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Diffstat (limited to 'sysdeps/libm-ieee754/s_cexpf.c')
-rw-r--r--sysdeps/libm-ieee754/s_cexpf.c19
1 files changed, 13 insertions, 6 deletions
diff --git a/sysdeps/libm-ieee754/s_cexpf.c b/sysdeps/libm-ieee754/s_cexpf.c
index 0d4372103b..99f33dc873 100644
--- a/sysdeps/libm-ieee754/s_cexpf.c
+++ b/sysdeps/libm-ieee754/s_cexpf.c
@@ -38,16 +38,19 @@ __cexpf (__complex__ float x)
{
/* Imaginary part is finite. */
float exp_val = __ieee754_expf (__real__ x);
+ float sinix, cosix;
+
+ __sincosf (__imag__ x, &sinix, &cosix);
if (isfinite (exp_val))
{
- __real__ retval = exp_val * __cosf (__imag__ x);
- __imag__ retval = exp_val * __sinf (__imag__ x);
+ __real__ retval = exp_val * cosix;
+ __imag__ retval = exp_val * sinix;
}
else
{
- __real__ retval = __copysignf (exp_val, __cosf (__imag__ x));
- __imag__ retval = __copysignf (exp_val, __sinf (__imag__ x));
+ __real__ retval = __copysignf (exp_val, cosix);
+ __imag__ retval = __copysignf (exp_val, sinix);
}
}
else
@@ -74,8 +77,12 @@ __cexpf (__complex__ float x)
}
else
{
- __real__ retval = __copysignf (value, __cosf (__imag__ x));
- __imag__ retval = __copysignf (value, __sinf (__imag__ x));
+ float sinix, cosix;
+
+ __sincosf (__imag__ x, &sinix, &cosix);
+
+ __real__ retval = __copysignf (value, cosix);
+ __imag__ retval = __copysignf (value, sinix);
}
}
else if (signbit (__real__ x) == 0)