summaryrefslogtreecommitdiff
path: root/sysdeps/libm-ieee754/s_csinh.c
diff options
context:
space:
mode:
Diffstat (limited to 'sysdeps/libm-ieee754/s_csinh.c')
-rw-r--r--sysdeps/libm-ieee754/s_csinh.c17
1 files changed, 12 insertions, 5 deletions
diff --git a/sysdeps/libm-ieee754/s_csinh.c b/sysdeps/libm-ieee754/s_csinh.c
index 05cec85e7c..98f06a558f 100644
--- a/sysdeps/libm-ieee754/s_csinh.c
+++ b/sysdeps/libm-ieee754/s_csinh.c
@@ -40,10 +40,13 @@ __csinh (__complex__ double x)
if (icls >= FP_ZERO)
{
/* Imaginary part is finite. */
- double sinh_val = __ieee754_sinh (__real__ x);
+ double sinh_val = __ieee754_sinh (__real__ x);
+ double sinix, cosix;
- __real__ retval = sinh_val * __cos (__imag__ x);
- __imag__ retval = sinh_val * __sin (__imag__ x);
+ __sincos (__imag__ x, &sinix, &cosix);
+
+ __real__ retval = sinh_val * cosix;
+ __imag__ retval = sinh_val * sinix;
if (negate)
__real__ retval = -__real__ retval;
@@ -75,8 +78,12 @@ __csinh (__complex__ double x)
else if (icls > FP_ZERO)
{
/* Imaginary part is finite. */
- __real__ retval = __copysign (HUGE_VAL, __cos (__imag__ x));
- __imag__ retval = __copysign (HUGE_VAL, __sin (__imag__ x));
+ double sinix, cosix;
+
+ __sincos (__imag__ x, &sinix, &cosix);
+
+ __real__ retval = __copysign (HUGE_VAL, cosix);
+ __imag__ retval = __copysign (HUGE_VAL, sinix);
if (negate)
__real__ retval = -__real__ retval;