56 static FLOAT32 ixheaacd_randomsign(UWORD32 *seed);
59 VOID ixheaacd_lpc_coeff_wt_apply(FLOAT32 *a, FLOAT32 *ap) {  in ixheaacd_lpc_coeff_wt_apply()
60   FLOAT32 f;  in ixheaacd_lpc_coeff_wt_apply()
71 WORD8 ixheaacd_float2fix(FLOAT32 *x, WORD32 *int_x, WORD32 length) {  in ixheaacd_float2fix()
73   FLOAT32 ftemp = 0.0;  in ixheaacd_float2fix()
83     int_x[k] = (WORD32)(x[k] * (FLOAT32)((WORD64)1 << shiftp));  in ixheaacd_float2fix()
89 VOID ixheaacd_fix2float(WORD32 *int_xn1, FLOAT32 *xn1, WORD32 length,  in ixheaacd_fix2float()
92   FLOAT32 qfac;  in ixheaacd_fix2float()
94     qfac = 1.0f / (FLOAT32)((WORD64)1 << (*shiftp - *preshift));  in ixheaacd_fix2float()
96       xn1[k] = (FLOAT32)((FLOAT32)int_xn1[k] * qfac);  in ixheaacd_fix2float()
100       xn1[k] = (FLOAT32)((FLOAT32)int_xn1[k] *  in ixheaacd_fix2float()
101                          (FLOAT32)((WORD64)1 << (*preshift - *shiftp)));  in ixheaacd_fix2float()
106 static VOID ixheaacd_low_fq_deemphasis(FLOAT32 x[], WORD32 lg,  in ixheaacd_low_fq_deemphasis()
107                                        FLOAT32 gains[]) {  in ixheaacd_low_fq_deemphasis()
109   FLOAT32 max, factor, rm;  in ixheaacd_low_fq_deemphasis()
127     rm = (FLOAT32)sqrt(rm / max);  in ixheaacd_low_fq_deemphasis()
140                          WORD32 frame_index, FLOAT32 lp_flt_coff_a[], WORD32 lg,  in ixheaacd_tcx_mdct()
144   FLOAT32 tmp, gain_tcx, noise_level, energy, temp;  in ixheaacd_tcx_mdct()
145   FLOAT32 *ptr_a, i_ap[ORDER + 1];  in ixheaacd_tcx_mdct()
146   const FLOAT32 *sine_window_prev, *sine_window;  in ixheaacd_tcx_mdct()
148   FLOAT32 alfd_gains[LEN_SUPERFRAME / (4 * 8)];  in ixheaacd_tcx_mdct()
149   FLOAT32 x[LEN_SUPERFRAME], buf[ORDER + LEN_SUPERFRAME];  in ixheaacd_tcx_mdct()
152   FLOAT32 gain1[LEN_SUPERFRAME], gain2[LEN_SUPERFRAME];  in ixheaacd_tcx_mdct()
153   FLOAT32 xn_buf[LEN_SUPERFRAME + (2 * FAC_LENGTH)];  in ixheaacd_tcx_mdct()
154   FLOAT32 *xn;  in ixheaacd_tcx_mdct()
155   FLOAT32 xn1[2 * FAC_LENGTH], facwindow[2 * FAC_LENGTH];  in ixheaacd_tcx_mdct()
160   FLOAT32 *exc = &usac_data->exc_buf[usac_data->len_subfrm * frame_index +  in ixheaacd_tcx_mdct()
162   FLOAT32 *synth =  in ixheaacd_tcx_mdct()
214       (8.0f - ((FLOAT32)pstr_td_frame_data->noise_factor[frame_index]));  in ixheaacd_tcx_mdct()
220   for (i = 0; i < lg; i++) x[i] = (FLOAT32)ptr_tcx_quant[i];  in ixheaacd_tcx_mdct()
224     FLOAT32 tmp = 0.0f;  in ixheaacd_tcx_mdct()
248   temp = (FLOAT32)sqrt(energy) / lg;  in ixheaacd_tcx_mdct()
251       (FLOAT32)pow(  in ixheaacd_tcx_mdct()
253           ((FLOAT32)pstr_td_frame_data->global_gain[frame_index]) / 28.0f) /  in ixheaacd_tcx_mdct()
270       gain_tcx * 0.5f * (FLOAT32)sqrt(((FLOAT32)fac_length) / (FLOAT32)lg);  in ixheaacd_tcx_mdct()
286              (FLOAT32)pstr_td_frame_data->fac[frame_index * FAC_LENGTH + 2 * i];  in ixheaacd_tcx_mdct()
289           (FLOAT32)pstr_td_frame_data  in ixheaacd_tcx_mdct()
307     ixheaacd_vec_cnst_mul((2.0f / (FLOAT32)fac_length), xn1, xn1, fac_length);  in ixheaacd_tcx_mdct()
309     memset(xn1 + fac_length, 0, fac_length * sizeof(FLOAT32));  in ixheaacd_tcx_mdct()
380 static FLOAT32 ixheaacd_randomsign(UWORD32 *seed) {  in ixheaacd_randomsign()
381   FLOAT32 sign = 0.0f;  in ixheaacd_randomsign()