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Diffstat (limited to 'sysdeps/libm-ieee754/s_ccosh.c')
-rw-r--r--sysdeps/libm-ieee754/s_ccosh.c7
1 files changed, 3 insertions, 4 deletions
diff --git a/sysdeps/libm-ieee754/s_ccosh.c b/sysdeps/libm-ieee754/s_ccosh.c
index 1e92f03771..394101f23a 100644
--- a/sysdeps/libm-ieee754/s_ccosh.c
+++ b/sysdeps/libm-ieee754/s_ccosh.c
@@ -32,8 +32,6 @@ __ccosh (__complex__ double x)
int rcls = fpclassify (__real__ x);
int icls = fpclassify (__imag__ x);
- __real__ x = fabs (__real__ x);
-
if (rcls >= FP_ZERO)
{
/* Real part is finite. */
@@ -67,7 +65,7 @@ __ccosh (__complex__ double x)
{
/* Imaginary part is 0.0. */
__real__ retval = HUGE_VAL;
- __imag__ retval = __imag__ x;
+ __imag__ retval = __imag__ x * __copysign (1.0, __real__ x);
}
else if (icls > FP_ZERO)
{
@@ -77,7 +75,8 @@ __ccosh (__complex__ double x)
__sincos (__imag__ x, &sinix, &cosix);
__real__ retval = __copysign (HUGE_VAL, cosix);
- __imag__ retval = __copysign (HUGE_VAL, sinix);
+ __imag__ retval = (__copysign (HUGE_VAL, sinix)
+ * __copysign (1.0, __real__ x));
}
else
{