diff options
Diffstat (limited to 'lib/msun/src/k_exp.c')
-rw-r--r-- | lib/msun/src/k_exp.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/lib/msun/src/k_exp.c b/lib/msun/src/k_exp.c index c6dfc953c39d..dd15ff4cb0ed 100644 --- a/lib/msun/src/k_exp.c +++ b/lib/msun/src/k_exp.c @@ -88,7 +88,7 @@ __ldexp_exp(double x, int expt) double complex __ldexp_cexp(double complex z, int expt) { - double x, y, exp_x, scale1, scale2; + double c, exp_x, s, scale1, scale2, x, y; int ex_expt, half_expt; x = creal(z); @@ -105,6 +105,7 @@ __ldexp_cexp(double complex z, int expt) half_expt = expt - half_expt; INSERT_WORDS(scale2, (0x3ff + half_expt) << 20, 0); - return (CMPLX(cos(y) * exp_x * scale1 * scale2, - sin(y) * exp_x * scale1 * scale2)); + sincos(y, &s, &c); + return (CMPLX(c * exp_x * scale1 * scale2, + s * exp_x * scale1 * scale2)); } |