aboutsummaryrefslogtreecommitdiff
path: root/sysdeps/libm-ieee754/s_catanhf.c
diff options
context:
space:
mode:
Diffstat (limited to 'sysdeps/libm-ieee754/s_catanhf.c')
-rw-r--r--sysdeps/libm-ieee754/s_catanhf.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/sysdeps/libm-ieee754/s_catanhf.c b/sysdeps/libm-ieee754/s_catanhf.c
index 5d195be905..ac0ed17edb 100644
--- a/sysdeps/libm-ieee754/s_catanhf.c
+++ b/sysdeps/libm-ieee754/s_catanhf.c
@@ -62,17 +62,17 @@ __catanhf (__complex__ float x)
i2 = __imag__ x * __imag__ x;
- num = 1.0 - __real__ x;
+ num = 1.0 + __real__ x;
num = i2 + num * num;
- den = 1.0 + __real__ x;
+ den = 1.0 - __real__ x;
den = i2 + den * den;
- __real__ res = 0.25 * __ieee754_logf (num / den);
+ __real__ res = 0.25 * (__ieee754_logf (num) - __ieee754_logf (den));
den = 1 - __real__ x * __real__ x - i2;
- __imag__ res = 0.5 * __atanf ((2.0 * __imag__ x) / den);
+ __imag__ res = 0.5 * __ieee754_atan2f (2.0 * __imag__ x, den);
}
return res;