Lines Matching defs:z0
2247 * x * y = z2 * b^2 + z1 * b + z0
2250 * z0 = xl * yl
2251 * z1 = (xh + xl) * (yh + yl) - z2 - z0
2273 /* copy t2 into low bytes of the result (z0) */
2281 /* copy 0 into low bytes of the result (z0) */
2397 VALUE z0, z1, z2, z3, z4, z, t;
2418 * z(b) = z0 * b^0 + z1 * b^1 + z2 * b^2 + z3 * b^3 + z4 * b^4
2420 * z0 = x0 * y0
2436 * (Step2) interpolating z0, z1, z2, z3, z4, and z5.
2505 * [Step2] interpolating z0, z1, z2, z3, z4, and z5.
2508 /* z0 <- z(0) == u0 */
2509 z0 = u0;
2546 MEMCPY(zds, BDIGITS(z0), BDIGIT, RBIGNUM_LEN(z0));
2547 MEMZERO(zds + RBIGNUM_LEN(z0), BDIGIT, zn - RBIGNUM_LEN(z0));