Lines Matching defs:sum
183 uint64_t sum[4];
186 /* calculate sum of 2nd order residual for each channel */
187 sum[0] = sum[1] = sum[2] = sum[3] = 0;
191 sum[2] += FFABS((lt + rt) >> 1);
192 sum[3] += FFABS(lt - rt);
193 sum[0] += FFABS(lt);
194 sum[1] += FFABS(rt);
198 score[0] = sum[0] + sum[1];
199 score[1] = sum[0] + sum[3];
200 score[2] = sum[1] + sum[3];
201 score[3] = sum[2] + sum[3];
281 int sum = 1 << (lpc.lpc_quant - 1), res_val, j;
284 sum += (samples[lpc.lpc_order-j] - samples[0]) *
288 sum >>= lpc.lpc_quant;
289 sum += samples[0];
290 residual[i] = sign_extend(samples[lpc.lpc_order+1] - sum,