Lines Matching defs:y1
64 Word16 y1[], /* (i) Q_xn: Adaptive codebook. */
65 Word16 Q_xn, /* (i) : xn and y1 format */
68 Word16 g_coeff[], /* (i) : Correlations <xn y1> <y1 y1> */
130 * coeff[0] = y1 y1 *
131 * coeff[1] = -2 xn y1 *
134 * coeff[4] = 2 y1 y2 *
136 * Product <y1 y1> and <xn y1> have been compute in G_pitch() and *
142 coeff[1] = negate(g_coeff[2]); /* coeff[1] = -2 xn y1 */
162 /* Compute scalar product 2*<y1[],y2[]> */
164 coeff[4] = extract_h(Dot_product12_asm(y1, y2, L_subfr, &exp));
166 coeff[4] = extract_h(Dot_product12(y1, y2, L_subfr, &exp));
168 exp_coeff[4] = (exp - 8) + Q_xn; /* -9 (y2 Q9), +1 (2 y1 y2) */