-
- pointers_pair_t new_pair = xbt_new0(s_pointers_pair_t, 1);
- new_pair->p1 = p1;
- new_pair->p2 = p2;
-
- if (xbt_dynar_is_empty(compared_pointers)) {
- xbt_dynar_push(compared_pointers, &new_pair);
- return 1;
- }
-
- unsigned int cursor = 0;
- int start = 0;
- int end = xbt_dynar_length(compared_pointers) - 1;
- pointers_pair_t pair = NULL;
-
- pointers_pair_t *p =
- (pointers_pair_t *) xbt_dynar_get_ptr(compared_pointers, 0);
-
- while (start <= end) {
- cursor = (start + end) / 2;
- pair = p[cursor];
- if (pair->p1 < p1) {
- start = cursor + 1;
- } else if (pair->p1 > p1) {
- end = cursor - 1;
- } else if (pair->p2 < p2) {
- start = cursor + 1;
- } else if (pair->p2 > p2) {
- end = cursor - 1;
- } else {
- pointers_pair_free(new_pair);
- return 0;
- }
- }
-
- if (pair->p1 < p1)
- xbt_dynar_insert_at(compared_pointers, cursor + 1, &new_pair);
- else if (pair->p1 > p1)
- xbt_dynar_insert_at(compared_pointers, cursor, &new_pair);
- else if (pair->p2 < p2)
- xbt_dynar_insert_at(compared_pointers, cursor + 1, &new_pair);
- else if (pair->p2 > p2)
- xbt_dynar_insert_at(compared_pointers, cursor, &new_pair);
- else
- xbt_die("Unrecheable");
-
- return 1;