Lines Matching refs:y0
192 u_int y0, y1, y2, y3;
276 * The calculation `t = y + bit' breaks down into `t0 = y0, ...,
287 /* if (x >= (t0 = y0 | bit)) { */ /* always true */
290 y0 = bit << 1;
295 t0 = y0 | bit; /* t = y + bit */
299 y0 |= bit << 1; /* y += bit << 1 */
306 /* calculate q1. note (y0&1)==0. */
307 #define t0 y0
319 y0 |= 1; /* y += bit << 1 */
337 /* calculate q2. note (y1&1)==0; y0 (aka t0) is fixed. */
370 /* calculate q3. y0, t0, y1, t1 all fixed; y2, t2, almost done. */