TINDEX
cds->cds_forward[TINDEX(iid)] = oid;
cds->cds_reverse[TINDEX(oid)] = iid;
cds->cds_forward[TINDEX(iid)] = oid;
cds->cds_reverse[TINDEX(oid)] = iid;
if (cds->cds_forward[TINDEX(iid)] == oid)
if (cds->cds_forward[TINDEX(iid)] != 0)
if (cds->cds_reverse[TINDEX(oid)] == iid)
cds->cds_reverse[TINDEX(oid)] != 0)
cds->cds_forward[TINDEX(cdg->cdg_iid)] =
cds->cds_reverse[TINDEX(cdg->cdg_oid)] =
cds->cds_forward[TINDEX(i)] = j;
if (cds->cds_reverse[TINDEX(j)] == 0)
cds->cds_reverse[TINDEX(j)] = i;
cds->cds_forward[TINDEX(i)] = CTF_ERR;
if (cds->cds_reverse[TINDEX(i)] != 0)
if (cds->cds_forward[TINDEX(iid)] != oid)