/* Execute union commands for "same rank" subgraphs and clusters. */
static void
collapse_sets(graph_t *rg, graph_t *g)
{
int c;
graph_t *subg;
#ifdef OBSOLETE
node_t *n;
#endif
for (subg = agfstsubg(g); subg; subg = agnxtsubg(subg)) {
c = rank_set_class(subg);
if (c) {
if ((c == CLUSTER) && CL_type == LOCAL)
collapse_cluster(rg, subg);
else
collapse_rankset(rg, subg, c);
}
else collapse_sets(rg, subg);
#ifdef OBSOLETE
Collapsing leaves is currently obsolete
/* mark nodes with ordered edges so their leaves are not collapsed */
if (agget(subg, "ordering"))
for (n = agfstnode(subg); n; n = agnxtnode(subg, n))
ND_order(n) = 1;
#endif
}
}
static void
find_clusters(graph_t * g)
{
graph_t *subg;
for (subg = agfstsubg(dot_root(g)); subg; subg = agnxtsubg(subg)) {
if (GD_set_type(subg) == CLUSTER)
collapse_cluster(g, subg);
}
}
int rank_set_class(graph_t* g)
{
static char *name[] = {"same","min","source","max","sink",NULL};
static int class[] = {SAMERANK,MINRANK,SOURCERANK,MAXRANK,SINKRANK,0};
int val;
if (is_cluster(g)) return CLUSTER;
val = maptoken(agget(g,"rank"),name,class);
GD_set_type(g) = val;
return val;
}
/* Execute union commands for "same rank" subgraphs and clusters. */
void collapse_sets(graph_t* g)
{
int c;
graph_t *mg,*subg;
node_t *mn,*n;
edge_t *me;
mg = g->meta_node->graph;
for (me = agfstout(mg,g->meta_node); me; me = agnxtout(mg,me)) {
mn = me->head;
subg = agusergraph(mn);
c = rank_set_class(subg);
if (c) {
if ((c == CLUSTER) && CL_type == LOCAL) collapse_cluster(g,subg);
else collapse_rankset(g,subg,c);
}
/* mark nodes with ordered edges so their leaves are not collapsed */
if (agget(subg,"ordering"))
for (n = agfstnode(subg); n; n = agnxtnode(subg,n)) ND_order(n) = 1;
}
}
/* Execute union commands for "same rank" subgraphs and clusters. */
static void
collapse_sets(graph_t *rg, graph_t *g)
{
int c;
graph_t *subg;
#ifdef OBSOLETE
node_t *n;
#endif
#ifndef WITH_CGRAPH
graph_t *mg;
node_t *mn;
edge_t *me;
mg = g->meta_node->graph;
for (me = agfstout(mg, g->meta_node); me; me = agnxtout(mg, me)) {
mn = aghead(me);
subg = agusergraph(mn);
#else /* WITH_CGRAPH */
for (subg = agfstsubg(g); subg; subg = agnxtsubg(subg)) {
#endif /* WITH_CGRAPH */
c = rank_set_class(subg);
if (c) {
if ((c == CLUSTER) && CL_type == LOCAL)
collapse_cluster(rg, subg);
else
collapse_rankset(rg, subg, c);
}
else collapse_sets(rg, subg);
#ifdef OBSOLETE
Collapsing leaves is currently obsolete
/* mark nodes with ordered edges so their leaves are not collapsed */
if (agget(subg, "ordering"))
for (n = agfstnode(subg); n; n = agnxtnode(subg, n))
ND_order(n) = 1;
#endif
}
}
static void
find_clusters(graph_t * g)
{
graph_t *subg;
#ifndef WITH_CGRAPH
graph_t *mg;
node_t *mn;
edge_t *me;
mg = g->meta_node->graph;
for (me = agfstout(mg, g->meta_node); me; me = agnxtout(mg, me)) {
mn = me->head;
subg = agusergraph(mn);
#else /* WITH_CGRAPH */
for (subg = agfstsubg(agroot(g)); subg; subg = agnxtsubg(subg)) {
#endif /* WITH_CGRAPH */
if (GD_set_type(subg) == CLUSTER)
collapse_cluster(g, subg);
}
}
static void
set_minmax(graph_t * g)
{
int c;
GD_minrank(g) += ND_rank(GD_leader(g));
GD_maxrank(g) += ND_rank(GD_leader(g));
for (c = 1; c <= GD_n_cluster(g); c++)
set_minmax(GD_clust(g)[c]);
}
