Lines Matching defs:alpha
403 alpha -- Word16 -- gain adaptor factor (>0), Q15
483 Word16 alpha, /* i : gain adaptor factor (>0), Q15 */
521 underlined = constant; alp = FLP value of alpha, alpha = FIP
558 /* 0 < alpha <= 0.5 => 0.5 <= 1-alpha < 1, i.e one_alpha is normalized */
559 one_alpha = add(sub(32767, alpha, pOverflow), 1, pOverflow); /* 32768 - alpha */
562 /* alpha <= 0.5 -> mult. by 2 to keep precision; compensate in exponent */
563 L_t1 = L_mult(alpha, frac_en[1], pOverflow);
572 tmp = extract_h(L_shl(L_mult(alpha, frac_en[2], pOverflow), 1, pOverflow));
578 /* alpha <= 0.5 -> mult. by 2 to keep precision; compensate in exponent */
579 coeff[3] = extract_h(L_shl(L_mult(alpha, frac_en[3], pOverflow), 1, pOverflow));
588 L_tmp = L_mult(alpha, frac_en[0], pOverflow);
837 Word16 ltpg, alpha, gcode0;
875 /* run gain adaptor, calculate alpha factor to balance LTP/CB gain
879 gain_adapt(adapt_st, ltpg, *gain_cod, &alpha, pOverflow);
882 * calc_unfilt_energies) or alpha <= 0 then don't run the modified quantizer
884 if (frac_en[0] != 0 && alpha > 0)
898 frac_en, exp_en, alpha, gain_cod_unq,