82       spx_word32_t dist=0;  in vq_nbest()  local
84          dist = MAC16_16(dist,in[j],*codebook++);  in vq_nbest()
86       dist=SUB32(SHR32(E[i],1),dist);  in vq_nbest()
88       dist=.5f*E[i]-dist;  in vq_nbest()
90       if (i<N || dist<best_dist[N-1])  in vq_nbest()
92          for (k=N-1; (k >= 1) && (k > used || dist < best_dist[k-1]); k--)  in vq_nbest()
97          best_dist[k]=dist;  in vq_nbest()
116       spx_word32_t dist=0;  in vq_nbest_sign()  local
118          dist = MAC16_16(dist,in[j],*codebook++);  in vq_nbest_sign()
119       if (dist>0)  in vq_nbest_sign()
122          dist=-dist;  in vq_nbest_sign()
128       dist = ADD32(dist,SHR32(E[i],1));  in vq_nbest_sign()
130       dist = ADD32(dist,.5f*E[i]);  in vq_nbest_sign()
132       if (i<N || dist<best_dist[N-1])  in vq_nbest_sign()
134          for (k=N-1; (k >= 1) && (k > used || dist < best_dist[k-1]); k--)  in vq_nbest_sign()
139          best_dist[k]=dist;  in vq_nbest_sign()