+static void eliminate_var_using_equality(struct isl_basic_map *bmap,
+ unsigned pos, isl_int *eq, int *progress)
+{
+ unsigned total;
+ int k;
+
+ total = bmap->nparam + bmap->n_in + bmap->n_out + bmap->n_div;
+ for (k = 0; k < bmap->n_eq; ++k) {
+ if (bmap->eq[k] == eq)
+ continue;
+ if (isl_int_is_zero(bmap->eq[k][1+pos]))
+ continue;
+ if (progress)
+ *progress = 1;
+ isl_seq_elim(bmap->eq[k], eq, 1+pos, 1+total, NULL);
+ }
+
+ for (k = 0; k < bmap->n_ineq; ++k) {
+ if (isl_int_is_zero(bmap->ineq[k][1+pos]))
+ continue;
+ if (progress)
+ *progress = 1;
+ isl_seq_elim(bmap->ineq[k], eq, 1+pos, 1+total, NULL);
+ }
+
+ for (k = 0; k < bmap->n_div; ++k) {
+ if (isl_int_is_zero(bmap->div[k][0]))
+ continue;
+ if (isl_int_is_zero(bmap->div[k][1+1+pos]))
+ continue;
+ if (progress)
+ *progress = 1;
+ isl_seq_elim(bmap->div[k]+1, eq,
+ 1+pos, 1+total, &bmap->div[k][0]);
+ }
+}
+
+