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Diffstat (limited to 'libquadmath/math/casinhq.c')
| -rw-r--r-- | libquadmath/math/casinhq.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/libquadmath/math/casinhq.c b/libquadmath/math/casinhq.c index ffa45fa81d9..11487b967fc 100644 --- a/libquadmath/math/casinhq.c +++ b/libquadmath/math/casinhq.c @@ -72,6 +72,11 @@ casinhq (__complex128 x) __imag__ y += __imag__ x; res = clogq (y); + + /* Ensure zeros have correct sign and results are correct if + very close to branch cuts. */ + __real__ res = copysignq (__real__ res, __real__ x); + __imag__ res = copysignq (__imag__ res, __imag__ x); } return res; |