Lines Matching defs:xy

187 	struct dd xy, r;
253 	 *     (xy.hi, xy.lo) = x * y		(exact)
254 	 *     (r.hi, r.lo)   = xy.hi + z	(exact)
255 	 *     adj = xy.lo + r.lo		(inexact; low bit is sticky)
258 	xy = dd_mul(vxs, ys);
259 	r = dd_add(xy.hi, zs);
263 	if (r.hi == 0.0 && xy.lo == 0) {
270 		return (xy.hi + vzs);
281 		adj = vrlo + xy.lo;
285 	adj = add_adjusted(r.lo, xy.lo);