/*
* Loads a graph from a file.
*/
Errc Graph2d::LoadData( FILE *df ) {
register int i;
Long suiv;
Long item;
Graph2d::ValueType val;
Graph2d::ValueType wgh;
Point2d p;
for (i=0;i<size;i++) {
if (Fdecode(&suiv,sizeof(suiv),1,df) < 1)
return FAILURE;
if (suiv >= 0) {
if (Fdecode(&val,sizeof(val),1,df)<1)
return FAILURE;
if (p.Load(df,_inversionMode) == FAILURE)
return FAILURE;
if (!Add(i,suiv,p)) return FAILURE;
tnode[i]->value=val;
if (Fdecode(&suiv,sizeof(suiv),1,df)<1) {
return FAILURE;
}
while (suiv>-1){
if (Fdecode(&wgh,sizeof(wgh),1,df)<1) {
return FAILURE;
}
if (Fdecode(&item,sizeof(item),1,df)<1)
return FAILURE;
if (i>=suiv || _directed) // Link only with former nodes for directed graphs.
Link(i,suiv,item,wgh);
if (Fdecode(&suiv,sizeof(suiv),1,df)<1)
return FAILURE;
}
} else tnode[i]=NULL;
}
return SUCCESS;
}
