Cross Reference: /frameworks/av/media/libstagefright/codecs/amrnb/enc/src/calc

Lines Matching defs:exp
158     Word16 i, exp, tmp;
175         exp = norm_l(s);
176         frac_en[0] = extract_h(L_shl(s, exp));
177         exp_en[0] = sub(15, exp);
185     exp = norm_l(s);
186     frac_en[1] = extract_h(L_shl(s, exp));
187     exp_en[1] = sub(15, exp);
194     exp = norm_l(s);
195     frac_en[2] = extract_h(L_shl(s, exp));
196     exp_en[2] = sub(16-14, exp);
208     exp = norm_l(s);
209     ltp_res_en = extract_h (L_shl (s, exp));
210     exp = sub (15, exp);
213     exp_en[3] = exp;
220         exp = sub (exp, exp_en[0]);
222         // L_temp = ltpGain * 2^(30 + exp)
225         L_temp = L_shr (L_temp, add (exp, 3));
284     Word16 exp;     /* nunmber of '0's or '1's before MSB != 0 */
339         exp = norm_l(s1);
340         frac_en[0] = (Word16)(L_shl(s1, exp, pOverflow) >> 16);
341         exp_en[0] = (15 - exp);
350     exp = norm_l(s2);
351     frac_en[1] = (Word16)(L_shl(s2, exp, pOverflow) >> 16);
352     exp_en[1] = sub(15, exp, pOverflow);
355     exp = norm_l(s3);
356     frac_en[2] = (Word16)(L_shl(s3, exp, pOverflow) >> 16);
357     exp_en[2]  = 2 - exp;
359     exp = norm_l(s4);
360     ltp_res_en = (Word16)(L_shl(s4, exp, pOverflow) >> 16);
361     exp = sub(15, exp, pOverflow);
364     exp_en[3] = exp;
372         exp = sub(exp, exp_en[0], pOverflow);
374         /* L_temp = ltpGain * 2^(30 + exp) */
377         L_temp = L_shr(L_temp, (Word16)(exp + 3), pOverflow);
483     Word16 i, exp, frac;
511     exp = norm_l(s);
512     frac_coeff[2] = extract_h(L_shl(s, exp));
513     exp_coeff[2] = sub(15 - 18, exp);
521     exp = norm_l(s);
522     frac_coeff[3] = negate(extract_h(L_shl(s, exp)));
523     exp_coeff[3] = sub(15 - 9 + 1, exp);
532     exp = norm_l(s);
533     frac_coeff[4] = extract_h(L_shl(s, exp));
534     exp_coeff[4] = sub(15 - 9 + 1, exp);
544         exp = norm_l(s);
545         frac = extract_h(L_shl(s, exp));
546         exp = sub(15 - 9, exp);
558                   = (frac>>1)/frac[2]             * 2^(exp+1-exp[2])
559                   = div_s(frac>>1, frac[2])*2^-15 * 2^(exp+1-exp[2])
560                   = div_s * 2^(exp-exp[2]-14)
563             *cod_gain_exp = sub (sub (exp, exp_coeff[2]), 14);
612     Word16 exp;     /* number of '0's or '1's before MSB != 0   */
652     exp = norm_l(s1);
653     frac_coeff[2] = (Word16)(L_shl(s1, exp, pOverflow) >> 16);
654     exp_coeff[2] = (-3 - exp);
656     exp = norm_l(s2);
657     frac_coeff[3] = negate((Word16)(L_shl(s2, exp, pOverflow) >> 16));
658     exp_coeff[3] = (7 - exp);
660     exp = norm_l(s3);
661     frac_coeff[4] = (Word16)(L_shl(s3, exp, pOverflow) >> 16);
662     exp_coeff[4] = sub(7, exp, pOverflow);
677         exp = norm_l(s1);
678         frac = (Word16)(L_shl(s1, exp, pOverflow) >> 16);
679         exp = (6 - exp);
690                 = (frac>>1)/frac[2]             * 2^(exp+1-exp[2])
691                 = div_s(frac>>1, frac[2])*2^-15 * 2^(exp+1-exp[2])
692                 = div_s * 2^(exp-exp[2]-14)
695             *cod_gain_exp = ((exp - exp_coeff[2]) - 14);
757     Word16 i, exp;
765     exp = norm_l(s);
766     *en_frac = extract_h(L_shl(s, exp));
767     *en_exp = sub(16, exp);
802     Word16 exp;
818     exp = norm_l(s);
819     *en_frac = (Word16)(L_shl(s, exp, pOverflow) >> 16);
820     *en_exp = (16 - exp);