Lines Matching defs:sum
145 uint64_t sum[4];
148 /* calculate sum of 2nd order residual for each channel */
149 sum[0] = sum[1] = sum[2] = sum[3] = 0;
153 sum[2] += FFABS((lt + rt) >> 1);
154 sum[3] += FFABS(lt - rt);
155 sum[0] += FFABS(lt);
156 sum[1] += FFABS(rt);
160 score[0] = sum[0] + sum[1];
161 score[1] = sum[0] + sum[3];
162 score[2] = sum[1] + sum[3];
163 score[3] = sum[2] + sum[3];
247 int sum = 1 << (lpc.lpc_quant - 1), res_val, j;
250 sum += (samples[lpc.lpc_order-j] - samples[0]) *
254 sum >>= lpc.lpc_quant;
255 sum += samples[0];
256 residual[i] = (samples[lpc.lpc_order+1] - sum) << (32 - s->write_sample_size) >>