compare()
compare(\seekquarry\yioop\library\indexing_plugins\Edge $edge1, \seekquarry\yioop\library\indexing_plugins\Edge $edge2) : integer
Compares edge costs and returns -1, 0, 1 so that the edge with minimum cost/weight is at the top of heap
Parameters
| \seekquarry\yioop\library\indexing_plugins\Edge | $edge1 | first Edge to compare |
| \seekquarry\yioop\library\indexing_plugins\Edge | $edge2 | second Edge to compare |
Returns
integer —-1,-0,1 as described above