diff options
Diffstat (limited to 'libstdc++-v3/include/c_global/cmath')
| -rw-r--r-- | libstdc++-v3/include/c_global/cmath | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/libstdc++-v3/include/c_global/cmath b/libstdc++-v3/include/c_global/cmath index 4cafe5f7fe3..d3fc8b7f39c 100644 --- a/libstdc++-v3/include/c_global/cmath +++ b/libstdc++-v3/include/c_global/cmath @@ -880,7 +880,11 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION signbit(_Tp __f) { typedef typename __gnu_cxx::__promote<_Tp>::__type __type; - return __builtin_signbit(__type(__f)); + return sizeof(__type) == sizeof(float) + ? __builtin_signbitf(__type(__f)) + : sizeof(__type) == sizeof(double) + ? __builtin_signbit(__type(__f)) + : __builtin_signbitl(__type(__f)); } template<typename _Tp> |