diff options
Diffstat (limited to 'math/s_ctanhf.c')
| -rw-r--r-- | math/s_ctanhf.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/math/s_ctanhf.c b/math/s_ctanhf.c index 9d15c3e..3ce8ac1 100644 --- a/math/s_ctanhf.c +++ b/math/s_ctanhf.c @@ -33,7 +33,14 @@ __ctanhf (__complex__ float x) if (__isinf_nsf (__real__ x)) { __real__ res = __copysignf (1.0, __real__ x); - __imag__ res = __copysignf (0.0, __imag__ x); + if (isfinite (__imag__ x) && fabsf (__imag__ x) > 1.0f) + { + float sinix, cosix; + __sincosf (__imag__ x, &sinix, &cosix); + __imag__ res = __copysignf (0.0f, sinix * cosix); + } + else + __imag__ res = __copysignf (0.0, __imag__ x); } else if (__imag__ x == 0.0) { |