/* |cos(x) - c(x)| < 2**-34.1 (~[-5.37e-11, 5.295e-11]). */
static const double
-one = 1.0,
C0 = -0x1ffffffd0c5e81.0p-54, /* -0.499999997251031003120 */
C1 = 0x155553e1053a42.0p-57, /* 0.0416666233237390631894 */
C2 = -0x16c087e80f1e27.0p-62, /* -0.00138867637746099294692 */
z = x*x;
w = z*z;
r = C2+z*C3;
- return ((one+z*C0) + w*C1) + (w*z)*r;
+ return ((1.0+z*C0) + w*C1) + (w*z)*r;
}