Lines Matching defs:z1
73 double z0, z1, z2, sign0, sign1, sign2, xh;299 z1 = ((y1 - t1 * xh) - t1 * (x1 - xh)) / (x1 + y1 * t1);418 x1 = z1 * z1;423 t1 = ah1 + (z1 + (al1 + (z1 * x1) * (p1 + x1 *442 x1 = z1 * z1;443 t1 = ah1 + (z1 + (al1 + (z1 * x1) * (p1 + x1 *