diff options
| author | Richard B. Kreckel <kreckel@ginac.de> | 2011-10-27 11:00:25 +0000 |
|---|---|---|
| committer | Paolo Carlini <paolo@gcc.gnu.org> | 2011-10-27 11:00:25 +0000 |
| commit | 259f206328b3de4f4d35ffd22540ba2e75248646 (patch) | |
| tree | 620e30a17939bf79786ab66334d4b0041cd8c78d /libstdc++-v3/include/tr1 | |
| parent | e7a7929d91e79912fc626ba178d8ee7bd68bed5e (diff) | |
| download | gcc-259f206328b3de4f4d35ffd22540ba2e75248646.tar.gz | |
re PR libstdc++/50880 (__complex_acosh() picks wrong complex branch)
2011-10-27 Richard B. Kreckel <kreckel@ginac.de>
Paolo Carlini <paolo.carlini@oracle.com>
PR libstdc++/50880
* include/std/complex (__complex_acosh): Fix for __z.real() < 0.
* include/tr1/complex (__complex_acosh): Likewise.
* testsuite/26_numerics/complex/50880.cc: New.
* testsuite/tr1/8_c_compatibility/complex/50880.cc: Likewise.
Co-Authored-By: Paolo Carlini <paolo.carlini@oracle.com>
From-SVN: r180563
Diffstat (limited to 'libstdc++-v3/include/tr1')
| -rw-r--r-- | libstdc++-v3/include/tr1/complex | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/libstdc++-v3/include/tr1/complex b/libstdc++-v3/include/tr1/complex index fc213b8f1d5..d29b13fe8b8 100644 --- a/libstdc++-v3/include/tr1/complex +++ b/libstdc++-v3/include/tr1/complex @@ -189,6 +189,8 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION * (__z.real() + __z.imag()) - _Tp(1.0), _Tp(2.0) * __z.real() * __z.imag()); __t = std::sqrt(__t); + if (__z.real() < _Tp(-0.0)) + __t = -__t; return std::log(__t + __z); } |