diff options
| -rw-r--r-- | libcxx/include/complex | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libcxx/include/complex b/libcxx/include/complex index 2943da1d775..565e1114a06 100644 --- a/libcxx/include/complex +++ b/libcxx/include/complex @@ -1399,7 +1399,7 @@ acos(const complex<_Tp>& __x) } if (isinf(__x.imag())) return complex<_Tp>(__pi/_Tp(2), -__x.imag()); - if (__x.real() == 0) + if (__x.real() == 0 && (__x.imag() == 0 || isnan(__x.imag()))) return complex<_Tp>(__pi/_Tp(2), -__x.imag()); complex<_Tp> __z = log(__x + sqrt(pow(__x, _Tp(2)) - _Tp(1))); if (signbit(__x.imag())) |
