Lines Matching defs:hxs
132 /* Scaled Q's: Qn_here = 2**n * Qn_above, for R(2*z) where z = hxs = x*x/2: */
142 double y, hi, lo, c, e, hxs, hfx, r1;
232 hxs = x * hfx;
233 r1 = one + hxs * (Q1 + hxs * (Q2 + hxs * (Q3 + hxs * (Q4 + hxs * Q5))));
235 e = hxs * ((r1 - t.dbl) / (6.0 - x * t.dbl));
239 return x - (x * e - hxs);
246 e -= hxs;