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				/*-
				* ====================================================
				* Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
				*
				* Developed at SunPro, a Sun Microsystems, Inc. business.
				* Permission to use, copy, modify, and distribute this
				* software is freely granted, provided that this notice
				* is preserved.
				* ====================================================
				*
				* k_sinf.c and k_cosf.c merged by Steven G. Kargl.
				*/

				#include <sys/cdefs.h>
				__FBSDID("$FreeBSD$");

				/* \|sin(x)/x - s(x)\| < 2*-37.5 (~[-4.89e-12, 4.824e-12]). /
				static const double
				S1 = -0x15555554cbac77.0p-55, /* -0.166666666416265235595 */
				S2 = 0x111110896efbb2.0p-59, /* 0.0083333293858894631756 */
				S3 = -0x1a00f9e2cae774.0p-65, /* -0.000198393348360966317347 */
				S4 = 0x16cd878c3b46a7.0p-71; /* 0.0000027183114939898219064 */

				/* \|cos(x) - c(x)\| < 2*-34.1 (~[-5.37e-11, 5.295e-11]). /
				static const double
				C0 = -0x1ffffffd0c5e81.0p-54, /* -0.499999997251031003120 */
				C1 = 0x155553e1053a42.0p-57, /* 0.0416666233237390631894 */
				C2 = -0x16c087e80f1e27.0p-62, /* -0.00138867637746099294692 */
				C3 = 0x199342e0ee5069.0p-68; /* 0.0000243904487962774090654 */

				static inline void
				__kernel_sincosdf(double x, float sn, float cs)
				{
				double r, s, w, z;

				z = x * x;
				w = z * z;
				r = S3 + z * S4;
				s = z * x;
				sn = (x + s (S1 + z * S2)) + s * w * r;
				r = C2 + z * C3;
				cs = ((1 + z C0) + w * C1) + (w * z) * r;
				}