diff options
Diffstat (limited to 'sysdeps/libm-ieee754/s_ctanh.c')
| -rw-r--r-- | sysdeps/libm-ieee754/s_ctanh.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/sysdeps/libm-ieee754/s_ctanh.c b/sysdeps/libm-ieee754/s_ctanh.c index 7c9b3197ef..a16f9c8d02 100644 --- a/sysdeps/libm-ieee754/s_ctanh.c +++ b/sysdeps/libm-ieee754/s_ctanh.c @@ -48,11 +48,15 @@ __ctanh (__complex__ double x) } else { - double den = (__ieee754_cosh (2.0 * __real__ x) - + __cos (2.0 * __imag__ x)); + double sin2ix, cos2ix; + double den; + + __sincos (2.0 * __imag__ x, &sin2ix, &cos2ix); + + den = (__ieee754_cosh (2.0 * __real__ x) + cos2ix); __real__ res = __ieee754_sinh (2.0 * __real__ x) / den; - __imag__ res = __sin (2.0 * __imag__ x) / den; + __imag__ res = sin2ix / den; } return res; |