100 	isl_size nvar;  in isl_factorizer_groups()  local
109 	nvar = isl_basic_set_dim(bset, isl_dim_set);  in isl_factorizer_groups()
110 	if (nvar < 0 || !Q || !U)  in isl_factorizer_groups()
120 	space = isl_space_drop_dims(space, isl_dim_set, 0, nvar);  in isl_factorizer_groups()
121 	space = isl_space_add_dims(space, isl_dim_set, nvar);  in isl_factorizer_groups()
274 	isl_size nvar;  in isl_basic_set_factorizer()  local
278 	nvar = isl_basic_set_dim(bset, isl_dim_set);  in isl_basic_set_factorizer()
279 	if (nvar < 0 || isl_basic_set_check_no_locals(bset) < 0)  in isl_basic_set_factorizer()
282 	if (nvar <= 1)  in isl_basic_set_factorizer()
285 	H = isl_mat_alloc(bset->ctx, bset->n_eq + bset->n_ineq, nvar);  in isl_basic_set_factorizer()
289 		0, 1 + isl_space_offset(bset->dim, isl_dim_set), nvar);  in isl_basic_set_factorizer()
291 		0, 1 + isl_space_offset(bset->dim, isl_dim_set), nvar);  in isl_basic_set_factorizer()
299 	if (g.cnt[0] == nvar) {  in isl_basic_set_factorizer()
310 	while (done != nvar) {  in isl_basic_set_factorizer()
315 			for (j = done + g.cnt[group]; j < nvar; ++j)  in isl_basic_set_factorizer()
318 			if (j == nvar)  in isl_basic_set_factorizer()
353 	isl_size nparam, nvar;  in isl_factorizer_every_factor_basic_set()  local
359 	nvar = isl_basic_set_dim(f->bset, isl_dim_set);  in isl_factorizer_every_factor_basic_set()
360 	if (nparam < 0 || nvar < 0)  in isl_factorizer_every_factor_basic_set()
371 			    nparam + n + f->len[i], nvar - n - f->len[i]);  in isl_factorizer_every_factor_basic_set()
375 			    n + f->len[i], nvar - n - f->len[i]);  in isl_factorizer_every_factor_basic_set()