#include "libm.h"
static const double
-one = 1.00000000000000000000e+00, /* 0x3FF00000, 0x00000000 */
C1 = 4.16666666666666019037e-02, /* 0x3FA55555, 0x5555554C */
C2 = -1.38888888888741095749e-03, /* 0xBF56C16C, 0x16C15177 */
C3 = 2.48015872894767294178e-05, /* 0x3EFA01A0, 0x19CB1590 */
double __cos(double x, double y)
{
- double hz,z,r,w;
+ double_t hz,z,r,w;
z = x*x;
w = z*z;
r = z*(C1+z*(C2+z*C3)) + w*w*(C4+z*(C5+z*C6));
hz = 0.5*z;
- w = one-hz;
- return w + (((one-w)-hz) + (z*r-x*y));
+ w = 1.0-hz;
+ return w + (((1.0-w)-hz) + (z*r-x*y));
}