fix #242

atoptima · Jan 27, 2020 · cd16ea5 · cd16ea5
1 parent 15484a4
commit cd16ea5
Showing 1 changed file with 6 additions and 1 deletion.
diff --git a/src/Algorithm/branching/branchinggroup.jl b/src/Algorithm/branching/branchinggroup.jl
@@ -144,7 +144,12 @@ function compute_tree_depth_score!(group::BranchingGroup, parent_inc::Incumbents
     elseif length(deltas) == 1
         score = - parent_delta / deltas[1] 
     else
-        score = - log(number_of_leaves(parent_delta, deltas)) / log(length(deltas))
+        numleaves = number_of_leaves(parent_delta, deltas)
+        if numleaves < 0
+            score = - Inf
+        else
+            score = - log(numleaves) / log(length(deltas))
+        end
     end
 
     group.score = score