diff options
Diffstat (limited to 'lib/msun/src/k_sin.c')
| -rw-r--r-- | lib/msun/src/k_sin.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/lib/msun/src/k_sin.c b/lib/msun/src/k_sin.c index fe2a56c..12ee8c1 100644 --- a/lib/msun/src/k_sin.c +++ b/lib/msun/src/k_sin.c @@ -11,9 +11,8 @@ * ==================================================== */ -#ifndef lint -static char rcsid[] = "$FreeBSD$"; -#endif +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); /* __kernel_sin( x, y, iy) * kernel sin function on ~[-pi/4, pi/4] (except on -0), pi/4 ~ 0.7854 @@ -60,11 +59,12 @@ S6 = 1.58969099521155010221e-10; /* 0x3DE5D93A, 0x5ACFD57C */ double __kernel_sin(double x, double y, int iy) { - double z,r,v; + double z,r,v,w; z = x*x; + w = z*z; + r = S2+z*(S3+z*S4) + z*w*(S5+z*S6); v = z*x; - r = S2+z*(S3+z*(S4+z*(S5+z*S6))); if(iy==0) return x+v*(S1+z*r); else return x-((z*(half*y-v*r)-y)-v*S1); } |
