168         int d_out, opq_M, nbit, M, M2, pq_m, ncent, r2, R;  in index_factory()  local
170         nbit = 8;  in index_factory()
238         } else if (!coarse_quantizer && sscanf(tok, "IMI2x%d", &nbit) == 1) {  in index_factory()
242             coarse_quantizer_1 = new MultiIndexQuantizer(d, 2, nbit);  in index_factory()
243             ncentroids = 1 << (2 * nbit);  in index_factory()
247                 sscanf(tok, "Residual%dx%d", &M, &nbit) == 2) {  in index_factory()
251             coarse_quantizer_1 = new MultiIndexQuantizer(d, M, nbit);  in index_factory()
252             ncentroids = int64_t(1) << (M * nbit);  in index_factory()
265                 int nbit = std::stoi(sm[2].str());  in index_factory()  local
266                 nbits.resize(nbits.size() + M, nbit);  in index_factory()
373                 (sscanf(tok, "PQ%dx%d", &M, &nbit) == 2 ||  in index_factory()
380                             coarse_quantizer, d, ncentroids, M, nbit);  in index_factory()
391                             coarse_quantizer, ncentroids, M, nbit);  in index_factory()
403                 IndexPQ* index_pq = new IndexPQ(d, M, nbit, metric);  in index_factory()
418                 sscanf(tok, "HNSW%d_2x%d+PQ%d", &M, &nbit, &pq_m) == 3) {  in index_factory()
419             Index* quant = new MultiIndexQuantizer(d, 2, nbit);  in index_factory()
421                     new IndexHNSW2Level(quant, 1 << (2 * nbit), pq_m, M);  in index_factory()
446                 sscanf(tok, "ZnLattice%dx%d_%d", &M, &r2, &nbit) == 3) {  in index_factory()
448             index_1 = new IndexLattice(d, M, nbit, r2);  in index_factory()