---|---|---|
| committer | Dimitry Andric <dim@FreeBSD.org> | 2020-01-17 20:45:01 +0000 |
| commit | 706b4fc47bbc608932d3b491ae19a3b9cde9497b (patch) | |
| tree | 4adf86a776049cbf7f69a1929c4babcbbef925eb /libcxx/include/math.h | |
| parent | 7cc9cf2bf09f069cb2dd947ead05d0b54301fb71 (diff) | |
Notes
Diffstat (limited to 'libcxx/include/math.h')
| -rw-r--r-- | libcxx/include/math.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/libcxx/include/math.h b/libcxx/include/math.h index 194df2077bb1..c9b4733e9c44 100644 --- a/libcxx/include/math.h +++ b/libcxx/include/math.h @@ -510,7 +510,11 @@ _LIBCPP_INLINE_VISIBILITY bool __libcpp_isnan(_A1 __lcpp_x) _NOEXCEPT { +#if __has_builtin(__builtin_isnan) + return __builtin_isnan(__lcpp_x); +#else return isnan(__lcpp_x); +#endif } #undef isnan |