Lines Matching defs:sum
189 uint64_t sum[4];
192 /* calculate sum of 2nd order residual for each channel */
193 sum[0] = sum[1] = sum[2] = sum[3] = 0;
197 sum[2] += FFABS((lt + rt) >> 1);
198 sum[3] += FFABS(lt - rt);
199 sum[0] += FFABS(lt);
200 sum[1] += FFABS(rt);
204 score[0] = sum[0] + sum[1];
205 score[1] = sum[0] + sum[3];
206 score[2] = sum[1] + sum[3];
207 score[3] = sum[2] + sum[3];
287 int sum = 1 << (lpc.lpc_quant - 1), res_val, j;
290 sum += (samples[lpc.lpc_order-j] - samples[0]) *
294 sum >>= lpc.lpc_quant;
295 sum += samples[0];
296 residual[i] = sign_extend(samples[lpc.lpc_order+1] - sum,