Lines Matching defs:xy
168 struct dd xy, r;
234 * (xy.hi, xy.lo) = x * y (exact)
235 * (r.hi, r.lo) = xy.hi + z (exact)
236 * adj = xy.lo + r.lo (inexact; low bit is sticky)
239 xy = dd_mul(vxs, ys);
240 r = dd_add(xy.hi, zs);
244 if (r.hi == 0.0 && xy.lo == 0) {
251 return (xy.hi + vzs);
262 adj = vrlo + xy.lo;
266 adj = add_adjusted(r.lo, xy.lo);