376 LC3_HOT static void normalize(const int *c, float *cn)  in normalize()  argument
380         c2_sum += c[i] * c[i];  in normalize()
385         cn[i] = c[i] * c_norm;  in normalize()
424     int (*c)[16], float (*cn)[16], int *shape_idx, int *gain_idx)  in quantize()
456         c[3][i] = floorf(xm[i] * proj_factor);  in quantize()
457         npulses += c[3][i];  in quantize()
458         corr    += c[3][i] * xm[i];  in quantize()
459         energy  += c[3][i] * c[3][i];  in quantize()
462     add_pulse(xm, c[3], 16, npulses, 6, &corr, &energy);  in quantize()
468     memcpy(c[2], c[3], sizeof(c[2]));  in quantize()
470     add_pulse(xm, c[2], 16, npulses, 8, &corr, &energy);  in quantize()
478     memcpy(c[1], c[2], sizeof(c[1]));  in quantize()
481         c[1][i] = 0;  in quantize()
482         npulses -= c[2][i];  in quantize()
483         corr    -= c[2][i] * xm[i];  in quantize()
484         energy  -= c[2][i] * c[2][i];  in quantize()
487     add_pulse(xm, c[1], 10, npulses, 10, &corr, &energy);  in quantize()
493     memcpy(c[0], c[1], sizeof(c[0]));  in quantize()
495     add_pulse(xm + 10, c[0] + 10, 6, 0, 1, &corr, &energy);  in quantize()
501             c[i][j] = x[j] < 0 ? -c[i][j] : c[i][j];  in quantize()
504         normalize(c[i], cn[i]);  in quantize()
545     const float *c, int shape, int gain, float *scf)  in unquantize()  argument
551     dct16_inverse(c, scf);  in unquantize()
565 static void enum_mvpq(const int *c, int n, int *idx, bool *ls)  in enum_mvpq()  argument
571     for (i = 0, c += n; (ci = *(--c)) == 0 ; i++);  in enum_mvpq()
580         if ((ci = *(--c)) != 0) {  in enum_mvpq()
595 static void deenum_mvpq(int idx, bool ls, int npulses, int *c, int n)  in deenum_mvpq()  argument
608         *(c++) = ls ? -ci : ci;  in deenum_mvpq()
621         *(c++) = ls ? -ci : ci;  in deenum_mvpq()
624         *(c++) = 0;  in deenum_mvpq()
634 static void enumerate(int shape, const int *c,  in enumerate()  argument
637     enum_mvpq(c, shape < 2 ? 10 : 16, idx_a, ls_a);  in enumerate()
640         enum_mvpq(c + 10, 6, idx_b, ls_b);  in enumerate()
651     int idx_a, bool ls_a, int idx_b, bool ls_b, int *c)  in deenumerate()  argument
655     deenum_mvpq(idx_a, ls_a, npulses_a, c, shape < 2 ? 10 : 16);  in deenumerate()
658         deenum_mvpq(idx_b, ls_b, 1, c + 10, 6);  in deenumerate()
660         memset(c + 10, 0, 6 * sizeof(*c));  in deenumerate()
738     int c[4][16];  in lc3_sns_analyze()  local
745         c, cn, &data->shape, &data->gain);  in lc3_sns_analyze()
750     enumerate(data->shape, c[data->shape],  in lc3_sns_analyze()
763     int c[16];  in lc3_sns_synthesize()  local
766         data->idx_a, data->ls_a, data->idx_b, data->ls_b, c);  in lc3_sns_synthesize()
768     normalize(c, cn);  in lc3_sns_synthesize()