Lines Matching defs:z0
73 double z0, z1, z2, sign0, sign1, sign2, xh;184 z0 = ((y0 - t0 * xh) - t0 * (x0 - xh)) / (x0 + y0 * t0);417 x0 = z0 * z0;421 t0 = ah0 + (z0 + (al0 + (z0 * x0) * (p1 + x0 *448 x0 = z0 * z0;449 t0 = ah0 + (z0 + (al0 + (z0 * x0) * (p1 + x0 *